/* AmareViability - Main Stylesheet (Light Glassmorphism) */

/* ========================================
   CSS VARIABLES
   ======================================== */
:root {
    --primary: #0B0D11;
    --primary-light: #A67C00;
    --primary-lighter: #f7b500;
    --accent: #f7b500;
    --accent-light: #FFD45E;
    --danger: #f43f5e;
    --danger-light: #fb7185;
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --info: #3b82f6;
    --purple: #a78bfa;

    --bg: #f0f4f8;
    --bg-secondary: #e2e8f0;
    --bg-white: #ffffff;
    --bg-dark: #0B0D11;
    --bg-sidebar: #0B0D11;
    --bg-sidebar-hover: rgba(255, 255, 255, 0.08);
    --bg-sidebar-active: rgba(247, 181, 0, 0.15);

    --text: #1e293b;
    --text-light: #475569;
    --text-muted: #94a3b8;
    --text-white: #ffffff;
    --text-sidebar: rgba(255, 255, 255, 0.6);
    --text-sidebar-hover: rgba(255, 255, 255, 0.95);

    --border: #e2e8f0;
    --border-light: #f1f5f9;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-glow-accent: 0 0 20px rgba(247, 181, 0, 0.2);
    --shadow-glow-primary: 0 0 20px rgba(59, 130, 246, 0.2);
    --shadow-glow-danger: 0 0 20px rgba(244, 63, 94, 0.2);
    --shadow-sidebar: 4px 0 32px rgba(0, 0, 0, 0.15);

    --glass-blur: blur(12px);
    --glass-blur-strong: blur(20px);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-strong: rgba(255, 255, 255, 0.85);
    --glass-border: 1px solid rgba(0, 0, 0, 0.06);

    --sidebar-width: 272px;
    --sidebar-collapsed: 76px;
    --header-height: 64px;
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 14px;

    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-sidebar: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   RESET & BASE
   ======================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    background-attachment: fixed;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a { color: var(--primary-light); text-decoration: none; }
a:hover { color: var(--primary-lighter); }

img { max-width: 100%; height: auto; }

/* Scrollbar global */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ========================================
   LOADING SCREEN
   ======================================== */
.loading-screen {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--bg-white);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    color: var(--text); z-index: 9999;
}
.loading-screen p {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.5px;
}
.loading-spinner {
    width: 40px; height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin-bottom: 20px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ========================================
   LAYOUT - SIDEBAR + HEADER + MAIN
   ======================================== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR — kept dark for contrast */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-white);
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: var(--transition-sidebar);
    overflow-x: hidden;
    box-shadow: var(--shadow-sidebar);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar.collapsed { width: var(--sidebar-collapsed); }

/* Brand / Logo area */
.sidebar-brand {
    height: var(--header-height);
    display: flex; align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-size: 1.15rem; font-weight: 700;
    white-space: nowrap;
    gap: 12px;
    letter-spacing: -0.3px;
}
.sidebar.collapsed .sidebar-brand { justify-content: center; padding: 0 10px; }
/* Logo completa (SIDE + VIABILITY) quando expandida */
.sidebar-brand .brand-logo-full {
    height: 38px;
    width: auto;
    max-width: 168px;
    display: block;
    transition: var(--transition);
}
.sidebar-brand:hover .brand-logo-full { transform: scale(1.02); }
/* Favicon (marca compacta) quando minimizada */
.sidebar-brand .brand-logo-mark {
    width: 40px; height: 40px;
    border-radius: 11px;
    display: none;
    flex-shrink: 0;
    cursor: pointer;
    transition: var(--transition);
}
.sidebar-brand .brand-logo-mark:hover { transform: scale(1.06); box-shadow: 0 3px 12px rgba(247,181,0,0.35); }
.sidebar.collapsed .brand-logo-full { display: none; }
.sidebar.collapsed .brand-logo-mark { display: block; }

/* Collapse toggle inside sidebar */
.sidebar-collapse-btn {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    cursor: pointer;
    color: rgba(255,255,255,0.4);
    width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 8px;
    font-size: 0.75rem;
    transition: var(--transition);
    margin-left: auto;
    flex-shrink: 0;
}
.sidebar-collapse-btn:hover { background: rgba(255,255,255,0.12); color: white; border-color: rgba(255,255,255,0.15); }
.sidebar.collapsed .sidebar-collapse-btn { display: none; }

/* Navigation container */
.sidebar-nav {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

/* Nav sections */
.nav-section {
    padding: 20px 20px 8px;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.3);
    white-space: nowrap;
    font-weight: 600;
}
.nav-section:first-child { padding-top: 4px; }
.sidebar.collapsed .nav-section {
    text-align: center;
    padding: 12px 8px 6px;
    font-size: 0;
    height: 0;
    overflow: hidden;
    margin: 4px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

/* Nav items */
.nav-item {
    display: flex; align-items: center; gap: 14px;
    padding: 0;
    margin: 2px 12px;
    height: 42px;
    padding-left: 16px;
    color: var(--text-sidebar);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    border-radius: 10px;
    position: relative;
    font-size: 0.88rem;
    font-weight: 450;
    text-decoration: none;
}
.nav-item:hover {
    background: rgba(255,255,255,0.045);
    color: rgba(255,255,255,0.95);
}
.nav-item.active {
    background: linear-gradient(90deg, rgba(247,181,0,0.15) 0%, rgba(247,181,0,0.035) 58%, transparent 100%);
    color: #fff;
    font-weight: 600;
}
.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 7px; bottom: 7px;
    width: 3px;
    background: var(--accent);
    border-radius: 0 3px 3px 0;
    box-shadow: 0 0 10px rgba(247,181,0,0.6);
}
.nav-item .nav-icon {
    width: 20px; height: 20px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    opacity: 0.7;
    transition: var(--transition);
}
.nav-item .nav-icon svg { width: 20px; height: 20px; }
.nav-item:hover .nav-icon { opacity: 1; color: rgba(247,181,0,0.85); }
.nav-item.active .nav-icon { opacity: 1; color: #f7b500; }
.nav-item .nav-label {
    opacity: 1;
    transition: opacity 0.2s ease;
}

/* Collapsed state */
.sidebar.collapsed .nav-item {
    padding: 0;
    justify-content: center;
    margin: 2px 10px;
    height: 42px;
}
.sidebar.collapsed .nav-item.active::before { display: none; }
.sidebar.collapsed .nav-item.active {
    background: var(--bg-sidebar-active);
    border-radius: 10px;
}
.sidebar.collapsed .nav-label { opacity: 0; width: 0; overflow: hidden; position: absolute; }

/* Tooltip on hover when collapsed */
.sidebar.collapsed .nav-item::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(var(--sidebar-collapsed) - 6px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-dark);
    color: white;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
    z-index: 200;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
    transform: translateY(-50%) translateX(-4px);
}
.sidebar.collapsed .nav-item:hover::after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* Sidebar footer */
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    gap: 12px;
}
.sidebar-footer .sidebar-user-avatar {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, #f7b500, #C8961E);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; font-weight: 700;
    color: #0B0D11;
    flex-shrink: 0;
    letter-spacing: 0.3px;
}
.sidebar-footer .sidebar-user-info {
    flex: 1;
    overflow: hidden;
    line-height: 1.3;
    transition: opacity 0.2s ease;
}
.sidebar-footer .sidebar-user-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar-footer .sidebar-user-role {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.35);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar-footer .sidebar-logout-btn {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.4);
    width: 32px; height: 32px;
    border-radius: 8px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}
.sidebar-footer .sidebar-logout-btn:hover {
    background: rgba(244,63,94,0.15);
    color: var(--danger-light);
    border-color: rgba(244,63,94,0.25);
}
.sidebar-footer .sidebar-logout-btn svg { width: 16px; height: 16px; }
.sidebar.collapsed .sidebar-footer { padding: 12px 10px; justify-content: center; }
.sidebar.collapsed .sidebar-footer .sidebar-user-info { opacity: 0; width: 0; overflow: hidden; position: absolute; }
.sidebar.collapsed .sidebar-footer .sidebar-logout-btn { display: none; }

/* Version badge */
.sidebar-version {
    padding: 0 20px 12px;
    font-size: 0.65rem;
    color: rgba(255,255,255,0.15);
    letter-spacing: 0.5px;
}
.sidebar.collapsed .sidebar-version { display: none; }

/* Sidebar mobile backdrop */
.sidebar-backdrop {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 99;
    animation: fadeIn 0.2s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* MAIN CONTENT */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: var(--transition-sidebar);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.sidebar.collapsed ~ .main-wrapper { margin-left: var(--sidebar-collapsed); }

/* HEADER — light glass */
.header {
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center;
    padding: 0 28px;
    position: sticky; top: 0;
    z-index: 50;
    justify-content: space-between;
}

.header-left { display: flex; align-items: center; gap: 16px; }

.btn-toggle-sidebar {
    background: transparent; border: 1px solid var(--border); cursor: pointer;
    color: var(--text-light);
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 10px;
    transition: var(--transition);
    flex-shrink: 0;
}
.btn-toggle-sidebar:hover { background: rgba(0,0,0,0.04); color: var(--text); border-color: var(--primary-lighter); }

.breadcrumbs {
    display: flex; align-items: center; gap: 6px;
    color: var(--text-light); font-size: 0.88rem;
}
.breadcrumbs a { color: var(--text-muted); font-weight: 450; transition: color 0.15s; }
.breadcrumbs a:last-child { color: var(--text); font-weight: 600; }
.breadcrumbs a:hover { color: var(--primary-lighter); }
.breadcrumbs span { color: var(--text-muted); font-size: 0.75rem; }

.header-right { display: flex; align-items: center; gap: 12px; }

.user-menu {
    display: flex; align-items: center; gap: 10px;
    cursor: pointer; padding: 6px 10px;
    border-radius: 10px; transition: var(--transition);
    position: relative;
}
.user-menu:hover { background: rgba(0,0,0,0.04); }
.user-avatar {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-lighter));
    color: white;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem; font-weight: 700;
    letter-spacing: 0.3px;
}
.user-info { line-height: 1.3; }
.user-info .name { font-weight: 600; font-size: 0.85rem; color: var(--text); }
.user-info .role { font-size: 0.72rem; color: var(--text-muted); }

.user-dropdown {
    position: absolute; top: calc(100% + 4px); right: 0;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    min-width: 210px;
    z-index: 200;
    display: none;
    padding: 6px;
}
.user-dropdown.show { display: block; animation: dropdownIn 0.15s ease; }
@keyframes dropdownIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}
.user-dropdown-item {
    padding: 10px 14px; cursor: pointer;
    display: flex; align-items: center; gap: 10px;
    color: var(--text); font-size: 0.85rem;
    border-radius: 8px;
    transition: background 0.15s;
}
.user-dropdown-item:hover { background: var(--bg); }
.user-dropdown-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* SVG ICONS IN UI ELEMENTS */
.card-header h3 svg { vertical-align: -3px; margin-right: 8px; opacity: 0.55; }
.card-header h2 svg { vertical-align: -3px; margin-right: 8px; opacity: 0.55; }
.kpi-label svg { vertical-align: -2px; margin-right: 4px; opacity: 0.45; }
.btn svg { flex-shrink: 0; }

/* BUTTON LOADING STATE */
.btn-loading { opacity: 0.7; cursor: not-allowed; pointer-events: none; }
.btn-spinner {
    display: inline-block;
    width: 14px; height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: -2px;
    margin-right: 4px;
}

/* FORM VALIDATION STATES */
input.error, select.error, textarea.error {
    border-color: var(--danger) !important;
    box-shadow: 0 0 0 2px rgba(244, 63, 94, 0.15);
}
input.success, select.success {
    border-color: var(--accent) !important;
}
input::placeholder, textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
    font-style: italic;
}

/* ========================================
   VIABILITY UPLOAD
   ======================================== */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: rgba(0, 0, 0, 0.01);
    position: relative;
}
.upload-area:hover {
    border-color: var(--primary-lighter);
    background: rgba(59, 130, 246, 0.04);
}
.upload-area.dragover {
    border-color: var(--accent);
    background: rgba(247, 181, 0, 0.06);
    box-shadow: 0 0 0 3px rgba(247, 181, 0, 0.1);
}
.upload-area svg {
    margin-bottom: 8px;
    opacity: 0.4;
}
.upload-area p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.88rem;
}
.upload-area .upload-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    opacity: 0.6;
    margin-top: 4px;
}

/* Upload progress */
.upload-progress {
    padding: 20px;
    text-align: center;
}
.upload-progress .progress-bar-container {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin: 12px 0;
}
.upload-progress .progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-light), var(--accent));
    border-radius: 3px;
    transition: width 0.3s ease;
    width: 0%;
}
.upload-progress .progress-label {
    font-size: 0.85rem;
    color: var(--text-light);
}
.upload-progress .progress-step {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* File link badge */
.viability-file-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-light);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}
.viability-file-link:hover {
    background: rgba(59, 130, 246, 0.18);
}

/* Extraction preview modal */
.extraction-preview {
    max-height: 65vh;
    overflow-y: auto;
}
.extraction-section {
    margin-bottom: 16px;
}
.extraction-section h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
}
.extraction-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.extraction-field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}
.extraction-field .ef-label {
    color: var(--text-muted);
    font-weight: 500;
}
.extraction-field .ef-value {
    color: var(--text);
    font-weight: 600;
}
.extraction-field .ef-value.null {
    color: var(--text-muted);
    opacity: 0.5;
    font-style: italic;
    font-weight: 400;
}
.extraction-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}
.extraction-table th {
    background: var(--bg);
    font-weight: 600;
    text-align: left;
    padding: 6px 8px;
    color: var(--text-muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.extraction-table td {
    padding: 6px 8px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text);
}
.extraction-obs {
    padding: 10px 12px;
    background: rgba(245, 158, 11, 0.06);
    border-left: 3px solid var(--warning);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.83rem;
    color: var(--text-light);
}

/* ========================================
   MAIN CONTENT AREA + PAGE HEADER
   ======================================== */
.main-content {
    flex: 1;
    padding: 28px;
    max-width: 1440px;
    width: 100%;
}

/* ========================================
   PAGE HEADER
   ======================================== */
.page-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 25px;
}
.page-header h1 { font-size: 1.6rem; font-weight: 700; color: var(--text); }
.page-header p { color: var(--text-light); margin-top: 3px; font-size: 0.9rem; }
.page-actions { display: flex; gap: 10px; }

/* ========================================
   CARDS
   ======================================== */
.card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
    animation: fadeInUp 0.4s ease-out;
}
.card:has(.chart-container),
.card:has(.d3-chart-container) {
    overflow: visible;
}
.card:hover { box-shadow: var(--shadow); }
.card-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    background: var(--bg);
}
.card-header h2, .card-header h3 { font-size: 1rem; font-weight: 600; color: var(--text); }
.card-body { padding: 20px; }
.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg);
}

/* KPI Cards */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 25px; }
.kpi-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.3s ease-out;
}
.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-lighter), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.kpi-card:hover { box-shadow: var(--shadow-md), var(--shadow-glow-primary); transform: translateY(-2px); }
.kpi-card:hover::before { opacity: 1; }
.kpi-card.success { border-left-color: var(--accent); }
.kpi-card.success:hover { box-shadow: var(--shadow-md), var(--shadow-glow-accent); }
.kpi-card.success::before { background: linear-gradient(90deg, transparent, var(--accent), transparent); }
.kpi-card.danger { border-left-color: var(--danger); }
.kpi-card.danger:hover { box-shadow: var(--shadow-md), var(--shadow-glow-danger); }
.kpi-card.danger::before { background: linear-gradient(90deg, transparent, var(--danger), transparent); }
.kpi-card.warning { border-left-color: var(--warning); }
.kpi-card.warning:hover { box-shadow: var(--shadow-md), 0 0 20px rgba(245, 158, 11, 0.15); }
.kpi-card.warning::before { background: linear-gradient(90deg, transparent, var(--warning), transparent); }
.kpi-card.info { border-left-color: var(--info); }
.kpi-card.info:hover { box-shadow: var(--shadow-md), var(--shadow-glow-primary); }
.kpi-card.info::before { background: linear-gradient(90deg, transparent, var(--info), transparent); }

.kpi-label { font-size: 0.75rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-value { font-size: 1.5rem; font-weight: 700; color: var(--text); margin: 8px 0 4px; }
.kpi-sub { font-size: 0.8rem; color: var(--text-muted); }

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 0.85rem; font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary { background: #f7b500; border-color: #f7b500; color: #0B0D11; font-weight: 600; }
.btn-primary:hover:not(:disabled) { background: #C8961E; border-color: #C8961E; color: #0B0D11; box-shadow: var(--shadow-glow-primary); }

.btn-accent { background: #0B0D11; border-color: #0B0D11; color: #ffffff; }
.btn-accent:hover:not(:disabled) { background: #1a1d24; border-color: #1a1d24; color: #f7b500; box-shadow: var(--shadow-glow-accent); }

.btn-danger { background: var(--danger); border-color: var(--danger); color: #ffffff; }
.btn-danger:hover:not(:disabled) { background: #e11d48; border-color: #e11d48; color: #ffffff; box-shadow: var(--shadow-glow-danger); }

.btn-warning { background: var(--warning); border-color: var(--warning); color: #ffffff; }
.btn-warning:hover:not(:disabled) { background: #d97706; border-color: #d97706; color: #ffffff; }

.btn-outline {
    background: transparent; color: var(--text-light);
    border-color: var(--border);
}
.btn-outline:hover:not(:disabled) { background: var(--bg); border-color: var(--primary-lighter); color: var(--text); }

.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--bg); color: var(--text); }

.btn-sm { padding: 5px 10px; font-size: 0.8rem; }
.btn-lg { padding: 12px 24px; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

.btn-group { display: flex; gap: 0; }
.btn-group .btn { border-radius: 0; }
.btn-group .btn:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.btn-group .btn:last-child { border-radius: 0 var(--radius) var(--radius) 0; }

/* ========================================
   FORMS
   ======================================== */
.form-group { margin-bottom: 16px; }

.form-label {
    display: block;
    font-size: 0.85rem; font-weight: 600;
    color: var(--text);
    margin-bottom: 5px;
}
.form-label .required { color: var(--danger); margin-left: 2px; }
.form-label .tooltip-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--text-muted); color: white;
    font-size: 0.6rem; margin-left: 5px;
    cursor: help; position: relative;
}
.form-label .tooltip-icon:hover::after {
    content: attr(data-tip);
    position: absolute; bottom: 120%; left: 50%; transform: translateX(-50%);
    background: var(--bg-dark); color: white;
    padding: 5px 10px; border-radius: var(--radius-sm);
    font-size: 0.75rem; white-space: nowrap; z-index: 100;
    font-weight: 400;
    border: 1px solid rgba(255,255,255,0.1);
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--text);
    background: #ffffff;
    transition: var(--transition);
    outline: none;
}
.form-control:focus { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(45, 109, 164, 0.15); }
.form-control.error { border-color: var(--danger); }
.form-control.success { border-color: var(--accent); }

textarea.form-control { resize: vertical; min-height: 80px; }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2394a3b8'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px;
    background-color: #ffffff;
}

.form-text { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 0.78rem; color: var(--danger); margin-top: 4px; }

.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }

.input-group {
    display: flex;
}
.input-group .form-control { border-radius: var(--radius) 0 0 var(--radius); }
.input-group-append {
    padding: 8px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-left: none;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex; align-items: center;
}

/* ========================================
   TABLES
   ======================================== */
.table-responsive { overflow-x: auto; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.data-table th {
    background: var(--bg);
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-light);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}
.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
    color: var(--text);
}
.data-table tr:nth-child(even) { background: #f8fafc; }
.data-table tr:hover { background: #eef2f7; }
.data-table .text-right { text-align: right; }
.data-table .text-center { text-align: center; }

/* ========================================
   TABS
   ======================================== */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border);
    margin-bottom: 20px;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;          /* Firefox */
    -ms-overflow-style: none;       /* IE/Edge */
}
.tabs::-webkit-scrollbar {
    display: none;                  /* Chrome/Safari */
}
.tab {
    padding: 10px 16px;
    cursor: pointer;
    color: var(--text-light);
    font-weight: 500;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
    white-space: nowrap;
    font-size: 0.85rem;
}
.tab:hover { color: var(--primary-light); }
.tab.active { color: var(--primary-light); border-bottom-color: var(--primary-light); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ========================================
   BADGES & TAGS
   ======================================== */
.badge {
    display: inline-flex; align-items: center;
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 0.7rem; font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.badge-success { background: rgba(247, 181, 0, 0.15); color: #C8961E; }
.badge-danger { background: rgba(244, 63, 94, 0.12); color: #e11d48; }
.badge-warning { background: rgba(245, 158, 11, 0.12); color: #b45309; }
.badge-info { background: rgba(59, 130, 246, 0.12); color: #2563eb; }
.badge-gray { background: rgba(148, 163, 184, 0.15); color: #64748b; }

/* Project type badges */
.type-residential { background: rgba(247, 181, 0, 0.12); color: #C8961E; }
.type-commercial { background: rgba(59, 130, 246, 0.12); color: #2563eb; }
.type-hotel { background: rgba(167, 139, 250, 0.12); color: #7c3aed; }
.type-mixed { background: rgba(245, 158, 11, 0.12); color: #b45309; }
.type-industrial { background: rgba(244, 63, 94, 0.12); color: #e11d48; }

/* ========================================
   MODAL
   ======================================== */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.modal-overlay.hidden { display: none; }

.modal-content {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
}
.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
}
.modal-header h2 { font-size: 1.1rem; color: var(--text); }
.modal-close {
    background: none; border: none; cursor: pointer;
    font-size: 1.5rem; color: var(--text-muted); line-height: 1;
    padding: 0 5px;
    transition: color 0.15s;
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px; }
.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--border);
    display: flex; justify-content: flex-end; gap: 10px;
}
.modal-lg { max-width: 900px; }

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */
.toast-container {
    position: fixed; top: 20px; right: 20px;
    z-index: 9000;
    display: flex; flex-direction: column; gap: 10px;
}
.toast {
    padding: 12px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    font-size: 0.85rem;
    display: flex; align-items: center; gap: 10px;
    animation: slideIn 0.3s ease;
    min-width: 280px;
    max-width: 400px;
    background: var(--bg-white);
    color: var(--text);
}
.toast-success { border-left: 4px solid #C8961E; }
.toast-success::before { content: ''; display: none; }
.toast-error { border-left: 4px solid #dc2626; }
.toast-warning { border-left: 4px solid #d97706; }
.toast-info { border-left: 4px solid #2563eb; }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ========================================
   AUTH PAGES (Login/Register)
   ======================================== */
.auth-container {
    min-height: 100vh;
    display: flex;
    background: var(--bg-white);
}
.auth-side {
    flex: 1;
    display: flex; flex-direction: column;
    justify-content: center; align-items: center;
    color: white; padding: 40px;
    background: linear-gradient(135deg, #0B0D11 0%, #1a1d24 100%);
}
.auth-side h1 { font-size: 2.5rem; margin-bottom: 10px; color: #ffffff; }
.auth-logo { width: 300px; max-width: 78%; height: auto; margin-bottom: 4px; }
.auth-brand-sub { font-size: 1.25rem; letter-spacing: 0.42em; text-transform: uppercase; color: #f7b500; font-weight: 300; margin-bottom: 22px; padding-left: 0.42em; }
.auth-side p { font-size: 1.1rem; opacity: 0.85; max-width: 400px; text-align: center; color: rgba(255,255,255,0.85); }

.auth-form-container {
    width: 100%; max-width: 450px;
    background: var(--bg-white);
    border-left: 1px solid var(--border);
    padding: 40px;
    display: flex; flex-direction: column;
    justify-content: center;
}
.auth-form-container h2 { font-size: 1.5rem; color: var(--text); margin-bottom: 5px; }
.auth-form-container .subtitle { color: var(--text-light); margin-bottom: 30px; }

/* ========================================
   DASHBOARD
   ======================================== */
.chart-container {
    position: relative;
    min-height: 300px;
    width: 100%;
}
.chart-container canvas { max-height: 400px; }
.chart-container svg { height: 380px; width: 100%; }
.d3-chart-container {
    width: 100%;
    min-height: 300px;
}
.d3-chart-container svg {
    height: 380px;
    width: 100%;
}
.d3-legend {
    margin-top: 4px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ========================================
   PROJECT CARDS (List View)
   ======================================== */
.project-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }

.project-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 0.35s ease-out;
}
.project-card:hover { box-shadow: var(--shadow-md), var(--shadow-glow-primary); transform: translateY(-2px); border-color: rgba(74, 158, 218, 0.3); }

.project-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.project-card-header h3 { font-size: 1rem; color: var(--text); margin-bottom: 4px; }
.btn-card-action {
    display: flex; align-items: center; justify-content: center;
    width: 30px; height: 30px; border-radius: 6px;
    border: 1px solid var(--border); background: var(--bg-white);
    color: var(--text-light); cursor: pointer; transition: all 0.15s;
}
.btn-card-action:hover { background: var(--primary-light); color: #fff; border-color: var(--primary-light); }
.project-card-meta { font-size: 0.8rem; color: var(--text-light); display: flex; flex-direction: column; gap: 4px; }
.project-card-metrics {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 10px; padding-top: 12px;
    border-top: 1px solid var(--border-light);
    margin-top: 12px;
}
.project-card-metrics .metric { text-align: center; }
.project-card-metrics .metric-label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; }
.project-card-metrics .metric-value { font-size: 1rem; font-weight: 700; color: var(--text); }

/* ========================================
   SCENARIO COMPARISON
   ======================================== */
.scenario-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.scenario-card {
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
    background: var(--bg-white);
    transition: var(--transition);
}
.scenario-card.optimistic { border-color: var(--accent); }
.scenario-card.optimistic:hover { box-shadow: var(--shadow-glow-accent); }
.scenario-card.base { border-color: var(--primary-light); }
.scenario-card.base:hover { box-shadow: var(--shadow-glow-primary); }
.scenario-card.pessimistic { border-color: var(--danger); }
.scenario-card.pessimistic:hover { box-shadow: var(--shadow-glow-danger); }

.scenario-card h3 {
    font-size: 1rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text);
}
.scenario-metrics { display: flex; flex-direction: column; gap: 12px; }
.scenario-metric-row { display: flex; justify-content: space-between; align-items: center; }
.scenario-metric-row .label { font-size: 0.85rem; color: var(--text-light); }
.scenario-metric-row .value { font-size: 1rem; font-weight: 700; color: var(--text); }

/* ========================================
   EMPTY STATES
   ======================================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state .icon { font-size: 3rem; margin-bottom: 15px; opacity: 0.5; }
.empty-state h3 { font-size: 1.1rem; color: var(--text-light); margin-bottom: 8px; }
.empty-state p { max-width: 400px; margin: 0 auto 20px; font-size: 0.9rem; }

/* ========================================
   COMMENTS
   ======================================== */
.comment {
    display: flex; gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
}
.comment-avatar {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-lighter)); color: white;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem; font-weight: 600; flex-shrink: 0;
}
.comment-body { flex: 1; }
.comment-header { display: flex; gap: 10px; align-items: center; margin-bottom: 4px; }
.comment-author { font-weight: 600; font-size: 0.85rem; color: var(--text); }
.comment-date { font-size: 0.75rem; color: var(--text-muted); }
.comment-text { font-size: 0.9rem; line-height: 1.5; color: var(--text-light); }

/* ========================================
   UTILITY CLASSES
   ======================================== */
.hidden { display: none !important; }
.text-primary { color: var(--primary-light); }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-bold { font-weight: 700; }
.text-sm { font-size: 0.8rem; }
.text-lg { font-size: 1.2rem; }
.text-positive { color: #C8961E; }
.text-negative { color: var(--danger); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

.d-flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }

.w-100 { width: 100%; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        width: var(--sidebar-width);
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: none;
    }
    .sidebar.collapsed { width: var(--sidebar-width); transform: translateX(-100%); }
    .sidebar.mobile-open { transform: translateX(0); box-shadow: var(--shadow-sidebar); }
    .sidebar.mobile-open .nav-label,
    .sidebar.mobile-open .brand-text,
    .sidebar.mobile-open .nav-section { display: inline; opacity: 1; }
    .sidebar.mobile-open .sidebar-user-info { opacity: 1; width: auto; position: static; }
    .sidebar.mobile-open .sidebar-logout-btn { display: flex; }
    .sidebar.mobile-open .sidebar-version { display: block; }
    /* Hide tooltips on mobile (full sidebar shown) */
    .sidebar .nav-item::after { display: none !important; }

    .main-wrapper { margin-left: 0 !important; }

    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }

    .page-header { flex-direction: column; align-items: flex-start; gap: 15px; }
    .auth-container { flex-direction: column; }
    .auth-side { padding: 30px; }
    .auth-side h1 { font-size: 1.8rem; }

    .modal-content { width: 95%; max-width: none; }
    .form-row { grid-template-columns: 1fr; }

    .main-content { padding: 16px; }
    .header { padding: 0 16px; }
    .project-list { grid-template-columns: 1fr; }
    .scenario-cards { grid-template-columns: 1fr; }
    .metric-cards { grid-template-columns: repeat(2, 1fr); }

    .user-info { display: none; }
    .user-menu svg:last-of-type { display: none; }
}

@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
    html { font-size: 13px; }
    .auth-form-container { padding: 25px; }
}

/* ========================================
   TOWER / FLOOR CARDS (Construction Module)
   ======================================== */
.tower-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    overflow: hidden;
    transition: var(--transition);
}
.tower-card:hover { box-shadow: var(--shadow); }

.tower-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}
.tower-header h3 {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 2px;
}

.tower-subtotal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--bg);
    border-top: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-light);
}
.tower-subtotal strong {
    color: #C8961E;
    font-size: 1.05rem;
}

.floor-table {
    margin: 0;
}
.floor-table td,
.floor-table th {
    padding: 8px 12px;
    font-size: 0.82rem;
}

.cub-badge {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* Fluxo de Obra */
.fluxo-obra-table {
    max-height: 500px;
    overflow-y: auto;
}
.fluxo-obra-table table {
    margin: 0;
}
.fluxo-obra-table th,
.fluxo-obra-table td {
    font-size: 0.8rem;
    padding: 6px 10px;
    white-space: nowrap;
}

.evolution-input {
    width: 65px;
    padding: 4px 6px;
    font-size: 0.8rem;
    text-align: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--text);
    transition: var(--transition);
}
.evolution-input:focus {
    outline: none;
    border-color: var(--primary-lighter);
    box-shadow: 0 0 0 2px rgba(45, 109, 164, 0.15);
}

/* Tipologias table */
.tipologias-table th,
.tipologias-table td {
    white-space: nowrap;
}
.tipologias-table tfoot td {
    border-top: 2px solid var(--border);
}

/* ========================================
   FAN CHART LEGEND
   ======================================== */
.fan-chart-legend {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 12px;
    font-size: 0.78rem;
    color: var(--text-light);
}

.fan-chart-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.fan-chart-legend-box {
    width: 20px;
    height: 12px;
    border-radius: 2px;
}

/* ========================================
   COMPARISON TABLE HIGHLIGHTS
   ======================================== */
.comparison-table .positive-diff {
    color: #C8961E;
    font-weight: 600;
}

.comparison-table .negative-diff {
    color: var(--danger);
    font-weight: 600;
}

/* ========================================
   KPI GRID 8 (Two rows of 4)
   ======================================== */
.kpi-grid-8 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

@media (max-width: 1200px) {
    .kpi-grid-8 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .kpi-grid-8 {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   LOADING OVERLAY
   ======================================== */
.loading-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex; align-items: center; justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.loading-overlay.hidden { display: none; }
.loading-overlay-content {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 3rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.loading-overlay-content .spinner {
    width: 48px; height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}
.loading-overlay-content p {
    margin: 0;
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    body { background: #fff !important; color: #000 !important; }
    .sidebar, .header, .btn, .toast-container, .modal-overlay, .loading-overlay { display: none !important; }
    .main-wrapper { margin-left: 0; }
    .main-content { padding: 0; max-width: none; }
    .card, .kpi-card, .tower-card, .project-card, .scenario-card {
        background: #fff !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
        color: #000 !important;
    }
    .card-header, .tower-header { background: #f5f5f5 !important; }
    .card-header h2, .card-header h3, .kpi-value, .page-header h1,
    .tower-header h3, .project-card-header h3 { color: #000 !important; }
    .kpi-label, .kpi-sub, .text-muted { color: #666 !important; }
    .data-table th { background: #f5f5f5 !important; color: #333 !important; }
    .data-table td { color: #000 !important; }
    .badge { border: 1px solid #ccc !important; }
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   MARKET ANALYSIS
   ======================================== */

/* List grid */
.market-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.market-card {
    padding: 20px;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.market-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.market-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 10px;
}

.market-card-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.3;
}

.market-card-location {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-light);
    flex: 1;
}

.market-card-location svg {
    color: var(--primary);
    flex-shrink: 0;
}

.market-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    margin-top: auto;
    border-top: 1px solid var(--border);
    font-size: 12px;
}

/* ---- Market Analysis: Sections ---- */
.market-section {
    margin-bottom: 28px;
}
.market-section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.market-section-title svg {
    color: var(--primary-light);
    flex-shrink: 0;
}

/* ---- Market Analysis: KPI Grid ---- */
.market-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 12px;
    margin-bottom: 0;
}

.market-kpi-grid .kpi-card {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
    min-width: 0;
}

.kpi-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(30, 58, 95, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
}
.kpi-card.success .kpi-icon { background: rgba(247, 181, 0, 0.12); }
.kpi-card.success .kpi-icon svg { color: var(--accent); }
.kpi-card.warning .kpi-icon { background: rgba(245, 158, 11, 0.12); }
.kpi-card.warning .kpi-icon svg { color: var(--warning); }
.kpi-card.danger .kpi-icon { background: rgba(244, 63, 94, 0.12); }
.kpi-card.danger .kpi-icon svg { color: var(--danger); }
.kpi-card.info .kpi-icon { background: rgba(59, 130, 246, 0.12); }
.kpi-card.info .kpi-icon svg { color: var(--info); }

.kpi-icon svg {
    color: var(--primary);
}

.kpi-content {
    flex: 1;
    min-width: 0;
}

.kpi-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kpi-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    white-space: nowrap;
}

.kpi-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

.kpi-variation {
    font-size: 12px;
    font-weight: 600;
    margin-left: 4px;
}

.kpi-variation.positive {
    color: var(--accent, #f7b500);
}

.kpi-variation.negative {
    color: var(--danger, #f43f5e);
}

/* ---- Market Analysis: Charts Grid ---- */
.market-charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 0;
}
.market-charts-grid .card.full-width {
    grid-column: 1 / -1;
}

/* Location badge */
.market-location-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--primary-light, rgba(30, 58, 95, 0.08));
    border: 1px solid var(--primary, #0B0D11);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text);
    margin: 12px 0;
}

.market-location-badge svg {
    color: var(--primary);
    flex-shrink: 0;
}

/* Municipality autocomplete */
.municipality-autocomplete {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg, #fff);
    border: 1px solid var(--border);
    border-radius: 0 0 8px 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    max-height: 250px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.autocomplete-item {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}

.autocomplete-item:hover {
    background: var(--primary-light, rgba(30, 58, 95, 0.06));
}

.autocomplete-item.disabled {
    cursor: default;
    color: var(--text-muted);
}

.autocomplete-item.disabled:hover {
    background: transparent;
}

/* Form helpers */
.form-control-static {
    padding: 8px 12px;
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
}

.text-link {
    color: var(--primary);
    cursor: pointer;
    text-decoration: underline;
}

.text-link:hover {
    color: var(--info, #3b82f6);
}

.badge-info {
    background: var(--info, #3b82f6);
    color: #fff;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
}

/* Spinner small */
.spinner-sm {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}

/* Header actions */
.header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.btn-danger-outline {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.btn-danger-outline:hover {
    background: var(--danger);
    color: #fff;
}

/* Income distribution table bar */
.income-bar-container {
    width: 100%;
    height: 20px;
    background: var(--bg);
    border-radius: 4px;
    overflow: hidden;
}
.income-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 0.4s ease;
    min-width: 2px;
}

/* Responsive — Market Analysis */
@media (max-width: 900px) {
    .market-charts-grid {
        grid-template-columns: 1fr;
    }
    .market-list-grid {
        grid-template-columns: 1fr;
    }
    .header-actions {
        flex-direction: column;
        width: 100%;
    }
}

/* ========================================
   BACKDROP-FILTER FALLBACK
   ======================================== */
@supports not (backdrop-filter: blur(1px)) {
    .card { background: #ffffff; }
    .kpi-card { background: #ffffff; }
    .header { background: rgba(255, 255, 255, 0.97); }
    .modal-content { background: #ffffff; }
    .loading-overlay-content { background: #ffffff; }
    .tower-card { background: #ffffff; }
    .project-card { background: #ffffff; }
}


/* ========================================
   TABELA DE PRECOS POR UNIDADE
   ======================================== */
.units-table { font-size: 0.85rem; }
.units-table th { background: #f7fafc; font-weight: 600; padding: 10px 8px; }
.units-table td { padding: 6px 8px; vertical-align: middle; border-bottom: 1px solid #edf2f7; }
.units-table tr:hover { background: #f7fafc; }
.units-table .floor-header {
    background: #2b6cb0;
    color: white;
    text-align: center;
    font-weight: 700;
    border-right: 2px solid #2c5282;
}
.units-table .floor-header small { opacity: 0.8; font-weight: 400; }
.units-table input.form-control-sm,
.units-table select.form-control-sm {
    padding: 4px 6px;
    font-size: 0.82rem;
    height: auto;
    border: 1px solid #e2e8f0;
}
.units-table input.form-control-sm:focus,
.units-table select.form-control-sm:focus {
    border-color: #4299e1;
    box-shadow: 0 0 0 2px rgba(66, 153, 225, 0.15);
}
.units-table tr.row-saved { animation: rowSaved 0.8s ease; }
@keyframes rowSaved {
    0% { background: #c6f6d5; }
    100% { background: transparent; }
}

/* Status colors for select dropdowns */
.units-table select.status-disponivel { background: #f0fff4; color: #22543d; border-color: #9ae6b4; }
.units-table select.status-reservada  { background: #fffaf0; color: #7b341e; border-color: #fbd38d; }
.units-table select.status-vendida    { background: #ebf8ff; color: #2a4365; border-color: #90cdf4; }
.units-table select.status-permuta    { background: #faf5ff; color: #44337a; border-color: #d6bcfa; }
.units-table select.status-bloqueada  { background: #f7fafc; color: #2d3748; border-color: #cbd5e0; }


/* ========================================
   TIPOLOGIAS — drag handle e reorder
   ======================================== */
.tipologias-table .drag-handle {
    cursor: grab;
    user-select: none;
    color: #a0aec0;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1;
    padding: 0 6px;
}
.tipologias-table .drag-handle:hover { color: #4a5568; }
.tipologias-table tr[draggable="true"] { transition: background 0.15s, opacity 0.15s; }
.tipologias-table tr.dragging {
    opacity: 0.5;
    background: #ebf8ff;
}
.tipologias-table tr.drop-target {
    background: #c6f6d5;
    box-shadow: inset 0 -2px 0 #38a169;
}
.tipologias-table .btn-ghost.btn-sm {
    padding: 2px 8px;
    font-size: 1rem;
    min-width: auto;
}