/* ==========================================================================
   SolarPro Suite Colombia - Design System 2.0 (Dual Day / Night Theme)
   Alta Precisión Fotovoltaica · Interfaces Elegantes, Finas y Descansadas
   ========================================================================== */

/* --- TEMA NOCHE (PREDETERMINADO / OBSIDIAN LUXURY) --- */
:root, body.solar-dark-theme {
    --bg-main: #0B0F17;
    --bg-sidebar: #0F172A;
    --bg-topbar: #0F172A;
    --bg-card: #141C2E;
    --bg-card-secondary: #182238;
    --bg-card-hover: #1E293B;
    --bg-input: #172033;
    --bg-input-focus: #1E293B;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.16);
    --border-color-focus: #F59E0B;
    
    --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.45);
    --shadow-hover: 0 8px 30px -4px rgba(0, 0, 0, 0.65);
    --shadow-dropdown: 0 16px 40px rgba(0, 0, 0, 0.7);
    --modal-backdrop: rgba(0, 0, 0, 0.75);

    /* Acentos cromáticos */
    --primary: #F59E0B;
    --primary-hover: #D97706;
    --primary-glow: rgba(245, 158, 11, 0.22);
    --primary-soft: rgba(245, 158, 11, 0.12);
    --cyan-accent: #06B6D4;
    --green-accent: #10B981;
    --purple-accent: #8B5CF6;
    --blue-accent: #3B82F6;
    --danger-accent: #EF4444;

    /* Jerarquía tipográfica descansada */
    --text-main: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --text-subtle: #64748B;
    --sidebar-width: 255px;
}

/* --- TEMA DÍA (CLEAN LUXURY / ULTRA-SLATE AIRY) --- */
body.solar-light-theme {
    --bg-main: #F8FAFC;
    --bg-sidebar: #FFFFFF;
    --bg-topbar: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-card-secondary: #F1F5F9;
    --bg-card-hover: #F8FAFC;
    --bg-input: #FFFFFF;
    --bg-input-focus: #FFFFFF;
    --border-color: #E2E8F0;
    --border-color-hover: #CBD5E1;
    --border-color-focus: #D97706;
    
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px -2px rgba(15, 23, 42, 0.05);
    --shadow-hover: 0 6px 20px -3px rgba(15, 23, 42, 0.09);
    --shadow-dropdown: 0 12px 32px rgba(15, 23, 42, 0.15);
    --modal-backdrop: rgba(15, 23, 42, 0.55);

    /* Acentos cromáticos diurnos */
    --primary: #D97706;
    --primary-hover: #B45309;
    --primary-glow: rgba(217, 119, 6, 0.18);
    --primary-soft: rgba(245, 158, 11, 0.12);
    --cyan-accent: #0284C7;
    --green-accent: #059669;
    --purple-accent: #7C3AED;
    --blue-accent: #2563EB;
    --danger-accent: #DC2626;

    /* Jerarquía tipográfica diurna */
    --text-main: #0F172A;
    --text-secondary: #334155;
    --text-muted: #64748B;
    --text-subtle: #94A3B8;
    --sidebar-width: 255px;
}

/* --- RESET & TIPOGRAFÍA GLOBAL --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    font-size: 13.5px;
    line-height: 1.5;
    letter-spacing: -0.01em;
    transition: background-color 0.25s ease, color 0.25s ease;
}

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* --- SIDEBAR DE NAVEGACIÓN --- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.25rem 0.85rem;
    position: fixed;
    height: 100vh;
    z-index: 100;
    overflow-y: auto;
    transition: background 0.25s ease, border-color 0.25s ease;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}
.sidebar::-webkit-scrollbar-thumb {
    background: rgba(150, 150, 150, 0.2);
    border-radius: 4px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.5rem 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.company-selector-wrapper {
    background: var(--bg-card-secondary);
    border: 1px solid var(--border-color);
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    transition: all 0.2s ease;
}

.company-selector-wrapper label {
    display: block;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.company-selector-wrapper select {
    width: 100%;
    background: var(--bg-input);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.55rem;
    border-radius: 6px;
    font-size: 0.8rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.8rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    border-radius: 7px;
    transition: all 0.18s ease;
}

.nav-item i {
    font-size: 0.92rem;
    width: 18px;
    text-align: center;
}

.nav-item:hover {
    background: var(--primary-soft);
    color: var(--primary);
    transform: translateX(2px);
}

.nav-item.active {
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 600;
}

.nav-section-header {
    font-size: 0.64rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 700;
    color: var(--text-subtle);
    padding: 0.75rem 0.75rem 0.2rem;
}

.system-badge {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 0.5rem 0.6rem;
    border-top: 1px solid var(--border-color);
    margin-top: 0.5rem;
}

.badge-dot {
    width: 7px;
    height: 7px;
    background-color: var(--green-accent);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--green-accent);
}

/* --- MAIN CONTENT & TOPBAR HEADER --- */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-width: 0;
    padding: 1.25rem 2rem 2.5rem;
    transition: background-color 0.25s ease;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.search-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.4rem 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 320px;
    box-shadow: var(--shadow-card);
    transition: all 0.2s ease;
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.search-box i {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.search-box input {
    background: transparent;
    border: none;
    color: var(--text-main);
    outline: none;
    width: 100%;
    font-size: 0.82rem;
}

.search-box input::placeholder {
    color: var(--text-subtle);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    flex-wrap: wrap;
}

/* BOTÓN SELECTOR DE MODO DÍA / NOCHE */
.theme-toggle-btn {
    border-radius: 20px !important;
    padding: 0.35rem 0.8rem !important;
    font-size: 0.78rem !important;
    font-weight: 600 !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.45rem !important;
    cursor: pointer !important;
    border: 1px solid var(--border-color) !important;
    background: var(--bg-card) !important;
    color: var(--text-main) !important;
    box-shadow: var(--shadow-card) !important;
    transition: all 0.2s ease !important;
}

.theme-toggle-btn:hover {
    border-color: var(--primary) !important;
    transform: translateY(-1px) !important;
}

/* --- BOTONES MODERNOS Y REFINADOS --- */
.btn {
    padding: 0.48rem 0.95rem;
    border-radius: 7px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.82rem;
    letter-spacing: 0.01em;
    line-height: 1.35;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--primary);
    color: #FFFFFF;
    border-color: var(--primary);
    box-shadow: 0 2px 8px var(--primary-glow);
}

body.solar-dark-theme .btn-primary {
    color: #0F172A;
    font-weight: 700;
}

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: 0 4px 14px var(--primary-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-main);
    box-shadow: var(--shadow-card);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color-hover);
    color: var(--text-main);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.32rem 0.65rem;
    font-size: 0.76rem;
    border-radius: 6px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* --- TABS & ENCABEZADOS DE CONTENIDO --- */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.22s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.content-header {
    margin-bottom: 1.25rem;
}

.content-header h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.content-header p {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-top: 0.2rem;
}

/* --- TARJETAS KPI (GRID METRICS) --- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 0.9rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem 1.15rem;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--border-color-hover);
}

.kpi-icon {
    width: 42px;
    height: 42px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.kpi-icon.blue { background: rgba(59, 130, 246, 0.12); color: var(--blue-accent); }
.kpi-icon.gold { background: rgba(245, 158, 11, 0.12); color: var(--primary); }
.kpi-icon.green { background: rgba(16, 185, 129, 0.12); color: var(--green-accent); }
.kpi-icon.purple { background: rgba(139, 92, 246, 0.12); color: var(--purple-accent); }

.kpi-title {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
}

.kpi-data h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.02em;
    margin-top: 0.1rem;
}

/* --- TARJETAS, PANELES Y WIDGETS --- */
.dashboard-widgets {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.widget-card, .panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: var(--shadow-card);
    transition: background 0.25s ease, border-color 0.25s ease;
}

.widget-card h3, .panel h3 {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.01em;
    margin-bottom: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* --- FORMULARIOS FINOS, CLAROS Y DESCANSADOS --- */
.form-group {
    margin-bottom: 0.85rem;
}

.form-group label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.form-group input, 
.form-group select, 
.form-group textarea,
input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
input[type="date"],
select,
textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.42rem 0.75rem;
    border-radius: 7px;
    outline: none;
    font-size: 0.82rem;
    line-height: 1.4;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--bg-input-focus);
}

.form-group input::placeholder,
textarea::placeholder {
    color: var(--text-subtle);
    font-size: 0.8rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
}

/* Sliders finos */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 5px;
    background: var(--border-color);
    border-radius: 5px;
    outline: none;
    margin: 0.4rem 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 0 6px var(--primary-glow);
    transition: transform 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* --- TABLAS DE DATOS MODERNAS & ELEGANTES --- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.35rem;
}

.data-table th, .data-table td {
    padding: 0.7rem 0.9rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.82rem;
}

.data-table th {
    background: var(--bg-card-secondary);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.data-table tbody tr {
    transition: background-color 0.15s ease;
}

.data-table tbody tr:hover {
    background-color: var(--bg-card-hover);
}

/* --- BADGES REFINADOS (MICRO-PILLS) --- */
.badge {
    padding: 0.2rem 0.55rem;
    border-radius: 9999px;
    font-size: 0.68rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    letter-spacing: 0.02em;
}

.badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--primary); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-success { background: rgba(16, 185, 129, 0.15); color: var(--green-accent); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-info { background: rgba(6, 182, 212, 0.15); color: var(--cyan-accent); border: 1px solid rgba(6, 182, 212, 0.3); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger-accent); border: 1px solid rgba(239, 68, 68, 0.3); }

/* --- KANBAN BOARD & PROJECT CARDS --- */
.kanban-board {
    display: flex;
    gap: 0.9rem;
    overflow-x: auto;
    padding-bottom: 0.8rem;
}

.kanban-col {
    min-width: 240px;
    width: 240px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.9rem;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
}

.kanban-col-header {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.kanban-cards-container {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    flex: 1;
    min-height: 200px;
}

.project-card {
    background: var(--bg-card-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.8rem;
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.project-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.project-card h4 {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.3rem;
}

.project-meta {
    font-size: 0.74rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

/* --- PHASE STEPPER (ROADMAP DE FASES) --- */
.phase-stepper {
    display: flex;
    align-items: center;
    overflow-x: auto;
    padding: 1.2rem 0.4rem;
    gap: 0;
}

.phase-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    background: none;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
    padding: 0 0.6rem;
    position: relative;
}

.phase-step-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-muted);
    transition: all 0.2s ease;
}

.phase-step-label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    text-align: center;
}

.phase-step-count {
    position: absolute;
    top: -3px;
    right: 0.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.6rem;
    padding: 0.05rem 0.35rem;
    color: var(--text-muted);
}

.phase-step:hover .phase-step-icon {
    border-color: var(--primary);
    color: var(--primary);
}

.phase-step.completed .phase-step-icon {
    background: rgba(16, 185, 129, 0.12);
    border-color: var(--green-accent);
    color: var(--green-accent);
}
.phase-step.completed .phase-step-label { color: var(--green-accent); }

.phase-step.in-progress .phase-step-icon {
    background: rgba(245, 158, 11, 0.12);
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 10px var(--primary-glow);
}
.phase-step.in-progress .phase-step-label { color: var(--primary); font-weight: 700; }

.phase-connector {
    flex: 1;
    min-width: 20px;
    height: 2px;
    background: var(--border-color);
    margin-bottom: 1.4rem;
}

.phase-connector.completed {
    background: var(--green-accent);
}

/* --- GIS & CALCULADORA LAYOUTS --- */
.gis-layout, .calculator-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 1.25rem;
}

.gis-controls {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: var(--shadow-card);
    overflow-y: auto;
    max-height: 820px;
}

.gis-viewport-container {
    position: relative;
    width: 100%;
    min-height: 640px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
}

.gis-viewport-header {
    background: var(--bg-topbar);
    border-bottom: 1px solid var(--border-color);
}

.measurement-hud-card {
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: 7px;
    padding: 0.65rem;
    font-size: 0.8rem;
}

.measurement-hud-card strong {
    color: var(--primary);
}

.gis-address-badge {
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.25);
    color: var(--cyan-accent);
    padding: 0.65rem;
    border-radius: 7px;
    font-size: 0.78rem;
    line-height: 1.35;
}

.gis-results-box {
    background: var(--bg-card-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.9rem;
    margin-top: 0.85rem;
}

.gis-results-box h4 {
    color: var(--primary);
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
}

.gis-results-box p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

/* Métricas Financieras */
.calc-metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
    margin-bottom: 1.25rem;
}

.metric-box {
    background: var(--bg-card);
    padding: 0.9rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
}

.metric-box span {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
}

.metric-box h2 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-top: 0.2rem;
    color: var(--text-main);
}

.metric-box.green h2 { color: var(--green-accent); }
.metric-box.gold h2 { color: var(--primary); }
.metric-box.blue h2 { color: var(--cyan-accent); }

/* --- VENTANAS MODALES --- */
.modal-backdrop {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: var(--modal-backdrop);
    backdrop-filter: blur(6px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-backdrop.active {
    display: flex;
}

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 520px;
    max-width: 92%;
    max-height: 88vh;
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-dropdown);
    color: var(--text-main);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.9rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.35rem;
    cursor: pointer;
    transition: color 0.15s ease;
}

.close-btn:hover {
    color: var(--text-main);
}

.modal-body {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
    padding: 0.25rem 0;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.65rem;
    margin-top: 1.25rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

/* --- ASISTENTE GEMINI IA CHAT FLOTANTE --- */
.gemini-chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2500;
}

.gemini-chat-toggle-btn {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: #FFFFFF;
    border: none;
    padding: 0.65rem 1.15rem;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.gemini-chat-toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.55);
}

.gemini-chat-box {
    position: absolute;
    bottom: 55px;
    right: 0;
    width: 375px;
    max-width: 92vw;
    height: 510px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-dropdown);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.gemini-chat-header {
    background: var(--bg-topbar);
    padding: 0.7rem 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.gemini-chat-messages {
    flex: 1;
    padding: 0.85rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    background: var(--bg-main);
}

.chat-msg.bot .msg-bubble {
    background: var(--bg-card);
    color: var(--text-main);
    border-radius: 10px 10px 10px 2px;
    padding: 0.65rem 0.75rem;
    font-size: 0.8rem;
    line-height: 1.4;
    border: 1px solid var(--border-color);
}

.chat-msg.user .msg-bubble {
    background: var(--blue-accent);
    color: #FFFFFF;
    border-radius: 10px 10px 2px 10px;
    padding: 0.65rem 0.75rem;
    font-size: 0.8rem;
    line-height: 1.4;
}

.gemini-chat-input-row {
    display: flex;
    gap: 0.4rem;
    padding: 0.55rem;
    background: var(--bg-topbar);
    border-top: 1px solid var(--border-color);
}

/* --- HOJA DE IMPRESIÓN Y EXPORTACIÓN A PDF (CONTRATO & PROPUESTA) --- */
@media print {
    .sidebar, .topbar, .modal-backdrop, .btn, .content-header,
    .system-badge, .gemini-chat-widget, .chat-panel-container,
    #proposalValidationBox, #contractValidationBox, #proposalStatusPanel,
    #contractStatusPanel, #proposalConcretedBanner, #contractSignedExecutionBanner,
    #bomConfigSection, .no-print, .panel:not(.proposal-preview-box) {
        display: none !important;
    }

    body {
        background: #ffffff !important;
        color: #111827 !important;
        font-size: 10.5pt !important;
    }

    .app-layout, .main-content, .tab-content.active {
        margin: 0 !important;
        padding: 0 !important;
        display: block !important;
        background: #ffffff !important;
    }

    .proposal-paper {
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        background: #ffffff !important;
    }

    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
}

/* ==========================================================================
   OVERRIDES ESPECÍFICOS PARA MODO DÍA (SOLAR LIGHT THEME)
   Garantiza que contenedores con fondos oscuros inline se adapten con elegancia
   ========================================================================== */
body.solar-light-theme .gis-viewport-container {
    background: #F1F5F9 !important;
    border-color: #E2E8F0 !important;
}

body.solar-light-theme .gis-viewport-header {
    background: #FFFFFF !important;
    border-bottom-color: #E2E8F0 !important;
}

body.solar-light-theme #toolbar3DArrayControls {
    background: #F8FAFC !important;
    border-color: #CBD5E1 !important;
}

body.solar-light-theme #toolbar3DArrayControls input {
    background: #FFFFFF !important;
    color: #D97706 !important;
    border-color: #CBD5E1 !important;
}

body.solar-light-theme #mapLayerSelector {
    background: #FFFFFF !important;
    color: #0F172A !important;
    border-color: #CBD5E1 !important;
}

body.solar-light-theme .gis-controls {
    background: #FFFFFF !important;
    border-color: #E2E8F0 !important;
}

body.solar-light-theme .gis-results-box {
    background: #F8FAFC !important;
    border-color: #E2E8F0 !important;
}

body.solar-light-theme .modal-card {
    background: #FFFFFF !important;
    color: #0F172A !important;
    border-color: #E2E8F0 !important;
}

body.solar-light-theme .modal-header h3 {
    color: #0F172A !important;
}

body.solar-light-theme .gemini-chat-box {
    background: #FFFFFF !important;
    border-color: #E2E8F0 !important;
}

body.solar-light-theme .gemini-chat-header,
body.solar-light-theme .gemini-chat-input-row {
    background: #F8FAFC !important;
    border-color: #E2E8F0 !important;
}

body.solar-light-theme .gemini-chat-input-row input {
    background: #FFFFFF !important;
    color: #0F172A !important;
    border-color: #CBD5E1 !important;
}

body.solar-light-theme .gemini-chat-messages {
    background: #F1F5F9 !important;
}

body.solar-light-theme .chat-msg.bot .msg-bubble {
    background: #FFFFFF !important;
    color: #0F172A !important;
    border-color: #E2E8F0 !important;
}

body.solar-light-theme #topHudBar3D {
    background: rgba(255, 255, 255, 0.95) !important;
    color: #0F172A !important;
    border-color: #CBD5E1 !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1) !important;
}

body.solar-light-theme #topHudBar3D span,
body.solar-light-theme #topHudBar3D strong {
    color: #0F172A !important;
}

body.solar-light-theme #liveControlsOverlay {
    background: rgba(255, 255, 255, 0.95) !important;
    border-color: #CBD5E1 !important;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12) !important;
}

body.solar-light-theme #liveControlsHeader {
    background: #F8FAFC !important;
    border-bottom-color: #E2E8F0 !important;
    color: #0F172A !important;
}

body.solar-light-theme #liveControlsBody {
    color: #0F172A !important;
}

body.solar-light-theme #panelMoverDpad {
    background: rgba(255, 255, 255, 0.95) !important;
    border-color: #CBD5E1 !important;
    box-shadow: 0 6px 20px rgba(0,0,0,0.12) !important;
}

body.solar-light-theme #panelMoverDpad span {
    color: #64748B !important;
}