:root {
    --bg-dark: #0a0e17;
    --bg-card: #121826;
    --bg-card-hover: #1a2236;
    --bg-input: #182032;
    --border-color: #26334d;
    --border-highlight: #3b82f6;

    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;

    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-emerald: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-dark: linear-gradient(180deg, #121826 0%, #0a0e17 100%);

    --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.25);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* ELEGANT LIGHT THEME OVERRIDES */
body.light-theme {
    --bg-dark: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-input: #f1f5f9;
    --border-color: #e2e8f0;
    --border-highlight: #2563eb;

    --text-main: #0f172a;
    --text-muted: #475569;
    --text-dim: #64748b;

    --shadow-card: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);
}

body.light-theme .top-nav {
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid #e2e8f0;
}

body.light-theme .auth-card {
    background: #ffffff;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

body.light-theme .auth-tabs {
    background: #f1f5f9;
}

body.light-theme .auth-tab.active {
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
}

body.light-theme .ap-price-tag {
    background: rgba(255, 255, 255, 0.9);
    color: #0284c7;
    border: 1px solid #e2e8f0;
}

body.light-theme .data-table th {
    background: #f8fafc;
}

body.light-theme .audit-hash-code {
    background: #f1f5f9;
}

body.light-theme .modal-overlay {
    background: rgba(15, 23, 42, 0.4);
}

/* Theme Toggle Button Style */
.theme-toggle-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.25 ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.theme-toggle-btn:hover {
    border-color: var(--accent-blue);
    transform: translateY(-1px);
}

.theme-toggle-btn i {
    color: var(--accent-amber);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* Glassmorphism utility */
.glass {
    background: rgba(18, 24, 38, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
}

/* Top Navigation */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.brand-name .highlight {
    color: var(--accent-blue);
}

.brand-badge {
    font-size: 0.65rem;
    font-family: var(--font-mono);
    color: var(--accent-emerald);
    background: rgba(16, 185, 129, 0.1);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(16, 185, 129, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    width: fit-content;
}

.nav-user-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-card);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: #fff;
}

.user-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.user-name {
    font-weight: 600;
    font-size: 0.88rem;
}

.user-role {
    font-size: 0.72rem;
    color: var(--accent-cyan);
    font-weight: 500;
    text-transform: uppercase;
}

/* Main Container */
.main-container {
    max-width: 1380px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.view-section {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* AUTH SCREEN STYLES */
.auth-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    min-height: calc(85vh - 80px);
}

.auth-hero h1 {
    font-size: 2.8rem;
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 1.2rem;
    letter-spacing: -1px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-full);
    color: var(--accent-blue);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.auth-hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.security-features-grid {
    display: grid;
    gap: 1.2rem;
}

.sec-card {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.sec-card:hover {
    transform: translateX(6px);
    border-color: var(--border-highlight);
}

.sec-card i {
    font-size: 1.6rem;
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.1);
    padding: 0.8rem;
    border-radius: var(--radius-md);
}

.sec-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.sec-card p {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 0;
}

/* Auth Form Card */
.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-card);
    position: relative;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--gradient-primary);
}

.auth-tabs {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-dark);
    padding: 0.4rem;
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
}

.auth-tab {
    flex: 1;
    padding: 0.75rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.auth-tab.active {
    background: var(--bg-card);
    color: var(--text-main);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

/* FORM CONTROLS */
.form-group {
    margin-bottom: 1.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

input, select, textarea {
    width: 100%;
    padding: 0.85rem 1.1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2rem;
    padding-right: 2.8rem;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.6rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.4);
}

.btn-accent {
    background: var(--gradient-accent);
    color: #fff;
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(6, 182, 212, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-blue);
}

.btn-outline-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: var(--radius-sm);
}

.btn-block {
    width: 100%;
}

.demo-intro {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.demo-btn-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.demo-login-btn {
    justify-content: space-between;
    padding: 1rem;
    text-align: left;
}

.demo-btn-content {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.demo-icon {
    font-size: 1.3rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.demo-icon.admin {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple);
}

.demo-icon.tenant {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
}

.demo-login-btn strong {
    display: block;
    font-size: 0.95rem;
}

.demo-login-btn span {
    display: block;
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* DASHBOARD LAYOUT */
.dashboard-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.main-tabs {
    display: flex;
    gap: 0.75rem;
}

.tab-link {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: all 0.2s ease;
}

.tab-link:hover {
    color: var(--text-main);
    background: rgba(255,255,255,0.03);
}

.tab-link.active {
    color: var(--text-main);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease forwards;
}

.tab-content.active {
    display: block;
}

/* TOOLBAR & SEARCH */
.content-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 280px;
}

.search-box i {
    position: absolute;
    left: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
}

.search-box input {
    padding-left: 2.8rem;
}

/* APARTMENTS GRID */
.apartments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.8rem;
}

.apartment-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.apartment-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-card);
}

.ap-image-container {
    position: relative;
    height: 210px;
    width: 100%;
    overflow: hidden;
}

.ap-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.apartment-card:hover .ap-image {
    transform: scale(1.06);
}

.ap-badge-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(8px);
}

.ap-badge-status.disponible {
    background: rgba(16, 185, 129, 0.85);
    color: #fff;
}

.ap-badge-status.alquilado {
    background: rgba(59, 130, 246, 0.85);
    color: #fff;
}

.ap-badge-status.mantenimiento {
    background: rgba(245, 158, 11, 0.85);
    color: #fff;
}

.ap-price-tag {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(8px);
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-md);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--accent-cyan);
    border: 1px solid rgba(255,255,255,0.1);
}

.ap-details {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.ap-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--text-main);
}

.ap-location {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.ap-specs {
    display: flex;
    gap: 1.2rem;
    padding: 0.8rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.2rem;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.ap-specs span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.ap-specs i {
    color: var(--accent-blue);
}

.ap-card-actions {
    margin-top: auto;
    display: flex;
    gap: 0.6rem;
}

/* PAYMENTS VIEW */
.payments-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.payments-table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    box-shadow: var(--shadow-card);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.92rem;
}

.data-table th {
    background: var(--bg-dark);
    padding: 1rem 1.2rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 1.1rem 1.2rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: rgba(255,255,255,0.02);
}

.pay-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
}

.pay-status.verificado {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.pay-status.pendiente {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-amber);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.pay-status.rechazado {
    background: rgba(244, 63, 94, 0.15);
    color: var(--accent-rose);
    border: 1px solid rgba(244, 63, 94, 0.3);
}

.doc-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.1);
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    text-decoration: none;
    border: 1px solid rgba(6, 182, 212, 0.2);
    cursor: pointer;
}

.doc-link-btn:hover {
    background: rgba(6, 182, 212, 0.25);
}

/* AUDIT VIEW */
.audit-header {
    margin-bottom: 2rem;
}

.audit-badge-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-purple);
    border: 1px solid rgba(139, 92, 246, 0.3);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.audit-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.audit-controls input {
    max-width: 400px;
}

.audit-timeline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.audit-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    position: relative;
    transition: border-color 0.2s ease;
}

.audit-item:hover {
    border-color: var(--accent-blue);
}

.audit-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.audit-icon.create { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.audit-icon.payment { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.audit-icon.auth { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }
.audit-icon.sec { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }

.audit-content {
    flex: 1;
}

.audit-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.3rem;
}

.audit-title {
    font-weight: 700;
    font-size: 0.95rem;
}

.audit-time {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-dim);
}

.audit-details {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.audit-hash-code {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    background: var(--bg-dark);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid var(--border-color);
}

/* MODALS */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 580px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-container.modal-lg {
    max-width: 800px;
}

.modal-header {
    padding: 1.4rem 1.8rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255,255,255,0.02);
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--accent-rose);
}

.modal-form {
    padding: 1.8rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1.8rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border-color);
}

/* FILE DROPZONE */
.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    background: var(--bg-input);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.05);
}

.drop-icon {
    font-size: 2.2rem;
    color: var(--accent-blue);
}

.drop-text {
    font-weight: 600;
    font-size: 0.95rem;
}

.drop-hint {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.file-preview-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-top: 0.8rem;
}

.preview-icon {
    font-size: 1.8rem;
    color: var(--accent-cyan);
}

.preview-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.preview-info .name {
    font-weight: 600;
    font-size: 0.9rem;
}

.preview-info .size {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.sec-badge {
    font-size: 0.7rem;
    color: var(--accent-emerald);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.btn-remove {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.4rem;
    cursor: pointer;
}

.btn-remove:hover {
    color: var(--accent-rose);
}

/* TOAST NOTIFICATIONS */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-blue);
    padding: 1rem 1.4rem;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-main);
    min-width: 300px;
    animation: slideInRight 0.3s ease forwards;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast.success { border-left-color: var(--accent-emerald); }
.toast.success i { color: var(--accent-emerald); }

.toast.error { border-left-color: var(--accent-rose); }
.toast.error i { color: var(--accent-rose); }

.toast.info { border-left-color: var(--accent-cyan); }
.toast.info i { color: var(--accent-cyan); }

/* RESPONSIVE DESIGN */
@media (max-width: 900px) {
    .auth-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .auth-hero h1 {
        font-size: 2.2rem;
    }

    .top-nav {
        padding: 1rem;
    }

    .dashboard-header-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .main-tabs {
        overflow-x: auto;
        padding-bottom: 0.4rem;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }
}