/* ==========================================================================
   TooManyPictures - Customer Portal Stylesheet
   Designed for high performance, accessibility and utility.
   ========================================================================== */

:root {
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    
    /* Light Theme (Default) */
    --bg-primary: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #ffffff;
    --bg-secondary: #f1f5f9;
    --bg-tertiary: #e2e8f0;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-inverse: #ffffff;
    
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-border: #bfdbfe;
    
    --secondary: #475569;
    --secondary-hover: #334155;
    
    --success: #16a34a;
    --success-bg: #f0fdf4;
    --success-border: #bbf7d0;
    
    --warning: #d97706;
    --warning-bg: #fffbeb;
    --warning-border: #fde68a;
    
    --danger: #dc2626;
    --danger-bg: #fef2f2;
    --danger-border: #fecaca;
    
    --border-color: #e2e8f0;
    --border-focus: #3b82f6;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-elevated: #334155;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #0f172a;
    
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-light: #1e3a8a;
    --primary-border: #1d4ed8;
    
    --border-color: #334155;
    --border-focus: #60a5fa;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

/* Base resets & box-sizing */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Utility Helpers */
.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }

/* Layout Structure */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.15rem;
}

.brand-icon {
    font-size: 1.4rem;
}

.portal-badge {
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--primary-light);
    color: var(--primary);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--primary-border);
    margin-left: 0.35rem;
}

.nav-status {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.75rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    font-size: 0.8rem;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-email {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform 50ms ease;
    text-decoration: none;
    line-height: 1.25;
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-inverse);
}
.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--text-inverse);
}
.btn-secondary:hover:not(:disabled) {
    background-color: var(--secondary-hover);
}

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

.btn-text {
    background: transparent;
    border: none;
    color: var(--text-muted);
}
.btn-text:hover:not(:disabled) {
    color: var(--text-primary);
    text-decoration: underline;
}

.btn-icon {
    padding: 0.5rem;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-primary);
    font-size: 1rem;
    width: 2.25rem;
    height: 2.25rem;
}
.btn-icon:hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}
.btn-icon.active {
    background-color: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary-border);
}

.btn-sm {
    padding: 0.25rem 0.65rem;
    font-size: 0.8rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="datetime-local"],
select {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-size: 0.875rem;
    font-family: inherit;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-surface);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.input-with-action {
    display: flex;
    gap: 0.5rem;
}

.form-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    display: block;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
}

/* Auth Card & Tabs */
.auth-section {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    padding: 2rem 1rem;
}

.auth-card {
    background-color: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 440px;
    padding: 2rem;
}

.auth-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.tab-header {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.tab-btn {
    flex: 1;
    padding: 0.6rem 0.5rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

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

.auth-footer-notice {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Tenant Selection List */
.tenant-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
    max-height: 280px;
    overflow-y: auto;
}

.tenant-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-surface);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tenant-item:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

/* Dashboard Layout */
.dashboard-section {
    display: grid;
    grid-template-columns: 320px 1fr;
    flex-grow: 1;
    min-height: calc(100vh - 65px);
}

.sidebar {
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    padding: 1.25rem;
    overflow-y: auto;
}

.sidebar-header {
    margin-bottom: 1rem;
}

.sidebar-header h3 {
    font-size: 1.1rem;
}

.divider {
    border: 0;
    height: 1px;
    background-color: var(--border-color);
    margin: 1.25rem 0;
}

.label-xs {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.35rem;
}

.badge-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.recent-badge {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: monospace;
    transition: background-color var(--transition-fast);
}

.recent-badge:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-border);
    color: var(--primary);
}

.filter-container h4, .quick-tools h4 {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.filter-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Content Body */
.content-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.gallery-summary h2 {
    font-size: 1.4rem;
    margin-bottom: 0.25rem;
}

.gallery-toolbar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-toggle {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-surface);
    overflow: hidden;
}

.view-toggle .btn-icon {
    border-radius: 0;
    border: none;
}

/* Banner */
.banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
}

.banner-info {
    background-color: var(--warning-bg);
    border: 1px solid var(--warning-border);
    color: #92400e;
}

/* Gallery States */
.empty-state, .loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    background-color: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border-color);
    margin: 1rem 0;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.spinner {
    width: 2.5rem;
    height: 2.5rem;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Pictures Grid */
.pictures-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
}

.pictures-grid.list-view {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.picture-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    display: flex;
    flex-direction: column;
}

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

.picture-thumb-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.picture-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.picture-card:hover .picture-thumb {
    transform: scale(1.03);
}

.picture-thumb-placeholder {
    font-size: 2rem;
    color: var(--text-muted);
}

.picture-badge-overlay {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: flex;
    gap: 0.25rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.45rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-blurred {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.badge-original {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.badge-active {
    background-color: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success-border);
}

.picture-info {
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.picture-time {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.picture-subtext {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
}

/* List view row layout */
.pictures-grid.list-view .picture-card {
    flex-direction: row;
    height: 90px;
    align-items: center;
}

.pictures-grid.list-view .picture-thumb-wrap {
    width: 140px;
    height: 100%;
    aspect-ratio: auto;
    flex-shrink: 0;
}

.pictures-grid.list-view .picture-info {
    flex-grow: 1;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.25rem;
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
    padding: 1rem 0;
}

/* Modals & Lightbox */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
}

.modal-window {
    position: relative;
    background-color: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 95vw;
    max-width: 1200px;
    height: 88vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 10;
}

.modal-sm {
    max-width: 500px;
    height: auto;
    max-height: 85vh;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-surface);
}

.modal-title-group h3 {
    font-size: 1.15rem;
}

.modal-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.modal-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 320px;
    flex-grow: 1;
    overflow: hidden;
}

.modal-body-p {
    padding: 1.25rem;
    overflow-y: auto;
}

.modal-image-container {
    background-color: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.modal-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    user-select: none;
}

.image-error-notice {
    color: #f87171;
    text-align: center;
    padding: 2rem;
}

.modal-sidebar {
    background-color: var(--bg-surface);
    border-left: 1px solid var(--border-color);
    padding: 1.25rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.meta-list {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.35rem 0.75rem;
    font-size: 0.825rem;
}

.meta-list dt {
    color: var(--text-muted);
    font-weight: 500;
}

.meta-list dd {
    word-break: break-all;
    font-family: monospace;
}

.assets-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.asset-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.asset-item:hover, .asset-item.active {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

/* Timelapse Window */
.timelapse-window {
    max-width: 1000px;
    height: 80vh;
}

.timelapse-body {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    background-color: #000000;
    overflow: hidden;
}

.timelapse-canvas-wrapper {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timelapse-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.timelapse-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    color: var(--text-primary);
}

.timelapse-scrubber {
    flex-grow: 1;
}

.speed-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
}

.speed-selector select {
    width: auto;
    padding: 0.25rem 0.5rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 2000;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow-lg);
    min-width: 280px;
    max-width: 420px;
    font-size: 0.875rem;
    animation: toastIn 200ms ease;
}

.toast.toast-error {
    border-left-color: var(--danger);
}

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

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive adjustments */
@media (max-width: 860px) {
    .dashboard-section {
        grid-template-columns: 1fr;
    }
    .sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .modal-body {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
    }
    .modal-sidebar {
        border-left: none;
        border-top: 1px solid var(--border-color);
        max-height: 240px;
    }
}