/* Modern Monochrome Design System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1f1f1f;
    --border-color: #2a2a2a;
    --border-focus: #eaeaea;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #606060;
    --accent: #ffffff;
    --accent-hover: #e0e0e0;
    --danger: #cf6679;
    --sidebar-width: 280px;
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
body.light-theme {
    --bg-primary: #f5f5f7;
    --bg-secondary: #ffffff;
    --bg-tertiary: #eaeaea;
    --border-color: #e0e0e0;
    --border-focus: #000000;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-muted: #86868b;
    --accent: #000000;
    --accent-hover: #333333;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    transition: var(--transition-smooth);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

a {
    color: inherit;
    text-decoration: none;
}

/* Layout */
.app-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    transition: var(--transition-smooth);
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 3.5rem;
}

.sidebar-logo {
    width: 32px;
    height: 32px;
    background: var(--text-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-weight: 700;
}

.sidebar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.menu-item a:hover, 
.menu-item.active a {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.menu-item a svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
    transition: var(--transition-smooth);
}

.sidebar-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-secondary);
}

.user-info {
    overflow: hidden;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Main Content Area */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 3rem 4rem;
    min-height: 100vh;
    background-color: var(--bg-primary);
    transition: var(--transition-smooth);
}

@media (max-width: 992px) {
    .sidebar {
        width: 80px;
        padding: 2rem 1rem;
        align-items: center;
    }
    .sidebar-brand, .user-info, .sidebar-header span {
        display: none;
    }
    .menu-item a span {
        display: none;
    }
    .main-content {
        margin-left: 80px;
        padding: 2rem;
    }
    .user-profile {
        justify-content: center;
    }
}

/* Theme Toggle Button */
.theme-toggle-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-family: inherit;
    font-weight: 500;
    transition: var(--transition-smooth);
    justify-content: center;
}

.theme-toggle-btn:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

/* Cards & Glassmorphism Panels */
.panel {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
    margin-bottom: 2rem;
}

/* Login Page Styling */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    width: 100%;
    background-color: var(--bg-primary);
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-logo {
    width: 50px;
    height: 50px;
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.login-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Form Styling */
.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.85rem 1.2rem;
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.05);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.form-checkbox input {
    accent-color: var(--accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.85rem 1.5rem;
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    width: 100%;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--text-secondary);
}

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

.btn-danger:hover {
    background-color: rgba(207, 102, 121, 0.1);
    border-color: var(--danger);
}

/* Alert Notification Banner */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid transparent;
}

.alert-success {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.alert-error {
    background-color: rgba(207, 102, 121, 0.1);
    border-color: rgba(207, 102, 121, 0.2);
    color: var(--danger);
}

/* Page Header component */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
}

.page-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Grid Components */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
}

@media (max-width: 992px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Stories & Diary Layout */
.story-editor {
    position: sticky;
    top: 3rem;
}

.stories-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.story-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.story-card:hover {
    border-color: var(--text-secondary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.story-meta {
    display: flex;
    gap: 15px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.story-title {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.story-content {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    white-space: pre-wrap;
}

.story-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.story-actions .btn-delete {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    transition: var(--transition-smooth);
}

.story-actions .btn-delete:hover {
    color: var(--danger);
}

/* Gallery & Upload Styling */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    background-color: var(--bg-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-bottom: 2.5rem;
    position: relative;
}

.upload-zone:hover {
    border-color: var(--text-secondary);
    background-color: var(--bg-tertiary);
}

.upload-zone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-icon {
    font-size: 2.5rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.upload-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.upload-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.section-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Photos Grid */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.photo-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.photo-card:hover {
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.photo-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 Aspect Ratio */
    background-color: var(--bg-tertiary);
}

.photo-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.photo-card:hover .photo-img {
    scale: 1.05;
}

.photo-details {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: auto;
}

.photo-title {
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.photo-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.photo-size {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.action-links {
    display: flex;
    gap: 10px;
}

.action-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: var(--transition-smooth);
}

.action-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.action-btn.delete:hover {
    color: var(--danger);
    background-color: rgba(207, 102, 121, 0.1);
}

/* Documents List Table */
.document-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.document-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-smooth);
}

.document-item:hover {
    border-color: var(--text-secondary);
}

.document-info {
    display: flex;
    align-items: center;
    gap: 15px;
    overflow: hidden;
    flex: 1;
}

.document-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.document-name {
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.document-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.document-actions {
    display: flex;
    gap: 10px;
}

/* Settings Form Panels */
.settings-container {
    max-width: 680px;
}

.settings-panel {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

/* Empty State elements */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 2.5rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.empty-text {
    font-size: 0.95rem;
}

/* Mobile header, overlay, and drawer styles */
.mobile-header {
    display: none;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 1.5rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 99;
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-brand {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 98;
}

.sidebar-overlay.open {
    display: block;
}

/* Mobile Responsiveness (768px or lower) */
@media (max-width: 768px) {
    .mobile-header {
        display: flex;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        width: var(--sidebar-width) !important;
        height: 100vh;
        z-index: 100;
        padding: 2.5rem 1.5rem;
        align-items: stretch;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-brand, .user-info, .sidebar-header span, .menu-item a span {
        display: block !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: 5.5rem 1.25rem 2.5rem 1.25rem !important;
    }
    
    .page-header {
        margin-bottom: 1.5rem;
    }
    
    .page-title {
        font-size: 1.65rem;
    }
    
    .grid-2 {
        gap: 1.5rem;
    }
    
    .settings-panel {
        padding: 1.5rem;
    }
    
    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 1rem;
    }
    
    .photo-details {
        padding: 0.75rem;
    }
}

/* Tiny mobile screen tweaks */
@media (max-width: 480px) {
    .document-item {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .document-actions {
        justify-content: flex-end;
    }
}

/* Password Input with Toggle Eye Icon */
.password-input-container {
    position: relative;
    display: block;
    width: 100%;
}

.password-input-container .form-control {
    padding-right: 3rem; /* Leave space for eye icon */
}

.password-toggle-icon {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    user-select: none;
    z-index: 5;
}

.password-toggle-icon:hover {
    color: var(--text-primary);
}

.password-toggle-icon svg {
    width: 20px;
    height: 20px;
}

/* Spinner Animation & Loading States */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    border-top-color: var(--text-primary);
    animation: spin 0.6s linear infinite;
    display: inline-block;
    vertical-align: middle;
}

/* Adjust colors for spinner depending on button type */
.btn-primary .spinner {
    border-top-color: var(--bg-primary);
    border-right-color: rgba(0, 0, 0, 0.1);
    border-bottom-color: rgba(0, 0, 0, 0.1);
    border-left-color: rgba(0, 0, 0, 0.1);
}

body.light-theme .btn-primary .spinner {
    border-top-color: var(--bg-secondary);
}

.btn:disabled, .action-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed !important;
    pointer-events: none !important;
}

/* Upload zone loading styles */
.upload-zone-loading {
    border-color: var(--text-muted) !important;
    background-color: var(--bg-tertiary) !important;
    cursor: not-allowed !important;
}

/* Story Sharing Styles */
.stories-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.tab-btn.active {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Badge count */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 6px;
    font-weight: 600;
}

.badge-accent {
    background-color: var(--accent);
    color: var(--bg-primary);
}

.tab-btn.active .badge-accent {
    background-color: var(--accent);
    color: var(--bg-primary);
}

body.light-theme .badge-accent {
    background-color: var(--border-focus);
    color: var(--bg-secondary);
}

/* Share form & buttons */
.share-form-container {
    display: inline-block;
    position: relative;
}

.btn-share-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    transition: var(--transition-smooth);
}

.btn-share-toggle:hover {
    color: var(--text-primary);
}

.share-form {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    width: 280px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    position: absolute;
    bottom: 120%;
    right: 0;
    z-index: 10;
}

.share-input-group {
    display: flex;
    gap: 6px;
}

.form-control-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    border-radius: 6px;
}

.btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    border-radius: 6px;
    width: auto;
}

/* Shared users tags list */
.shared-users-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-top: 1rem;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--border-color);
}

.shared-badge {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.shared-user-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
}

.btn-unshare-icon {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 2px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.btn-unshare-icon:hover {
    color: var(--danger);
}

/* Author badge for shared cards */
.author-badge {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
}