/* =========================================
   NWM Nerds — Design System
   ========================================= */

/* --- CSS Custom Properties --- */
:root {
    /* Colors */
    --color-primary: #194331;
    --color-primary-light: #1e5a3f;
    --color-primary-dark: #112e22;
    --color-accent: #f0a500;
    --color-accent-hover: #d4920a;
    --color-highlight: #5ebd8a;
    --color-highlight-light: #7dd4a3;

    /* Surfaces */
    --color-bg: #0d1b14;
    --color-surface: #132a1f;
    --color-surface-hover: #183424;
    --color-surface-elevated: #1e3f2d;
    --color-border: rgba(94, 189, 138, 0.15);
    --color-border-hover: rgba(94, 189, 138, 0.3);

    /* Text */
    --color-text: #eef4f0;
    --color-text-secondary: #b5cfc0;
    --color-text-muted: #8aae9a;

    /* Functional */
    --color-success: #5ebd8a;
    --color-warning: #f0a500;
    --color-danger: #e74c3c;
    --color-info: #3b82f6;

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Sizes */
    --header-height: 60px;
    --sidebar-width: 280px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(94, 189, 138, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    /* Animations */
    --anime-fade-in: fadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    --anime-slide-up: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-surface-elevated);
    border: 2px solid var(--color-bg);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-light);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-surface-elevated) var(--color-bg);
}

/* --- Card Action Icons --- */
.card {
    position: relative;
}

.card__actions {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    display: flex;
    gap: var(--space-xs);
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 10;
}

.card:hover .card__actions {
    opacity: 1;
}

.action-icon-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
}

.action-icon-btn:hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.action-icon-btn.btn-delete:hover {
    background: var(--color-danger);
    color: white;
    border-color: var(--color-danger);
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-highlight);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-highlight-light);
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(13, 27, 20, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    z-index: 100;
}

.hamburger-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.hamburger-btn:hover {
    background-color: var(--color-surface-hover);
}

.hamburger-icon {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 1px;
    transition: all var(--transition-base);
}

.header-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.02em;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

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

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    background-color: rgba(231, 76, 60, 0.15);
    color: var(--color-danger);
}

/* --- Sidebar --- */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 150;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: rgba(19, 42, 31, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--color-border);
    z-index: 200;
    transform: translateX(-100%);
    transition: transform var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.sidebar-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.sidebar-close:hover {
    background-color: var(--color-surface-hover);
    color: var(--color-text);
}

.nav-list {
    list-style: none;
    padding: var(--space-md);
    flex: 1;
    overflow-y: auto;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.nav-link:hover {
    background-color: var(--color-surface-hover);
    color: var(--color-text);
    transform: translateX(4px);
}

.nav-link.active {
    background-color: var(--color-primary);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
}

.nav-link.active svg {
    stroke: var(--color-highlight);
}

.nav-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-sm) var(--space-md);
}

/* --- Main Content --- */
.main-content {
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
    padding: var(--space-xl);
    animation: var(--anime-fade-in);
}

/* --- Dashboard --- */
.dashboard {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-height) - var(--space-xl) * 2);
}

.dashboard-hero {
    text-align: center;
    width: 100%;
    max-width: 640px;
}

.search-container {
    width: 100%;
}

.search-wrapper {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.search-input {
    width: 100%;
    padding: var(--space-md) var(--space-lg) var(--space-md) calc(var(--space-lg) + 30px);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition-base);
}

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

.search-input:focus {
    border-color: var(--color-highlight);
    box-shadow: 0 0 0 3px rgba(94, 189, 138, 0.15), var(--shadow-glow);
}

.search-input:focus~.search-icon {
    color: var(--color-highlight);
}

.search-input--hero {
    padding: var(--space-lg) var(--space-xl) var(--space-lg) calc(var(--space-xl) + 32px);
    font-size: 1.1rem;
    border-radius: var(--radius-xl);
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border-hover);
}

.search-input--hero:focus {
    box-shadow: 0 0 0 4px rgba(94, 189, 138, 0.2), 0 0 40px rgba(94, 189, 138, 0.1);
    transform: scale(1.01);
}

.search-results {
    position: absolute;
    top: calc(100% + var(--space-sm));
    left: 0;
    right: 0;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 480px;
    overflow-y: auto;
    display: none;
    backdrop-filter: blur(12px);
    text-align: left;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.search-results.active {
    display: block;
}

.search-category {
    padding: var(--space-sm) 0;
}

.search-category-header {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-highlight);
    background: rgba(94, 189, 138, 0.05);
    margin-bottom: var(--space-xs);
}

.search-item {
    padding: var(--space-sm) var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 2px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.search-item:hover {
    background: var(--color-surface-hover);
    border-left-color: var(--color-highlight);
    padding-left: calc(var(--space-md) + 4px);
}

.search-item-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.search-status-pill {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.search-status-pill--open {
    background: rgba(94, 189, 138, 0.1);
    color: var(--color-highlight);
    border: 1px solid rgba(94, 189, 138, 0.2);
}

.search-status-pill--resolved {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

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

.search-empty {
    padding: var(--space-xl);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* --- Page Layout --- */
.page-container {
    max-width: 1200px;
    margin: 0 auto;
}

.page-header {
    margin-bottom: var(--space-xl);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.placeholder-content {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    background: var(--color-surface);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
}

.placeholder-text {
    color: var(--color-text-muted);
    font-size: 1rem;
    font-weight: 500;
}

/* --- Cards --- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    animation: var(--anime-slide-up);
}

.card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-surface-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-primary:hover {
    background: var(--color-primary-light);
    box-shadow: var(--shadow-sm);
}

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

.btn-accent:hover {
    background: var(--color-accent-hover);
    box-shadow: var(--shadow-sm);
}

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

.btn-ghost:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.btn-danger {
    background: rgba(231, 76, 60, 0.15);
    color: var(--color-danger);
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.btn-danger:hover {
    background: rgba(231, 76, 60, 0.25);
}

/* --- Modals --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    width: 80%;
    max-width: 1200px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

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

.modal-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--color-surface-hover);
    color: var(--color-text);
}

.modal-body {
    padding: var(--space-lg);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

/* --- Form Elements --- */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-highlight);
    box-shadow: 0 0 0 3px rgba(94, 189, 138, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239ab5a6' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* --- Tags --- */
.tag-chip {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    background: rgba(94, 189, 138, 0.1);
    border: 1px solid rgba(94, 189, 138, 0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-highlight);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tag-chip:hover {
    background: rgba(94, 189, 138, 0.2);
    border-color: rgba(94, 189, 138, 0.4);
}

/* --- Tabs --- */
.tabs {
    display: flex;
    gap: var(--space-xs);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-xl);
}

.tab {
    padding: var(--space-sm) var(--space-lg);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--color-text-secondary);
}

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

/* --- Utility --- */
.text-muted {
    color: var(--color-text-muted);
}

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .main-content {
        padding: var(--space-md);
    }

    .header-title {
        font-size: 1rem;
    }

    .user-name {
        display: none;
    }

    .search-input--hero {
        font-size: 1rem;
        padding: var(--space-md) var(--space-lg) var(--space-md) calc(var(--space-lg) + 30px);
    }

    .modal {
        width: 95%;
        max-height: 90vh;
    }
}

@media (max-width: 480px) {
    .sidebar {
        width: 100%;
    }
}

/* --- Drag-and-Drop Upload Zone --- */
.drop-zone {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-xl) var(--space-lg);
    border: 2px dashed var(--color-highlight);
    border-radius: 12px;
    background: rgba(94, 189, 138, 0.04);
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
    outline: none;
}

.drop-zone:hover {
    border-color: var(--color-highlight-light);
    background: rgba(94, 189, 138, 0.08);
}

.drop-zone--active {
    border-style: solid;
    border-color: var(--color-highlight-light);
    background: rgba(94, 189, 138, 0.10);
    box-shadow: 0 0 0 4px rgba(94, 189, 138, 0.12), inset 0 0 20px rgba(94, 189, 138, 0.05);
}

.drop-zone__input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.drop-zone__icon {
    color: var(--color-highlight);
    opacity: 0.7;
    margin-bottom: var(--space-xs);
    transition: opacity var(--transition-base);
}

.drop-zone:hover .drop-zone__icon,
.drop-zone--active .drop-zone__icon {
    opacity: 1;
}

.drop-zone__label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.5;
}

.drop-zone__label strong {
    color: var(--color-highlight);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.drop-zone__label strong:hover {
    color: var(--color-highlight-light);
}

.drop-zone__hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-top: var(--space-xs);
}

/* --- Input placeholder contrast --- */
.form-input::placeholder,
.form-textarea::placeholder,
.search-input::placeholder {
    color: var(--color-text-muted);
    opacity: 1;
}

/* Standard line-clamp for compatibility */
.text-clamp-2 {
    line-clamp: 2;
}

.text-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-clamp: 2;
}

/* --- Badges & Indicators --- */
.priority-badge {
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.priority-urgent {
    color: #ff6b6b;
    border-color: rgba(231, 76, 60, 0.4);
}

.priority-high {
    color: #ff9f43;
    border-color: rgba(255, 159, 67, 0.4);
}

.priority-normal {
    color: var(--color-text-secondary);
}

.priority-low {
    color: var(--color-text-muted);
    opacity: 0.8;
}

.document-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 10px;
    background: rgba(94, 189, 138, 0.1);
    border: 1px solid rgba(94, 189, 138, 0.3);
    border-radius: 100px;
    color: var(--color-highlight);
    font-size: 0.75rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.document-badge:hover {
    background: rgba(94, 189, 138, 0.2);
    border-color: var(--color-highlight);
}

.document-badge svg {
    opacity: 0.8;
}

/* --- Image containment inside modals & markdown --- */
.modal img,
.markdown-content img,
.modal-body img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: rgba(0, 0, 0, 0.2);
    cursor: zoom-in;
    margin-top: var(--space-sm);
    transition: opacity 0.2s, border-color 0.2s;
}

/* --- Markdown Content Styling --- */
.markdown-content {
    word-break: break-word;
    line-height: 1.6;
}

.markdown-content p {
    margin-bottom: var(--space-md);
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4 {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--color-text);
    font-weight: 700;
}

.markdown-content h1 {
    font-size: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 4px;
}

.markdown-content h2 {
    font-size: 1.25rem;
}

.markdown-content h3 {
    font-size: 1.1rem;
}

.markdown-content ul,
.markdown-content ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.markdown-content li {
    margin-bottom: var(--space-xs);
}

.markdown-content li>ul,
.markdown-content li>ol {
    margin-top: var(--space-xs);
    margin-bottom: var(--space-xs);
}

.markdown-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    color: var(--color-highlight);
}

.markdown-content pre {
    background: rgba(0, 0, 0, 0.4);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    margin-bottom: var(--space-md);
    overflow-x: auto;
}

.markdown-content pre code {
    background: none;
    padding: 0;
    color: var(--color-text-secondary);
}

.markdown-content blockquote {
    border-left: 4px solid var(--color-highlight);
    padding-left: var(--space-md);
    margin-left: 0;
    margin-bottom: var(--space-md);
    font-style: italic;
    color: var(--color-text-muted);
}

.modal img:hover,
.markdown-content img:hover,
.modal-body img:hover {
    opacity: 0.88;
    border-color: var(--color-highlight);
}

/* --- Paste image preview strip --- */
.paste-preview {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.paste-img {
    width: 100%;
    max-height: 320px;
    object-fit: contain;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: rgba(0, 0, 0, 0.2);
    cursor: zoom-in;
    transition: opacity 0.2s, border-color 0.2s;
}

.paste-img:hover {
    opacity: 0.88;
    border-color: var(--color-highlight);
}

/* --- Global Lightbox --- */
#img-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.88);
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    animation: fadeIn 0.18s ease;
}

#img-lightbox img {
    max-width: 92vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.7);
    cursor: default;
    border: none;
    background: none;
    margin: 0;
}

/* --- Toast UI Editor Terminal Theme Overrides --- */
.toastui-editor-defaultUI {
    border-color: var(--color-border) !important;
    background-color: var(--color-bg-secondary) !important;
    border-radius: var(--radius-md) !important;
    overflow: hidden;
}

.toastui-editor-toolbar {
    background-color: var(--color-bg-secondary) !important;
    border-bottom: 1px solid var(--color-border) !important;
}

.toastui-editor-defaultUI-toolbar button {
    border-color: transparent !important;
    background-color: transparent !important;
    color: var(--color-text-dim) !important;
}

.toastui-editor-defaultUI-toolbar button:hover {
    background-color: rgba(255, 255, 255, 0.05) !important;
    color: var(--color-text-bright) !important;
}

.toastui-editor-main {
    background-color: var(--color-bg-primary) !important;
}

.toastui-editor-main-container {
    color: var(--color-text-bright) !important;
}

.toastui-editor-contents {
    color: var(--color-text-bright) !important;
    font-family: inherit !important;
}

.toastui-editor-md-container,
.toastui-editor-ww-container {
    background-color: var(--color-bg-primary) !important;
}

.ProseMirror {
    color: var(--color-text-bright) !important;
    background-color: transparent !important;
}

.toastui-editor-main .toastui-editor-md-delimiter {
    color: var(--color-highlight) !important;
}

.toastui-editor-main .toastui-editor-md-thematic-break {
    color: var(--color-highlight) !important;
}

.toastui-editor-main .toastui-editor-md-link-text {
    color: var(--color-highlight) !important;
}

.toastui-editor-main .toastui-editor-md-code {
    background-color: rgba(0, 0, 0, 0.3) !important;
    color: var(--color-success) !important;
}

.toastui-editor-dark {
    background-color: var(--color-bg-primary) !important;
}

/* --- Upload Progress Dropdown --- */
.upload-dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.upload-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
}

.upload-dropdown-toggle:hover {
    background-color: var(--color-surface-hover);
    color: var(--color-highlight);
}

.upload-dropdown-toggle.has-active::after {
    content: '';
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    border: 2px solid var(--color-bg);
}

.upload-dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-sm));
    right: 0;
    width: 320px;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    display: none;
    padding: var(--space-md);
    backdrop-filter: blur(12px);
    text-align: left;
}

.upload-dropdown-menu.active {
    display: block;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.upload-progress-header {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    display: flex;
    justify-content: space-between;
}

.upload-progress-list {
    max-height: 300px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.upload-progress-item {
    font-size: 0.85rem;
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.upload-progress-item:last-child {
    border-bottom: none;
}

.upload-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
    align-items: center;
}

.upload-filename {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 210px;
}

.progress-bar-container {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--color-highlight);
    transition: width 0.3s ease;
}

.upload-error-msg {
    font-size: 0.7rem;
    color: var(--color-danger);
    margin-top: 2px;
}

.upload-view-btn {
    font-size: 0.7rem;
    color: var(--color-highlight);
    text-decoration: underline;
}

/* --- Toast Notifications --- */
#toast-container {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    pointer-events: none;
}

.toast {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--color-text-bright);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    min-width: 280px;
    max-width: 400px;
    pointer-events: auto;
    animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transition: all 0.3s ease;
}

.toast.hiding {
    opacity: 0;
    transform: translateX(100%);
}

.toast-icon {
    flex-shrink: 0;
}

.toast-content {
    flex-grow: 1;
}

.toast-message {
    font-size: 0.9rem;
    font-weight: 500;
}

.toast-success {
    border-left: 4px solid var(--color-success);
}

.toast-error {
    border-left: 4px solid var(--color-danger);
}

.toast-info {
    border-left: 4px solid var(--color-highlight);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}