/* Glimmer CSS Design System
   Inspired by Solis "Sunlight & Clarity" (Amber, Gold, Cream, Slate)
   Adapted for Glimmer's URL shortener + pastebin use cases */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;

    /* Warm sunlight colors (Solis palette) */
    --color-bg-base: #fafaf9;
    --color-bg-surface: #ffffff;
    --color-bg-warm: #fef3c7;
    --color-bg-hover: #fffbeb;

    --color-text-main: #1c1917;
    --color-text-muted: #6b6661;
    --color-text-light: #a8a29e;

    --color-brand-primary: #d97706;
    --color-brand-hover: #b45309;
    --color-brand-light: #fef3c7;
    --color-brand-accent: #f59e0b;

    --color-border: #e7e5e4;
    --color-border-warm: #fcd34d;

    /* Semantic colors */
    --color-success: #10b981;
    --color-success-bg: #d1fae5;
    --color-success-text: #065f46;
    --color-danger: #ef4444;
    --color-danger-bg: #fee2e2;
    --color-danger-border: #fca5a5;
    --color-danger-text: #b91c1c;
    --color-danger-text-hover: #991b1b;
    --color-warning: #b45309;
    --color-warning-bg: #fef3c7;
    --color-warning-text: #92400e;
    --color-info: #1e40af;
    --color-info-bg: #dbeafe;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(217, 119, 6, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(217, 119, 6, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
}

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

html, body {
    height: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg-base);
    color: var(--color-text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
}

a {
    color: var(--color-brand-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-brand-hover);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-main);
    font-weight: 700;
    letter-spacing: -0.02em;
}

code, pre, .mono {
    font-family: var(--font-mono);
}

input, button, select, textarea {
    font-family: var(--font-sans);
}

/* ==========================================================================
   Layout
   ========================================================================== */

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

/* Premium Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--color-bg-surface);
    border-right: 1px solid var(--color-border);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    overflow-y: auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    text-decoration: none;
}

.brand-logo {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--color-brand-accent), var(--color-brand-primary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: 0 4px 10px rgba(217, 119, 6, 0.25);
}

.brand-name {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, var(--color-brand-primary), var(--color-text-main));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.nav-link:hover {
    color: var(--color-brand-primary);
    background-color: #fefaf0;
}

.nav-item.active .nav-link {
    color: var(--color-brand-primary);
    background-color: var(--color-brand-light);
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--color-brand-primary);
}

.nav-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-link:hover svg {
    transform: translateX(2px);
}

.nav-link svg, .nav-link:hover svg {
    transition: transform 0.2s ease;
}

.sidebar-footer {
    margin-top: auto;
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Main content area */
.main-wrapper {
    margin-left: 260px;
    flex-grow: 1;
    padding: 2.5rem 3.5rem;
    max-width: 1400px;
    min-height: 100vh;
}

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

.page-title h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.page-title p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

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

/* Public layout (no sidebar) */
.public-layout {
    flex-direction: column;
}

.public-layout .main-wrapper {
    margin-left: 0;
    padding: 2.5rem 2rem;
    max-width: 1200px;
    width: 100%;
    align-self: center;
}

.public-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 3.5rem;
    background-color: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.public-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    line-height: 1.2;
    background: none;
}

.btn-primary {
    background-color: var(--color-brand-primary);
    color: white;
    box-shadow: 0 2px 4px rgba(217, 119, 6, 0.15);
}

.btn-primary:hover {
    background-color: var(--color-brand-hover);
    color: white;
    box-shadow: 0 4px 8px rgba(217, 119, 6, 0.25);
}

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

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

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

.btn-danger:hover {
    background-color: #fecaca;
    color: var(--color-danger-text-hover);
}

.btn-success-outline {
    background-color: var(--color-bg-surface);
    border-color: var(--color-success);
    color: var(--color-success);
}

.btn-success-outline:hover {
    background-color: var(--color-success-bg);
    color: var(--color-success-text);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 0.35rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    color: var(--color-brand-primary);
    background-color: var(--color-brand-light);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-warm);
}

.card-flush {
    padding: 0;
    overflow: hidden;
}

.card-header {
    padding: 1.25rem 1.75rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin: 0;
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.2rem;
}

.card-body {
    padding: 1.5rem 1.75rem;
}

.card-footer {
    padding: 1rem 1.75rem;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-base);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.form-control,
input[type="text"],
input[type="url"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: 0.625rem 1rem;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-surface);
    color: var(--color-text-main);
    transition: all 0.2s ease;
    font-family: var(--font-sans);
}

.form-control:focus,
input[type="text"]:focus,
input[type="url"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="search"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-brand-primary);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

textarea {
    resize: vertical;
    min-height: 100px;
    font-family: var(--font-mono);
    line-height: 1.6;
}

input[type="checkbox"],
input[type="radio"] {
    accent-color: var(--color-brand-primary);
    cursor: pointer;
}

input[type="file"] {
    font-family: var(--font-sans);
    font-size: 0.9rem;
}

.form-help {
    display: block;
    margin-top: 0.35rem;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

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

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem 1.5rem;
    margin-bottom: 1.5rem;
}

legend {
    padding: 0 0.5rem;
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

fieldset label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0;
    font-size: 0.95rem;
    color: var(--color-text-main);
    cursor: pointer;
}

/* ==========================================================================
   Tables (data-table — Solis style)
   ========================================================================== */

.data-table-wrapper {
    overflow-x: auto;
    width: 100%;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.data-table th {
    padding: 1rem 1.25rem;
    font-weight: 600;
    color: var(--color-text-muted);
    border-bottom: 2px solid var(--color-border);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: var(--color-bg-base);
    white-space: nowrap;
}

.data-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
    color: var(--color-text-main);
}

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

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

.data-table td a {
    font-weight: 600;
    color: var(--color-brand-primary);
}

.data-table .col-actions {
    text-align: right;
    width: 1px;
    white-space: nowrap;
}

.data-table .col-numeric {
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

.data-table .col-mono {
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.data-table td code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background: var(--color-bg-base);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    color: var(--color-text-main);
}

/* ==========================================================================
   Tags / Badges
   ========================================================================== */

.tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    background-color: var(--color-bg-base);
    color: var(--color-text-main);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-format {
    background-color: var(--color-bg-warm);
    color: var(--color-brand-hover);
}

.badge-public {
    background-color: var(--color-success-bg);
    color: var(--color-success-text);
}

.badge-token {
    background-color: var(--color-warning-bg);
    color: var(--color-warning-text);
}

.badge-hidden {
    background-color: #f3f4f6;
    color: #374151;
}

.ext-chip {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background-color: var(--color-text-main);
    color: white;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ==========================================================================
   Stats Bar
   ========================================================================== */

.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stats-card {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 60%, rgba(217, 119, 6, 0.04) 100%);
    pointer-events: none;
}

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

.stats-value {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-text-main);
    letter-spacing: -0.03em;
    line-height: 1;
}

.stats-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   Quick Links Tile Grid
   ========================================================================== */

.tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.tile {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    text-decoration: none;
    color: var(--color-text-main);
    transition: all 0.25s ease;
    box-shadow: var(--shadow-sm);
    min-height: 90px;
}

.tile:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-warm);
    color: var(--color-text-main);
    transform: translateY(-2px);
}

.tile-slug {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-brand-primary);
    word-break: break-all;
}

.tile-dest {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.tile-clicks {
    font-size: 0.75rem;
    color: var(--color-text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: auto;
}

/* ==========================================================================
   Paste Cards (Masonry-ish grid)
   ========================================================================== */

.paste-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.paste-card {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: all 0.25s ease;
    text-decoration: none;
    color: var(--color-text-main);
    cursor: pointer;
    position: relative;
}

.paste-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border-warm);
    color: var(--color-text-main);
    transform: translateY(-3px);
}

.paste-card-thumb {
    width: 100%;
    height: 160px;
    background-color: var(--color-bg-base);
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.paste-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.paste-card:hover .paste-card-thumb img {
    transform: scale(1.05);
}

.paste-card-thumb-empty {
    color: var(--color-text-light);
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    padding: 1rem;
}

.paste-card-body {
    padding: 1.1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.paste-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

.paste-card-summary {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.paste-card-meta {
    margin-top: auto;
    padding-top: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: center;
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.paste-card-date {
    margin-left: auto;
    font-weight: 500;
    color: var(--color-text-muted);
}

.paste-card-actions {
    display: flex;
    gap: 0.35rem;
    padding: 0 1.25rem 1.1rem;
    flex-wrap: wrap;
}

.paste-card-actions .btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.8rem;
}

/* ==========================================================================
   Alerts / Banners
   ========================================================================== */

.alert {
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border: 1px solid transparent;
}

.alert-success {
    background-color: var(--color-success-bg);
    border-color: var(--color-success);
    color: var(--color-success-text);
}

.alert-error {
    background-color: var(--color-danger-bg);
    border-color: var(--color-danger-border);
    color: var(--color-danger-text);
}

.alert-info {
    background-color: var(--color-info-bg);
    border-color: var(--color-info);
    color: var(--color-info);
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--color-text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    line-height: 1;
    margin-bottom: 0.75rem;
    opacity: 0.5;
    display: block;
}

.empty-state-text {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.empty-state-action {
    margin-top: 1rem;
    display: inline-block;
}

/* ==========================================================================
   Login Page
   ========================================================================== */

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--color-bg-base);
    padding: 1.5rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header .brand {
    justify-content: center;
    margin-bottom: 1.25rem;
}

.login-header h2 {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.01em;
    margin-bottom: 0.25rem;
}

.login-header p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   Result Box (short URL display on index)
   ========================================================================== */

.result-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--color-bg-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    margin: 0.75rem 0;
    flex-wrap: wrap;
}

.result-box code {
    flex-grow: 1;
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-brand-primary);
    background: none;
    padding: 0.25rem 0.5rem;
    word-break: break-all;
}

.result-box button {
    flex-shrink: 0;
}

.qr-display {
    text-align: center;
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--color-bg-base);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.qr-display svg {
    max-width: 200px;
    height: auto;
}

/* ==========================================================================
   Paste Viewer (bin_view)
   ========================================================================== */

.paste-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.paste-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.4rem;
    word-break: break-word;
}

.paste-meta {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.75rem;
    align-items: center;
}

.paste-meta code {
    font-size: 0.85rem;
    background: var(--color-bg-base);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
}

.paste-toolbar {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.paste-body {
    line-height: 1.7;
    font-size: 1rem;
    color: var(--color-text-main);
}

.paste-body h1, .paste-body h2, .paste-body h3, .paste-body h4 {
    margin-top: 1.5em;
    margin-bottom: 0.6em;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.paste-body h1 { font-size: 1.75rem; }
.paste-body h2 { font-size: 1.4rem; }
.paste-body h3 { font-size: 1.15rem; }
.paste-body h4 { font-size: 1rem; }

.paste-body p {
    margin-bottom: 1em;
}

.paste-body pre {
    background-color: var(--color-bg-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.25em;
}

.paste-body code {
    background-color: var(--color-bg-base);
    padding: 0.1em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: var(--font-mono);
}

.paste-body pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: inherit;
}

.paste-body blockquote {
    border-left: 3px solid var(--color-brand-accent);
    padding-left: 1rem;
    margin: 1em 0;
    color: var(--color-text-muted);
    font-style: italic;
}

.paste-body table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
    font-size: 0.95rem;
}

.paste-body th,
.paste-body td {
    border: 1px solid var(--color-border);
    padding: 0.6rem 0.85rem;
    text-align: left;
}

.paste-body th {
    background-color: var(--color-bg-base);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

.paste-body ul, .paste-body ol {
    padding-left: 1.5em;
    margin-bottom: 1em;
}

.paste-body li {
    margin-bottom: 0.3em;
}

.paste-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.paste-body a {
    color: var(--color-brand-primary);
    text-decoration: underline;
    text-decoration-color: rgba(217, 119, 6, 0.4);
    text-underline-offset: 2px;
}

.paste-body a:hover {
    text-decoration-color: var(--color-brand-primary);
}

.paste-body hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 1.5em 0;
}

/* ==========================================================================
   Section Header (card title + right action)
   ========================================================================== */

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

.section-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin: 0;
}

.section-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.2rem;
}

/* ==========================================================================
   Filter bar
   ========================================================================== */

.filter-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    align-items: center;
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
}

.filter-bar input {
    flex-grow: 1;
    border: none;
    padding: 0.4rem 0.5rem;
    background: none;
    font-size: 0.95rem;
}

.filter-bar input:focus {
    box-shadow: none;
    outline: none;
}

/* ==========================================================================
   Upload controls
   ========================================================================== */

.upload-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.upload-status {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-left: 0.5rem;
}

/* ==========================================================================
   QR Modal
   ========================================================================== */

.qr-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
}

.qr-modal-overlay.show {
    display: flex;
    animation: qrOverlayIn 0.2s ease;
}

.qr-modal-card {
    background: var(--color-bg-surface);
    border-radius: 16px;
    padding: 2.5rem 2rem 2rem;
    max-width: 380px;
    width: 90%;
    box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    animation: qrModalIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.qr-modal-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
    line-height: 1;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.qr-modal-close:hover {
    color: var(--color-text-main);
    background: var(--color-bg-base);
}

.qr-modal-card h3 {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-text-main);
    margin: 0;
}

.qr-modal-image {
    width: 220px;
    height: 220px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #fff;
    padding: 8px;
}

.qr-modal-link {
    font-family: var(--font-mono);
    background: var(--color-bg-base);
    padding: 0.4rem 0.85rem;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    font-weight: 600;
    font-size: 0.9rem;
    word-break: break-all;
    text-align: center;
    color: var(--color-text-main);
}

@keyframes qrOverlayIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes qrModalIn {
    from { opacity: 0; transform: scale(0.92) translateY(12px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ==========================================================================
   Preview Dialog (paste iframe viewer)
   ========================================================================== */

.preview-dialog {
    border: none;
    padding: 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-width: 1100px;
    width: 95vw;
    height: 80vh;
    max-height: 90vh;
    background: var(--color-bg-surface);
    color: var(--color-text-main);
    /* Explicit centering — don't rely on the browser's `inset:0; margin:auto` default,
       which can fight with our `display: flex` override. */
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    flex-direction: column;
    overflow: hidden;
    /* Hidden by default — let the <dialog> UA style apply (display: none)
       so the dialog only shows up when JS calls .showModal() (which adds [open]). */
}

.preview-dialog[open] {
    display: flex;
}

.preview-dialog.expanded {
    max-width: 95vw;
    width: 95vw;
    height: 92vh;
}

.preview-dialog::backdrop {
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.preview-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-surface);
    flex-shrink: 0;
}

.preview-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-text-main);
    flex-grow: 1;
    margin-right: 1rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.preview-actions {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
}

.preview-frame {
    flex-grow: 1;
    width: 100%;
    border: none;
    background: white;
}

/* Generic dialog styling for resize modal */
dialog {
    border: none;
    padding: 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    background: var(--color-bg-surface);
    color: var(--color-text-main);
}

dialog::backdrop {
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

dialog article {
    padding: 1.5rem;
    min-width: 320px;
    max-width: 500px;
}

dialog article > header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding: 0;
    border: none;
}

dialog article > header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
}

dialog article > footer {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 1.25rem;
    padding: 0;
}

dialog article > header button[aria-label="Close"] {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

dialog article > header button[aria-label="Close"]:hover {
    background: var(--color-bg-base);
    color: var(--color-text-main);
}

/* ==========================================================================
   Page header utility (e.g. "Page Not Found")
   ========================================================================== */

.center-page {
    text-align: center;
    padding: 4rem 1.5rem 2rem;
    max-width: 640px;
    margin: 0 auto;
}

.center-page .big-number {
    font-size: 8rem;
    line-height: 1;
    margin: 0;
    font-weight: 800;
    color: var(--color-text-light);
    opacity: 0.25;
    letter-spacing: -0.05em;
}

.center-page h2 {
    margin-top: 0.5rem;
    font-size: 1.75rem;
}

.center-page p {
    color: var(--color-text-muted);
    margin: 0.75rem 0 1.5rem;
}

.center-page .action {
    margin-top: 1.5rem;
}

/* ==========================================================================
   Misc utilities
   ========================================================================== */

.text-muted { color: var(--color-text-muted); }
.text-mono  { font-family: var(--font-mono); }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.max-w-200 { max-width: 200px; }
.max-w-300 { max-width: 300px; }
.max-w-400 { max-width: 400px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 1.5rem 0;
}

.hidden { display: none !important; }
.flex  { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding: 1.25rem;
    }
    .main-wrapper {
        margin-left: 0;
        padding: 1.5rem;
    }
    .app-container {
        flex-direction: column;
    }
    .sidebar-footer {
        margin-top: 1rem;
        padding-top: 1rem;
    }
    .public-header {
        padding: 1rem 1.5rem;
    }
    .paste-grid {
        grid-template-columns: 1fr;
    }
    .tile-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}