@font-face {
    font-family: "Inter";
    src: url("/static/fonts/inter-400.woff2") format("woff2");
    font-style: normal;
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: "Inter";
    src: url("/static/fonts/inter-500.woff2") format("woff2");
    font-style: normal;
    font-weight: 500;
    font-display: swap;
}

@font-face {
    font-family: "Inter";
    src: url("/static/fonts/inter-600.woff2") format("woff2");
    font-style: normal;
    font-weight: 600;
    font-display: swap;
}

@font-face {
    font-family: "JetBrains Mono";
    src: url("/static/fonts/jetbrains-mono-400.woff2") format("woff2");
    font-style: normal;
    font-weight: 400;
    font-display: swap;
}

:root {
    /* Color Palette - Studio Dark */
    --bg-app: #0e1012;
    --bg-surface: #1a1c1e;
    --bg-surface-alt: #212427;
    
    --text-main: #e2e2e6;
    --text-muted: #9ba3af;
    --text-on-accent: #000000;

    --bg-input: #000000;
    --text-input: #ffffff;
    --text-input-placeholder: #9ba3af;
    --bg-preview: #000000;
    --text-preview: var(--text-muted);
    
    --accent: #8ab4f8;
    --accent-hover: #aecbfa;
    --accent-soft: rgba(138, 180, 248, 0.1);
    
    --border: #33373b;
    --border-hover: #44494e;
    --border-focus: var(--accent);
    --bg-surface-hover: #2d3135;

    --bg-notification: #2d2f31;
    --text-notification: #ffffff;
    --border-notification: var(--border);
    
    --error: #f28b82;
    --success: #81c995;

    /* Spacing Scale (8px) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-6: 24px;
    --space-8: 32px;
    --space-12: 48px;

    /* Code Surface & Lines (Dark) */
    --bg-code-surface: #1e222a;
    --bg-code-lines: #181b21;
    --border-code-lines: #2e3440;
    --text-code-main: #e2e8f0;
    --text-code-lines: #6b7280;
    --bg-line-hover: rgba(255, 255, 255, 0.05);
    --bg-line-active: rgba(138, 180, 248, 0.15);

    /* Typography */
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "JetBrains Mono", "Roboto Mono", Menlo, Consolas, monospace;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,.30), 0 1px 3px 1px rgba(0,0,0,.15);
    --shadow-md: 0 4px 8px 3px rgba(0,0,0,.30);
    
    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

[data-theme="light"],
html[data-design="light"] {
    /* Color Palette - Warm Linen Light */
    --bg-app: #e9e2d8;
    --bg-surface: #f3eee7;
    --bg-surface-alt: #e6ddd2;

    --bg-input: #f8f3eb;
    --text-input: #302b25;
    --text-input-placeholder: #7a6e62;
    --bg-preview: #ebe2d7;
    --text-preview: #625951;
    
    --bg-code-surface: #f8f3eb;
    --bg-code-lines: #e8dfd4;
    --border-code-lines: #c4b7a7;
    --text-code-main: #302b25;
    --text-code-lines: #756b60;
    --bg-line-hover: rgba(123, 96, 69, 0.1);
    --bg-line-active: rgba(23, 107, 98, 0.14);
    
    --text-main: #302b25;
    --text-muted: #625951;
    --text-on-accent: #fffaf3;
    
    --accent: #176b62;
    --accent-hover: #0f554e;
    --accent-soft: rgba(23, 107, 98, 0.14);
    
    --border: #c9bdaf;
    --border-hover: #998775;
    --border-focus: var(--accent);
    --bg-surface-hover: #ddd3c7;

    --bg-notification: #2f3c38;
    --text-notification: #fffaf3;
    --border-notification: #52645c;
    
    --error: #b53e43;
    --success: #2d7650;

    --shadow-sm: 0 4px 12px -4px rgba(74, 57, 40, 0.16), 0 2px 4px -1px rgba(74, 57, 40, 0.08);
    --shadow-md: 0 12px 28px -8px rgba(74, 57, 40, 0.2), 0 5px 12px -3px rgba(74, 57, 40, 0.1);
}

/* Reset & Base */
* { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-app);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: color-mix(in srgb, var(--accent) 22%, transparent);
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* Header */
.site-header {
    height: calc(68px + env(safe-area-inset-top, 0px));
    padding-top: env(safe-area-inset-top, 0px);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: transform 0.3s ease, opacity 0.3s ease;
    will-change: transform;
}

.site-header.is-hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.header-container {
    max-width: 1400px; /* Wider header */
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.brand-mark {
    position: relative;
    width: 58px;
    height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.brand-mark::before {
    content: "";
    position: absolute;
    inset: -6px;
    border-radius: 999px;
    background:
        radial-gradient(circle,
        rgba(255, 255, 255, 0.58) 0%,
        rgba(255, 255, 255, 0.34) 26%,
        rgba(255, 255, 255, 0.16) 48%,
        rgba(255, 255, 255, 0.07) 66%,
        rgba(255, 255, 255, 0) 86%);
    transform: scale(1.64);
    filter: blur(12px);
    opacity: 1;
    pointer-events: none;
}

.brand-mark::after {
    content: "";
    position: absolute;
    inset: 6px;
    border-radius: 999px;
    background:
        radial-gradient(circle,
        rgba(255, 255, 255, 0.28) 0%,
        rgba(255, 255, 255, 0.12) 42%,
        rgba(255, 255, 255, 0) 74%);
    transform: scale(1.18);
    opacity: 0.95;
    pointer-events: none;
}

.brand-logo {
    width: auto;
    height: 54px;
    max-width: 54px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    display: block;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 3px 12px rgba(255, 192, 82, 0.16));
}

.brand-wordmark {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-main);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

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

.site-header .header-icon-mono {
    width: 18px;
    height: 18px;
    object-fit: contain;
    filter: grayscale(1);
}

.site-header .icon-svg {
    fill: currentColor;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: 36px;
    padding: 0 var(--space-4);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    touch-action: manipulation;
}

.btn-icon-only {
    width: 36px;
    padding: 0;
}

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

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

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

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

/* Ghost icon buttons: transparent by default, border feedback on press */
.btn-ghost {
    background-color: transparent;
    color: var(--text-main);
    border-color: transparent;
    box-shadow: none;
}

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

.btn-ghost:active,
.btn-ghost.is-pressed {
    background-color: var(--bg-surface-alt);
    border-color: var(--accent);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent);
    transform: scale(0.96);
    transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
}

.icon-badge {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    flex-shrink: 0;
}

.icon-badge-plain {
    background: transparent;
    color: inherit;
    border-radius: 0;
    box-shadow: none;
}

.icon-svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.btn-icon-image {
    width: 18px;
    height: 18px;
    object-fit: contain;
    display: block;
}

.btn-icon-image-copy {
    width: 17px;
    height: 17px;
}

.btn-icon-image-save {
    width: 18px;
    height: 18px;
    filter: none;
}

.btn-icon-image-list {
    width: 18px;
    height: 18px;
}

.btn-icon-image-telegram {
    width: 18px;
    height: 18px;
}

/* Semantic source subtree consumed by the Telegram Instant View template. */
.iv-source {
    display: none;
}

/* Layout */
.container {
    flex: 1;
    width: 100%;
    max-width: 1400px; /* Wider container for content */
    margin: 0 auto;
    padding: var(--space-4);
}

.site-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-surface);
    margin-top: auto;
    transition: opacity 0.15s ease;
    opacity: 1;
}

.site-footer.is-hidden {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.site-footer-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-4);
}

.site-footer-text {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.8125rem;
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.35rem 0.75rem;
}

.footer-copy,
.footer-links {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.35rem 0.75rem;
}

.site-footer-text a {
    color: var(--accent);
    text-decoration: none;
}

.site-footer-text a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Footer text-style button (changelog opener) */
.site-footer-text .link-btn {
    appearance: none;
    border: 0;
    background: none;
    padding: 0.35rem 0.15rem;
    margin: 0;
    color: var(--accent);
    font: inherit;
    cursor: pointer;
    text-decoration: none;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    touch-action: manipulation;
}

.site-footer-text .link-btn:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Changelog modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: rgba(8, 10, 12, 0.62);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

.modal-backdrop.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.modal-dialog {
    width: min(42rem, 100%);
    max-height: min(85vh, 720px);
    display: flex;
    flex-direction: column;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-surface-alt);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
}

.modal-close {
    appearance: none;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.modal-body {
    padding: var(--space-4);
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

.modal-body .markdown-body {
    max-width: none;
}

.modal-body .modal-status {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

body.modal-open {
    overflow: hidden;
}

/* Legacy full-page card (unused but keep styles for safety) */
.changelog-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.changelog-card-header {
    padding: var(--space-3) var(--space-4);
    background: var(--bg-surface-alt);
    border-bottom: 1px solid var(--border);
}

.changelog-card-header h1 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.changelog-card-header p {
    margin: var(--space-1) 0 0;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.changelog-body {
    padding: var(--space-4);
}

.changelog-body .markdown-body {
    max-width: 52rem;
    margin: 0 auto;
}

/* Editor Card */
.editor-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.editor-card-header {
    padding: var(--space-3) var(--space-4);
    background: var(--bg-surface-alt);
    border-bottom: 1px solid var(--border);
}

.editor-card-header h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.editor-card-header p {
    margin: var(--space-1) 0 0;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.form-container {
    padding: var(--space-4);
}

textarea {
    width: 100%;
    min-height: clamp(560px, calc(100vh - 260px), 760px);
    padding: var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--bg-input);
    color: var(--text-input);
    font-family: var(--font-mono);
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    transition: border-color 0.2s;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
}

textarea:focus {
    border-color: var(--accent);
}

textarea::placeholder {
    color: var(--text-input-placeholder);
    opacity: 1;
}

.form-actions {
    margin-top: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    justify-content: flex-end;
}

.form-hint {
    margin-right: auto;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

/* Paste View */
.paste-header {
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.paste-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.paste-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.paste-meta a,
.site-footer-text a {
    color: var(--accent);
}

.short-url-editor {
    position: relative;
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    color: var(--accent);
    font-family: var(--font-mono);
    white-space: nowrap;
    overflow: visible;
}

.short-url-edit-wrap {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    white-space: nowrap;
    overflow: visible;
}

/* Mirror for measuring slug text width (same font metrics as the input). */
.short-url-slug-sizer {
    position: absolute;
    visibility: hidden;
    pointer-events: none;
    height: 0;
    overflow: hidden;
    white-space: pre;
    font: inherit;
    font-family: var(--font-mono);
}

.short-url-editor input#short-url-slug {
    display: inline-block;
    /* content-box: width = text only; padding/border sit outside so glyphs are not clipped */
    box-sizing: content-box;
    width: 4ch;
    min-width: 4ch;
    max-width: min(36rem, 70vw);
    padding: 2px 8px;
    margin: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    outline: none;
    background: transparent;
    color: var(--accent);
    font: inherit;
    font-family: var(--font-mono);
    letter-spacing: inherit;
    transition: border-color 0.2s;
    overflow: visible;
    /* Modern browsers: auto-grow without JS; JS sizer remains as fallback */
    field-sizing: content;
}

.short-url-editor input#short-url-slug:focus {
    border-color: var(--accent);
    background: transparent;
}

#short-url-slug-display {
    white-space: pre;
}

/* Hover tooltip — same surface language as notifications */
.short-url-link[data-tooltip] {
    position: relative;
}

.short-url-link[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    transform: translateX(-50%) translateY(4px);
    padding: var(--space-1) var(--space-3);
    border-radius: 20px;
    border: 1px solid var(--border-notification);
    background: var(--bg-notification);
    color: var(--text-notification);
    box-shadow: var(--shadow-sm);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1.3;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
    z-index: 20;
}

.short-url-link[data-tooltip]:hover::after,
.short-url-link[data-tooltip]:focus-visible::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.paste-meta a:hover,
.site-footer-text a:hover,
.markdown-body a:hover {
    color: var(--accent-hover);
}

.paste-meta-actions {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.btn-raw {
    width: auto;
    min-width: 36px;
    padding: 0 8px;
}

.raw-btn-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 1;
    color: var(--text-main);
}

.paste-language-badge {
    color: var(--accent);
}

.paste-language-badge-clickable {
    background: transparent;
    border: none;
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    transition: background-color 0.15s ease, color 0.15s ease;
}

.paste-language-badge-clickable:hover {
    background-color: var(--accent-soft);
    color: var(--accent-hover);
}

.paste-container {
    background: var(--bg-code-surface);
    color: var(--text-code-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: auto;
    width: 100%;
    max-width: 100%;
    box-shadow: var(--shadow-sm);
}

.paste-line {
    display: grid;
    grid-template-columns: 60px 1fr;
    min-width: 0;
    width: 100%;
}

.paste-line:hover {
    background: var(--bg-line-hover);
}

.paste-line.is-active,
.paste-line:target {
    background: var(--bg-line-active);
}

.paste-line-number {
    padding: var(--space-1) var(--space-2);
    text-align: right;
    color: var(--text-code-lines);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    border-right: 1px solid var(--border-code-lines);
    user-select: none;
    background: var(--bg-code-lines);
    transition: background 0.15s ease, color 0.15s ease;
}

.paste-line-text {
    padding: var(--space-1) var(--space-4);
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
    color: var(--text-code-main);
}

.paste-line-text .c,
.paste-line-text .ch,
.paste-line-text .cm,
.paste-line-text .cpf,
.paste-line-text .c1,
.paste-line-text .cs {
    color: #616E87;
    font-style: italic;
}

.paste-line-text .cp {
    color: #5E81AC;
    font-style: italic;
}

.paste-line-text .k,
.paste-line-text .kc,
.paste-line-text .kd,
.paste-line-text .kn,
.paste-line-text .kr,
.paste-line-text .o,
.paste-line-text .ow {
    color: #81A1C1;
    font-weight: 700;
}

.paste-line-text .kp,
.paste-line-text .kt,
.paste-line-text .nb,
.paste-line-text .bp,
.paste-line-text .nt {
    color: #81A1C1;
}

.paste-line-text .s,
.paste-line-text .sa,
.paste-line-text .sb,
.paste-line-text .sc,
.paste-line-text .dl,
.paste-line-text .sh,
.paste-line-text .si,
.paste-line-text .sx,
.paste-line-text .s1,
.paste-line-text .s2,
.paste-line-text .ss {
    color: #A3BE8C;
}

.paste-line-text .sd {
    color: #616E87;
}

.paste-line-text .se,
.paste-line-text .sr {
    color: #EBCB8B;
}

.paste-line-text .m,
.paste-line-text .mb,
.paste-line-text .mf,
.paste-line-text .mh,
.paste-line-text .mi,
.paste-line-text .mo,
.paste-line-text .il {
    color: #B48EAD;
}

.paste-line-text .na,
.paste-line-text .nc,
.paste-line-text .no,
.paste-line-text .nn {
    color: #8FBCBB;
}

.paste-line-text .nd,
.paste-line-text .ni {
    color: #D08770;
}

.paste-line-text .err,
.paste-line-text .gd,
.paste-line-text .gr,
.paste-line-text .gt,
.paste-line-text .ne {
    color: #BF616A;
}

.paste-line-text .nf,
.paste-line-text .fm,
.paste-line-text .gh,
.paste-line-text .gu {
    color: #88C0D0;
}

.paste-line-text .gh,
.paste-line-text .gu {
    font-weight: 700;
}

.paste-line-text .gi {
    color: #A3BE8C;
}

.paste-line-text .ge {
    font-style: italic;
}

.paste-line-text .gs {
    font-weight: 700;
}

/* Paste List */
.paste-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-4);
}

.paste-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    transition: all 0.2s;
}

.paste-card-main {
    display: block;
    color: inherit;
    text-decoration: none;
}

.paste-card:hover {
    border-color: var(--accent);
    background: var(--bg-surface-alt);
    transform: translateY(-2px);
}

.paste-card-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-2);
    min-width: 0;
}

.paste-card-title {
    font-weight: 600;
    color: var(--accent);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.paste-card-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

.paste-card-preview {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background: var(--bg-preview);
    color: var(--text-preview);
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: var(--space-2) 0;
    border: 1px solid var(--border);
}

.paste-day-heading {
    margin: var(--space-6) 0 var(--space-3);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
}

.paste-list-page > .paste-day-heading:first-child {
    margin-top: 0;
}

.paste-card-footer {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-2);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.paste-card-short-url {
    color: var(--accent);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.paste-card-actions {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin-left: auto;
}

.list-pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.short-url-icon {
    width: 16px;
    height: 16px;
    object-fit: contain;
    flex-shrink: 0;
}

.favorite-heart {
    width: 18px;
    height: 18px;
    object-fit: contain;
    filter: none;
}

/* Notification */
.notification {
    position: fixed;
    bottom: calc(var(--space-8) + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    max-width: min(92vw, 28rem);
    background: var(--bg-notification);
    color: var(--text-notification);
    padding: var(--space-2) var(--space-6);
    border-radius: 20px;
    font-size: 0.875rem;
    box-shadow: var(--shadow-md);
    z-index: 1000;
    display: none;
    animation: slideUp 0.3s ease-out;
    border: 1px solid var(--border-notification);
    text-align: center;
}

@keyframes slideUp {
    from { transform: translate(-50%, 20px); opacity: 0; }
    to { transform: translate(-50%, 0); opacity: 1; }
}

@media (max-width: 640px) {
    body { overflow-x: hidden; }

    .site-header {
        height: calc(56px + env(safe-area-inset-top, 0px));
    }
    .brand-wordmark { display: none; }
    .brand-mark {
        width: 44px;
        height: 44px;
    }
    .brand-mark::before {
        inset: -2px;
        transform: scale(1.2);
        filter: blur(8px);
    }
    .brand-logo {
        height: 40px;
        max-width: 40px;
    }
    .header-container {
        width: 100%;
        max-width: 100%;
        padding: 0 var(--space-2);
    }
    .header-actions .btn,
    .theme-toggle-btn {
        width: 44px;
        height: 44px;
        padding: 0;
    }
    .header-actions .btn span { display: none; }

    .container {
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: var(--space-2);
        padding-bottom: calc(var(--space-2) + env(safe-area-inset-bottom, 0px));
    }
    .editor-card {
        width: 100%;
        max-width: 100%;
        border-radius: var(--radius-md);
    }
    .editor-card-header {
        padding: var(--space-2) var(--space-3);
    }
    .form-container {
        padding: var(--space-2);
    }
    textarea {
        min-height: clamp(240px, calc(100dvh - 260px), 440px);
        padding: var(--space-3);
        font-size: 16px; /* iOS does not zoom focused fields at 16px */
        border-radius: var(--radius-sm);
        white-space: pre-wrap;
        word-break: break-word;
        overflow-wrap: anywhere;
    }
    .form-actions {
        justify-content: stretch;
        gap: var(--space-2);
        margin-top: var(--space-3);
    }
    .form-hint {
        display: none; /* Ctrl+Enter is a desktop shortcut */
    }
    .form-actions .btn {
        flex: 0 0 auto;
        width: auto;
        height: 44px;
        padding: 0 var(--space-4);
    }

    .paste-list {
        grid-template-columns: 1fr;
    }
    .paste-container {
        border-radius: var(--radius-sm);
        width: 100%;
        max-width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .paste-line {
        grid-template-columns: 36px 1fr;
        min-width: 0;
        width: 100%;
    }
    .paste-line-number {
        padding: var(--space-1) 2px;
        font-size: 0.75rem;
    }
    .paste-line-text {
        padding: var(--space-1) var(--space-2);
        font-size: 0.85rem;
        white-space: pre-wrap;
        word-break: break-word;
        overflow-wrap: anywhere;
    }
    .paste-header {
        gap: var(--space-2);
        margin-bottom: var(--space-2);
        padding: 0;
    }
    .paste-meta {
        width: 100%;
        gap: var(--space-2);
    }
    .paste-meta-item {
        max-width: 100%;
        min-width: 0;
    }
    .paste-meta-actions {
        margin-left: auto;
        flex-wrap: wrap;
    }
    .paste-meta-actions .btn,
    .paste-meta-actions .btn-raw {
        width: 44px;
        min-width: 44px;
        height: 44px;
    }
    .short-url-editor,
    .short-url-link,
    .short-url-edit-wrap {
        max-width: 100%;
        white-space: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .short-url-editor input#short-url-slug {
        max-width: min(16rem, 58vw);
        font-size: 16px;
    }
    .short-url-link[data-tooltip]::after {
        display: none;
    }
    .markdown-view-card {
        padding: var(--space-3);
        border-radius: var(--radius-sm);
    }
    .markdown-body {
        overflow-wrap: anywhere;
        word-break: break-word;
    }
    .markdown-body h1 { font-size: 1.35rem; }
    .markdown-body h2 { font-size: 1.15rem; }
    .markdown-body pre,
    .markdown-body table {
        white-space: pre-wrap;
        word-break: break-word;
        overflow-wrap: anywhere;
        padding: var(--space-2);
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .mermaid-wrap {
        padding: var(--space-2);
        margin: 1em 0;
    }

    .modal-backdrop {
        padding: env(safe-area-inset-top, 0px) var(--space-2) env(safe-area-inset-bottom, 0px);
        align-items: stretch;
    }
    .modal-dialog {
        width: 100%;
        max-height: none;
        height: 100%;
        border-radius: var(--radius-md);
    }

    .site-footer-container {
        width: 100%;
        max-width: 100%;
        padding: var(--space-2) var(--space-3) calc(var(--space-2) + env(safe-area-inset-bottom, 0px));
    }
    .site-footer-text {
        font-size: 0.75rem;
        gap: 0.15rem 0.5rem;
    }
    .notification {
        left: var(--space-3);
        right: var(--space-3);
        transform: none;
        max-width: none;
        bottom: calc(var(--space-4) + env(safe-area-inset-bottom, 0px));
        animation-name: slideUpMobile;
    }
}

@keyframes slideUpMobile {
    from { transform: translateY(16px); opacity: 0; }
    to { transform: none; opacity: 1; }
}

@media (pointer: coarse) {
    .btn,
    .theme-toggle-btn,
    .paste-language-badge-clickable,
    .paste-line-number {
        touch-action: manipulation;
    }
    .paste-line-number {
        min-height: 28px;
        display: flex;
        align-items: center;
        justify-content: flex-end;
    }
}

/* Light Mode Pygments Syntax Highlighting & Theme Extras */
[data-theme="light"] .paste-line-text .k,
[data-theme="light"] .paste-line-text .kc,
[data-theme="light"] .paste-line-text .kd,
[data-theme="light"] .paste-line-text .kn,
[data-theme="light"] .paste-line-text .kp,
[data-theme="light"] .paste-line-text .kr,
[data-theme="light"] .paste-line-text .kt,
[data-theme="light"] .paste-line-text .o,
[data-theme="light"] .paste-line-text .ow {
    color: #9f3f53;
    font-weight: 600;
}

[data-theme="light"] .paste-line-text .cp {
    color: #9a581a;
    font-style: italic;
}

[data-theme="light"] .paste-line-text .nb,
[data-theme="light"] .paste-line-text .bp,
[data-theme="light"] .paste-line-text .nt {
    color: #176b62;
}

[data-theme="light"] .paste-line-text .s,
[data-theme="light"] .paste-line-text .sa,
[data-theme="light"] .paste-line-text .sb,
[data-theme="light"] .paste-line-text .sc,
[data-theme="light"] .paste-line-text .dl,
[data-theme="light"] .paste-line-text .sd,
[data-theme="light"] .paste-line-text .s2,
[data-theme="light"] .paste-line-text .se,
[data-theme="light"] .paste-line-text .sh,
[data-theme="light"] .paste-line-text .si,
[data-theme="light"] .paste-line-text .sx,
[data-theme="light"] .paste-line-text .s1,
[data-theme="light"] .paste-line-text .ss {
    color: #2f6b4f;
}

[data-theme="light"] .paste-line-text .c,
[data-theme="light"] .paste-line-text .ch,
[data-theme="light"] .paste-line-text .cm,
[data-theme="light"] .paste-line-text .cpf,
[data-theme="light"] .paste-line-text .c1,
[data-theme="light"] .paste-line-text .cs {
    color: #6c6258;
    font-style: italic;
}

[data-theme="light"] .paste-line-text .m,
[data-theme="light"] .paste-line-text .mb,
[data-theme="light"] .paste-line-text .mf,
[data-theme="light"] .paste-line-text .mh,
[data-theme="light"] .paste-line-text .mi,
[data-theme="light"] .paste-line-text .mo,
[data-theme="light"] .paste-line-text .il {
    color: #754c94;
}

[data-theme="light"] .paste-line-text .na,
[data-theme="light"] .paste-line-text .nc,
[data-theme="light"] .paste-line-text .no,
[data-theme="light"] .paste-line-text .nn {
    color: #176b62;
    font-weight: 500;
}

[data-theme="light"] .paste-line-text .nf,
[data-theme="light"] .paste-line-text .fm {
    color: #7f3d6c;
    font-weight: 600;
}

[data-theme="light"] .paste-line-text .nd,
[data-theme="light"] .paste-line-text .ni {
    color: #9a581a;
}

[data-theme="light"] .paste-line-text .gh,
[data-theme="light"] .paste-line-text .gu {
    color: #176b62;
    font-weight: 600;
}

[data-theme="light"] .paste-line-text .gi {
    color: #2f6b4f;
}

[data-theme="light"] .paste-line-text .err,
[data-theme="light"] .paste-line-text .gd,
[data-theme="light"] .paste-line-text .gr,
[data-theme="light"] .paste-line-text .gt,
[data-theme="light"] .paste-line-text .ne {
    color: #a12f39;
    background-color: #f3dcd8;
}

/* Light Mode Brand Treatment */
[data-theme="light"] .brand-mark::before,
[data-theme="light"] .brand-mark::after {
    opacity: 0.15;
}

[data-theme="light"] .brand-logo {
    filter: drop-shadow(0 2px 6px rgba(76, 61, 47, 0.15));
}

.theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.theme-toggle-btn:hover {
    transform: scale(1.05);
}

/* View Mode Tabs */
.view-mode-tabs {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-surface);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.tab-btn:hover {
    color: var(--text-main);
    border-color: var(--border-hover);
}

.tab-btn.active {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: var(--accent);
}

.is-hidden-view {
    display: none !important;
}

/* Markdown Rendered Container */
.markdown-view-card {
    padding: var(--space-6) var(--space-8);
    background: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: auto;
}

.markdown-body {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--text-main);
    overflow-wrap: anywhere;
    word-break: break-word;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-main);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.3em;
}

.markdown-body h1 { font-size: 1.75rem; }
.markdown-body h2 { font-size: 1.4rem; }
.markdown-body h3 { font-size: 1.15rem; border-bottom: none; }
.markdown-body h4 { font-size: 1rem; border-bottom: none; }

.markdown-body p {
    margin-top: 0;
    margin-bottom: 1em;
}

.markdown-body a {
    color: var(--accent);
    text-decoration: underline;
}

.markdown-body ul,
.markdown-body ol {
    padding-left: 2em;
    margin-bottom: 1em;
}

.markdown-body blockquote {
    margin: 1em 0;
    padding: 0.5em 1em;
    color: var(--text-muted);
    border-left: 4px solid var(--accent);
    background: var(--bg-surface-alt);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.markdown-body code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    padding: 0.2em 0.4em;
    background: var(--bg-surface-alt);
    border-radius: var(--radius-sm);
    color: var(--accent);
}

.markdown-body pre {
    padding: var(--space-4);
    background: var(--bg-code-surface);
    color: var(--text-code-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: 1em;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.code-block-wrap { position: relative; }
.code-copy-btn { position: absolute; top: 0.5rem; right: 0.5rem; z-index: 1; background: var(--bg-card); border: 1px solid var(--border); color: var(--text-muted); cursor: pointer; padding: 0.25rem 0.45rem; border-radius: 0.35rem; }
.code-copy-btn.is-pressed { transform: scale(0.96); }
.btn.is-favorited { color: var(--accent); }
.user-badge { color: var(--text-muted); font-size: 0.8rem; }

.markdown-body pre code {
    padding: 0;
    background: transparent;
    color: inherit;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1em;
}

.markdown-body th,
.markdown-body td {
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--border);
    text-align: left;
}

.markdown-body th {
    background: var(--bg-surface-alt);
    font-weight: 600;
}

/* Mermaid Wrapper */
.mermaid-wrap {
    display: flex;
    justify-content: center;
    margin: 1.5em 0;
    padding: var(--space-4);
    background: var(--bg-surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.mermaid-wrap .mermaid {
    background: transparent !important;
}