/* prnt.li — visual language follows sharey.org: a white/green card on a
   soft page, a dashed green drop target, a green gradient progress bar with a
   shine sweep, and a dark mode that flips the same tokens. Sizing is clamp()-
   based throughout so the same stylesheet works on a phone and a desktop
   without media-query whack-a-mole. */

:root {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-accent: #e8f5e8;
    --text-primary: #333333;
    --text-secondary: #2e7d32;
    --border-color: #4CAF50;
    --border-soft: #dfe3e0;
    --shadow: rgba(0, 0, 0, 0.1);
    --danger: #e53935;
    --link: #4CAF50;
}

[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-accent: #1e3a1e;
    --text-primary: #e0e0e0;
    --text-secondary: #81c784;
    --border-color: #66bb6a;
    --border-soft: #3d4a3d;
    --shadow: rgba(0, 0, 0, 0.3);
    --danger: #ef5350;
    --link: #81c784;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --bg-accent: #1e3a1e;
        --text-primary: #e0e0e0;
        --text-secondary: #81c784;
        --border-color: #66bb6a;
        --border-soft: #3d4a3d;
        --shadow: rgba(0, 0, 0, 0.3);
        --danger: #ef5350;
        --link: #81c784;
    }
}

* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    text-align: center;
    margin: 0;
    padding: clamp(10px, 2vw, 20px);
    line-height: 1.6;
    font-size: clamp(14px, 2.5vw, 16px);
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: clamp(20px, 5vw, 50px) auto;
    background-color: var(--bg-secondary);
    padding: clamp(20px, 5vw, 50px) clamp(15px, 4vw, 50px);
    border-radius: clamp(8px, 2vw, 12px);
    box-shadow: 0 4px 12px var(--shadow);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

h1 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    color: var(--border-color);
    margin: 0 0 clamp(20px, 4vw, 30px);
    line-height: 1.2;
}

a { color: var(--link); }

/* ---- theme toggle ---- */
.theme-toggle {
    position: fixed;
    top: clamp(15px, 3vw, 20px);
    right: clamp(15px, 3vw, 20px);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    padding: clamp(10px, 2vw, 16px);
    cursor: pointer;
    font-size: clamp(16px, 3vw, 18px);
    color: var(--text-primary);
    box-shadow: 0 2px 6px var(--shadow);
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    user-select: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.theme-toggle:hover { transform: scale(1.05); }
.theme-toggle.switching { animation: themeSwitch 0.6s ease-in-out; }
@keyframes themeSwitch {
    0%   { transform: rotate(0deg) scale(1); }
    25%  { transform: rotate(90deg) scale(0.8); }
    50%  { transform: rotate(180deg) scale(0.6); opacity: 0.7; }
    75%  { transform: rotate(270deg) scale(0.8); }
    100% { transform: rotate(360deg) scale(1); }
}

/* ---- options bar ---- */
.toggle-container {
    margin-bottom: clamp(20px, 4vw, 30px);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(8px, 2vw, 15px);
    flex-wrap: wrap;
}

.expiry-inline, .password-inline {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: clamp(8px, 2vw, 12px);
    background-color: var(--bg-secondary);
    border-radius: clamp(6px, 1.5vw, 8px);
    border: 1px solid var(--border-color);
}
.expiry-label { font-size: clamp(14px, 3vw, 16px); color: var(--text-secondary); margin: 0; }
.expiry-select-inline, .password-input-inline {
    padding: clamp(4px, 1vw, 6px) clamp(8px, 2vw, 10px);
    font-size: clamp(12px, 2.5vw, 14px);
    border: 1px solid var(--border-color);
    border-radius: clamp(4px, 1vw, 6px);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    min-width: 60px;
}
.password-input-inline { width: 160px; outline: none; }
.password-input-inline:focus { box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.18); }
.password-lock-icon { font-size: 14px; line-height: 1; }

.burn-toggle-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
    padding: clamp(8px, 2vw, 12px);
    border: 1px solid var(--border-soft);
    border-radius: clamp(6px, 1.5vw, 8px);
}
.burn-toggle-row input[type="checkbox"] {
    width: 16px; height: 16px; accent-color: var(--danger); cursor: pointer;
}

/* ---- drop area ---- */
.drop-area {
    border: 2px dashed var(--border-color);
    padding: clamp(40px, 8vw, 90px);
    border-radius: clamp(8px, 2vw, 12px);
    background-color: var(--bg-accent);
    cursor: pointer;
    margin-bottom: clamp(20px, 4vw, 30px);
    width: 100%;
    min-height: clamp(120px, 20vw, 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    transition: all 0.3s ease;
}
.drop-area p {
    margin: 0;
    font-size: clamp(16px, 3.5vw, 18px);
    font-weight: 500;
    pointer-events: none;
}
.drop-area:hover { background-color: #f0f0f0; border-color: #aaa; }
.drop-area.dragging { background-color: #e0e0e0; border-color: #999; transform: scale(1.02); }
[data-theme="dark"] .drop-area:hover { background-color: #333; border-color: #666; }
[data-theme="dark"] .drop-area.dragging { background-color: #2a2a2a; border-color: #777; }
#fileInput { display: none; }

kbd {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2px 6px;
    font-family: monospace;
    font-size: 0.9em;
    box-shadow: 0 1px 2px var(--shadow);
}

/* ---- progress ---- */
.progress-bar {
    width: 100%;
    background: #e0e0e0;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    margin: clamp(15px, 4vw, 25px) 0;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.1);
    position: relative;
    height: clamp(36px, 8vw, 48px);
}
[data-theme="dark"] .progress-bar { background: #404040; }
.progress {
    height: 100%;
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 50%, #66bb6a 100%);
    width: 0%;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border-radius: 11px;
    overflow: hidden;
}
.progress::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3) 50%, transparent);
    animation: progressShine 2s infinite;
}
@keyframes progressShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}
#progressText {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: clamp(12px, 3.5vw, 16px);
    font-weight: 600;
    color: var(--text-primary);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    z-index: 10;
    margin: 0;
    width: 100%;
    text-align: center;
}

/* ---- results ---- */
.result-message { margin-top: 20px; font-size: 18px; color: var(--text-primary); }
.result-message a { color: var(--link); text-decoration: none; font-weight: 500; }
.result-message a:hover { text-decoration: underline; }
.result-message .error { color: var(--danger); }

.bulk-queue-section {
    margin-top: 20px;
    padding: 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-align: left;
}
.bulk-queue-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}
.bulk-queue-count { font-size: 14px; font-weight: 600; color: var(--text-secondary); }
.bulk-queue-clear {
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
}
.bulk-queue-clear:hover { border-color: var(--danger); color: var(--danger); }
.upload-session-list { display: flex; flex-direction: column; gap: 12px; }

.file-result-bar {
    display: flex;
    align-items: center;
    gap: clamp(10px, 2.5vw, 15px);
    flex-wrap: wrap;
    padding: clamp(12px, 3vw, 18px);
    margin-bottom: clamp(12px, 3vw, 18px);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background-color: #f0f8f0;
    text-align: left;
}
[data-theme="dark"] .file-result-bar { background-color: #1e3a1e; border-color: #66bb6a; }
.file-info-section { flex: 1; min-width: 160px; }
.file-info-section .file-name { font-weight: bold; margin-bottom: 4px; word-break: break-all; }
.file-info-section .file-size { font-size: clamp(12px, 3vw, 14px); color: #666; }
[data-theme="dark"] .file-info-section .file-size { color: #aaa; }
.file-buttons-section { display: flex; gap: clamp(6px, 1.5vw, 10px); flex-wrap: wrap; }
.file-thumbnail {
    width: clamp(50px, 12vw, 70px);
    height: clamp(50px, 12vw, 70px);
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid #ddd;
    flex-shrink: 0;
}
[data-theme="dark"] .file-thumbnail { border-color: #555; }

.button {
    padding: 10px 20px;
    background-color: var(--border-color);
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    font-weight: 600;
    min-height: 44px;
    transition: all 0.2s ease;
}
.button:hover { transform: translateY(-1px); }
.button.secondary { background: var(--bg-secondary); color: var(--text-primary); border: 1px solid var(--border-color); }
.button.download { background: #2196F3; }
.button.qr { background: #9C27B0; }
.button.delete { background: var(--danger); }
.button:disabled { opacity: 0.5; cursor: not-allowed; }

.burn-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(229, 57, 53, 0.12);
    color: var(--danger);
    border: 1px solid rgba(229, 57, 53, 0.35);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 13px;
    font-weight: 600;
    margin-left: 8px;
}

/* ---- footer ---- */
.site-footer {
    margin-top: clamp(24px, 5vw, 40px);
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 14px;
}
.site-footer a { color: var(--text-secondary); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

/* ---- error / password pages ---- */
.narrow { max-width: 460px; margin: 0 auto; }
.error-code { font-size: clamp(3rem, 12vw, 6rem); color: var(--border-color); margin: 0; line-height: 1; }
.error-msg { color: var(--text-primary); margin: 12px 0 24px; }
.field { display: block; width: 100%; padding: 12px; font-size: 16px; margin-bottom: 12px;
         border: 2px solid var(--border-color); border-radius: 8px;
         background: var(--bg-secondary); color: var(--text-primary); }

/* ---- admin ---- */
.admin-nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: clamp(20px, 4vw, 30px);
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}
.admin-nav a {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
}
.admin-nav a.active, .admin-nav a:hover { background: var(--border-color); color: white; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 26px; }
.tile {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    background: var(--bg-secondary);
    text-align: left;
}
.tile .label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-secondary); font-weight: 700; }
.tile .value { font-size: clamp(1.4rem, 4vw, 2rem); font-weight: 700; margin-top: 4px; }
.tile .sub { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

.bar { height: 14px; background: var(--bg-accent); border: 1px solid var(--border-color);
       border-radius: 7px; overflow: hidden; margin-top: 10px; }
.bar > span { display: block; height: 100%; background: linear-gradient(90deg, #4CAF50, #66bb6a); }
.bar > span.warn { background: linear-gradient(90deg, #ff9800, #ffb74d); }
.bar > span.crit { background: linear-gradient(90deg, #e53935, #ef5350); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; padding: 10px; background: var(--bg-accent); color: var(--text-secondary);
     font-weight: 700; border-bottom: 2px solid var(--border-color); }
td { padding: 9px 10px; border-bottom: 1px solid var(--border-soft); text-align: left; vertical-align: top; }
tr:hover td { background: var(--bg-accent); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.mono { font-family: Consolas, Monaco, 'Courier New', monospace; font-size: 13px; }
.trunc { max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.pill { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: 600;
        background: var(--bg-accent); color: var(--text-secondary); border: 1px solid var(--border-color); }
.pill.authed { background: rgba(33, 150, 243, 0.15); color: #1976D2; border-color: #2196F3; }
.pill.slow   { background: rgba(255, 152, 0, 0.15);  color: #e65100; border-color: #ff9800; }

.spark { display: flex; align-items: flex-end; gap: 6px; height: 90px; margin: 10px 0 4px; }
.spark > div { flex: 1; background: linear-gradient(180deg, #66bb6a, #4CAF50); border-radius: 3px 3px 0 0;
               min-height: 2px; position: relative; }
.spark > div span { position: absolute; bottom: -20px; left: 0; right: 0; text-align: center; font-size: 11px; color: var(--text-secondary); }

.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
.filters input[type=text], .filters select {
    padding: 9px 12px; font-size: 14px; border: 1px solid var(--border-color);
    border-radius: 6px; background: var(--bg-secondary); color: var(--text-primary);
}
.filters input[type=text] { min-width: 260px; }

.pager { display: flex; gap: 8px; align-items: center; justify-content: center; margin-top: 20px; }
.pager a, .pager span { padding: 8px 14px; border: 1px solid var(--border-color); border-radius: 6px;
                        text-decoration: none; color: var(--text-primary); font-size: 14px; }
.pager .current { background: var(--border-color); color: white; font-weight: 700; }

.toast {
    position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
    background: var(--border-color); color: white; padding: 12px 20px; border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow); z-index: 1000; font-size: 14px;
    animation: fadeUp 0.25s ease-out;
}
.toast.error { background: var(--danger); }
@keyframes fadeUp { from { opacity: 0; transform: translate(-50%, 12px); } to { opacity: 1; transform: translate(-50%, 0); } }

.toast-dismiss { background: none; border: none; color: inherit; font-weight: 700;
                 cursor: pointer; margin-left: 12px; padding: 0; min-height: 0; }

/* ---- mobile ---- */
.mobile-only { display: none; }
.desktop-only { display: block; }
@media only screen and (max-width: 768px) {
    .mobile-only { display: block; }
    .desktop-only { display: none; }
    .container { margin: 20px auto; padding: 20px 15px; border-radius: 8px; }
    .theme-toggle { top: 15px; right: 15px; }
    .toggle-container { flex-direction: column; gap: 10px; }
    .expiry-inline, .password-inline, .burn-toggle-row { width: 100%; max-width: 320px; justify-content: center; }
    .drop-area { padding: 40px 20px; border-radius: 8px; border-width: 3px; min-height: 120px; }
    .button { padding: 12px 20px; font-size: 16px; border-radius: 8px; width: 100%; }
    .file-buttons-section { width: 100%; }
    .file-buttons-section .button { width: auto; flex: 1; }
    td, th { padding: 7px 6px; font-size: 13px; }
    .trunc { max-width: 160px; }
    .filters input[type=text] { min-width: 0; width: 100%; }
}
@media only screen and (max-width: 480px) {
    .container { margin: 10px auto; padding: 15px 10px; }
    h1 { font-size: 1.8em; }
}

.mobile-clipboard-section {
    margin: 20px 0;
    padding: 15px;
    background-color: var(--bg-accent);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.mobile-paste-button {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white; border: none; padding: 12px 24px; border-radius: 8px;
    font-size: 16px; font-weight: 600; cursor: pointer; min-width: 200px; min-height: 44px;
}
.mobile-clipboard-hint { color: var(--text-secondary); font-size: 14px; margin: 8px 0 0; font-style: italic; }

.context-menu {
    position: fixed; background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: 8px; box-shadow: 0 4px 12px var(--shadow); z-index: 1000; padding: 8px 0; min-width: 180px;
}
.context-menu-item {
    display: block; width: 100%; padding: 12px 16px; border: none; background: none;
    text-align: left; cursor: pointer; font-size: 16px; color: var(--text-primary);
}
.context-menu-item:hover { background: var(--bg-accent); }

/* ---- QR overlay ---- */
.qr-overlay {
    position: fixed; inset: 0; background: rgba(0, 0, 0, 0.8); z-index: 10000;
    display: flex; align-items: center; justify-content: center;
}
.qr-card { background: white; border-radius: 12px; padding: 24px; text-align: center; max-width: 90vw; }
.qr-card h3 { margin: 0 0 14px; font-size: 1.1rem; color: #333; word-break: break-all; }
.qr-url { font-size: 12px; color: #666; margin-top: 12px; word-break: break-all; }

/* ---- API docs page (/api/) ----
   Only what the page needs beyond the shared vocabulary above: a heading level
   that is not an h1, preformatted commands, and a list. Deliberately thin --
   the page reuses .container, .mono, .pill, table and .site-footer so it reads
   as the same site rather than a bolted-on developer page. */
.api-h2 {
    font-size: 1.25rem;
    margin: 32px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-soft);
}
.api-pre {
    background: var(--bg-secondary);
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    padding: 14px 16px;
    overflow-x: auto;
    font-family: Consolas, Monaco, 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.55;
    color: var(--text-primary);
}
.api-pre code { background: none; padding: 0; font-size: inherit; color: inherit; }
/* A comment in a shell snippet, dimmed so the commands themselves lead. */
.api-pre .c { color: var(--text-secondary); }
.api-list { margin: 0 0 16px; padding-left: 22px; }
.api-list li { margin-bottom: 10px; line-height: 1.55; }
/* Inline code inside prose, which the shared .mono class does not cover. */
.api-pre + p code, td code, li code, p code {
    background: var(--bg-accent);
    padding: 1px 5px;
    border-radius: 4px;
    font-family: Consolas, Monaco, 'Courier New', monospace;
    font-size: 0.88em;
}