/* ============================================================
 * TTS Studio — professional, neutral, typography-forward.
 * Light theme, single near-black accent, no gradients.
 * ============================================================ */

:root {
    --bg:         #f6f6f4;
    --surface:    #ffffff;
    --surface-2:  #fafafa;
    --border:     #e3e3df;
    --border-2:   #ebebe7;
    --text:       #171717;
    --text-2:     #3d3d3d;
    --muted:      #737373;
    --accent:     #171717;
    --accent-fg:  #ffffff;
    --danger:     #b42318;
    --danger-bg:  #fef3f2;
    --danger-br:  #fecdca;
    --radius:     6px;
    --radius-lg:  8px;
    --font:       "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    --mono:       ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.55 var(--font);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

a { color: var(--text); text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }
a:hover { opacity: .7; }

.muted { color: var(--muted); }

/* ---------- Topbar ---------- */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 32px;
    height: 56px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 10;
}
.topbar .brand {
    font-weight: 600;
    font-size: 14px;
    letter-spacing: -.01em;
    display: flex;
    align-items: center;
    gap: 8px;
}
.topbar .brand::before {
    content: "";
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 2px;
}
.topbar .brand span { }
.topbar .links { display: flex; gap: 2px; align-items: center; }
.topbar .links a {
    padding: 6px 12px;
    border-radius: var(--radius);
    color: var(--muted);
    font-weight: 500;
    font-size: 13px;
    text-decoration: none;
    transition: color .12s, background .12s;
}
.topbar .links a:hover { color: var(--text); background: var(--bg); }
.topbar .links a.active { color: var(--text); background: var(--bg); }
.topbar .links a.logout {
    margin-left: 8px;
    padding-left: 14px;
    border-left: 1px solid var(--border);
    border-radius: 0;
    font-size: 12px;
}

/* ---------- Layout ---------- */
.container {
    max-width: 760px;
    margin: 0 auto;
    padding: 44px 28px 80px;
}
h1 {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -.015em;
    margin: 0 0 4px;
}
h2 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 12px;
}
.container > p.muted {
    margin: 0 0 28px;
    font-size: 13px;
}

/* ---------- Card ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 16px;
}

/* ---------- Step label ---------- */
.steplabel {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: .06em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

/* ---------- Tabs ---------- */
.tabs {
    display: inline-flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 14px;
    width: 100%;
}
.tab {
    background: transparent;
    color: var(--muted);
    padding: 10px 16px;
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    font-size: 13px;
    font-weight: 500;
    width: auto;
    cursor: pointer;
    margin-bottom: -1px;
    transition: color .12s, border-color .12s;
}
.tab:hover { color: var(--text-2); }
.tab.active {
    color: var(--text);
    border-bottom-color: var(--accent);
    font-weight: 600;
}
.tab-desc {
    font-size: 13px;
    margin: 0 0 16px;
    color: var(--muted);
}

/* ---------- Forms ---------- */
label {
    display: block;
    margin-bottom: 16px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-2);
    letter-spacing: normal;
    text-transform: none;
}
input, textarea, select {
    display: block;
    width: 100%;
    margin-top: 6px;
    padding: 9px 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font: inherit;
    font-size: 14px;
    transition: border-color .12s, box-shadow .12s;
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(23,23,23,.08);
}
textarea { resize: vertical; min-height: 96px; line-height: 1.55; }
select {
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='none' stroke='%23737373' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M1 1l4 4 4-4'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

/* ---------- Buttons ---------- */
button, .btn-sec, .btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 13px;
    line-height: 1;
    cursor: pointer;
    transition: background .12s, border-color .12s, color .12s, opacity .12s;
    font-family: inherit;
}

/* Primary — solid black */
button[type="submit"],
button:not(.btn-sec):not(.btn-danger):not(.tab):not(.btn-preview):not(.btn-mini):not(.btn-add):not(.btn-preset) {
    background: var(--accent);
    color: var(--accent-fg);
    border-color: var(--accent);
    width: auto;
    min-width: 160px;
}
button[type="submit"]:hover,
button:not(.btn-sec):not(.btn-danger):not(.tab):not(.btn-preview):not(.btn-mini):not(.btn-add):not(.btn-preset):hover {
    background: #000;
    border-color: #000;
}
button[disabled] { opacity: .5; cursor: not-allowed; }

/* Secondary — outlined */
.btn-sec {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
    text-decoration: none;
}
.btn-sec:hover {
    background: var(--bg);
    border-color: #d4d4d0;
    text-decoration: none;
    opacity: 1;
}

/* Danger */
.btn-danger {
    background: var(--surface);
    color: var(--danger);
    border-color: var(--danger-br);
}
.btn-danger:hover { background: var(--danger-bg); }

/* ---------- Login ---------- */
.center {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}
.login {
    width: 100%;
    max-width: 360px;
    margin: 0;
    padding: 32px;
}
.login .logo {
    width: 28px;
    height: 28px;
    background: var(--accent);
    border-radius: 6px;
    margin: 0 auto 16px;
    display: block;
    font-size: 0;
}
.login h1 {
    text-align: center;
    margin-bottom: 6px;
}
.login p {
    text-align: center;
    margin: 0 0 24px;
    color: var(--muted);
    font-size: 13px;
}
.login label { text-align: left; }
.login button[type="submit"] { width: 100%; min-width: 0; margin-top: 4px; }

/* ---------- Transcript / result ---------- */
.field { margin-bottom: 14px; }
.field-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: .04em;
    text-transform: uppercase;
    margin-bottom: 6px;
}
.transcript {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
    white-space: pre-wrap;
    word-break: break-word;
    font: 13px/1.65 var(--mono);
    color: var(--text-2);
    max-height: 300px;
    overflow: auto;
    margin: 0;
}
.result audio { width: 100%; margin-top: 6px; }

.sep {
    border: none;
    border-top: 1px solid var(--border);
    margin: 24px 0 20px;
}

.row { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }

/* ---------- Catalog ---------- */
.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 16px;
}
.grid .card { margin-top: 0; padding: 18px 20px; }
.item .meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 12px;
}
.badge {
    background: var(--bg);
    color: var(--text-2);
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid var(--border);
    font-size: 11px;
    font-weight: 500;
    font-family: var(--mono);
}
.item .meta .muted { font-size: 12px; }
.item .brief {
    margin: 2px 0 10px;
    color: var(--text-2);
    font-size: 13px;
}
.item audio { width: 100%; margin-top: 10px; height: 36px; }
.item details {
    margin-top: 6px;
    border-top: 1px solid var(--border-2);
    padding-top: 8px;
}
.item details summary {
    cursor: pointer;
    color: var(--muted);
    font-size: 12px;
    padding: 2px 0;
    list-style: none;
    user-select: none;
}
.item details summary::-webkit-details-marker { display: none; }
.item details summary::before {
    content: "▸";
    display: inline-block;
    margin-right: 6px;
    transition: transform .15s;
    font-size: 10px;
}
.item details[open] summary::before { transform: rotate(90deg); }
.item details[open] summary { margin-bottom: 8px; }

.empty {
    text-align: center;
    padding: 48px 20px;
}
.empty p { margin: 0 0 16px; color: var(--muted); font-size: 13px; }

/* ---------- Spinner ---------- */
.spinner {
    width: 12px; height: 12px;
    border: 1.5px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .7s linear infinite;
}
.btn-sec .spinner,
.tab .spinner {
    border-color: rgba(0,0,0,.15);
    border-top-color: var(--text);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Category bar ---------- */
.category-bar {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 16px;
}
.category-detected {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
}
.category-icon { font-size: 18px; }
.category-label { font-weight: 600; color: var(--text); }
.category-music-status {
    margin-left: auto;
    font-size: 11px;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 4px;
}
.category-music-status.has-music {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.category-music-status.no-music {
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}
.category-bar .inline-label {
    margin-bottom: 0;
}

/* Format selector + standalone inline labels */
.inline-label {
    display: block;
    margin-bottom: 14px;
    font-weight: 500;
    font-size: 13px;
    color: var(--text);
}
.inline-label select {
    display: block;
    margin-top: 6px;
    padding: 10px 12px;
    font-size: 14px;
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: white;
    cursor: pointer;
}
.category-bar .inline-label { margin-bottom: 0; }

/* Dialog voice selector — A/B side by side */
#voice-dialog-wrap.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
#voice-dialog-wrap label {
    display: block;
}
/* CRITICAL: HTML hidden attribute'unu display:grid eziyor; explicit override gerekli */
#voice-dialog-wrap[hidden],
#voice-single-wrap[hidden],
[hidden] {
    display: none !important;
}

/* Voice preview button */
.btn-preview {
    margin-top: 8px;
    padding: 6px 14px;
    font-size: 13px;
    background: var(--surface-2, #f3f4f6);
    color: var(--text, #1f2937);
    border: 1px solid var(--border, #d1d5db);
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.15s ease;
}
.btn-preview:hover {
    background: var(--accent, #2563eb);
    color: white;
    border-color: var(--accent, #2563eb);
}
.btn-preview:active {
    transform: scale(0.97);
}
.btn-preview.playing {
    background: var(--accent);
    color: var(--accent-fg);
    border-color: var(--accent);
    animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(23,23,23,0.4); }
    50% { box-shadow: 0 0 0 6px rgba(23,23,23,0); }
}

/* ---------- Mix controls ---------- */
.mix-controls {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 16px;
}
.toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
}
.toggle-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin: 0;
    accent-color: var(--accent);
}
.range-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-2);
    margin-bottom: 0;
}
.range-label input[type="range"] {
    width: 100%;
    margin-top: 6px;
    accent-color: var(--accent);
    height: 6px;
    border: none;
    padding: 0;
}
#mix-level-val {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text);
    font-weight: 600;
}

/* ---------- Result labels ---------- */
.result-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: .04em;
    text-transform: uppercase;
    margin-bottom: 6px;
    margin-top: 14px;
}
.result-label:first-child { margin-top: 0; }
#result-mix { margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }

/* ---------- Errors ---------- */
.error {
    margin: 14px 0 0;
    padding: 10px 12px;
    background: var(--danger-bg);
    border: 1px solid var(--danger-br);
    border-radius: var(--radius);
    color: var(--danger);
    font-size: 13px;
}

/* ============================================================
 * PRO RADIO STUDIO — polish layer (v2 redesign)
 * ============================================================ */

/* Card elevation — subtle but adds depth */
.card {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 0 0 1px rgba(0, 0, 0, 0.02);
    transition: box-shadow 0.2s ease;
}
.card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.04);
}

/* Bigger, more impactful headings */
h1 {
    font-size: 26px;
    letter-spacing: -.02em;
    font-weight: 700;
    margin-bottom: 6px;
}

/* Step label — accent dot */
.steplabel {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.steplabel::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    display: inline-block;
}

/* Primary button — slight elevation + sharper hover */
button[type="submit"],
button:not(.btn-sec):not(.btn-danger):not(.tab):not(.btn-preview):not(.btn-mini):not(.btn-add):not(.btn-preset) {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
    font-weight: 600;
    letter-spacing: -.005em;
}
button[type="submit"]:hover,
button:not(.btn-sec):not(.btn-danger):not(.tab):not(.btn-preview):not(.btn-mini):not(.btn-add):not(.btn-preset):hover {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}
button[type="submit"]:active,
button:not(.btn-sec):not(.btn-danger):not(.tab):not(.btn-preview):not(.btn-mini):not(.btn-add):not(.btn-preset):active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

/* ---------- Music Source Selector ---------- */
.music-source-bar {
    margin: 12px 0;
    padding: 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.music-source-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: .06em;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.music-source-options {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.music-source-options label {
    flex: 1;
    min-width: 120px;
    margin: 0;
    padding: 10px 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-2);
    text-align: center;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.music-source-options label:hover {
    background: var(--bg);
    border-color: #d4d4d0;
}
.music-source-options label:has(input:checked) {
    background: var(--accent);
    color: var(--accent-fg);
    border-color: var(--accent);
    font-weight: 600;
}
.music-source-options input[type="radio"] {
    display: none;
}

/* ---------- Upload Dropzone ---------- */
.upload-dropzone {
    margin-top: 12px;
    padding: 24px 16px;
    background: var(--surface);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.15s ease;
}
.upload-dropzone.drag-over {
    background: var(--bg);
    border-color: var(--accent);
    transform: scale(1.01);
}
.upload-dropzone .btn-sec {
    margin-right: 8px;
}
.upload-dropzone .muted {
    font-size: 12px;
}

/* ---------- Upload List ---------- */
.upload-list {
    margin-top: 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.upload-list .muted {
    padding: 16px;
    text-align: center;
    font-size: 12px;
}
.upload-item {
    display: grid;
    grid-template-columns: auto 1fr auto auto auto;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-2);
    transition: background 0.12s;
}
.upload-item:last-child { border-bottom: none; }
.upload-item:hover { background: var(--surface); }
.upload-item.selected {
    background: var(--bg);
    box-shadow: inset 3px 0 0 var(--accent);
}
.upload-item input[type="radio"] {
    width: 16px;
    height: 16px;
    margin: 0;
    accent-color: var(--accent);
}
.upload-item .upload-name {
    font-size: 13px;
    color: var(--text);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.upload-item .upload-meta {
    font-size: 11px;
    color: var(--muted);
    font-family: var(--mono);
}

/* Mini buttons for upload row actions */
.btn-mini {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
    min-width: 0;
    transition: all 0.12s;
}
.btn-mini:hover {
    background: var(--accent);
    color: var(--accent-fg);
    border-color: var(--accent);
}
.btn-mini.btn-del:hover {
    background: var(--danger);
    border-color: var(--danger);
}

/* ---------- Result section polish ---------- */
.result audio {
    border-radius: var(--radius);
    margin-top: 8px;
    background: var(--surface-2);
}
#result-mix .result-label {
    color: var(--accent);
    font-weight: 700;
}
#result-mix .result-label::before {
    content: "🎙️ ";
}
#result-raw .result-label::before {
    content: "🎤 ";
}

/* ---------- Format selector — emphasize ---------- */
#format {
    font-size: 15px;
    font-weight: 500;
    padding: 12px 14px;
    background-position: right 14px center;
}
#format:focus {
    box-shadow: 0 0 0 3px rgba(23,23,23,.12);
}

/* ---------- Topbar — add subtle backdrop ---------- */
.topbar {
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, 0.95);
}

/* ---------- Tag Helper Panel (Vurgu/Tonlama/Nefes) ---------- */
.tag-helper {
    margin-top: 14px;
    margin-bottom: 18px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.tag-helper > summary {
    cursor: pointer;
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    list-style: none;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.12s;
}
.tag-helper > summary:hover { background: var(--surface); }
.tag-helper > summary::-webkit-details-marker { display: none; }
.tag-helper > summary::before {
    content: "▸";
    display: inline-block;
    margin-right: 4px;
    transition: transform 0.18s;
    font-size: 11px;
    color: var(--muted);
}
.tag-helper[open] > summary::before { transform: rotate(90deg); }
.tag-helper[open] > summary { border-bottom: 1px solid var(--border); background: var(--surface); }
.tag-helper > summary .muted { font-weight: 400; font-size: 12px; }

.tag-helper-content {
    padding: 14px 16px 18px;
}
.tag-helper-intro {
    margin: 0 0 14px;
    font-size: 12px;
    line-height: 1.6;
}
.tag-group {
    margin-bottom: 14px;
}
.tag-group:last-child { margin-bottom: 0; }
.tag-group-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: .04em;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.tag-chip {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    margin: 0 4px 4px 0;
    background: var(--surface);
    color: var(--text-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 11.5px;
    font-family: var(--mono);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.14s ease;
    min-width: 0;
    line-height: 1.4;
}
.tag-chip:hover {
    background: var(--accent);
    color: var(--accent-fg);
    border-color: var(--accent);
    transform: translateY(-1px);
}
.tag-chip.inserted {
    animation: tag-pop 0.22s ease;
    background: #22c55e;
    color: white;
    border-color: #22c55e;
}
@keyframes tag-pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.12); }
    100% { transform: scale(1); }
}
.tag-chip.tag-perf {
    background: #fef3c7;
    border-color: #fde68a;
    color: #92400e;
}
.tag-chip.tag-perf:hover {
    background: #d97706;
    border-color: #d97706;
    color: white;
}
.tag-chip.tag-mark {
    background: #dbeafe;
    border-color: #bfdbfe;
    color: #1e40af;
    font-family: var(--font);
}
.tag-chip.tag-mark:hover {
    background: #1e40af;
    border-color: #1e40af;
    color: white;
}

/* ---------- Hero "Seslendir" Button — Centered, Prominent ---------- */
.synth-center {
    display: flex;
    justify-content: center;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.btn-hero {
    background: var(--accent);
    color: var(--accent-fg);
    border: none;
    padding: 16px 48px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -.01em;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.18s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.06);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 220px;
    justify-content: center;
}
.btn-hero:hover {
    background: #000;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18), 0 2px 4px rgba(0, 0, 0, 0.08);
}
.btn-hero:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}
.btn-hero:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-hero-sec {
    background: var(--surface);
    color: var(--text);
    border: 1.5px solid var(--accent);
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.18s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-hero-sec:hover {
    background: var(--accent);
    color: var(--accent-fg);
    transform: translateY(-1px);
}

/* Result actions — centered, primary action prominent */
.result-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

/* Nav: Yeni Seslendirme + Sayfayı Yenile — accent style */
.topbar .links .nav-fresh,
.topbar .links .nav-reload {
    color: var(--text);
    font-weight: 600;
    background: var(--surface-2);
    border: 1px solid var(--border);
}
.topbar .links .nav-fresh:hover,
.topbar .links .nav-reload:hover {
    background: var(--accent);
    color: var(--accent-fg);
    border-color: var(--accent);
}

/* ---------- Mobile responsive ---------- */
@media (max-width: 640px) {
    .container { padding: 24px 16px 60px; }
    .card { padding: 18px 16px; }
    h1 { font-size: 22px; }
    .music-source-options label { min-width: 100%; }
    #voice-dialog-wrap.row { grid-template-columns: 1fr; }
    .upload-item { grid-template-columns: auto 1fr auto auto; }
    .upload-item .btn-del { grid-column: -1; }
    .btn-hero { width: 100%; min-width: 0; padding: 14px 24px; }
    .btn-hero-sec { width: 100%; }
    .topbar .links .nav-fresh,
    .topbar .links .nav-reload { display: none; }  /* Mobilde nav daralır */
    .topbar { padding: 0 16px; }
}

/* ---------- Persona (bay/bayan) seçici ---------- */
.persona-row { margin-bottom: 14px; }
.persona-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 6px;
}
.persona-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.persona-chip { cursor: pointer; }
.persona-chip input { position: absolute; opacity: 0; pointer-events: none; }
.persona-chip span {
    display: inline-block;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface-2);
    font-size: 13px;
    color: var(--text-2);
    user-select: none;
    transition: background .15s, color .15s, border-color .15s;
}
.persona-chip:hover span { border-color: var(--text-2); }
.persona-chip input:checked + span {
    background: var(--accent);
    color: var(--accent-fg);
    border-color: var(--accent);
}