:root {
    --bg: #0b0e14;
    --surface: #131824;
    --surface-raised: #1b2333;
    --surface-sunken: #0e1219;
    --border: #242d40;
    --border-strong: #35415c;
    --text: #edf1f7;
    --text-dim: #98a2b8;
    --accent: #5b7cfa;
    --accent-hover: #7290ff;
    --success: #3ecf8e;
    --danger: #f87171;
    --radius-card: 14px;
    --radius-control: 10px;
    --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent-hover);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ---------- Layout ---------- */

.page {
    max-width: 760px;
    margin: 0 auto;
    padding: 48px 24px 64px;
}

.page.auth {
    max-width: none;
    display: grid;
    place-items: center;
    min-height: 100vh;
    padding: 24px;
}

/* ---------- Brand ---------- */

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--accent);
}

.brand-mark svg {
    width: 19px;
    height: 19px;
    fill: #fff;
}

.brand h1 {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.brand-tagline {
    margin: 1px 0 0;
    font-size: 12.5px;
    color: var(--text-dim);
}

/* ---------- Header / Greeting ---------- */

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.greeting {
    margin: 18px 0 0;
    color: var(--text-dim);
}

.greeting strong {
    color: var(--text);
    font-weight: 600;
}

/* ---------- Cards ---------- */

.card {
    margin-top: 16px;
    padding: 20px 22px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
}

.card h2 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
}

.card-sub {
    margin: 4px 0 16px;
    font-size: 13px;
    color: var(--text-dim);
}

/* ---------- Auth card ---------- */

.auth-card {
    width: 100%;
    max-width: 400px;
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-card);
}

.auth-card h2 {
    margin: 24px 0 16px;
    font-size: 18px;
    font-weight: 700;
}

.auth-card .banner {
    margin-bottom: 16px;
}

.auth-switch {
    margin: 18px 0 0;
    text-align: center;
    font-size: 13px;
    color: var(--text-dim);
}

/* ---------- Forms ---------- */

.form {
    margin: 0;
}

.field {
    margin-bottom: 14px;
}

.field label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-dim);
}

input:not([type="file"]),
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-control);
    border: 1px solid var(--border);
    background: var(--surface-sunken);
    color: var(--text);
    font: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

textarea {
    min-height: 72px;
    resize: vertical;
}

input::placeholder {
    color: var(--text-dim);
}

input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(91, 124, 250, 0.22);
}

input[readonly] {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    color: var(--text-dim);
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--radius-control);
    border: 1px solid var(--border);
    background: var(--surface-raised);
    color: var(--text);
    font: inherit;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.06s ease;
}

.btn:hover {
    background: #222c44;
    border-color: var(--border-strong);
}

.btn:active {
    transform: translateY(1px);
}

.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    fill: currentColor;
}

.btn-primary {
    background: var(--accent);
    border-color: transparent;
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: transparent;
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-dim);
}

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

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 13px;
    font-size: 13px;
}

/* ---------- URL row ---------- */

.url-row {
    display: flex;
    gap: 10px;
}

.url-row input {
    flex: 1;
    min-width: 0;
}

.url-row .btn {
    flex-shrink: 0;
}

@media (max-width: 520px) {
    .url-row {
        flex-direction: column;
    }
}

/* ---------- File picker ---------- */

.upload-row {
    display: flex;
    align-items: stretch;
    gap: 10px;
}

.file-picker {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-control);
    border: 1px dashed var(--border-strong);
    background: var(--surface-sunken);
    cursor: pointer;
    transition: border-color 0.15s ease;
}

.file-picker:hover {
    border-color: var(--accent);
}

.file-picker input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    color: var(--text-dim);
}

.file-picker.has-file .file-name {
    color: var(--text);
}

@media (max-width: 520px) {
    .upload-row {
        flex-direction: column;
    }
}

/* ---------- Sound list ---------- */

.sound-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.sound-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 11px 14px;
    background: var(--surface-sunken);
    border: 1px solid var(--border);
    border-radius: var(--radius-control);
}

.sound-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.sound-date {
    display: block;
    margin-top: 1px;
    font-size: 12px;
    color: var(--text-dim);
}

.sound-row form {
    margin: 0;
    flex-shrink: 0;
}

.empty {
    margin: 0;
    color: var(--text-dim);
}

/* ---------- Status banner ---------- */

.banner {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
    padding: 11px 14px;
    border: 1px solid;
    border-radius: var(--radius-control);
    font-size: 14px;
    transition: opacity 0.3s ease;
}

.banner svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    fill: currentColor;
}

.banner.success {
    background: rgba(62, 207, 142, 0.08);
    border-color: rgba(62, 207, 142, 0.35);
    color: #7fe0b2;
}

.banner.error {
    background: rgba(248, 113, 113, 0.08);
    border-color: rgba(248, 113, 113, 0.35);
    color: #ffa3a3;
}

/* ---------- Status line ---------- */

.status-line {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 14px;
}

.status-line code {
    background: var(--surface-sunken);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1px 6px;
    font-size: 12px;
}

.dot {
    width: 8px;
    height: 8px;
    flex-shrink: 0;
    border-radius: 50%;
}

.dot-ok {
    background: var(--success);
}

.dot-warn {
    background: var(--danger);
}

/* ---------- TTS settings ---------- */

.tts-settings {
    margin: 0 0 18px;
    padding: 12px 14px;
    background: var(--surface-sunken);
    border: 1px solid var(--border);
    border-radius: var(--radius-control);
}

.tts-settings summary {
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dim);
    user-select: none;
}

.tts-settings summary:hover {
    color: var(--text);
}

.tts-settings[open] summary {
    margin-bottom: 12px;
}

.tts-settings .form {
    margin-bottom: 2px;
}

.tts-form {
    margin-top: 0;
}

/* ---------- Misc ---------- */

.hint {
    margin: 10px 0 0;
    font-size: 12.5px;
    color: var(--text-dim);
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}