/* ==========================================================================
    ТекстГуру — генератор текста онлайн
    Нативный CSS, без зависимостей. Тёмная + светлая тема.
  ========================================================================== */

:root {
    --grad: linear-gradient(135deg, #8b5cf6 0%, #0e7490 100%);
    --accent: #8b5cf6;
    --accent-2: #22d3ee;
    --radius: 14px;
    --max-w: 1120px;
    --max-w-nav: 1070px;

    /* Тёмная тема (по умолчанию) */
    --bg: #0a0c12;
    --bg-2: #0e1118;
    --surface: #151a24;
    --surface-2: #1c2230;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --text: #eef0f6;
    --muted: #98a0b3;
    --glow: rgba(139, 92, 246, 0.35);
    --error: #ff6b6b;

    /* Панель результата — «терминал» (следует за темой) */
    --code-bg: #0d1117;
    --code-text: #e6edf3;
    --code-dim: #6e7681;
    --code-border: rgba(255, 255, 255, 0.08);

    color-scheme: dark;
}

[data-theme="light"] {
    --bg: #f7f8fb;
    --bg-2: #eef0f5;
    --surface: #ffffff;
    --surface-2: #f1f3f8;
    --border: rgba(15, 23, 42, 0.09);
    --border-strong: rgba(15, 23, 42, 0.16);
    --text: #0f172a;
    --muted: #5b6472;
    --glow: rgba(139, 92, 246, 0.18);
    --error: #d93843;

    /* Панель результата — светлый «терминал» */
    --code-bg: #f6f8fa;
    --code-text: #24292f;
    --code-dim: #57606a;
    --code-border: rgba(15, 23, 42, 0.12);

    color-scheme: light;
}

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

[hidden] {
    display: none !important;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        Arial, "Noto Sans", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
}

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

::selection {
    background: rgba(139, 92, 246, 0.35);
}

/* ---------- Типографика ---------- */

h1 {
    font-size: clamp(2.1rem, 5.5vw, 3.4rem);
    line-height: 1.12;
    letter-spacing: -0.02em;
    font-weight: 800;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    letter-spacing: -0.01em;
    font-weight: 700;
}

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

/* ---------- Шапка ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 0.9rem 1.5rem;
    background: color-mix(in srgb, var(--bg) 72%, transparent);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.site-header-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: baseline;
    gap: 0.6rem;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    align-self: center;
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--grad);
    color: #fff;
    font-size: 0.95rem;
    box-shadow: 0 4px 14px -4px var(--glow);
}

.brand small {
    font-weight: 500;
    color: var(--muted);
    font-size: 0.85rem;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-left: auto;
}

.site-nav a {
    font-size: 0.95rem;
    color: var(--muted);
    transition: color 0.15s;
}

.site-nav a:hover {
    color: var(--text);
}

.site-tools {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    flex: 0 1 auto;
    min-width: 0;
    max-width: var(--max-w-nav);
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.site-tools::-webkit-scrollbar {
    display: none;
}

.site-tools a {
    font-size: 0.95rem;
    color: var(--muted);
    transition: color 0.15s;
    flex-shrink: 0;
}

.site-tools a:hover {
    color: var(--text);
}

.history-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.icon-history {
    display: none;
    width: 20px;
    height: 20px;
}

.icon-btn {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    transition: border-color 0.15s, transform 0.15s, background 0.15s;
}

.icon-btn:hover {
    border-color: var(--border-strong);
    transform: translateY(-1px);
}

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

[data-theme="dark"] .icon-sun {
    display: none;
}

[data-theme="light"] .icon-moon {
    display: none;
}

/* ---------- Кнопки ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.7rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.15s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}

.btn-primary {
    background: var(--grad);
    color: #fff;
    box-shadow: 0 10px 26px -10px var(--glow);
}

@property --grad-angle {
    syntax: "<angle>";
    initial-value: 135deg;
    inherits: false;
}

/* Вращение градиента на 360° во время генерации */
.btn-primary.loading {
    --grad: linear-gradient(var(--grad-angle, 135deg), #8b5cf6 0%, #0e7490 100%);
    background: var(--grad);
    opacity: 1;
    animation: grad-spin 1.2s linear infinite;
}

@keyframes grad-spin {
    to {
        --grad-angle: 495deg;
        /* 135deg + 360deg */
    }
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px -10px var(--glow);
}

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

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ---------- Секции ---------- */

.section {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

.section-head {
    text-align: center;
    margin-bottom: 2.2rem;
}

.section-head p {
    color: var(--muted);
    margin-top: 0.5rem;
}

/* ---------- Сетка инструментов ---------- */

.tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.tool-card {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    padding: 1.4rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
    transition: transform 0.18s, border-color 0.18s, box-shadow 0.18s;
}

.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: 0 16px 34px -18px var(--glow);
}

.tool-icon {
    display: inline-grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.16), rgba(34, 211, 238, 0.16));
    border: 1px solid var(--border);
    margin-bottom: 0.3rem;
}

.tool-name {
    font-weight: 700;
    font-size: 1.02rem;
}

.tool-tag {
    font-size: 0.85rem;
    color: var(--muted);
}

/* ---------- «Как это работает» ---------- */

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.step {
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
}

.step .num {
    display: inline-grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--grad);
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

.step h3 {
    font-size: 1.05rem;
    margin-bottom: 0.3rem;
}

.step p {
    color: var(--muted);
    font-size: 0.92rem;
}

/* ---------- Чат ---------- */

.chat {
    width: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    overflow: hidden;
    box-shadow: 0 24px 60px -30px var(--glow);
}

.chat-head {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface-2) 55%, transparent);
}

.chat-avatar {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: var(--grad);
    color: #fff;
    font-size: 1rem;
    box-shadow: 0 4px 14px -4px var(--glow);
    flex-shrink: 0;
}

.chat-who {
    display: flex;
    flex-direction: column;
    gap: 0.05rem;
    min-width: 0;
}

.chat-name {
    font-weight: 700;
    font-size: 0.98rem;
}

.chat-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--muted);
}

.chat-status .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #28c840;
    box-shadow: 0 0 0 3px rgba(40, 200, 64, 0.18);
}

.chat-clear {
    margin-left: auto;
    padding: 0.35rem 0.8rem;
    border-radius: 9px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.chat-clear:hover {
    color: var(--error);
    border-color: color-mix(in srgb, var(--error) 40%, transparent);
    background: color-mix(in srgb, var(--error) 10%, transparent);
}

.chat-clear-icon {
    display: none;
    width: 16px;
    height: 16px;
}

.chat-body {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    padding: 1.3rem 1.2rem;
    background: var(--bg-2);
    max-height: 360px;
    overflow-y: auto;
}

.msg {
    display: flex;
    gap: 0.6rem;
    max-width: 82%;
}

.msg-user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.msg-avatar {
    display: inline-grid;
    place-items: center;
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    border-radius: 9px;
    background: var(--grad);
    color: #fff;
    font-size: 0.85rem;
}

.msg-bubble {
    padding: 0.7rem 0.95rem;
    border-radius: 14px;
    font-size: 0.92rem;
    line-height: 1.55;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.msg-bubble a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.msg-bot .msg-bubble {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-top-left-radius: 4px;
    color: var(--text);
    padding-right: 2.3rem;
}

.msg-user .msg-bubble {
    background: var(--grad);
    color: #fff;
    border-top-right-radius: 4px;
}

/* Кнопка копирования ответа ассистента */
.msg-copy {
    position: absolute;
    top: 0.45rem;
    right: 0.45rem;
    display: inline-grid;
    place-items: center;
    width: 26px;
    height: 26px;
    padding: 0;
    border: none;
    border-radius: 7px;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s, color 0.15s, background 0.15s;
}

.msg-copy svg {
    width: 15px;
    height: 15px;
}

.msg-copy .icon-check {
    display: none;
}

.msg-bot:hover .msg-copy,
.msg-copy:focus-visible {
    opacity: 1;
}

.msg-copy:hover {
    color: var(--text);
    background: color-mix(in srgb, var(--surface-2) 70%, transparent);
}

.msg-copy.copied {
    opacity: 1;
    color: #28c840;
}

.msg-copy.copied .icon-copy {
    display: none;
}

.msg-copy.copied .icon-check {
    display: inline;
}

/* Индикатор набора ответа */
.chat-typing .msg-bubble {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.85rem 1rem;
}

.typing-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--code-dim);
    animation: chat-bounce 1.2s infinite ease-in-out;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.15s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes chat-bounce {

    0%,
    60%,
    100% {
        transform: translateY(0);
        opacity: 0.5;
    }

    30% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

.chat-input {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    padding: 0.8rem 1rem;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.chat-input textarea {
    flex: 1;
    min-width: 160px;
    padding: 0.7rem 0.9rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    line-height: 1.4;
    resize: none;
    overflow-y: auto;
    height: auto;
    min-height: calc(1.4em + 1.4rem);
    max-height: calc(1.4em * 4 + 1.4rem);
}

.chat-input textarea::placeholder {
    color: var(--muted);
    opacity: 0.7;
}

.chat-input textarea:disabled {
    cursor: not-allowed;
    opacity: 0.65;
}

.chat-input .btn {
    flex-shrink: 0;
    margin-left: auto;
}

/* ---------- Страница инструмента ---------- */

.tool-main {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

.tool-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.6rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--muted);
    font-size: 0.92rem;
    transition: color 0.15s;
}

.back-link:hover {
    color: var(--text);
}

.tool-select {
    appearance: none;
    -webkit-appearance: none;
    padding: 0.45rem 2rem 0.45rem 0.9rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background-color: var(--surface);
    background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
        linear-gradient(135deg, var(--muted) 50%, transparent 50%);
    background-position: calc(100% - 15px) 55%, calc(100% - 10px) 55%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.tool-select:hover {
    border-color: var(--border-strong);
}

.tool-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.18);
}

.tool-hero {
    margin-bottom: 2rem;
}

.tool-hero-head {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.tool-hero h1 {
    font-size: clamp(1.8rem, 4.5vw, 2.6rem);
}

.tool-hero .tool-icon-lg {
    display: inline-grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    font-size: 1.7rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.18), rgba(34, 211, 238, 0.18));
    border: 1px solid var(--border);
}

.tool-hero p {
    color: var(--muted);
    margin-top: 0.5rem;
    font-size: 1.05rem;
}

/* ---------- Страница 404 ---------- */

.notfound-hero {
    padding: 3rem 0;
}

.notfound-code {
    font-size: clamp(5rem, 20vw, 9rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.notfound-hero h1 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    margin-top: 1rem;
}

.notfound-hero p {
    color: var(--muted);
    margin-top: 0.5rem;
    font-size: 1.05rem;
    max-width: 32rem;
}

.notfound-hero .btn {
    margin-top: 1.5rem;
}

.tool-layout {
    display: grid;
    grid-template-columns: minmax(280px, 380px) 1fr;
    gap: 1.5rem;
    align-items: start;
}

.tool-side {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ---------- Форма ---------- */

.tool-form {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.field label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
}

.field .field-label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
}

.field .radio-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    padding-left: 1rem;
}

.field .radio-option {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--text);
    cursor: pointer;
}

.field input[type="radio"] {
    width: auto;
    padding: 0;
    border: none;
    background: transparent;
    accent-color: var(--accent);
    cursor: pointer;
}

.field input[type="radio"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.18);
}

.field input,
.field textarea,
.field select {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.field textarea {
    resize: vertical;
    min-height: 84px;
}

.field select {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
        linear-gradient(135deg, var(--muted) 50%, transparent 50%);
    background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    cursor: pointer;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.18);
}

.field input::placeholder,
.field textarea::placeholder {
    color: var(--muted);
    opacity: 0.7;
}

.field input[type="file"] {
    padding: 0.6rem;
    cursor: pointer;
}

.field input[type="file"]::file-selector-button {
    padding: 0.4rem 0.8rem;
    margin-right: 0.6rem;
    border-radius: 8px;
    border: 1px solid var(--border-strong);
    background: var(--surface-2);
    color: var(--text);
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
}

.file-preview {
    max-width: 100%;
    max-height: 220px;
    object-fit: contain;
    border-radius: 10px;
    border: 1px solid var(--border);
}

/* Кнопка «Снять фото»: скрытый capture-инпут внутри label — клик по
   кнопке открывает камеру, а не файловый выборщик. */
.file-camera {
    margin-top: 0.5rem;
    padding: 0.55rem 1rem;
    font-size: 0.9rem;
    user-select: none;
}

.file-camera-input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* На десктопе (мышь) камеру не откроем — кнопку прячем. */
@media (pointer: fine) {
    .file-camera {
        display: none;
    }
}

/* Статус авто-OCR (file-поля с ocr: true): «Распознаём текст» +
   ascii-спиннер, «Текст добавлен ✓» или ошибка. */
.ocr-status {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--muted);
}

.ocr-status.error {
    color: var(--error);
}

/* ---------- Панель результата ---------- */

.result-panel {
    grid-column: 2;
    grid-row: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    border-radius: var(--radius);
    border: 1px solid var(--code-border);
    background: var(--code-bg);
    overflow: hidden;
    min-height: 420px;
}

.result-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.7rem 1rem;
    border-bottom: 1px solid var(--code-border);
    background: color-mix(in srgb, var(--code-text) 3%, transparent);
}

.result-head .traffic {
    display: flex;
    gap: 6px;
}

.result-head .traffic i {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    display: block;
}

.result-head .traffic i:nth-child(1) {
    background: #ff5f57;
}

.result-head .traffic i:nth-child(2) {
    background: #febc2e;
}

.result-head .traffic i:nth-child(3) {
    background: #28c840;
}

.result-head .label {
    font-size: 0.8rem;
    color: var(--code-dim);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    border-radius: 8px;
    border: 1px solid var(--code-border);
    background: color-mix(in srgb, var(--code-text) 4%, transparent);
    color: var(--code-text);
    font-size: 0.82rem;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.copy-btn:hover {
    background: color-mix(in srgb, var(--code-text) 8%, transparent);
    border-color: color-mix(in srgb, var(--code-text) 18%, transparent);
}

.copy-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.icon-speaker {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

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

.result {
    flex: 1;
    background: var(--surface);
    padding: 1.3rem 1.4rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--code-text);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
    min-width: 0;
}

.result:empty::before {
    content: "Здесь появится сгенерированный текст…";
    color: var(--code-dim);
}

.result.error {
    color: var(--error);
}

/* Разметка исправлений (Проверка орфографии): ошибка — красноватый фон,
   исправление — зеленоватый. */
.result .del {
    background: rgba(255, 107, 107, 0.32);
}

.result .add {
    background: rgba(40, 200, 64, 0.32);
}

.result.typing::after {
    content: "▌";
    color: var(--accent-2);
    margin-left: 2px;
    animation: blink 1s steps(1) infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

/* ---------- Отладочный лог (DEBUG=true) ---------- */

.debug-log {
    grid-column: 1 / -1;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 1rem 1.25rem 1.25rem;
}

.debug-log-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
}

.debug-log-close {
    padding: 0.25rem 0.6rem;
    border-radius: 7px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.debug-log-close:hover {
    color: var(--error);
    border-color: color-mix(in srgb, var(--error) 40%, transparent);
    background: color-mix(in srgb, var(--error) 10%, transparent);
}

.debug-block {
    margin-top: 0.9rem;
}

.debug-block-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    margin-bottom: 0.35rem;
}

.debug-log pre {
    margin: 0;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--code-border);
    background: var(--code-bg);
    color: var(--code-text);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
    font-size: 0.78rem;
    line-height: 1.5;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    max-height: 320px;
    overflow-y: auto;
}

.debug-meta {
    margin-top: 0.8rem;
    font-size: 0.75rem;
    color: var(--muted);
}

/* ---------- Панель озвучки (TTS) ---------- */

.tts-panel {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    padding: 0.7rem 1rem;
    border-top: 1px solid var(--code-border);
    background: var(--code-bg);
}

.tts-status {
    font-size: 0.85rem;
    color: var(--code-dim);
}

.tts-error {
    font-size: 0.85rem;
    color: var(--error);
}

.tts-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 34px;
    /* фиксированная высота: не прыгает при смене текста (⏹ Стоп) */
    padding: 0.35rem 0.7rem;
    border-radius: 8px;
    border: 1px solid var(--code-border);
    background: color-mix(in srgb, var(--code-text) 4%, transparent);
    color: var(--code-text);
    font-size: 0.82rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.tts-action:hover {
    background: color-mix(in srgb, var(--code-text) 8%, transparent);
    border-color: color-mix(in srgb, var(--code-text) 18%, transparent);
}

/* Страница /music: плеер песни занимает всю ширину панели. */
.tts-panel audio {
    flex: 1 1 100%;
    width: 100%;
    min-width: 0;
}

/* Страница /music: подсказка в пустой панели результата — про песню. */
#music-result:empty::before {
    content: "Здесь появится готовая песня…";
}

/* ---------- История результатов ---------- */

.history {
    min-width: 0;
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
}

.history-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    margin-bottom: 0.8rem;
}

.history-clear {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.6rem;
    border-radius: 7px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.history-clear:hover {
    color: var(--error);
    border-color: color-mix(in srgb, var(--error) 40%, transparent);
    background: color-mix(in srgb, var(--error) 10%, transparent);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    text-align: left;
    padding: 0.7rem 0.85rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.history-item-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.history-item:hover {
    border-color: var(--border-strong);
    background: var(--surface-2);
}

.history-item-text {
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-item-time {
    font-size: 0.78rem;
    color: var(--muted);
}

.history-del {
    flex-shrink: 0;
    display: inline-grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface-2);
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.history-del:hover {
    color: var(--error);
    border-color: color-mix(in srgb, var(--error) 45%, transparent);
    background: color-mix(in srgb, var(--error) 12%, transparent);
}

.history-audio {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-shrink: 0;
}

.history-audio .tts-action {
    height: 30px;
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

/* ---------- Страница «История» ---------- */

.results-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.results-toolbar {
    display: flex;
    justify-content: flex-end;
}

.results-tool {
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
}

.results-tool-head {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.results-tool-head .tool-icon {
    width: 38px;
    height: 38px;
    font-size: 1.15rem;
    margin-bottom: 0;
}

.results-tool-head h2 {
    font-size: 1.15rem;
    flex: 1;
}

.results-open {
    font-size: 0.9rem;
    color: var(--accent-2);
    font-weight: 600;
    transition: color 0.15s;
}

.results-open:hover {
    color: var(--accent);
}

.results-items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 0.85rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg);
    transition: border-color 0.15s, background 0.15s;
}

.result-item-link {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.result-item:hover {
    border-color: var(--border-strong);
    background: var(--surface-2);
}

.result-item-text {
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.result-item-time {
    font-size: 0.78rem;
    color: var(--muted);
    white-space: nowrap;
}

.results-empty {
    padding: 2rem 1.5rem;
    text-align: center;
    color: var(--muted);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius);
}

/* ---------- Подвал ---------- */

.site-footer {
    border-top: 1px solid var(--border);
    padding: 2rem 1.5rem;
    margin-top: 3rem;
    color: var(--muted);
    font-size: 0.88rem;
}

.site-footer .inner {
    max-width: var(--max-w);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.site-footer .note {
    max-width: 420px;
    font-size: 0.8rem;
}

/* ---------- Адаптивность ---------- */

@media (max-width: 960px) {
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tool-layout {
        grid-template-columns: 1fr;
    }

    /* Разворачиваем обёртку, чтобы вернуть порядок форма → результат → история */
    .tool-side {
        display: contents;
    }

    .tool-form {
        order: 0;
    }

    .result-panel {
        order: 1;
        grid-column: auto;
        grid-row: auto;
        /* Липкая шапка на узких экранах может занимать две строки —
       запас, чтобы панель не пряталась под ней при прокрутке к результату. */
        scroll-margin-top: 120px;
    }

    .history {
        order: 2;
    }

    .debug-log {
        grid-column: auto;
        order: 3;
    }
}

@media (max-width: 560px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .site-header {
        padding-bottom: 0;
    }

    .brand small {
        display: none;
    }

    .site-tools {
        order: 3;
        flex: 1 0 auto;
        width: calc(100% + 3rem);
        margin: 0 -1.5rem;
        padding: 0.6rem 1.5rem;
        border-top: 1px solid var(--border);
    }

    .history-text {
        display: none;
    }

    .icon-history {
        display: inline-block;
    }

    .chat-clear-text {
        display: none;
    }

    .chat-clear-icon {
        display: inline-block;
        vertical-align: middle;
    }

    .msg-avatar {
        display: none;
    }

    .msg-copy {
        opacity: 1;
    }

    .chat-input textarea {
        flex: 1 1 100%;
        min-width: 0;
    }
}

/* Уважение к prefers-reduced-motion: отключаем плавную прокрутку и анимации
   (эффект печати при этом уже показывает текст целиком — см. app.js). */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    body {
        transition: none;
    }

    .btn-primary.loading {
        animation: none;
    }

    .result.typing::after {
        animation: none;
    }

    .typing-dot {
        animation: none;
    }
}