@font-face {
    font-family: 'Play';
    src: url('play-regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Play';
    src: url('play-bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

:root {
    --bg-primary: #0f172a;
    --bg-card: #1e293b;
    --bg-list: #334155;
    --border: #475569;
    --accent: #60a5fa;
    --text-light: #f1f5f9;
    --text-secondary: #94a3b8;
    --radius: 4px;
    --shadow-soft: 0 6px 18px rgba(0, 0, 0, 0.22);
    --shadow-text: 0 2px 5px rgba(0, 0, 0, 0.7);
}

* {
    box-sizing: border-box;
}

html {
    font-size: 14px;
}

body {
    margin: 0;
    padding: 0;
    background: var(--bg-primary);
    color: var(--text-light);
    font-family: 'Play', Arial, sans-serif;
    font-size: 13pt;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at top, rgba(96, 165, 250, 0.08), transparent 45%);
    pointer-events: none;
}

.page {
    padding: 24px 12px 12px;
}

.stack {
    width: min(80%, 1120px);
    margin: 0 auto;
}

.search-panel,
.card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}

.search-panel {
    background: var(--bg-list);
    padding: 12px 20px 20px;
    margin-bottom: 12px;
}

.card {
    background: var(--bg-card);
    padding: 12px 20px 20px;
    margin-bottom: 12px;
}

.answer-card {
    background: #27364a;
}

.search-form {
    display: grid;
    gap: 10px;
}

.panel-header,
.search-row,
.controls-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.panel-header {
    justify-content: space-between;
}

.panel-title {
    color: #fff;
    font-size: 18pt;
    font-weight: 700;
    text-shadow: var(--shadow-text);
}

.panel-model {
    color: var(--text-secondary);
    font-size: 0.92rem;
    white-space: nowrap;
}

.search-row {
    justify-content: space-between;
    padding: 8px 0;
}

.search-input,
.submit-button {
    min-height: 38px;
}

.search-input {
    flex: 1 1 auto;
    width: 100%;
    background: var(--bg-primary);
    color: var(--text-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 12px;
    font: inherit;
    line-height: 1.2;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.25);
    outline: none;
}

.search-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.8;
}

.search-input:focus {
    border-color: var(--accent);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.25), 0 0 0 2px rgba(96, 165, 250, 0.28);
}

.search-input:disabled {
    opacity: 0.8;
    cursor: not-allowed;
}

.submit-button {
    flex: 0 0 auto;
    min-width: 92px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 10px 16px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
    transition: background 0.2s ease, transform 0.1s ease;
}

.submit-button:hover {
    background: #3b82f6;
}

.submit-button:disabled {
    opacity: 0.8;
    cursor: wait;
}

.submit-button:active {
    transform: translateY(1px);
}

.controls-row {
    justify-content: space-between;
    align-items: flex-start;
}

.level-block {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.level-heading {
    color: #fff;
    font-size: 0.95rem;
    white-space: nowrap;
}

.level-options {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.radio-inline,
.checkbox-inline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    user-select: none;
}

.radio-inline span,
.checkbox-inline span {
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.radio-inline input,
.checkbox-inline input {
    width: 16px;
    height: 16px;
    margin: 0;
    accent-color: var(--accent);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.25);
}

.reset-inline {
    margin-left: auto;
}

.card-title {
    margin: 0 0 8px 0;
    color: #fff;
    font-size: 15pt;
    font-weight: 700;
    text-shadow: var(--shadow-text);
}

.card-title a {
    color: var(--accent);
    text-decoration: none;
}

.answer-html,
.result-snippet,
.result-link {
    color: #cbd5e1;
    line-height: 1.45;
}

.answer-html p,
.result-snippet p {
    margin: 0 0 10px 0;
}

.answer-html ul,
.answer-html ol {
    margin: 0 0 10px 0;
    padding-left: 2.1rem;
}

.answer-html li {
    margin: 0 0 6px 0.15rem;
    padding-left: 0.15rem;
}

.answer-html a,
.result-link a,
.result-snippet a {
    color: var(--accent);
    text-decoration: none;
}

.answer-html a:hover,
.answer-html a:focus,
.result-link a:hover,
.result-link a:focus,
.result-snippet a:hover,
.result-snippet a:focus,
.card-title a:hover,
.card-title a:focus {
    text-decoration: underline;
}

.result-link {
    margin: 0 0 8px 0;
    font-size: 1em;
    line-height: 1.45;
    word-break: break-word;
}

.result-link .emoji {
    margin-right: 6px;
}

.loading-card {
    border-color: #2f6b47;
    background: #14311f;
}

.loading-card .card-title {
    color: #7fff7f;
}

.loading-card .result-snippet {
    color: #ffffff;
}

.error-card {
    border-color: #7f1d1d;
    background: #3b1212;
}

.error-card .card-title {
    color: #fecaca;
}

@media (max-width: 1100px) {
    .stack {
        width: calc(100% - 24px);
    }
}

@media (max-width: 900px) {
    .panel-header,
    .search-row,
    .controls-row {
        flex-wrap: wrap;
    }

    .reset-inline {
        margin-left: 0;
    }
}

@media (max-width: 700px) {
    .search-row {
        flex-direction: column;
        align-items: stretch;
    }

    .submit-button {
        width: 100%;
    }

    .controls-row {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .level-block,
    .level-options {
        width: 100%;
    }

    .reset-inline {
        align-self: flex-start;
    }
}