:root {
    --bg-start: #090d1a;
    --bg-end: #12182b;
    --panel: rgba(255, 255, 255, 0.11);
    --surface: rgba(255, 255, 255, 0.07);
    --surface-soft: rgba(255, 255, 255, 0.14);
    --text: #ffffff;
    --muted: #d5dbf2;
    --accent: #6366f1;
    --accent-2: #4338ca;
    --icon: #dbe2ff;
    --danger-bg: #4a2035;
    --danger-text: #ffc4dd;
    --border: rgba(255, 255, 255, 0.24);
    --focus: #f0f3ff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Outfit", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 14% 10%, rgba(99, 102, 241, 0.12), transparent 34%),
        radial-gradient(circle at 86% 88%, rgba(255, 255, 255, 0.08), transparent 42%),
        linear-gradient(145deg, var(--bg-start), var(--bg-end));
    min-height: 100vh;
    overflow-x: hidden;
}

.page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.panel {
    width: min(900px, 100%);
    background: var(--panel);
    border: 1px solid rgba(255, 255, 255, 0.38);
    border-radius: 20px;
    padding: 28px;
    backdrop-filter: blur(8px);
    box-shadow:
        0 26px 70px rgba(4, 7, 18, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.18) inset;
}

h1 {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 2.2rem);
}

.brand-title {
    display: inline-flex;
    align-items: center;
    gap: 1.5rem;
}

.brand-title-logo {
    width: 60px;
}

.brand-title-text {
    width: clamp(2rem, 40vw, 15rem);
}

.subtitle {
    margin-top: 8px;
    color: var(--muted);
}

.panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.panel-header .subtitle {
    margin-bottom: 0;
}

.ghost-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 38px;
    padding: 0 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}

.ghost-link:hover {
    border-color: rgba(255, 255, 255, 0.55);
    background: rgba(255, 255, 255, 0.14);
}

.kpi-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.kpi-card {
    margin: 0;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
}

.kpi-label {
    margin: 0;
    color: var(--muted);
    font-size: 0.84rem;
}

.kpi-value {
    margin: 6px 0 0;
    font-size: 1.1rem;
    font-weight: 700;
}

.form {
    display: grid;
    gap: 14px;
    margin-top: 20px;
}

label,
legend {
    font-weight: 600;
}

.icon {
    display: block;
    color: var(--icon);
    flex: 0 0 auto;
}

.icon-sm {
    width: 16px;
    height: 16px;
}

.icon-md {
    width: 18px;
    height: 18px;
}

.fa-ui {
    color: var(--icon);
    font-size: 0.95rem;
    line-height: 1;
}

.url-input-wrap {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--icon);
    pointer-events: none;
}

input[type="url"] {
    width: 100%;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: 12px;
    height: 50px;
    padding: 0 14px 0 44px;
    font: inherit;
    color: inherit;
    font-size: 1.2rem;
}

input[type="url"]:focus {
    outline: 2px solid var(--focus);
    outline-offset: 1px;
}

.url-preview {
    margin-top: 2px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 10px;
    padding: 8px;
    align-items: center;
}

.url-preview[hidden] {
    display: none;
}

.url-preview-image {
    width: 112px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 9px;
    background: var(--surface-soft);
}

.url-preview-text {
    min-width: 0;
}

.url-preview-title {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.url-preview-channel {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 0.82rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mode-group {
    display: grid;
    gap: 10px;
    border: 0;
    padding: 0;
    margin: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.legend-inline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.mode-option {
    display: block;
    width: 100%;
    position: relative;
    cursor: pointer;
}

.mode-option-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.mode-option-card {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    min-height: 58px;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.mode-option-text {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.mode-option-title {
    color: var(--text);
    font-size: 1.05rem;
    font-weight: 700;
}

.mode-option-description {
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 100;
}

.mode-option-check {
    color: rgba(255, 255, 255, 0.62);
    opacity: 0.65;
    font-size: 1rem;
}

.mode-option-input:checked+.mode-option-card {
    border-color: #cfd6ffdb;
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.36), rgba(67, 56, 202, 0.3));
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.24);
}

.mode-option-input:checked+.mode-option-card .mode-option-check {
    color: var(--accent);
    opacity: 1;
}

.mode-option-input:focus-visible+.mode-option-card {
    outline: 2px solid var(--focus);
    outline-offset: 1px;
}

.submit-button {
    margin-top: 4px;
    border: 0;
    border-radius: 12px;
    height: 48px;
    padding: 0 16px;
    font: inherit;
    font-size: 1.25rem;
    font-weight: 600;
    text-transform: capitalize;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: filter 0.2s ease;
    box-shadow: 0 10px 20px rgba(51, 65, 150, 0.36);
}

.button-icon {
    display: inline-flex;
}

.submit-button:hover {
    filter: brightness(1.05);
}

.submit-button:disabled {
    cursor: wait;
    filter: none;
}

.button-spinner {
    display: none;
    color: #ffffff;
    font-size: 0.95rem;
}

.submit-button.is-loading .button-spinner {
    display: inline-flex;
    animation: spin 0.95s linear infinite;
}

.submit-button.is-loading .button-icon {
    display: none;
}

.message {
    margin-top: 18px;
    padding: 12px 14px;
    border-radius: 12px;
}

.error {
    background: var(--danger-bg);
    color: var(--danger-text);
}

.result {
    margin-top: 20px;
    border-top: 1px solid var(--border);
    padding-top: 18px;
}

.meta-chips {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    padding: 7px 11px;
}

.meta-text {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
}

.meta-label {
    color: var(--muted);
    font-size: 0.77rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.summary-title {
    margin: 16px 0 0;
    font-size: 1.16rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.summary-card {
    margin-top: 12px;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    background:
        radial-gradient(circle at 100% 0%, rgba(255, 255, 255, 0.15), transparent 52%),
        rgba(255, 255, 255, 0.07);
    box-shadow: 0 8px 20px rgba(10, 15, 34, 0.35);
}

.summary-content {
    margin: 0;
    word-break: break-word;
    line-height: 1.65;
    color: #f5f7ff;
}

.summary-content p {
    margin: 0 0 10px;
}

.summary-content p:last-child {
    margin-bottom: 0;
}

.summary-content ul {
    margin: 6px 0 10px 18px;
    padding: 0;
}

.summary-content li {
    margin: 0 0 6px;
}

.summary-content h3,
.summary-content h2,
.summary-content h1 {
    margin: 12px 0 8px;
    line-height: 1.35;
}

.stats-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.stats-card {
    margin: 0;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
}

.stats-label {
    margin: 0;
    color: var(--muted);
    font-size: 0.84rem;
}

.stats-value {
    margin: 6px 0 0;
    font-size: 1.12rem;
    font-weight: 700;
}

.stats-section {
    margin-top: 16px;
}

.stats-mode-grid {
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.stats-mode-title {
    margin: 0;
    font-size: 1rem;
}

.stats-list {
    margin-top: 10px;
    display: grid;
    gap: 8px;
}

.stats-list p {
    margin: 0;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.93rem;
    color: var(--muted);
}

.stats-list strong {
    color: var(--text);
    font-weight: 700;
}

.stats-updated {
    margin: 14px 0 0;
    color: var(--muted);
    font-size: 0.88rem;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 900px) {
    .stats-mode-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .panel {
        padding: 20px;
    }

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

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

    .mode-group {
        grid-template-columns: 1fr;
    }

    .meta-text {
        gap: 4px;
    }

    .meta-label {
        letter-spacing: 0.03em;
    }
}

@media (max-width: 920px) {
    .mode-group {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 921px) {
    .mode-option {
        height: 100%;
    }

    .mode-option-card {
        height: 100%;
        align-items: flex-start;
        padding-right: 42px;
    }

    .mode-option-check {
        position: absolute;
        top: 12px;
        right: 12px;
    }
}