:root {
    --surface-glass: rgba(255, 255, 255, 0.78);
    --surface-solid: rgba(255, 255, 255, 0.94);
    --surface-border: rgba(255, 255, 255, 0.45);
    --ring: rgba(15, 118, 110, 0.35);
    --shadow-soft: 0 18px 42px rgba(15, 23, 42, 0.13);
    --shadow-lift: 0 22px 48px rgba(15, 23, 42, 0.16);
    --accent-mix: color-mix(in srgb, var(--accent) 70%, white);
    --warm-mix: color-mix(in srgb, var(--accent-warm) 70%, white);
}

body {
    background: radial-gradient(circle at 8% 8%, rgba(255, 242, 229, 0.8), rgba(255, 242, 229, 0) 52%),
        radial-gradient(circle at 92% -2%, rgba(209, 237, 233, 0.85), rgba(209, 237, 233, 0) 52%),
        linear-gradient(165deg, var(--bg) 0%, var(--bg-alt) 100%);
}

body::before,
body::after {
    animation: ambient-float 18s ease-in-out infinite alternate;
}

body::after {
    animation-delay: 2s;
}

@keyframes ambient-float {
    from {
        transform: translate3d(0, 0, 0) scale(1);
    }
    to {
        transform: translate3d(12px, -10px, 0) scale(1.08);
    }
}

.page {
    max-width: 1320px;
}

.topbar {
    margin-bottom: 20px;
}

.nav a {
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 20px rgba(15, 118, 110, 0.08);
}

.nav a:hover {
    transform: translateY(-1px);
}

.page-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.hero-panel {
    border-radius: 20px;
    padding: 20px 22px;
    border: 1px solid var(--surface-border);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.66));
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
}

.hero-kicker {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 0.75rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--accent-dark);
}

.hero-panel h2 {
    font-family: "Sora", sans-serif;
    font-size: clamp(1.2rem, 1.8vw, 1.55rem);
    margin-bottom: 10px;
    line-height: 1.25;
}

.hero-subtitle {
    color: var(--muted);
    line-height: 1.5;
    font-size: 0.95rem;
}

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

.hero-tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent-dark);
    background: rgba(15, 118, 110, 0.11);
    border: 1px solid rgba(15, 118, 110, 0.18);
}

.hero-steps-title {
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 10px;
    font-weight: 600;
}

.hero-steps {
    list-style: none;
    display: grid;
    gap: 8px;
    margin: 0;
    padding: 0;
}

.hero-step {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(230, 226, 216, 0.7);
}

.hero-step-index {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 0.78rem;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, var(--accent) 0%, #17a398 100%);
}

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

.layout {
    align-items: start;
}

.card {
    background: var(--surface-glass);
    border: 1px solid var(--surface-border);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-soft);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lift);
    border-color: rgba(15, 118, 110, 0.22);
}

.card-header h2,
.card-header h3 {
    letter-spacing: -0.01em;
}

.upload-area {
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.06), rgba(255, 255, 255, 0.7));
    border-color: rgba(15, 118, 110, 0.42);
}

.upload-area:hover {
    border-color: rgba(15, 118, 110, 0.65);
    box-shadow: inset 0 0 0 1px rgba(15, 118, 110, 0.15);
}

.upload-area.dragover {
    background: linear-gradient(135deg, rgba(231, 111, 81, 0.15), rgba(255, 255, 255, 0.7));
}

.field input,
.qa-chat-input,
.table-wrap,
.text-box,
.qa-chat-empty,
.file-info {
    background: var(--surface-solid);
}

.field input:focus,
.qa-chat-input:focus {
    box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.advanced-settings {
    border: 1px solid rgba(230, 226, 216, 0.8);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.6);
    padding: 0 10px 10px;
}

.advanced-settings summary {
    cursor: pointer;
    list-style: none;
    padding: 10px 4px;
    font-weight: 700;
    color: var(--accent-dark);
    font-size: 0.88rem;
}

.advanced-settings summary::-webkit-details-marker {
    display: none;
}

.advanced-settings summary::after {
    content: "Show";
    float: right;
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--muted);
}

.advanced-settings[open] summary::after {
    content: "Hide";
}

.advanced-note {
    margin: 0 4px 10px;
    font-size: 0.8rem;
    color: var(--muted);
}

.profile-selector {
    display: grid;
    gap: 8px;
}

.profile-switch {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.profile-option {
    border: 1px solid rgba(230, 226, 216, 0.95);
    border-radius: 10px;
    padding: 8px 10px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.8);
    cursor: pointer;
}

.profile-option.is-active {
    border-color: rgba(15, 118, 110, 0.4);
    background: rgba(15, 118, 110, 0.14);
    color: #0b5f59;
}

.profile-option:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.profile-hint {
    margin: 0;
    font-size: 0.8rem;
    color: var(--muted);
}

.btn,
.icon-btn,
.chip-btn {
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover:not(:disabled),
.icon-btn:hover,
.chip-btn:hover {
    transform: translateY(-1px);
}

.btn.primary {
    box-shadow: 0 14px 26px rgba(15, 118, 110, 0.3);
}

.btn.primary:hover:not(:disabled) {
    box-shadow: 0 18px 30px rgba(15, 118, 110, 0.35);
}

.progress {
    overflow: hidden;
}

.progress-stages {
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.progress-stage {
    font-size: 0.74rem;
    line-height: 1.2;
    padding: 8px 8px;
    text-align: center;
    color: var(--muted);
    border-radius: 999px;
    border: 1px solid rgba(230, 226, 216, 0.9);
    background: rgba(255, 255, 255, 0.62);
}

.progress-stage.is-active {
    color: var(--accent-dark);
    border-color: rgba(15, 118, 110, 0.35);
    background: rgba(15, 118, 110, 0.14);
    font-weight: 700;
}

.progress-stage.is-complete {
    color: #0b5f59;
    border-color: rgba(15, 118, 110, 0.4);
    background: rgba(15, 118, 110, 0.2);
}

.result-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.result-filter {
    border: 1px solid rgba(230, 226, 216, 0.9);
    border-radius: 999px;
    padding: 6px 11px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.75);
    cursor: pointer;
}

.result-filter.is-active {
    color: #0b5f59;
    background: rgba(15, 118, 110, 0.14);
    border-color: rgba(15, 118, 110, 0.35);
}

.result-block {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(230, 226, 216, 0.85);
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

.result-block.is-hidden {
    display: none !important;
}

.summary-item {
    background: rgba(255, 255, 255, 0.68);
}

.icon-btn {
    border: 1px solid rgba(15, 118, 110, 0.2);
}

.icon-btn:hover {
    background: rgba(15, 118, 110, 0.15);
    border-color: rgba(15, 118, 110, 0.35);
}

.status,
.page-info {
    font-weight: 500;
}

.table-wrap {
    border-color: rgba(230, 226, 216, 0.85);
}

tbody tr:nth-child(2n) {
    background: rgba(245, 244, 239, 0.45);
}

tbody tr:hover {
    background: rgba(15, 118, 110, 0.09);
}

.modal-overlay {
    backdrop-filter: blur(6px);
}

.modal {
    background: linear-gradient(170deg, rgba(255, 255, 255, 0.97), rgba(250, 252, 251, 0.98));
    border: 1px solid rgba(230, 226, 216, 0.75);
}

.search-help {
    margin-top: 8px;
    font-size: 0.82rem;
    color: var(--muted);
}

.hero-stats {
    display: grid;
    gap: 8px;
}

.hero-stat {
    border-radius: 12px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(230, 226, 216, 0.72);
}

.hero-stat span {
    display: block;
    font-size: 0.76rem;
    color: var(--muted);
    margin-bottom: 4px;
}

.hero-stat strong {
    font-family: "Sora", sans-serif;
    font-size: 1.15rem;
}

.speaker-alias-editor {
    margin: 10px 0 12px;
    padding: 10px;
    border-radius: 12px;
    border: 1px solid rgba(230, 226, 216, 0.85);
    background: rgba(255, 255, 255, 0.72);
}

.speaker-alias-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.speaker-alias-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--muted);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.speaker-alias-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 8px;
}

.speaker-alias-item {
    display: grid;
    gap: 6px;
}

.speaker-alias-label {
    font-family: "Sora", sans-serif;
    font-size: 0.75rem;
    color: var(--accent-dark);
    font-weight: 700;
}

.speaker-alias-input {
    border-radius: 10px;
    border: 1px solid rgba(230, 226, 216, 0.9);
    padding: 8px 10px;
    font: inherit;
    line-height: 1.35;
    background: var(--surface-solid);
}

.speaker-alias-input:focus {
    outline: none;
    border-color: rgba(15, 118, 110, 0.58);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.speaker-alias-reset {
    white-space: nowrap;
}

.speaker-alias-empty {
    font-size: 0.84rem;
    color: var(--muted);
}

@media (max-width: 1120px) {
    .page-hero {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .progress-stages {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    body {
        padding: 18px 14px 24px;
    }

    .hero-panel {
        padding: 16px;
    }

    .card {
        padding: 16px;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .actions {
        display: grid;
    }

    .speaker-alias-top {
        align-items: stretch;
        flex-direction: column;
    }

    .profile-switch {
        grid-template-columns: 1fr;
    }
}