:root {
    --minimal-bg: #08090c;
    --minimal-surface: rgba(18, 19, 24, 0.88);
    --minimal-surface-raised: #191a20;
    --minimal-border: rgba(255, 255, 255, 0.085);
    --minimal-border-strong: rgba(255, 255, 255, 0.15);
    --minimal-text: #f4f4f5;
    --minimal-muted: #9295a0;
    --minimal-accent: #8b7cff;
    --minimal-accent-hover: #9d91ff;
    --minimal-success: #5fd6a7;
    --minimal-danger: #ff7070;
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: dark;
}

body.minimal-theme {
    min-height: 100vh;
    margin: 0;
    background-color: var(--minimal-bg) !important;
    background-image:
        radial-gradient(circle at 50% -15%, rgba(112, 91, 255, 0.16), transparent 35%),
        radial-gradient(circle at 92% 16%, rgba(31, 136, 255, 0.07), transparent 28%) !important;
    background-attachment: fixed;
    color: var(--minimal-text);
    font-family: "Space Grotesk", system-ui, sans-serif;
    letter-spacing: normal;
}

body.minimal-theme::before,
body.minimal-theme::after {
    display: none !important;
}

.minimal-theme .hidden,
.minimal-theme .workspace-hidden {
    display: none !important;
}

.minimal-theme .container {
    width: min(1040px, calc(100% - 40px));
    max-width: none;
    min-height: auto;
    margin: 0 auto;
    padding: 0 0 48px;
    display: block;
}

.minimal-theme .header {
    min-height: 78px;
    padding: 0 2px;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    background: transparent !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    text-align: left;
}

.minimal-theme .header::before,
.minimal-theme .header::after,
.minimal-theme .logo::before {
    display: none;
}

.minimal-theme .logo {
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    color: var(--minimal-text);
    -webkit-text-fill-color: currentColor;
    font-family: "Space Grotesk", system-ui, sans-serif;
    font-size: 1rem;
    font-weight: 650;
    line-height: 1;
    letter-spacing: -0.02em;
    text-decoration: none;
    text-transform: none;
    display: inline-flex;
    align-items: center;
    gap: 13px;
}

.minimal-theme .brand-logo {
    display: block;
    width: 132px;
    height: auto;
    object-fit: contain;
}

.minimal-theme .product-label {
    min-height: 27px;
    padding: 0 10px;
    border-left: 1px solid var(--minimal-border-strong);
    color: #9a9da7;
    font-size: 0.82rem;
    font-weight: 550;
    display: inline-flex;
    align-items: center;
}

.minimal-theme .slogan {
    max-width: none;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    color: var(--minimal-muted);
    -webkit-text-fill-color: currentColor;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.minimal-theme .status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--minimal-success);
    box-shadow: 0 0 0 4px rgba(95, 214, 167, 0.1);
}

.minimal-theme .hero {
    max-width: 780px;
    padding: 84px 0 52px;
}

.minimal-theme .hero-kicker {
    color: #9e92ff;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.minimal-theme .hero-kicker i {
    font-size: 0.95rem;
}

.minimal-theme .hero h1 {
    margin: 13px 0 13px;
    color: var(--minimal-text);
    max-width: 760px;
    font-size: clamp(2.6rem, 6.6vw, 4.9rem);
    font-weight: 620;
    line-height: 0.96;
    letter-spacing: -0.065em;
}

.minimal-theme .hero p {
    max-width: 630px;
    margin: 0;
    color: var(--minimal-muted);
    font-size: clamp(1rem, 2vw, 1.12rem);
    line-height: 1.65;
}

.minimal-theme .main {
    width: 100%;
    max-width: none;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.minimal-theme .workspace-nav {
    width: fit-content;
    max-width: 100%;
    margin: 0 0 12px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    display: flex;
    flex-wrap: nowrap;
    gap: 7px;
    overflow-x: auto;
}

.minimal-theme .workspace-btn {
    min-height: 40px;
    padding: 0 17px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    box-shadow: none;
    color: var(--minimal-muted);
    font: inherit;
    font-size: 0.9rem;
    font-weight: 550;
    white-space: nowrap;
    cursor: pointer;
    transition: color 160ms ease, background-color 160ms ease;
}

.minimal-theme .workspace-btn:hover {
    color: var(--minimal-text);
    border-color: var(--minimal-border);
    background: rgba(255, 255, 255, 0.035);
    transform: none;
    box-shadow: none;
}

.minimal-theme .workspace-btn.active {
    color: var(--minimal-text);
    border-color: var(--minimal-border-strong);
    background: #1a1b21;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    transform: none;
    box-shadow: none;
}

.minimal-theme .workspace-btn i {
    margin-right: 6px;
    font-size: 1rem;
    vertical-align: -1px;
}

.minimal-theme .input-section,
.minimal-theme #videoCard,
.minimal-theme #playlistCard,
.minimal-theme #frameExtractorCard,
.minimal-theme .convert-studio-card {
    width: 100%;
    padding: 32px;
    border: 1px solid var(--minimal-border);
    border-radius: 22px;
    background: linear-gradient(145deg, rgba(19, 20, 25, 0.96), rgba(13, 14, 18, 0.96));
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.025);
    backdrop-filter: blur(18px);
    position: relative;
    overflow: hidden;
}

.minimal-theme .input-section::before,
.minimal-theme #frameExtractorCard::before,
.minimal-theme .convert-studio-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 28px;
    right: 28px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(157, 145, 255, 0.55), transparent);
    pointer-events: none;
}

.minimal-theme .section-heading {
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.minimal-theme .section-icon {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    border: 1px solid rgba(157, 145, 255, 0.2);
    border-radius: 12px;
    background: rgba(139, 124, 255, 0.1);
    color: #a89dff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.minimal-theme .section-heading h2 {
    margin: 0 0 4px;
    color: var(--minimal-text);
    font-size: 1.15rem;
    font-weight: 650;
    letter-spacing: -0.025em;
}

.minimal-theme .section-heading p {
    margin: 0;
    color: var(--minimal-muted);
    font-size: 0.85rem;
}

.minimal-theme .input-wrapper {
    width: 100%;
    min-height: 60px;
    padding: 6px;
    border: 1px solid var(--minimal-border-strong);
    border-radius: 14px;
    background: rgba(7, 8, 11, 0.72);
    box-shadow: none;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr) 42px auto;
    gap: 4px;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.minimal-theme .input-wrapper:focus-within {
    border-color: var(--minimal-accent);
    box-shadow: 0 0 0 3px rgba(139, 124, 255, 0.12);
}

.minimal-theme .url-input,
.minimal-theme .frame-input,
.minimal-theme .convert-input,
.minimal-theme input[type="text"],
.minimal-theme input[type="number"],
.minimal-theme input[type="file"],
.minimal-theme textarea,
.minimal-theme select {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--minimal-border);
    border-radius: 9px;
    background: #0c0d10;
    box-shadow: none;
    color: var(--minimal-text);
    font: inherit;
    font-size: 0.95rem;
}

.minimal-theme .input-wrapper .url-input {
    border: 0;
    background: transparent;
    padding: 0 10px;
    order: 0;
}

.minimal-theme input:focus,
.minimal-theme textarea:focus,
.minimal-theme select:focus {
    outline: none;
    border-color: var(--minimal-accent);
    box-shadow: 0 0 0 3px rgba(139, 124, 255, 0.12);
}

.minimal-theme .input-wrapper .url-input:focus {
    box-shadow: none;
}

.minimal-theme input::placeholder,
.minimal-theme textarea::placeholder {
    color: #666a75;
    -webkit-text-fill-color: #666a75;
}

.minimal-theme .platform-icon,
.minimal-theme .paste-btn {
    width: 42px;
    height: 42px;
    padding: 0;
    border: 0;
    border-radius: 8px;
    background: transparent;
    box-shadow: none;
    color: var(--minimal-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.minimal-theme .paste-btn {
    cursor: pointer;
}

.minimal-theme .paste-btn:hover {
    color: var(--minimal-text);
    background: var(--minimal-surface-raised);
}

.minimal-theme .fetch-btn,
.minimal-theme .frame-extract-btn,
.minimal-theme .convert-run-btn,
.minimal-theme .download-btn,
.minimal-theme .frame-zip-btn,
.minimal-theme .convert-download-btn {
    min-height: 42px;
    padding: 0 18px;
    border: 0;
    border-radius: 9px;
    background: linear-gradient(135deg, #9486ff, #705cff);
    box-shadow: none;
    color: white;
    font: inherit;
    font-size: 0.91rem;
    font-weight: 650;
    text-transform: none;
    letter-spacing: normal;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(112, 92, 255, 0.2);
    transition: filter 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.minimal-theme .fetch-btn:hover,
.minimal-theme .frame-extract-btn:hover,
.minimal-theme .convert-run-btn:hover,
.minimal-theme .download-btn:hover,
.minimal-theme .frame-zip-btn:hover,
.minimal-theme .convert-download-btn:hover {
    background: linear-gradient(135deg, #a195ff, #806eff);
    box-shadow: 0 10px 30px rgba(112, 92, 255, 0.28);
    transform: translateY(-1px);
}

.minimal-theme .supported-platforms {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 9px;
    margin-top: 14px;
    padding-top: 13px;
    border-top: 1px solid var(--minimal-border);
}

.minimal-theme .platform-support-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
}

.minimal-theme .platforms-heading {
    color: var(--minimal-text);
}

.minimal-theme .platform-badge-list {
    justify-content: flex-start;
    gap: 8px 12px;
}

.minimal-theme .platform-support-note {
    color: var(--minimal-muted);
    text-align: left;
}

.minimal-theme .platform-badge {
    min-height: 0;
    height: auto;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    color: var(--minimal-muted);
    -webkit-text-fill-color: currentColor;
    font-size: 0.75rem;
    font-weight: 500;
}

.minimal-theme .frame-extractor-header,
.minimal-theme .convert-header {
    margin-bottom: 8px;
    padding: 0;
    border: 0;
    background: transparent;
}

.minimal-theme .frame-extractor-header h3,
.minimal-theme .convert-header h3 {
    color: var(--minimal-text);
    font-size: 1.35rem;
    letter-spacing: -0.025em;
}

.minimal-theme .frame-extractor-subtitle,
.minimal-theme .convert-subtitle,
.minimal-theme .tool-guide-text,
.minimal-theme .frame-status-text {
    color: var(--minimal-muted);
}

.minimal-theme .frame-extractor-badge,
.minimal-theme .convert-badge {
    border: 1px solid var(--minimal-border);
    background: var(--minimal-surface-raised);
    color: var(--minimal-muted);
    box-shadow: none;
}

.minimal-theme .tool-wizard,
.minimal-theme .frame-settings-panel,
.minimal-theme .frame-source-panel,
.minimal-theme .convert-panel,
.minimal-theme .upload-dropzone,
.minimal-theme .frame-results,
.minimal-theme .convert-result-box {
    border-color: var(--minimal-border);
    background: #0d0e12;
    box-shadow: none;
}

.minimal-theme .panel-step-title {
    color: var(--minimal-text);
}

.minimal-theme .panel-step-title span,
.minimal-theme .tool-wizard-num {
    background: var(--minimal-surface-raised);
    color: var(--minimal-muted);
    border-color: var(--minimal-border-strong);
    box-shadow: none;
}

.minimal-theme .tool-wizard-step.is-active .tool-wizard-num {
    background: var(--minimal-accent);
    color: #fff;
}

.minimal-theme .frame-source-btn,
.minimal-theme .convert-switch-btn,
.minimal-theme .frame-advanced-toggle,
.minimal-theme .frame-pick-btn,
.minimal-theme .convert-pick-btn,
.minimal-theme .text-btn {
    border: 1px solid var(--minimal-border);
    background: var(--minimal-surface-raised);
    box-shadow: none;
    color: var(--minimal-muted);
}

.minimal-theme .frame-source-btn.active,
.minimal-theme .convert-switch-btn.active {
    border-color: var(--minimal-border-strong);
    background: #25262d;
    color: var(--minimal-text);
}

.minimal-theme .footer {
    margin-top: 44px;
    padding: 22px 0 0;
    border: 0;
    background: transparent;
    color: var(--minimal-muted);
    text-align: center;
}

.minimal-theme .footer-divider,
.minimal-theme .footer-sub {
    display: none;
}

.minimal-theme .footer-text {
    color: var(--minimal-muted);
    font-size: 0.8rem;
}

.minimal-theme .footer-heart {
    color: var(--minimal-accent);
}

@media (max-width: 680px) {
    .minimal-theme .container {
        width: min(100% - 24px, 960px);
    }

    .minimal-theme .header {
        min-height: 70px;
    }

    .minimal-theme .brand-logo {
        width: 112px;
    }

    .minimal-theme .product-label {
        min-height: 24px;
        padding: 0 0 0 9px;
        font-size: 0.74rem;
    }

    .minimal-theme .hero {
        padding: 58px 0 36px;
    }

    .minimal-theme .hero h1 {
        font-size: clamp(2.25rem, 13vw, 3.2rem);
    }

    .minimal-theme .slogan {
        display: none;
    }

    .minimal-theme .main {
        margin-top: 0;
        gap: 16px;
    }

    .minimal-theme .workspace-nav {
        width: 100%;
        margin-bottom: 6px;
    }

    .minimal-theme .workspace-btn {
        flex: 1;
        padding: 0 10px;
    }

    .minimal-theme .input-section,
    .minimal-theme #videoCard,
    .minimal-theme #playlistCard,
    .minimal-theme #frameExtractorCard,
    .minimal-theme .convert-studio-card {
        padding: 20px;
        border-radius: 17px;
    }

    .minimal-theme .input-wrapper {
        grid-template-columns: 36px minmax(0, 1fr) 40px;
    }

    .minimal-theme .input-wrapper .platform-icon {
        width: 36px;
    }

    .minimal-theme .input-wrapper .fetch-btn {
        grid-column: 1 / -1;
        width: 100%;
        margin-top: 3px;
    }

    .minimal-theme .supported-platforms {
        display: flex;
    }

    .minimal-theme .platform-support-panel {
        display: grid;
    }
}

/* Smart controls and process feedback */
.minimal-theme .interval-presets {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 5px;
}

.minimal-theme .interval-presets button {
    min-height: 38px;
    padding: 0 8px;
    border: 1px solid var(--minimal-border);
    border-radius: 9px;
    background: #101116;
    color: var(--minimal-muted);
    font: inherit;
    font-size: 0.76rem;
    cursor: pointer;
}

.minimal-theme .interval-presets button:hover,
.minimal-theme .interval-presets button.active {
    border-color: rgba(139, 124, 255, 0.4);
    background: rgba(139, 124, 255, 0.13);
    color: #c2bbff;
}

.minimal-theme .field-with-unit {
    position: relative;
    margin-top: 7px;
}

.minimal-theme .field-with-unit input {
    padding-right: 48px;
}

.minimal-theme .field-with-unit span {
    position: absolute;
    right: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: #70737d;
    font-size: 0.75rem;
    pointer-events: none;
}

.minimal-theme .smart-type-panel {
    min-height: 64px;
    margin-bottom: 10px;
    padding: 10px 11px;
    border: 1px solid var(--minimal-border);
    border-radius: 13px;
    background: rgba(139, 124, 255, 0.055);
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr) auto;
    align-items: center;
    gap: 11px;
}

.minimal-theme .smart-type-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(139, 124, 255, 0.14);
    color: #aaa1ff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.minimal-theme .smart-type-panel strong,
.minimal-theme .smart-type-panel small {
    display: block;
}

.minimal-theme .smart-type-panel strong {
    margin-bottom: 3px;
    color: #dedee3;
    font-size: 0.84rem;
    font-weight: 620;
}

.minimal-theme .smart-type-panel small {
    color: #777a84;
    font-size: 0.72rem;
    line-height: 1.35;
}

.minimal-theme .smart-type-panel button {
    min-height: 34px;
    padding: 0 10px;
    border: 1px solid var(--minimal-border);
    border-radius: 8px;
    background: #18191e;
    color: #a4a6ae;
    font: inherit;
    font-size: 0.72rem;
    cursor: pointer;
}

.minimal-theme #convertMediaSwitch.smart-collapsed {
    display: none;
}

.minimal-theme .media-file-summary {
    grid-column: 1 / -1;
    margin-top: 10px;
    padding: 12px;
    border: 1px solid var(--minimal-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.025);
}

.minimal-theme .media-file-summary-inner {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    align-items: center;
    gap: 12px;
}

.minimal-theme .media-file-preview {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    background: #0a0b0e;
    color: #9b91f3;
    object-fit: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    overflow: hidden;
}

.minimal-theme .media-file-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.minimal-theme .media-file-copy strong,
.minimal-theme .media-file-copy span {
    display: block;
}

.minimal-theme .media-file-copy strong {
    margin-bottom: 4px;
    overflow: hidden;
    color: #d9dae0;
    font-size: 0.82rem;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.minimal-theme .media-file-copy span {
    color: #777a84;
    font-size: 0.72rem;
}

.minimal-theme .process-steps {
    margin-top: 13px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
}

.minimal-theme .process-steps span {
    min-height: 34px;
    padding: 0 8px;
    border: 1px solid var(--minimal-border);
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.018);
    color: #62656f;
    font-size: 0.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.minimal-theme .process-steps span.active {
    border-color: rgba(139, 124, 255, 0.42);
    background: rgba(139, 124, 255, 0.11);
    color: #bcb5ff;
}

.minimal-theme .process-steps span.complete {
    border-color: rgba(95, 214, 167, 0.25);
    background: rgba(95, 214, 167, 0.075);
    color: #83dcb9;
}

.minimal-theme .download-process-steps {
    margin: 0 0 12px;
}

@media (max-width: 680px) {
    .minimal-theme .interval-presets {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .minimal-theme .smart-type-panel {
        grid-template-columns: 36px minmax(0, 1fr);
    }

    .minimal-theme .smart-type-panel button {
        grid-column: 1 / -1;
        width: 100%;
    }

    .minimal-theme .process-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (prefers-reduced-motion: reduce) {
    .minimal-theme *,
    .minimal-theme *::before,
    .minimal-theme *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* Compact tool workspace */
.minimal-theme #frameExtractorCard,
.minimal-theme #convertStudioCard {
    padding: 34px;
}

.minimal-theme #frameExtractorCard .tool-wizard,
.minimal-theme #convertStudioCard .tool-wizard,
.minimal-theme #frameExtractorCard .tool-guide-text,
.minimal-theme #convertStudioCard .tool-guide-text,
.minimal-theme .frame-extractor-badge,
.minimal-theme .convert-badge {
    display: none !important;
}

.minimal-theme .frame-extractor-header,
.minimal-theme .convert-header {
    margin: 0;
    display: block;
}

.minimal-theme .frame-extractor-header h3,
.minimal-theme .convert-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 11px;
    font-family: "Space Grotesk", system-ui, sans-serif;
    font-size: 1.32rem;
    font-weight: 650;
    letter-spacing: -0.035em;
}

.minimal-theme .frame-extractor-header h3 i,
.minimal-theme .convert-header h3 i {
    width: 38px;
    height: 38px;
    border: 1px solid rgba(139, 124, 255, 0.22);
    border-radius: 11px;
    background: rgba(139, 124, 255, 0.1);
    color: #a89dff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
}

.minimal-theme .frame-extractor-subtitle,
.minimal-theme .convert-subtitle {
    max-width: 620px;
    margin: 10px 0 30px;
    color: var(--minimal-muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

.minimal-theme .panel-step-title {
    margin: 26px 0 14px;
    padding: 24px 0 0;
    border-top: 1px solid var(--minimal-border);
    color: #d8d9de;
    font-size: 0.78rem;
    font-weight: 650;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 9px;
}

.minimal-theme .panel-step-title:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}

.minimal-theme .panel-step-title span {
    width: 23px;
    height: 23px;
    border: 0;
    border-radius: 7px;
    background: rgba(139, 124, 255, 0.12);
    color: #a89dff;
    font-size: 0.72rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.minimal-theme .frame-source-switch {
    width: min(100%, 300px);
    margin: 0 0 16px;
    padding: 4px;
    border: 1px solid var(--minimal-border);
    border-radius: 12px;
    background: #0c0d11;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}

.minimal-theme .frame-source-btn,
.minimal-theme .convert-switch-btn {
    min-height: 38px;
    padding: 0 12px;
    border: 1px solid transparent;
    border-radius: 9px;
    background: transparent;
    box-shadow: none;
    color: var(--minimal-muted);
    font: inherit;
    font-size: 0.82rem;
    font-weight: 550;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.minimal-theme .frame-source-btn.active,
.minimal-theme .convert-switch-btn.active {
    border-color: var(--minimal-border);
    background: #202127;
    color: var(--minimal-text);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.16);
}

.minimal-theme .frame-source-panel,
.minimal-theme .convert-source-group {
    margin: 0;
    gap: 9px;
}

.minimal-theme .frame-source-panel > label,
.minimal-theme .convert-source-group > label,
.minimal-theme .convert-option label,
.minimal-theme .frame-group label {
    color: #838690;
    font-size: 0.71rem;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.minimal-theme .frame-settings-panel {
    margin: 0;
    padding: 18px;
    border: 1px solid var(--minimal-border);
    border-radius: 14px;
    background: rgba(7, 8, 11, 0.42);
    box-shadow: none;
    gap: 14px;
}

.minimal-theme .frame-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.minimal-theme .frame-group {
    min-width: 0;
    gap: 7px;
}

.minimal-theme .frame-input,
.minimal-theme .frame-select,
.minimal-theme .convert-input,
.minimal-theme .convert-select {
    min-height: 46px;
    padding: 0 13px;
    border: 1px solid var(--minimal-border);
    border-radius: 10px;
    background-color: #0b0c10;
    box-shadow: none;
    color: var(--minimal-text);
    font-size: 0.9rem;
}

.minimal-theme .frame-advanced-toggle-wrap {
    margin: 0;
}

.minimal-theme .frame-advanced-toggle {
    padding: 7px 0;
    border: 0;
    background: transparent;
    color: #aaa3ef;
    font-size: 0.82rem;
}

.minimal-theme .frame-advanced-note {
    color: #686b75;
    font-size: 0.72rem;
}

.minimal-theme .upload-dropzone,
.minimal-theme .frame-upload-dropzone,
.minimal-theme .convert-upload-dropzone {
    min-height: 132px;
    padding: 22px;
    border: 1px dashed var(--minimal-border-strong);
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.018);
    box-shadow: none;
    justify-content: center;
    text-align: center;
}

.minimal-theme .frame-actions,
.minimal-theme .convert-actions {
    margin-top: 0;
}

.minimal-theme .frame-timeline-panel {
    display: grid;
    grid-template-columns: minmax(210px, 0.72fr) minmax(0, 1.28fr);
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--minimal-border);
    border-radius: 14px;
    background: #0b0c10;
}

.minimal-theme .frame-timeline-panel.hidden { display: none; }
.minimal-theme .frame-timeline-panel.no-preview { grid-template-columns: 1fr; }
.minimal-theme .frame-timeline-panel.no-preview .frame-timeline-video-wrap { display: none; }

.minimal-theme .frame-timeline-video-wrap {
    min-height: 164px;
    background: #050507;
}

.minimal-theme #frameTimelineVideo {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 164px;
    max-height: 230px;
    object-fit: contain;
}

.minimal-theme .frame-timeline-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 22px;
    padding: 22px;
}

.minimal-theme .frame-timeline-head,
.minimal-theme .frame-estimate-row,
.minimal-theme .frame-sample-head,
.minimal-theme .frame-results-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.minimal-theme .frame-sort-select {
    min-height: 32px;
    padding: 0 28px 0 9px;
    border: 1px solid var(--minimal-border);
    border-radius: 7px;
    background-color: #111218;
    color: #9b9ea8;
    font: inherit;
    font-size: 0.7rem;
}

.minimal-theme .frame-timeline-head div,
.minimal-theme .frame-sample-head div,
.minimal-theme .frame-result-summary {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.minimal-theme .frame-timeline-head strong,
.minimal-theme .frame-sample-head strong {
    color: var(--minimal-text);
    font-size: 0.9rem;
}

.minimal-theme .frame-timeline-head span,
.minimal-theme .frame-sample-head span,
.minimal-theme #frameQualityMeta {
    color: #747781;
    font-size: 0.73rem;
}

.minimal-theme #frameRangeLabel {
    color: #c7c1ff;
    font: 650 0.82rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.minimal-theme .dual-range {
    position: relative;
    height: 18px;
}

.minimal-theme .dual-range::before {
    content: '';
    position: absolute;
    inset: 7px 0 auto;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, #7167dc, #a05fc3);
    opacity: 0.72;
}

.minimal-theme .dual-range input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 18px;
    margin: 0;
    pointer-events: none;
    appearance: none;
    background: transparent;
}

.minimal-theme .dual-range input::-webkit-slider-thumb {
    width: 17px;
    height: 17px;
    border: 3px solid #0b0c10;
    border-radius: 50%;
    background: #aaa3ef;
    box-shadow: 0 0 0 1px #aaa3ef;
    pointer-events: auto;
    appearance: none;
    cursor: ew-resize;
}

.minimal-theme .frame-estimate-row {
    color: #8a8d97;
    font-size: 0.76rem;
}

.minimal-theme #frameSmartIntervalBtn,
.minimal-theme .frame-sample-head button {
    flex: 0 0 auto;
    padding: 7px 10px;
    border: 1px solid var(--minimal-border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
    color: #b9b4ee;
    font: inherit;
    font-size: 0.75rem;
    cursor: pointer;
}

.minimal-theme .field-hint {
    color: #62656e;
    font-size: 0.69rem;
}

.minimal-theme .frame-actions {
    display: grid;
    grid-template-columns: minmax(170px, 0.36fr) minmax(0, 1fr);
    gap: 10px;
}

.minimal-theme .frame-zip-actions {
    grid-column: 1 / -1;
}

.minimal-theme .frame-sample-btn {
    min-height: 48px;
    border: 1px solid var(--minimal-border);
    border-radius: 10px;
    background: #121318;
    color: #c1c3cb;
    font: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
}

.minimal-theme .frame-sample-btn:hover { border-color: var(--minimal-border-strong); color: #fff; }
.minimal-theme .frame-sample-btn.loading { opacity: 0.55; }

.minimal-theme .frame-sample-results {
    margin-top: 14px;
    padding: 16px;
    border: 1px solid var(--minimal-border);
    border-radius: 14px;
    background: rgba(9, 10, 13, 0.72);
}

.minimal-theme .frame-sample-results.hidden { display: none; }
.minimal-theme .frame-sample-head { margin-bottom: 12px; }
.minimal-theme .frame-sample-head button { width: 32px; height: 32px; padding: 0; }

.minimal-theme .frame-sample-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 8px;
}

.minimal-theme .frame-sample-card {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    padding: 0;
    border: 1px solid var(--minimal-border);
    border-radius: 9px;
    background: #08090c;
    cursor: zoom-in;
}

.minimal-theme .frame-sample-card img { width: 100%; height: 100%; object-fit: cover; }
.minimal-theme .frame-sample-card span {
    position: absolute;
    right: 5px;
    bottom: 5px;
    padding: 3px 5px;
    border-radius: 5px;
    background: rgba(4, 4, 6, 0.8);
    color: #fff;
    font: 600 0.62rem/1 ui-monospace, monospace;
}

.minimal-theme .frame-results-head {
    position: sticky;
    top: 10px;
    z-index: 8;
    margin-bottom: 14px;
    padding: 11px 13px;
    border: 1px solid var(--minimal-border);
    border-radius: 11px;
    background: rgba(12, 13, 17, 0.88);
    backdrop-filter: blur(16px);
}

.minimal-theme .frame-item-foot > span { min-width: 0; }
.minimal-theme .frame-item-foot b {
    display: block;
    overflow: hidden;
    color: #b9bbc3;
    font-size: 0.7rem;
    font-weight: 550;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.minimal-theme .frame-item-foot small { display: block; margin-top: 2px; color: #666974; font: 0.62rem/1 monospace; }
.minimal-theme .frame-preview-trigger { position: relative; }
.minimal-theme .frame-quality-badge {
    position: absolute;
    left: 7px;
    bottom: 7px;
    padding: 4px 6px;
    border: 1px solid rgba(255, 187, 100, 0.35);
    border-radius: 6px;
    background: rgba(38, 24, 12, 0.88);
    color: #ffc47c;
    font-size: 0.62rem;
    font-weight: 700;
}
.minimal-theme .frame-item.is-quality-warning { border-color: rgba(255, 184, 92, 0.35); }
.minimal-theme .frame-item.is-rejected { opacity: 0.48; filter: saturate(0.55); }

.minimal-theme .frame-extract-btn,
.minimal-theme .convert-run-btn {
    width: 100%;
    min-height: 48px;
}

.minimal-theme .frame-status-text,
.minimal-theme .convert-status-text {
    margin: 12px 0 0;
    padding: 11px 13px;
    border: 1px solid var(--minimal-border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.02);
    color: #797c86;
    font-size: 0.78rem;
}

.minimal-theme .preset-bar {
    margin: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 9px;
}

.minimal-theme .preset-btn {
    min-height: 46px;
    padding: 0 16px;
    border: 1px solid var(--minimal-border);
    border-radius: 10px;
    background: #1b1c22;
    box-shadow: none;
    color: var(--minimal-text);
    font: inherit;
    font-size: 0.82rem;
    font-weight: 600;
}

.minimal-theme .convert-switch-row {
    margin: 0;
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(220px, 0.7fr);
    gap: 10px;
}

.minimal-theme .convert-switch {
    padding: 4px;
    border: 1px solid var(--minimal-border);
    border-radius: 12px;
    background: #0c0d11;
    gap: 3px;
}

.minimal-theme .convert-options-grid {
    padding: 18px;
    border: 1px solid var(--minimal-border);
    border-radius: 14px;
    background: rgba(7, 8, 11, 0.42);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 12px;
}

.minimal-theme .convert-option {
    min-width: 0;
    gap: 7px;
}

.minimal-theme .convert-advanced-toggle {
    margin: -4px 0 12px;
    padding: 7px 0;
    border: 0;
    background: transparent;
    color: #aaa3ef;
    font: inherit;
    font-size: 0.8rem;
    cursor: pointer;
}

.minimal-theme .convert-options-grid:not(.show-advanced) .convert-option:nth-child(n+4) {
    display: none;
}

/* Compact TikTok live workspace */
.minimal-theme #liveRecordCard {
    position: relative;
    margin: 14px 0 26px;
    padding: 0;
    overflow: hidden;
    border: 1px solid #24262d;
    border-radius: 16px;
    background: #0c0d11;
    box-shadow: 0 18px 55px rgba(0, 0, 0, 0.28);
    animation: none;
    backdrop-filter: none;
}

.minimal-theme #liveRecordCard.hidden { display: none !important; }
.minimal-theme #liveRecordCard::before,
.minimal-theme #liveRecordCard .live-record-glow { display: none; }

.minimal-theme #liveRecordCard .live-record-header {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 15px 17px;
    border-bottom: 1px solid #202228;
    background: #101116;
}

.minimal-theme #liveRecordCard .live-header-left,
.minimal-theme #liveRecordCard .live-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.minimal-theme #liveRecordCard .live-indicator { gap: 8px; }
.minimal-theme #liveRecordCard .live-dot {
    width: 8px;
    height: 8px;
    background: #ff4967;
    box-shadow: 0 0 0 4px rgba(255, 73, 103, 0.1);
}

.minimal-theme #liveRecordCard .live-label {
    color: #ff6b83;
    font-size: 0.66rem;
    letter-spacing: 0.12em;
}

.minimal-theme #liveRecordCard .live-channel-meta { gap: 1px; }
.minimal-theme #liveRecordCard .live-channel-label {
    color: #656872;
    font-size: 0.58rem;
    letter-spacing: 0.09em;
}

.minimal-theme #liveRecordCard .live-channel-value {
    max-width: 230px;
    color: #e7e8ec;
    font-size: 0.9rem;
    font-weight: 600;
}

.minimal-theme #liveRecordCard .live-status-badge,
.minimal-theme #liveRecordCard .live-watch-link {
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    padding: 0 10px;
    border: 1px solid #2b2d35;
    border-radius: 8px;
    background: #15161c;
    box-shadow: none;
    color: #a5a7af;
    font-size: 0.68rem;
    font-weight: 600;
    text-decoration: none;
    transform: none;
}

.minimal-theme #liveRecordCard .live-status-badge.recording {
    border-color: rgba(255, 73, 103, 0.35);
    background: rgba(255, 73, 103, 0.1);
    color: #ff8296;
}

.minimal-theme #liveRecordCard .live-status-badge.finished {
    border-color: rgba(64, 214, 156, 0.35);
    background: rgba(64, 214, 156, 0.09);
    color: #68dbae;
}

.minimal-theme #liveRecordCard .live-status-badge.failed {
    border-color: rgba(255, 103, 103, 0.32);
    background: rgba(255, 103, 103, 0.08);
    color: #ff8585;
}

.minimal-theme #liveRecordCard .live-watch-link:hover {
    border-color: #40434d;
    background: #1a1b22;
    color: #f2f2f4;
    transform: none;
}

.minimal-theme #liveRecordCard .live-record-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr);
    gap: 12px;
    padding: 12px;
}

.minimal-theme #liveRecordCard .live-stream-viewer,
.minimal-theme #liveRecordCard .live-record-body {
    min-width: 0;
}

.minimal-theme #liveRecordCard .live-stream-frame {
    padding: 0;
    overflow: hidden;
    border: 1px solid #1f2127;
    border-radius: 12px;
    background: #050609;
    box-shadow: none;
}

.minimal-theme #liveRecordCard .live-stream-embed {
    width: 100%;
    min-height: 0;
    max-height: none;
    aspect-ratio: 16 / 10;
    border-radius: 0;
    background: #050609;
}

.minimal-theme #liveRecordCard .live-stream-placeholder {
    gap: 8px;
    padding: 28px;
    color: #7b7e87;
}

.minimal-theme #liveRecordCard .live-stream-placeholder > i {
    font-size: 2rem;
    color: #ff607a;
}

.minimal-theme #liveRecordCard .live-stream-placeholder > span {
    color: #d9dae0;
    font-size: 0.9rem;
}

.minimal-theme #liveRecordCard .live-stream-placeholder > p {
    color: #747780;
    font-size: 0.72rem;
}

.minimal-theme #liveRecordCard .live-stream-note,
.minimal-theme #liveRecordCard .live-guide-list { display: none; }

.minimal-theme #liveRecordCard .live-record-body {
    display: flex;
    flex-direction: column;
    gap: 11px;
    padding: 13px;
    border: 1px solid #1f2127;
    border-radius: 12px;
    background: #0a0b0f;
}

.minimal-theme #liveRecordCard .live-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.minimal-theme #liveRecordCard .live-stat {
    gap: 9px;
    padding: 11px;
    border: 1px solid #22242b;
    border-radius: 9px;
    background: #111218;
    transform: none;
}

.minimal-theme #liveRecordCard .live-stat:hover {
    border-color: #30323b;
    background: #13151a;
    transform: none;
}

.minimal-theme #liveRecordCard .live-stat > i { color: #8e87e7; font-size: 1rem; }
.minimal-theme #liveRecordCard .live-stat-label { color: #62656e; font-size: 0.57rem; }
.minimal-theme #liveRecordCard .live-stat-value { color: #dfe0e5; font-size: 0.94rem; }

.minimal-theme #liveRecordCard .live-actions { margin: 0; gap: 8px; }
.minimal-theme #liveRecordCard .live-btn {
    min-height: 42px;
    padding: 0 14px;
    border-radius: 9px;
    box-shadow: none;
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1;
    transform: none;
}

.minimal-theme #liveRecordCard .live-start-btn,
.minimal-theme #liveRecordCard .live-stop-btn {
    border-color: rgba(255, 82, 112, 0.36);
    background: #b93652;
    color: #fff;
}

.minimal-theme #liveRecordCard .live-download-btn {
    border-color: #343640;
    background: #1a1b22;
    color: #e2e3e7;
}

.minimal-theme #liveRecordCard .live-btn:hover { filter: brightness(1.08); transform: none; }
.minimal-theme #liveRecordCard .live-btn:disabled { opacity: 0.5; cursor: wait; }

.minimal-theme #liveRecordCard .live-segment-settings {
    margin: 0;
    padding: 10px;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: center;
    border: 1px solid #202229;
    border-radius: 9px;
    background: #0e0f14;
}

.minimal-theme #liveRecordCard .live-segment-check { color: #9699a2; font-size: 0.72rem; }
.minimal-theme #liveRecordCard .live-segment-input-wrap { gap: 4px; }
.minimal-theme #liveRecordCard .live-segment-input-wrap label { color: #5e616a; font-size: 0.56rem; }
.minimal-theme #liveRecordCard .live-segment-input-wrap input {
    width: 88px;
    padding: 7px 8px;
    border: 1px solid #262931;
    border-radius: 7px;
    background: #090a0e;
    color: #d6d7dc;
}

.minimal-theme #liveRecordCard .live-info-text {
    margin: 0;
    padding: 10px 11px;
    border: 1px solid #20232b;
    border-radius: 9px;
    background: #0d1118;
    color: #777b85;
    font-size: 0.69rem;
    line-height: 1.5;
}

.minimal-theme #liveRecordCard .live-info-text > i { color: #8e87e7; }

@media (max-width: 680px) {
    .minimal-theme #frameExtractorCard,
    .minimal-theme #convertStudioCard {
        padding: 22px 20px;
    }

    .minimal-theme .frame-extractor-subtitle,
    .minimal-theme .convert-subtitle {
        margin-bottom: 24px;
    }

    .minimal-theme .frame-row,
    .minimal-theme .convert-options-grid,
    .minimal-theme .convert-switch-row {
        grid-template-columns: 1fr;
    }

    .minimal-theme .frame-timeline-panel,
    .minimal-theme .frame-actions { grid-template-columns: 1fr; }

    .minimal-theme .frame-timeline-content { padding: 17px; }
    .minimal-theme .frame-estimate-row { align-items: flex-start; flex-direction: column; }
    .minimal-theme .frame-sample-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .minimal-theme .frame-results-head { align-items: flex-start; flex-direction: column; }

    .minimal-theme .convert-switch[data-kind="media"] {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .minimal-theme .preset-bar {
        grid-template-columns: 1fr;
    }

    .minimal-theme .preset-btn {
        width: 100%;
    }

    .minimal-theme .frame-source-switch {
        width: 100%;
    }

    .minimal-theme .panel-step-title {
        margin-top: 22px;
        padding-top: 20px;
    }

    .minimal-theme #liveRecordCard .live-record-header,
    .minimal-theme #liveRecordCard .live-header-left,
    .minimal-theme #liveRecordCard .live-header-right {
        align-items: flex-start;
    }

    .minimal-theme #liveRecordCard .live-record-header,
    .minimal-theme #liveRecordCard .live-record-layout {
        grid-template-columns: 1fr;
    }

    .minimal-theme #liveRecordCard .live-record-header {
        flex-direction: column;
    }

    .minimal-theme #liveRecordCard .live-header-right { width: 100%; }
    .minimal-theme #liveRecordCard .live-watch-link { margin-left: auto; }
    .minimal-theme #liveRecordCard .live-stream-embed { aspect-ratio: 4 / 3; }
    .minimal-theme #liveRecordCard .live-segment-settings { grid-template-columns: 1fr; }
}