/* File converter page */

.converter-page {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.converter-page [hidden] {
    display: none !important;
}

.converter-page .btn {
    border-radius: var(--radius-lg);
    font-weight: 800;
}

.converter-page .btn-lg {
    min-height: 50px;
    padding: 12px 22px;
}

.converter-page .icon-btn {
    border-radius: var(--radius-lg);
}

.converter-hero {
    position: relative;
    isolation: isolate;
    display: none;
    overflow: hidden;
    min-height: 172px;
    padding: 26px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
    color: white;
    box-shadow: var(--shadow-lg);
}

.converter-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.11;
    pointer-events: none;
    background-image:
        radial-gradient(circle at 20% 50%, white 1px, transparent 1px),
        radial-gradient(circle at 80% 50%, white 1px, transparent 1px);
    background-size: 40px 40px;
}

.converter-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: linear-gradient(180deg, transparent 0%, rgba(17, 24, 39, 0.16) 100%);
}

.converter-hero-content {
    position: relative;
    z-index: 1;
    min-height: 120px;
    display: grid;
    gap: 22px;
    align-items: center;
}

.converter-hero-main {
    min-width: 0;
}

.converter-badge,
.panel-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.converter-badge {
    padding: 8px 14px;
    margin-bottom: 12px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(10px);
}

.converter-badge svg,
.converter-badge i {
    width: 16px;
    height: 16px;
}

.converter-hero h1 {
    margin: 0 0 10px;
    max-width: 720px;
    color: white;
    font-size: clamp(2rem, 3vw, 2.7rem);
    font-weight: 800;
    line-height: 1.05;
}

.converter-hero p {
    max-width: 680px;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

.converter-hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.metric-tile {
    min-width: 0;
    min-height: 82px;
    display: grid;
    align-content: center;
    gap: 5px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(14px);
}

.metric-tile span {
    color: rgba(255, 255, 255, 0.76);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.metric-tile strong {
    overflow: hidden;
    color: white;
    font-size: 1.35rem;
    line-height: 1.1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.converter-toolbar {
    display: grid;
    gap: 10px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
}

.mode-tabs {
    min-width: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
    padding: 4px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
}

.mode-tab,
.pdf-tool-card {
    min-width: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 800;
    transition: var(--transition);
}

.mode-tab {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 12px;
    border-color: transparent;
    background: transparent;
}

.mode-tab svg,
.mode-tab i {
    width: 18px;
    height: 18px;
}

.mode-tab.active {
    border-color: var(--border-color);
    background: var(--bg-primary);
    color: var(--primary-700);
    box-shadow: var(--shadow-sm);
}

.pdf-tool-card.active {
    border-color: color-mix(in srgb, var(--primary-500) 44%, var(--border-color));
    background: var(--primary-50);
    color: var(--primary-700);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.mode-tab:hover,
.pdf-tool-card:hover:not(:disabled) {
    border-color: color-mix(in srgb, var(--primary-500) 36%, var(--border-color));
    color: var(--primary-700);
}

.mode-tab:focus-visible,
.pdf-tool-card:focus-visible,
.converter-drop-zone:focus-within,
.format-target select:focus {
    outline: none;
    box-shadow: 0 0 0 4px var(--primary-100);
}

[data-theme="dark"] .mode-tab.active {
    background: rgba(124, 58, 237, 0.16);
    color: var(--primary-200);
}

[data-theme="dark"] .pdf-tool-card.active {
    background: rgba(124, 58, 237, 0.22);
    color: var(--primary-200);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.18);
}

[data-theme="dark"] .mode-tab:focus-visible,
[data-theme="dark"] .pdf-tool-card:focus-visible,
[data-theme="dark"] .converter-drop-zone:focus-within,
[data-theme="dark"] .format-target select:focus {
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.22);
}

.toolbar-status {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 700;
    text-align: center;
}

.status-dot,
.engine-dot {
    width: 10px;
    height: 10px;
    flex-shrink: 0;
    border-radius: 9999px;
    background: var(--warning);
}

.toolbar-status.ready .status-dot,
.engine-pill.available .engine-dot {
    background: var(--success);
}

.toolbar-status.warning .status-dot,
.engine-pill.unavailable .engine-dot {
    background: var(--danger);
}

.converter-shell {
    display: grid;
    gap: 14px;
}

.converter-primary,
.converter-side,
.mode-panel {
    min-width: 0;
}

.mode-panel {
    display: none;
}

.mode-panel.active {
    display: block;
}

.converter-card {
    min-width: 0;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
}

.converter-card-tall {
    display: grid;
    gap: 14px;
}

.panel-heading {
    min-height: 50px;
    margin: 0;
}

.panel-heading.compact {
    min-height: 42px;
}

.panel-heading h2 {
    margin: 4px 0 0;
    font-size: 1.18rem;
    line-height: 1.2;
}

.panel-kicker {
    color: var(--primary-600);
}

.converter-drop-zone {
    position: relative;
    min-height: 168px;
    display: grid;
    place-items: center;
    gap: 10px;
    padding: 18px;
    border: 1.5px dashed var(--primary-300);
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, var(--primary-50), var(--bg-primary));
    text-align: center;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.converter-drop-zone strong {
    color: var(--text-primary);
    font-size: 1rem;
}

.converter-drop-zone .btn {
    min-height: 42px;
    padding-inline: 16px;
}

[data-theme="dark"] .converter-drop-zone {
    border-color: var(--primary-700);
    background: linear-gradient(180deg, rgba(124, 58, 237, 0.14), var(--bg-primary));
}

.converter-drop-zone.dragging,
.converter-drop-zone:hover {
    border-color: var(--primary-600);
    background: linear-gradient(180deg, var(--primary-100), var(--bg-primary));
    box-shadow: 0 0 0 4px var(--primary-100);
}

[data-theme="dark"] .converter-drop-zone.dragging,
[data-theme="dark"] .converter-drop-zone:hover {
    background: linear-gradient(180deg, rgba(124, 58, 237, 0.2), var(--bg-primary));
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.22);
}

.converter-drop-zone input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.drop-icon {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    border-radius: var(--radius-lg);
    background: white;
    color: var(--primary-700);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .drop-icon {
    background: var(--bg-secondary);
}

.drop-icon svg,
.drop-icon i {
    width: 28px;
    height: 28px;
}

.selected-file-slot {
    min-height: 72px;
}

.selected-file-card {
    min-height: 66px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
}

.selected-file-card.empty {
    opacity: 0.76;
}

.selected-file-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: var(--radius-lg);
    color: var(--primary-700);
    background: var(--primary-100);
}

.selected-file-card strong,
.selected-file-card span,
.tool-file-item strong,
.tool-file-item span {
    display: block;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.selected-file-card span,
.tool-file-item span,
.converter-muted {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.conversion-controls {
    align-self: end;
    display: grid;
    gap: 12px;
}

.format-row {
    display: grid;
    grid-template-columns: 1fr;
    align-items: end;
    gap: 8px;
}

.format-row > svg,
.format-row > i {
    justify-self: center;
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
    transform: rotate(90deg);
}

.format-source,
.format-target {
    min-width: 0;
    display: grid;
    gap: 6px;
}

.format-source span,
.format-target span {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.format-source strong,
.format-target select {
    min-height: 46px;
    width: 100%;
    display: flex;
    align-items: center;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 800;
}

.format-target select {
    cursor: pointer;
}

.format-target select:disabled {
    color: var(--text-tertiary);
    cursor: not-allowed;
}

.convert-action {
    width: 100%;
    justify-content: center;
}

.convert-action.loading svg,
.convert-action.loading i {
    animation: converter-spin 0.9s linear infinite;
}

@keyframes converter-spin {
    to {
        transform: rotate(360deg);
    }
}

.pdf-tools-heading {
    display: grid;
    gap: 12px;
}

.pdf-image-target {
    display: none;
}

.pdf-image-target.active {
    display: grid;
}

.pdf-tool-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.pdf-tool-card {
    min-height: 76px;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 8px;
    padding: 10px;
    text-align: center;
}

.pdf-tool-card span {
    max-width: 100%;
    overflow: hidden;
    font-size: 0.9rem;
    line-height: 1.15;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-tool-card svg,
.pdf-tool-card i {
    width: 22px;
    height: 22px;
}

.pdf-tool-card:disabled {
    opacity: 0.48;
    cursor: not-allowed;
}

.pdf-drop-zone {
    min-height: 138px;
}

.tool-file-list {
    min-height: 126px;
    max-height: 126px;
    overflow-y: auto;
    display: grid;
    align-content: start;
    gap: 8px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
}

.tool-file-list.empty {
    place-items: center;
    color: var(--text-tertiary);
    font-weight: 700;
    text-align: center;
}

.tool-file-item {
    min-height: 44px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
}

.tool-file-item svg,
.tool-file-item i {
    width: 18px;
    height: 18px;
    color: var(--primary-600);
}

.tool-action-row {
    align-self: end;
    display: grid;
    gap: 12px;
}

.converter-muted {
    min-height: 20px;
    margin: 0;
    line-height: 1.35;
}

.converter-side {
    display: grid;
    gap: 14px;
    align-content: start;
}

.result-card {
    min-height: 220px;
    display: grid;
    grid-template-rows: auto minmax(104px, 1fr) auto;
    gap: 12px;
}

.result-body {
    min-height: 104px;
    display: grid;
}

.result-empty,
.result-ready {
    min-height: 104px;
    display: grid;
    place-items: center;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    text-align: center;
    font-weight: 700;
}

.result-ready {
    place-items: start;
    text-align: left;
}

.result-ready strong {
    max-width: 100%;
    overflow: hidden;
    color: var(--text-primary);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.result-ready span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.result-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.result-actions .btn {
    justify-content: center;
}

.engine-list {
    min-height: 154px;
    display: grid;
    gap: 8px;
}

.engine-pill {
    min-height: 38px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
}

.engine-pill strong {
    overflow: hidden;
    font-size: 0.875rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.engine-pill span:last-child {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
}

.format-card {
    min-height: 204px;
}

.format-chip-grid {
    min-height: 108px;
    max-height: 148px;
    overflow-y: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.format-chip {
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 800;
}

.format-chip.available {
    border-color: color-mix(in srgb, var(--primary-500) 28%, var(--border-color));
    background: var(--primary-50);
    color: var(--primary-700);
}

[data-theme="dark"] .format-chip.available {
    background: rgba(124, 58, 237, 0.18);
    color: var(--primary-200);
}

.converter-error {
    min-height: 46px;
    padding: 12px;
    border: 1px solid rgba(239, 68, 68, 0.28);
    border-radius: var(--radius-lg);
    background: rgba(239, 68, 68, 0.08);
    color: var(--danger);
    font-weight: 800;
}

@media (min-width: 520px) {
    .format-row {
        grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
        gap: 12px;
    }

    .format-row > svg,
    .format-row > i {
        align-self: center;
        justify-self: center;
        transform: none;
    }
}

@media (min-width: 769px) {
    .converter-page {
        gap: 18px;
    }

    .converter-hero {
        display: block;
    }

    .converter-hero-content {
        grid-template-columns: minmax(0, 1fr) minmax(330px, 430px);
    }

    .converter-toolbar {
        grid-template-columns: minmax(320px, 400px) minmax(0, 1fr);
        align-items: center;
        padding: 10px;
    }

    .toolbar-status {
        justify-content: flex-end;
        text-align: right;
    }

    .converter-card {
        padding: 20px;
    }

    .converter-card-tall {
        min-height: 540px;
        grid-template-rows: auto minmax(176px, auto) auto minmax(0, 1fr);
    }

    .mode-panel[data-mode-panel="pdf"] .converter-card-tall {
        grid-template-rows: auto auto minmax(136px, auto) 126px auto;
    }

    .pdf-tool-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .pdf-tools-heading {
        grid-template-columns: minmax(0, 1fr) minmax(170px, 220px);
        align-items: start;
    }
}

@media (min-width: 1180px) {
    .converter-page {
        gap: 20px;
    }

    .converter-hero {
        min-height: 184px;
        padding: 28px;
    }

    .converter-hero-content {
        min-height: 128px;
        grid-template-columns: minmax(0, 1fr) minmax(360px, 0.42fr);
    }

    .converter-shell {
        grid-template-columns: minmax(560px, 1fr) minmax(340px, 400px);
        align-items: start;
        gap: 20px;
    }

    .converter-card-tall,
    .mode-panel[data-mode-panel="pdf"] .converter-card-tall {
        min-height: 568px;
    }

    .converter-drop-zone {
        min-height: 176px;
    }

    .pdf-drop-zone {
        min-height: 136px;
    }

    .result-card {
        min-height: 220px;
    }
}

@media (min-width: 1440px) {
    .converter-hero {
        min-height: 196px;
        padding: 30px;
    }

    .converter-shell {
        grid-template-columns: minmax(640px, 1fr) minmax(360px, 420px);
    }

    .converter-card-tall,
    .mode-panel[data-mode-panel="pdf"] .converter-card-tall {
        min-height: 590px;
    }
}

@media (max-width: 480px) {
    .converter-page {
        gap: 12px;
    }

    .converter-toolbar {
        border-radius: var(--radius-lg);
    }

    .converter-card {
        padding: 14px;
        border-radius: var(--radius-lg);
    }

    .converter-drop-zone {
        min-height: 158px;
        border-radius: var(--radius-lg);
    }

    .drop-icon {
        width: 52px;
        height: 52px;
    }

    .pdf-tool-card {
        min-height: 72px;
        padding: 8px;
    }

    .pdf-tool-card span {
        font-size: 0.82rem;
    }

    .result-actions {
        grid-template-columns: 1fr;
    }

    .format-chip-grid {
        max-height: 126px;
    }
}