/* ═══════════════════════════════════════════════════════
   KNOWLEDGE SPACE (Studio) - Redesigned KB Management
   Light mode, mobile responsive, role-aware
   ═══════════════════════════════════════════════════════ */

/* Design tokens are in /static/css/common.css */

/* ═══ LAYOUT ═══ */
.studio-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
    height: 100vh;
}

.studio-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 0 0 48px;
    background:
        radial-gradient(circle at 10% 0%, var(--color-primary-alpha-08) 0%, transparent 36%),
        radial-gradient(circle at 90% 10%, rgba(82,52,16,0.06) 0%, rgba(82,52,16,0) 34%),
        var(--gradient-warm-bg);
}

.studio-scroll::-webkit-scrollbar { width: 6px; }
.studio-scroll::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 6px; }
.studio-scroll::-webkit-scrollbar-thumb:hover { background: var(--color-neutral-300); }

/* ═══ HERO HEADER ═══ */
.studio-hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 26px 32px 22px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 24px;
    position: relative;
    background: linear-gradient(180deg, var(--color-primary-alpha-06) 0%, transparent 100%);
}

/* Colored accent line along the top */
.studio-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, rgba(25,25,112,0.15) 70%, transparent 100%);
    border-radius: 0 0 2px 2px;
}

.studio-hero__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin: 0 0 5px;
}

.studio-hero__subtitle {
    font-size: 0.83rem;
    color: var(--color-text-sec);
    margin: 0;
    line-height: 1.5;
}

.studio-hero__right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.studio-hero__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    border: 1.5px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-sec);
    transition: all var(--transition);
    cursor: pointer;
}

.studio-hero__btn svg { width: 16px; height: 16px; }
.studio-hero__btn:hover {
    border-color: var(--color-primary-light);
    color: var(--color-primary);
    background: var(--color-primary-alpha-04);
}

/* ═══ DOCS BANNER ═══ */
.docs-banner {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--color-surface-alpha-92);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
    margin-bottom: 24px;
    width: fit-content;
}

.docs-banner__icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-border) 0%, var(--color-blue-alpha-08) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.docs-banner__icon svg {
    width: 18px;
    height: 18px;
    stroke: var(--color-primary);
}

.docs-banner__body {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.docs-banner__value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    font-family: var(--font-mono);
    letter-spacing: -0.03em;
    line-height: 1;
}

.docs-banner__label {
    font-size: 0.8rem;
    color: var(--color-text-sec);
    font-weight: 500;
}

/* ═══ SECTIONS ═══ */
.studio-section {
    margin-bottom: 28px;
    padding: 0 32px;
}

.document-library-section {
    background: var(--color-surface-alpha-92);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: var(--radius-xl);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
    overflow: hidden;
    margin: 0 32px 28px;
    padding: 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    gap: 12px;
}

.document-library-toggle {
    width: 100%;
    margin-bottom: 0;
    padding: 16px 18px;
    border: none;
    background: transparent;
    color: inherit;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
    transition: background var(--transition);
}

.document-library-toggle:hover {
    background: var(--color-primary-alpha-04);
}

.document-library-toggle:focus-visible {
    outline: 2px solid var(--color-primary-alpha-30);
    outline-offset: -2px;
}

.section-header__left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.doc-count-badge {
    font-size: 0.68rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    background: var(--color-primary-alpha-06);
    color: var(--color-primary);
    font-family: var(--font-mono);
}

.document-library-toggle__meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    color: var(--color-text-muted);
}

.document-library-toggle__hint {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0;
    padding: 4px 8px;
    border-radius: var(--radius-full);
    background: var(--color-primary-alpha-06);
    color: var(--color-primary);
}

.document-library-toggle__chevron {
    width: 16px;
    height: 16px;
    transition: transform 0.2s var(--ease-out);
}

.document-library-section:not(.document-library-section--collapsed) .document-library-toggle__chevron {
    transform: rotate(180deg);
}

.document-library-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0 18px 20px;
    max-height: 5000px;
    opacity: 1;
    transform: translateY(0);
    overflow: hidden;
    border-top: 1px solid rgba(0,0,0,0.05);
    transition: max-height 0.28s var(--ease-out), opacity 0.18s ease, transform 0.24s var(--ease-out), padding 0.24s var(--ease-out), border-color 0.24s ease;
}

.document-library-section--collapsed .document-library-body {
    max-height: 0;
    opacity: 0;
    transform: translateY(-4px);
    padding-top: 0;
    padding-bottom: 0;
    border-top-color: transparent;
    pointer-events: none;
}

/* ═══ STACKED LAYOUT ═══ */
.studio-columns {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 24px 32px 28px;
}

/* ═══ FILE FORMAT PILLS ═══ */
.upload-zone__format-pills {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 4px;
}

.upload-format-pill {
    padding: 3px 9px;
    border-radius: 6px;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.4;
}

.upload-format-pill--pdf  { background: rgba(239,68,68,0.10);  color: #dc2626; }
.upload-format-pill--docx { background: rgba(59,130,246,0.10); color: #2563eb; }
.upload-format-pill--txt  { background: rgba(107,114,128,0.12); color: #4b5563; }
.upload-format-pill--md   { background: rgba(139,92,246,0.10); color: #7c3aed; }

.upload-zone__size-hint {
    font-size: 0.62rem;
    color: var(--color-text-muted);
    padding: 2px 0;
}

/* ═══ INGEST PANEL (Tabbed) ═══ */
.ingest-panel {
    background: var(--color-surface-alpha-92);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(0,0,0,0.06);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
}

.ingest-panel__header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.ingest-tabs {
    display: flex;
    flex-direction: row;
    min-width: 0;
    gap: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
}

.ingest-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 44px;
    padding: 10px 20px;
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
    white-space: nowrap;
}

.ingest-tab svg { width: 15px; height: 15px; }

.ingest-tab:hover {
    color: var(--color-text-sec);
}

.ingest-tab--active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: transparent;
    box-shadow: none;
}

/* Tab Panes */
.ingest-pane {
    display: none;
    padding: 20px;
}

.ingest-pane--active { display: block; }

/* ═══ INTEGRATIONS CARD ═══ */
.integrations-card {
    background: var(--color-surface-alpha-92);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(0,0,0,0.06);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
}

.integrations-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    gap: 8px;
}

.integrations-card--collapsed .integrations-card__header {
    border-bottom-color: transparent;
}

.integrations-card__toggle {
    width: 100%;
    min-height: 54px;
    padding: 16px;
    border: none;
    background: transparent;
    color: inherit;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    text-align: left;
    transition: background var(--transition);
}

.integrations-card__toggle:hover {
    background: var(--color-primary-alpha-04);
}

.integrations-card__toggle:focus-visible {
    outline: 2px solid var(--color-primary-alpha-30);
    outline-offset: -2px;
}

.integrations-card__title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 7px;
}

.integrations-card__title svg { width: 17px; height: 17px; color: var(--color-primary); }

.integrations-card__header-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.integrations-card__chevron {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
    transition: transform 0.2s var(--ease-out);
}

.integrations-card:not(.integrations-card--collapsed) .integrations-card__chevron {
    transform: rotate(180deg);
}

.integrations-card__badge {
    font-size: 0.58rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: var(--color-success-alpha-08);
    color: var(--color-success-dark);
}

.integrations-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 12px 14px;
    max-height: 160px;
    opacity: 1;
    transform: translateY(0);
    overflow: hidden;
    transition: max-height 0.24s var(--ease-out), opacity 0.18s ease, transform 0.24s var(--ease-out), padding 0.24s var(--ease-out);
}

.integrations-card--collapsed .integrations-list {
    max-height: 0;
    opacity: 0;
    transform: translateY(-4px);
    padding-top: 0;
    padding-bottom: 0;
    pointer-events: none;
}

.integration-row {
    flex: 1;
    min-width: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 12px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(0,0,0,0.06);
    background: var(--color-page-bg);
    text-align: center;
    cursor: default;
    transition: background var(--transition), border-color 0.2s ease, box-shadow 0.2s ease;
}

.integration-row--clickable { cursor: pointer; }

.integration-row--clickable:hover {
    background: var(--color-surface);
    border-color: rgba(25,25,112,0.20);
    box-shadow: 0 2px 8px rgba(25,25,112,0.08);
}

.integration-row__icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.integration-row__icon svg { width: 18px; height: 18px; }

.integration-row__icon--drive { background: var(--color-gdrive-alpha-10); color: var(--color-gdrive); }
.integration-row__icon--github { background: var(--color-github-light); color: var(--color-github); }
.integration-row__icon--notion { background: rgba(0,0,0,0.06); color: var(--color-notion); }
.integration-row__icon--jira { background: var(--color-jira-alpha-10); color: var(--color-jira); }

.integration-row__name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text);
    text-align: center;
}

/* Hide the → chevron inside each integration tile (not needed in card layout) */
.integration-row .integration-row__chevron { display: none; }

.integration-row__status {
    margin-left: 0;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    background: var(--color-primary-alpha-06);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border-lt);
    font-size: 0.56rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

/* Clickable integration row */
.integration-row--clickable {
    cursor: pointer;
    position: relative;
}

.integration-row--clickable:hover {
    background: var(--color-gdrive-alpha-06);
}

.integration-row--disabled {
    opacity: 0.58;
    cursor: not-allowed;
    user-select: none;
}

.integration-row--disabled .integration-row__icon {
    filter: grayscale(0.35);
}

.integration-row__chevron {
    margin-left: auto;
    color: var(--color-text-muted);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.integration-row--expanded .integration-row__chevron {
    transform: rotate(180deg);
}

/* Badge variant - live (green) */
.integrations-card__badge--live {
    background: var(--color-success-alpha-10);
    color: var(--color-group-green);
}

/* Drive integration panel */
.drive-panel {
    padding: 12px 14px 14px;
    margin: 0 8px 8px;
    background: var(--color-page-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    animation: drivePanelIn 0.2s ease;
}

@keyframes drivePanelIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.drive-panel__hint {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    margin: 0 0 8px;
    line-height: 1.4;
}

.drive-panel__input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    background: var(--color-card-bg);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition);
    box-sizing: border-box;
}

.drive-panel__input:focus {
    border-color: var(--color-gdrive);
}

.drive-panel__row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 8px 0;
}

.drive-panel__label {
    font-size: 0.72rem;
    color: var(--color-text-sec);
    white-space: nowrap;
}

.drive-panel__select {
    flex: 1;
    padding: 5px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    background: var(--color-card-bg);
    color: var(--color-text);
    cursor: pointer;
}

.drive-panel__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 8px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--color-gdrive);
    color: var(--color-text-inv);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.drive-panel__btn:hover {
    background: var(--color-gdrive-dark);
}

.drive-panel__btn svg {
    flex-shrink: 0;
}

.drive-panel__status {
    font-size: 0.72rem;
    margin-top: 6px;
    min-height: 1em;
}

.drive-panel__status--loading {
    color: var(--color-warning);
}

.drive-panel__status--error {
    color: var(--color-error);
}

/* Refresh button on doc cards */
.doc-card__action-btn--refresh {
    color: var(--color-gdrive);
}

.doc-card__action-btn--refresh:hover {
    background: var(--color-gdrive-alpha-10);
}

.spin-active svg {
    animation: spinRefresh 0.8s linear infinite;
}

@keyframes spinRefresh {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* Drive badge on doc card meta */
.doc-card__meta-item--drive {
    color: var(--color-gdrive);
    font-weight: 600;
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed rgba(25,25,112,0.18);
    border-radius: var(--radius-lg);
    padding: 28px 16px;
    text-align: center;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
    background: radial-gradient(ellipse at 50% 30%, rgba(25,25,112,0.04) 0%, transparent 65%);
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--color-primary-alpha-40, rgba(25,25,112,0.40));
    background: radial-gradient(ellipse at 50% 0%, rgba(25,25,112,0.06) 0%, transparent 70%);
    box-shadow: 0 0 0 4px rgba(25,25,112,0.04), inset 0 0 20px rgba(25,25,112,0.04);
}

.upload-zone.dragover {
    border-color: var(--color-primary);
    border-style: solid;
    background: rgba(25,25,112,0.04);
    transform: scale(1.008);
    box-shadow: 0 0 0 5px rgba(25,25,112,0.08);
}

.upload-zone__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    pointer-events: none;
}

.upload-zone__icon-ring {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    border: 2px solid rgba(25,25,112,0.12);
    background: linear-gradient(135deg, rgba(25,25,112,0.06) 0%, rgba(53,53,168,0.04) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(25,25,112,0.08);
}

.upload-zone:hover .upload-zone__icon-ring {
    border-color: rgba(25,25,112,0.28);
    background: linear-gradient(135deg, rgba(25,25,112,0.10) 0%, rgba(53,53,168,0.07) 100%);
    box-shadow: 0 4px 16px rgba(25,25,112,0.14);
    transform: translateY(-2px);
}

.upload-zone.dragover .upload-zone__icon-ring {
    border-color: var(--color-primary);
    background: rgba(25,25,112,0.10);
    animation: uploadIconBounce 0.6s ease infinite alternate;
}

@keyframes uploadIconBounce {
    from { transform: translateY(0); }
    to   { transform: translateY(-4px); }
}

.upload-zone__icon-ring svg {
    width: 26px;
    height: 26px;
    stroke: var(--color-primary);
    transition: stroke var(--transition);
}

.upload-zone:hover .upload-zone__icon-ring svg { stroke: var(--color-primary); }

.upload-zone__text {
    font-size: 0.85rem;
    color: var(--color-text-sec);
    line-height: 1.4;
}

.upload-zone__text strong { color: var(--color-text); font-weight: 600; }

.upload-zone__browse {
    color: var(--color-primary);
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-color: rgba(25,25,112,0.30);
    transition: text-decoration-color 0.15s ease;
}

.upload-zone__browse:hover { text-decoration-color: var(--color-primary); }

.upload-zone__input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

/* Upload Progress */
.upload-progress {
    margin-top: 10px;
}

.upload-progress-item {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    background: var(--color-page-bg);
    margin-bottom: 6px;
    animation: fadeSlideUp 0.3s var(--ease-out);
}

.upload-progress-item__name {
    flex: 1;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.upload-progress-item__status {
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.upload-progress-item__status--uploading { background: var(--color-primary-alpha-10); color: var(--color-primary); }
.upload-progress-item__status--done { background: var(--color-success-alpha-10); color: var(--color-success); }
.upload-progress-item__status--error { background: var(--color-danger-alpha-10); color: var(--color-error); }

.upload-progress-item__row {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.upload-progress-item__pct {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-primary);
    min-width: 34px;
    text-align: right;
    flex-shrink: 0;
}

.upload-progress-item__bar-wrap {
    margin-top: 6px;
    height: 4px;
    border-radius: 2px;
    background: var(--color-border);
    overflow: hidden;
}

.upload-progress-item__bar {
    height: 100%;
    border-radius: 2px;
    background: var(--color-primary);
    transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.upload-bar--error .upload-progress-item__bar,
.upload-progress-item__bar.upload-bar--error {
    background: var(--color-error);
}

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Text Ingest */
.text-ingest-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.text-ingest__title {
    padding: 9px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.82rem;
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition);
    background: var(--color-page-bg);
}

.text-ingest__title:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-alpha-08);
    background: var(--color-surface);
}

.text-ingest__content {
    padding: 10px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.82rem;
    color: var(--color-text);
    outline: none;
    resize: vertical;
    min-height: 80px;
    transition: border-color var(--transition);
    background: var(--color-page-bg);
    line-height: 1.5;
}

.text-ingest__content:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-alpha-08);
    background: var(--color-surface);
}

.text-ingest__content::placeholder { color: var(--color-text-muted); }
.text-ingest__title::placeholder { color: var(--color-text-muted); }

.btn-ingest {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--color-primary);
    color: white;
    box-shadow: 0 2px 10px rgba(0,82,255,0.25);
}

.btn-ingest:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0,82,255,0.35);
}

.btn-ingest:active { transform: translateY(0); }

.btn-ingest:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-ingest svg { width: 16px; height: 16px; }

.btn-ingest--url {
    white-space: nowrap;
    flex-shrink: 0;
}

/* URL Ingest */
.url-ingest-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.url-input-row {
    display: flex;
    gap: 8px;
}

.url-ingest__input {
    flex: 1;
    padding: 9px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.82rem;
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition);
    background: var(--color-page-bg);
}

.url-ingest__input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-alpha-08);
    background: var(--color-surface);
}

.url-ingest__input::placeholder { color: var(--color-text-muted); }

.url-ingest__hint {
    font-size: 0.68rem;
    color: var(--color-text-sec);
    line-height: 1.4;
}

/* Sources grid removed - replaced by compact integrations card */

/* ═══ DOCUMENT TOOLBAR ═══ */
.doc-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 2px;
    flex-wrap: wrap;
}

.doc-toolbar__search {
    flex: 1;
    min-width: 200px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    transition: border-color var(--transition);
}

.doc-toolbar__search:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-alpha-08);
}

.doc-toolbar__search svg {
    width: 16px;
    height: 16px;
    stroke: var(--color-text-muted);
    flex-shrink: 0;
}

.doc-toolbar__search input {
    flex: 1;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 0.82rem;
    color: var(--color-text);
    background: transparent;
}

.doc-toolbar__search input::placeholder { color: var(--color-text-muted); }

.doc-toolbar__filters {
    display: flex;
    gap: 8px;
}

.doc-filter-select {
    padding: 7px 30px 7px 12px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.78rem;
    color: var(--color-text-sec);
    background: var(--color-surface);
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    transition: border-color var(--transition);
}

.doc-filter-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-alpha-08);
}

.doc-toolbar__view {
    display: flex;
    align-self: flex-end;
    margin-top: 16px;
    background: var(--color-page-bg);
    border-radius: var(--radius-sm);
    padding: 3px;
    gap: 2px;
    border: 1px solid var(--color-border-lt);
}

.view-toggle {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.view-toggle svg { width: 16px; height: 16px; }
.view-toggle:hover { color: var(--color-text-sec); }

.view-toggle.active {
    background: var(--color-surface);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* ═══ DOCUMENT GRID ═══ */
.doc-container--grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 14px;
}

.doc-container--list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* Grid Card */
.doc-card {
    padding: 18px;
    cursor: pointer;
    position: relative;
}

.doc-card:hover {
    transform: translateY(-2px);
}

.doc-card__accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.doc-card__accent--pdf { background: var(--color-error); }
.doc-card__accent--docx { background: var(--color-doc-docx); }
.doc-card__accent--txt { background: var(--color-group-green); }
.doc-card__accent--markdown { background: var(--color-doc-markdown); }
.doc-card__accent--text { background: var(--color-doc-audio); }
.doc-card__accent--folder { background: var(--color-gdrive); }
.doc-card__accent--unknown { background: var(--color-doc-unknown); }

/* ═══ FOLDER CARD ═══ */
.doc-card--folder {
    border: 1.5px solid var(--color-gdrive-alpha-25);
    background: var(--color-surface);
}

.doc-card--folder:hover {
    border-color: var(--color-gdrive-alpha-25);
    box-shadow: 0 4px 16px var(--color-gdrive-alpha-12);
}

.doc-card__icon--folder {
    font-size: 1.4rem;
}

.folder-toggle {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    transition: transform 0.2s ease;
    margin-left: auto;
    padding: 4px 8px;
    user-select: none;
    display: flex;
    align-items: center;
}

.folder-toggle svg { width: 14px; height: 14px; }

.folder-children {
    border-top: 1px solid var(--color-border);
    padding: 8px 12px;
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 280px;
    overflow-y: auto;
}

.folder-children::-webkit-scrollbar { width: 4px; }
.folder-children::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }

.folder-children__empty {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    padding: 12px 0;
}

.folder-child {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 6px;
    background: var(--color-bg);
    cursor: pointer;
    transition: background 0.15s ease;
    font-size: 0.82rem;
}

.folder-child:hover {
    background: var(--color-gdrive-alpha-06);
}

.folder-child__icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.folder-child__icon svg { width: 15px; height: 15px; }

.folder-child__name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-text);
    font-weight: 500;
}

.folder-child__status {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.folder-child__status svg { width: 13px; height: 13px; }
.folder-child__status--ready { color: var(--color-success); }
.folder-child__status--pending,
.folder-child__status--processing { color: var(--color-warning); }
.folder-child__status--error { color: var(--color-error); }

.folder-child__meta {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    flex-shrink: 0;
    white-space: nowrap;
}

.doc-card__top {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.doc-card__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: inherit;
}

.doc-card__icon svg {
    width: 22px;
    height: 22px;
}

.doc-card__icon--pdf { background: var(--color-danger-alpha-10); }
.doc-card__icon--docx { background: rgba(59,130,246,0.1); }
.doc-card__icon--txt { background: var(--color-success-alpha-10); }
.doc-card__icon--markdown { background: var(--color-purple-alpha-08); }
.doc-card__icon--text { background: var(--color-amber-alpha-10); }
.doc-card__icon--unknown { background: var(--color-role-member-bg); }

.doc-card__name {
    flex: 1;
    min-width: 0;
}

.doc-card__name h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.doc-card__type {
    font-size: 0.62rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-sec);
    margin-top: 2px;
}

.doc-card__status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.doc-card__status--ready { background: var(--color-success-alpha-10); color: var(--color-success); }
.doc-card__status--pending,
.doc-card__status--processing { background: var(--color-amber-alpha-10); color: var(--color-warning); }
.doc-card__status--error { background: var(--color-danger-alpha-10); color: var(--color-error); }

.doc-card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.doc-card__meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    color: var(--color-text-sec);
}

.doc-card__meta-item svg {
    width: 13px;
    height: 13px;
}

.doc-card__actions {
    position: absolute;
    top: 14px;
    right: 14px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity var(--transition);
}

.doc-card:hover .doc-card__actions { opacity: 1; }

.doc-card__action-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: none;
    background: var(--color-page-bg);
    color: var(--color-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.doc-card__action-btn svg { width: 14px; height: 14px; }
.doc-card__action-btn:hover { background: var(--color-danger-alpha-10); color: var(--color-error); }

/* List View Card */
.doc-container--list .doc-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
}

.doc-container--list .doc-card__accent { display: none; }
.doc-container--list .doc-card__top { margin-bottom: 0; flex: 1; min-width: 0; }
.doc-container--list .doc-card__meta { flex: 0 0 auto; }
.doc-container--list .doc-card__actions { position: static; opacity: 1; }

.doc-container--list .doc-card:hover { transform: none; }

/* Empty State */
.doc-empty {
    text-align: center;
    padding: 48px 24px;
}

.doc-empty__illustration svg { width: 120px; height: 100px; }

.doc-empty__title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    margin: 16px 0 6px;
}

.doc-empty__text {
    font-size: 0.85rem;
    color: var(--color-text-sec);
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ═══ DELETE MODAL ═══ */
.modal-overlay {
    z-index: 300;
}

.modal-box {
    padding: 32px;
    max-width: 400px;
    text-align: center;
}

.modal-box__icon { font-size: 2.2rem; margin-bottom: 12px; }
.modal-box__title { font-size: 1.05rem; font-weight: 500; color: var(--color-text); margin-bottom: 8px; }
.modal-box__desc { font-size: 0.85rem; color: var(--color-text-sec); line-height: 1.6; margin-bottom: 20px; }

.modal-box__actions { display: flex; gap: 10px; justify-content: center; }

/* ═══ DOCUMENT DRAWER ═══ */
.doc-drawer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(3px);
    z-index: 200;
}

.doc-drawer-overlay.active { display: block; }

.doc-drawer {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    height: 100vh;
    background: var(--color-surface);
    box-shadow: -8px 0 32px rgba(0,0,0,0.12);
    z-index: 250;
    display: flex;
    flex-direction: column;
    transition: right 0.35s var(--ease-out);
}

.doc-drawer.open { right: 0; }

.doc-drawer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border-lt);
}

.doc-drawer__title {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.doc-drawer__close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--color-page-bg);
    color: var(--color-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.doc-drawer__close svg { width: 18px; height: 18px; }
.doc-drawer__close:hover { background: var(--color-danger-alpha-10); color: var(--color-error); }

.doc-drawer__body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.doc-drawer__meta {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.drawer-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.drawer-field__label {
    font-size: 0.68rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.drawer-field__value {
    font-size: 0.85rem;
    color: var(--color-text);
    font-weight: 500;
}

.drawer-field__value--mono {
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.drawer-field__value--summary {
    font-style: italic;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Processing indicator dot */
.drawer-processing-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-warning);
    margin-left: 6px;
    vertical-align: middle;
    animation: drawerPulse 1.2s ease-in-out infinite;
}

@keyframes drawerPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.7); }
}

/* Indeterminate progress bar for processing docs */
.drawer-progress-bar {
    height: 4px;
    border-radius: 2px;
    background: var(--color-page-bg);
    overflow: hidden;
    margin-top: 6px;
}

.drawer-progress-bar__indeterminate {
    height: 100%;
    width: 40%;
    border-radius: 2px;
    background: var(--color-warning);
    animation: drawerProgress 1.4s ease-in-out infinite;
}

@keyframes drawerProgress {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(300%); }
}

/* ═══ DRAWER: CONTENT PREVIEW ═══ */
.drawer-section {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
}

.drawer-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    padding: 4px 0;
}

.drawer-section__toggle {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    transition: transform 0.2s ease;
    display: flex;
    align-items: center;
}

.drawer-chunks {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
    max-height: 400px;
    overflow-y: auto;
}

.drawer-chunks::-webkit-scrollbar { width: 4px; }
.drawer-chunks::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }

.drawer-chunks__loading,
.drawer-chunks__empty {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    padding: 16px 0;
}

.drawer-chunk {
    background: var(--color-page-bg);
    border-radius: 6px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
}

.drawer-chunk__header {
    font-size: 0.68rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.drawer-chunk__text {
    font-size: 0.78rem;
    line-height: 1.55;
    color: var(--color-text-secondary);
    white-space: pre-wrap;
    word-break: break-word;
}

.drawer-chunks__more {
    background: none;
    border: 1px dashed var(--color-border);
    border-radius: 6px;
    padding: 8px;
    font-size: 0.78rem;
    color: var(--color-primary);
    cursor: pointer;
    text-align: center;
    transition: background 0.15s ease;
}

.drawer-chunks__more:hover {
    background: var(--color-primary-alpha-06);
}

/* ═══ DRAWER: FOLDER FILES LIST ═══ */
.drawer-folder-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 8px;
    max-height: 300px;
    overflow-y: auto;
}

.drawer-folder-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 6px;
    background: var(--color-page-bg);
    cursor: pointer;
    transition: background 0.15s ease;
    font-size: 0.8rem;
}

.drawer-folder-item:hover {
    background: var(--color-gdrive-alpha-06);
}

.drawer-folder-item__status {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.drawer-folder-item__status--ready { color: var(--color-success); }
.drawer-folder-item__status--pending,
.drawer-folder-item__status--processing { color: var(--color-warning); }
.drawer-folder-item__status--error { color: var(--color-error); }

.drawer-folder-item__name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-text);
    font-weight: 500;
}

.drawer-folder-item__meta {
    flex-shrink: 0;
    font-size: 0.7rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

/* Chunk visualization bar */
.chunk-bar {
    height: 6px;
    border-radius: 3px;
    background: var(--color-page-bg);
    overflow: hidden;
    margin-top: 4px;
}

.chunk-bar__fill {
    height: 100%;
    border-radius: 3px;
    background: var(--color-primary);
    transition: width 0.6s var(--ease-out);
}

/* ═══ READ-ONLY RESTRICTIONS ═══ */
.studio-main.read-only-mode .ingest-panel {
    opacity: 0.45;
    pointer-events: none;
    position: relative;
}

.studio-main.read-only-mode .ingest-panel::after {
    content: 'Owners & Admins Only';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-alpha-70);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-text-muted);
    border-radius: var(--radius-lg);
    z-index: 2;
}

.studio-main.read-only-mode .doc-card__actions { display: none !important; }

/* ═══ TOAST NOTIFICATIONS ═══ */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 400;
    display: flex;
    flex-direction: column-reverse;
    gap: 8px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text);
    animation: toastIn 0.35s var(--ease-out);
    max-width: 360px;
}

.toast--success { border-left: 4px solid var(--color-success); }
.toast--error { border-left: 4px solid var(--color-error); }
.toast--info { border-left: 4px solid var(--color-primary); }

.toast__icon { display: flex; align-items: center; flex-shrink: 0; }
.toast--success .toast__icon { color: var(--color-success); }
.toast--error .toast__icon { color: var(--color-error); }
.toast--info .toast__icon { color: var(--color-primary); }

@keyframes spinStatus {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(12px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100%); }
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1200px) {
    .studio-columns { grid-template-columns: 1fr; }
    .integrations-card { display: grid; grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .studio-scroll { padding: 16px; }
    .studio-hero { flex-direction: column; align-items: flex-start; }
    .studio-hero__right { width: 100%; justify-content: flex-start; }
    .ingest-panel__header { padding: 14px; }
    .ingest-tabs { width: 100%; }
    .ingest-tab { padding-inline: 10px; }
    .upload-zone { padding: 20px 14px; }
    .doc-toolbar { flex-wrap: wrap; }
    .doc-toolbar__search { min-width: 100%; order: -1; }
    .doc-container--grid { grid-template-columns: 1fr; }
    .doc-drawer { width: 100%; right: -100%; height: 100dvh; max-height: 100dvh; overflow-y: auto; }
}

@media (max-width: 480px) {
    .url-input-row { flex-direction: column; }
    .ingest-tabs {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    .upload-zone { padding: 14px 12px; }
    .doc-toolbar__filters { flex-wrap: wrap; width: 100%; }
    .doc-filter-select { flex: 1; }
    .section-header { flex-direction: column; align-items: flex-start; gap: 8px; }
    .document-library-toggle {
        flex-direction: row;
        align-items: center;
    }
    .document-library-toggle__hint { display: none; }
    .document-library-body { padding-left: 14px; padding-right: 14px; }
    .doc-toolbar__view { align-self: flex-start; }
    .source-filter-tabs { gap: 5px; }
    .source-tab { font-size: 0.7rem; padding: 4px 10px; }
}

/* ═══ GOOGLE DRIVE IMPORT MODAL ═══ */
.drive-modal {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    box-shadow: 0 24px 64px rgba(0,0,0,0.18), 0 8px 24px rgba(0,0,0,0.10);
    overflow: hidden;
    animation: driveModalIn 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes driveModalIn {
    from { opacity: 0; transform: scale(0.95) translateY(-10px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.drive-modal__header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 22px;
    background: var(--gradient-gdrive);
    color: var(--color-text-inv);
}

.drive-modal__header-icon {
    width: 46px;
    height: 46px;
    background: var(--color-surface-alpha-18);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.drive-modal__header-text { flex: 1; min-width: 0; }

.drive-modal__title {
    font-size: 0.98rem;
    font-weight: 500;
    color: var(--color-text-inv);
    margin: 0 0 2px;
}

.drive-modal__subtitle {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.72);
    margin: 0;
}

.drive-modal__close {
    margin-left: auto;
    background: var(--color-surface-alpha-18);
    border: none;
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-inv);
    flex-shrink: 0;
    transition: background 0.15s;
}

.drive-modal__close:hover { background: var(--color-surface-alpha-18); }
.drive-modal__close svg { width: 16px; height: 16px; }

.drive-modal__body { padding: 22px 22px 14px; }

.drive-modal__field { margin-bottom: 16px; }

.drive-modal__field--inline {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.drive-modal__label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-text-sec);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.drive-modal__field--inline .drive-modal__label {
    margin-bottom: 0;
    white-space: nowrap;
    flex-shrink: 0;
}

.drive-modal__input {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    background: var(--color-page-bg);
    color: var(--color-text);
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.drive-modal__input:focus {
    border-color: var(--color-gdrive);
    box-shadow: 0 0 0 3px var(--color-gdrive-alpha-15);
}

.drive-modal__select {
    flex: 1;
    padding: 8px 10px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    background: var(--color-page-bg);
    color: var(--color-text);
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
}

.drive-modal__select:focus { border-color: var(--color-gdrive); }

.drive-modal__hint {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    background: var(--color-gdrive-alpha-06);
    border: 1px solid var(--color-gdrive-alpha-15);
    border-radius: var(--radius-sm);
    padding: 9px 12px;
    margin: 0 0 10px;
    line-height: 1.5;
}

.drive-modal__status {
    font-size: 0.78rem;
    min-height: 1.2em;
    margin: 4px 0 0;
}

.drive-modal__status--loading { color: var(--color-warning); }
.drive-modal__status--error   { color: var(--color-error, var(--color-error)); }
.drive-modal__status--success { color: var(--color-group-green); }

/* Modal import progress bar (GitHub / Drive) */
.modal-progress {
    margin: 12px 0 4px;
}

.modal-progress__track {
    height: 6px;
    border-radius: 3px;
    background: var(--color-border);
    overflow: hidden;
}

.modal-progress__bar {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary, var(--color-primary)));
    transition: width 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-progress__bar--error {
    background: var(--color-error) !important;
    transition: width 0.2s ease;
}

.modal-progress__label {
    display: block;
    font-size: 0.72rem;
    color: var(--color-text-secondary);
    margin-top: 5px;
    font-weight: 500;
    min-height: 1.1em;
}

.drive-modal__footer {
    display: flex;
    gap: 10px;
    padding: 14px 22px 20px;
    justify-content: flex-end;
}

.drive-modal__btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, box-shadow 0.15s;
    border: 1.5px solid transparent;
}

.drive-modal__btn--cancel {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text-sec);
}

.drive-modal__btn--cancel:hover { background: var(--color-page-bg); }

.drive-modal__btn--import {
    background: var(--color-gdrive);
    color: var(--color-text-inv);
    border-color: var(--color-gdrive);
}

.drive-modal__btn--import:hover {
    background: var(--color-gdrive-dark);
    box-shadow: 0 4px 14px rgba(66,133,244,0.35);
}

.drive-modal__btn--import:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
}

/* ═══ SOURCE FILTER TABS ═══ */
.source-filter-tabs {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    padding: 12px 0 4px;
}

.source-tab {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 13px;
    border-radius: 999px;
    border: 1.5px solid var(--color-border);
    background: transparent;
    color: var(--color-text-sec);
    font-size: 0.74rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    line-height: 1;
}

.source-tab:hover {
    border-color: var(--color-primary-light);
    color: var(--color-primary);
    background: rgba(0,82,255,0.05);
}

.source-tab--active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inv);
}

.source-tab--active:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-text-inv);
}

.source-tab--drive.source-tab--active {
    background: var(--color-gdrive);
    border-color: var(--color-gdrive);
}

.source-tab--drive.source-tab--active:hover {
    background: var(--color-gdrive-dark);
    border-color: var(--color-gdrive-dark);
}

.source-tab--github.source-tab--active {
    background: var(--color-github);
    border-color: var(--color-github);
}

.source-tab svg { width: 12px; height: 12px; flex-shrink: 0; }

.source-tab__count {
    display: inline-block;
    background: rgba(0,0,0,0.1);
    border-radius: 999px;
    padding: 1px 6px;
    font-size: 0.65rem;
    font-weight: 500;
    min-width: 16px;
    text-align: center;
    line-height: 1.5;
}

.source-tab--active .source-tab__count {
    background: rgba(255,255,255,0.25);
}

.source-tab__count--zero { opacity: 0.45; }