/* ==========================================================================
   MoWeb Share Webapp — Option B: MoWeb Charcoal (Platform Match)
   Clean, modern, and minimalistic design matching MoWeb global architecture
   With enhanced dark contrasts in light mode (crisp slate borders & dark grays)
   ========================================================================== */

:root {
    /* Dark Theme (MoWeb Platform Match) */
    --share-primary: #3b82f6;
    --share-primary-hover: #2563eb;
    --share-primary-light: rgba(59, 130, 246, 0.12);
    --share-primary-border: rgba(59, 130, 246, 0.35);

    --share-bg: #0f1113;
    --share-card-bg: #15161b;
    --share-card-border: #26262b;
    --share-card-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);

    --share-well-bg: #111217;
    --share-well-border: #26262b;
    --share-well-hover: #17181f;

    --share-drop-bg: #111217;
    --share-drop-border: #2e3038;
    --share-drop-hover: #151720;
    --share-drop-hover-border: #3b82f6;

    --share-item-bg: #15161b;
    --share-item-hover: #1a1c23;
    --share-item-border: #26262b;

    --share-text: #e8e8ea;
    --share-text-secondary: #9a8c98;
    --share-muted: #9a8c98;

    --share-success: #10b981;
    --share-success-bg: rgba(16, 185, 129, 0.12);
    --share-danger: #ef4444;
    --share-danger-bg: rgba(239, 68, 68, 0.12);
    --share-warning: #f59e0b;
    --share-warning-bg: rgba(245, 158, 11, 0.12);

    --share-radius: 6px;
    --share-radius-lg: 8px;
}

html.light {
    /* Light Theme (Requested Darker Contrasts: Crisp Slate Grays & Dark Borders) */
    --share-primary: #1d4ed8;
    --share-primary-hover: #1e40af;
    --share-primary-light: rgba(29, 78, 216, 0.1);
    --share-primary-border: #1d4ed8;

    --share-bg: #f5f6f8;
    --share-card-bg: #ffffff;
    --share-card-border: #cbd5e1;       /* Darker contrast border */
    --share-card-shadow: 0 4px 16px rgba(15, 23, 42, 0.07);

    --share-well-bg: #eceff3;           /* Darker contrast recessed well */
    --share-well-border: #94a3b8;       /* Strong structural border */
    --share-well-hover: #e2e8f0;

    --share-drop-bg: #f8fafc;
    --share-drop-border: #64748b;       /* Darker contrast dashed border */
    --share-drop-hover: #f1f5f9;
    --share-drop-hover-border: #1d4ed8;

    --share-item-bg: #ffffff;
    --share-item-hover: #f1f5f9;
    --share-item-border: #cbd5e1;       /* Darker contrast row border */

    --share-text: #0f172a;              /* Deep contrast slate */
    --share-text-secondary: #475569;    /* Dark gray secondary text */
    --share-muted: #475569;             /* Highly legible dark gray */

    --share-success: #059669;
    --share-success-bg: rgba(5, 150, 105, 0.12);
    --share-danger: #dc2626;
    --share-danger-bg: rgba(220, 38, 38, 0.12);
    --share-warning: #d97706;
    --share-warning-bg: rgba(217, 119, 6, 0.12);
}

/* ==========================================================================
   Layout Containers & Persistent Frame
   ========================================================================== */
.share-app-frame,
.share-wrapper {
    max-width: 1080px;
    margin: 1.5rem auto 3.5rem auto;
    padding: 0 1.25rem;
    box-sizing: border-box;
    animation: shareFadeIn 0.25s ease;
}

/* Fallback if a child template has nested .share-wrapper */
.share-frame-body > .share-wrapper {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    animation: none !important;
}

/* ==========================================================================
   Top Persistent Share Navigation Bar
   ========================================================================== */
.share-frame-header {
    margin-bottom: 2rem;
}

.share-nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    flex-wrap: wrap;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--share-card-border);
}

.share-nav-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.share-nav-btn {
    height: 34px;
    padding: 0 0.85rem;
    font-size: 0.825rem;
    font-weight: 500;
    gap: 0.4rem;
    border-radius: var(--share-radius);
    text-decoration: none;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.share-nav-icon {
    font-size: 0.95rem;
    line-height: 1;
}

.share-nav-btn-audit {
    border-color: rgba(239, 68, 68, 0.35) !important;
    color: var(--share-danger) !important;
}

.share-nav-btn-audit:hover:not(:disabled) {
    background: var(--share-danger-bg) !important;
    border-color: var(--share-danger) !important;
    color: var(--share-danger) !important;
}

.share-nav-btn-audit.active,
.share-nav-btn-audit.share-btn-primary {
    background: var(--share-danger) !important;
    border-color: var(--share-danger) !important;
    color: #ffffff !important;
}

.share-nav-auth {
    font-size: 0.82rem;
    color: var(--share-muted);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.share-lan-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.2rem 0.6rem;
    border-radius: var(--share-radius-sm, 4px);
    background: var(--share-well-bg);
    border: 1px solid var(--share-well-border);
    font-size: 0.75rem;
    color: var(--share-muted);
    font-family: monospace;
}

.share-auth-admin {
    color: var(--share-danger);
    font-weight: 700;
    margin-left: 3px;
}

.share-auth-login {
    color: var(--share-primary);
    text-decoration: none;
    font-weight: 600;
}

.share-auth-login:hover {
    text-decoration: underline;
}

@media (max-width: 860px) {
    .share-nav-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 0.65rem;
        padding-bottom: 0.75rem;
    }
    .share-nav-group {
        width: 100%;
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 6px;
        gap: 0.45rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .share-nav-group::-webkit-scrollbar {
        display: none;
    }
    .share-nav-btn {
        flex-shrink: 0;
        white-space: nowrap;
        font-size: 0.8rem;
        height: 33px;
        padding: 0 0.75rem;
    }
    .share-nav-auth {
        justify-content: flex-start;
        font-size: 0.78rem;
        gap: 0.5rem;
    }
}

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

/* Header & Intro */
.share-hero {
    text-align: center;
    margin-bottom: 2rem;
}

.share-hero-title {
    font-size: 2.1rem;
    font-weight: 600;
    letter-spacing: -0.025em;
    margin: 0 0 0.45rem 0;
    color: var(--share-text);
}

.share-hero-sub {
    font-size: 0.95rem;
    color: var(--share-muted);
    margin: 0 auto;
    max-width: 620px;
    line-height: 1.55;
}

.share-hero-nav {
    margin-top: 1rem;
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    flex-wrap: wrap;
}

.share-subnav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.82rem;
    color: var(--share-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.35rem 0.85rem;
    border-radius: var(--share-radius);
    background: var(--share-well-bg);
    border: 1px solid var(--share-well-border);
    transition: all 0.15s ease;
}

.share-subnav-link:hover {
    border-color: var(--share-primary);
    background: var(--share-well-hover);
}

/* Cards */
.share-card {
    background: var(--share-card-bg);
    border: 1px solid var(--share-card-border);
    border-radius: var(--share-radius-lg);
    box-shadow: var(--share-card-shadow);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    transition: border-color 0.2s ease;
}

/* ==========================================================================
   Drag & Drop Zone
   ========================================================================== */
.share-dropzone {
    position: relative;
    border: 1.5px dashed var(--share-drop-border);
    border-radius: var(--share-radius-lg);
    padding: 3rem 1.5rem;
    text-align: center;
    background: var(--share-drop-bg);
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
    outline: none;
    user-select: none;
}

.share-dropzone:hover,
.share-dropzone:focus-visible {
    border-color: var(--share-primary);
    background: var(--share-drop-hover);
}

.share-dropzone.dragover {
    border-color: var(--share-primary);
    background: var(--share-drop-hover);
    border-style: solid;
}

.dropzone-icon-wrap {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.9rem auto;
    border-radius: var(--share-radius);
    background: var(--share-primary-light);
    border: 1px solid var(--share-primary-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--share-primary);
    transition: transform 0.2s ease;
}

.share-dropzone:hover .dropzone-icon-wrap,
.share-dropzone.dragover .dropzone-icon-wrap {
    transform: translateY(-2px);
}

.dropzone-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--share-text);
    margin: 0 0 0.35rem 0;
}

.dropzone-sub {
    font-size: 0.88rem;
    color: var(--share-muted);
    margin: 0 0 1rem 0;
}

.dropzone-actions {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1rem;
}

/* ==========================================================================
   Staging / Selected Files Area
   ========================================================================== */
.share-staging-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.85rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.share-staging-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--share-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.badge-counter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 4px;
    background: var(--share-well-bg);
    border: 1px solid var(--share-well-border);
    color: var(--share-text);
    font-size: 0.74rem;
    font-weight: 600;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.share-files-container {
    border: 1px solid var(--share-item-border);
    border-radius: var(--share-radius);
    max-height: 380px;
    overflow-y: auto;
    background: var(--share-well-bg);
    scrollbar-width: thin;
}

.share-file-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--share-item-border);
    background: var(--share-item-bg);
    transition: background 0.15s ease;
    gap: 1rem;
}

.share-file-row:last-child {
    border-bottom: none;
}

.share-file-row:hover {
    background: var(--share-item-hover);
}

.file-row-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    min-width: 0;
}

/* File Type Badges — Refined Monochrome with Tinted Borders */
.file-type-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--share-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    flex-shrink: 0;
    background: var(--share-well-bg);
    border: 1px solid var(--share-well-border);
    color: var(--share-text);
}

.file-thumb-preview {
    width: 36px;
    height: 36px;
    border-radius: var(--share-radius);
    object-fit: cover;
    flex-shrink: 0;
    border: 1px solid var(--share-item-border);
}

.type-img { color: #38bdf8; border-color: rgba(56, 189, 248, 0.35); background: rgba(56, 189, 248, 0.06); }
.type-vid { color: #a78bfa; border-color: rgba(167, 139, 250, 0.35); background: rgba(167, 139, 250, 0.06); }
.type-aud { color: #fbbf24; border-color: rgba(251, 191, 36, 0.35); background: rgba(251, 191, 36, 0.06); }
.type-doc { color: #f87171; border-color: rgba(248, 113, 113, 0.35); background: rgba(248, 113, 113, 0.06); }
.type-code { color: #34d399; border-color: rgba(52, 211, 153, 0.35); background: rgba(52, 211, 153, 0.06); }
.type-zip { color: #60a5fa; border-color: rgba(96, 165, 250, 0.35); background: rgba(96, 165, 250, 0.06); }
.type-other { color: var(--share-muted); }

html.light .type-img { color: #0284c7; border-color: #0284c7; background: #e0f2fe; }
html.light .type-vid { color: #7c3aed; border-color: #7c3aed; background: #f3e8ff; }
html.light .type-aud { color: #b45309; border-color: #b45309; background: #fef3c7; }
html.light .type-doc { color: #b91c1c; border-color: #b91c1c; background: #fee2e2; }
html.light .type-code { color: #047857; border-color: #047857; background: #d1fae5; }
html.light .type-zip { color: #1d4ed8; border-color: #1d4ed8; background: #dbeafe; }
html.light .type-other { color: #475569; border-color: #94a3b8; background: #eceff3; }

.file-details {
    flex: 1;
    min-width: 0;
}

.file-title {
    font-weight: 500;
    font-size: 0.92rem;
    color: var(--share-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.15rem;
}

.file-meta {
    font-size: 0.78rem;
    color: var(--share-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.btn-icon-danger {
    background: transparent;
    border: 1px solid transparent;
    color: var(--share-muted);
    width: 28px;
    height: 28px;
    border-radius: var(--share-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.btn-icon-danger:hover {
    color: var(--share-danger);
    background: var(--share-danger-bg);
    border-color: rgba(239, 68, 68, 0.3);
}

/* Staging Actions Bar */
.staging-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--share-item-border);
    flex-wrap: wrap;
    gap: 1rem;
}

.staging-summary-stats {
    font-size: 0.88rem;
    color: var(--share-muted);
    font-weight: 500;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.staging-btn-group {
    display: flex;
    gap: 0.65rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0 1.15rem;
    height: 38px;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--share-radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.05s ease;
    box-sizing: border-box;
}

.share-btn svg {
    flex-shrink: 0;
}

.share-btn:active:not(:disabled) {
    transform: translateY(1px);
}

.share-btn:focus-visible {
    outline: 2px solid var(--share-primary);
    outline-offset: 2px;
}

.share-btn-sm {
    height: 30px;
    padding: 0 0.75rem;
    font-size: 0.8rem;
    gap: 0.35rem;
}

.share-btn-lg {
    height: 44px;
    padding: 0 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    gap: 0.6rem;
}

.share-btn-primary {
    background: var(--share-primary);
    color: #ffffff !important;
    border-color: var(--share-primary-hover);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.share-btn-primary:hover:not(:disabled) {
    background: var(--share-primary-hover);
    border-color: var(--share-primary-hover);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.share-btn-secondary {
    background: var(--share-well-bg);
    color: var(--share-text) !important;
    border: 1px solid var(--share-well-border);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.share-btn-secondary:hover:not(:disabled) {
    background: var(--share-well-hover);
    border-color: var(--share-primary);
    color: var(--share-text) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

html.light .share-btn-secondary {
    background: #ffffff;
    border-color: #94a3b8;
    color: #0f172a !important;
}

html.light .share-btn-secondary:hover:not(:disabled) {
    background: #f1f5f9;
    border-color: #64748b;
    color: #0f172a !important;
}

.share-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ==========================================================================
   Live Upload Progress
   ========================================================================== */
.upload-progress-card {
    background: var(--share-well-bg);
    border: 1px solid var(--share-well-border);
    border-radius: var(--share-radius-lg);
    padding: 1.25rem;
    margin-top: 1.25rem;
}

.overall-progress-bar-wrap {
    height: 6px;
    background: var(--share-well-border);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
    margin: 0.85rem 0 1rem 0;
}

.overall-progress-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--share-primary);
    border-radius: 3px;
    transition: width 0.2s ease;
}

.progress-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.65rem;
    margin-top: 0.85rem;
}

.stat-chip {
    background: var(--share-card-bg);
    border: 1px solid var(--share-item-border);
    border-radius: var(--share-radius);
    padding: 0.65rem 0.85rem;
    text-align: center;
}

.stat-chip-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--share-muted);
    margin-bottom: 0.2rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.stat-chip-val {
    font-size: 1rem;
    font-weight: 600;
    color: var(--share-text);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.upload-file-progress-item {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--share-item-border);
}

.upload-file-progress-item:last-child {
    border-bottom: none;
}

.file-prog-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    margin-bottom: 0.35rem;
    color: var(--share-text);
}

.file-prog-bar {
    height: 4px;
    background: var(--share-well-border);
    border-radius: 2px;
    overflow: hidden;
}

.file-prog-fill {
    height: 100%;
    width: 0%;
    background: var(--share-primary);
    border-radius: 2px;
    transition: width 0.2s ease;
}

/* ==========================================================================
   Share Success Complete Screen
   ========================================================================== */
.share-success-hero {
    text-align: center;
    padding: 1.5rem 1rem;
}

.success-check-badge {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem auto;
    border-radius: 50%;
    background: var(--share-success-bg);
    border: 1.5px solid var(--share-success);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--share-success);
}

.share-link-box {
    display: flex;
    align-items: center;
    background: var(--share-well-bg);
    border: 1px solid var(--share-well-border);
    border-radius: var(--share-radius);
    padding: 0.45rem 0.5rem 0.45rem 0.85rem;
    margin: 1.25rem 0;
    gap: 0.65rem;
    transition: border-color 0.2s ease;
}

.share-link-box:focus-within {
    border-color: var(--share-primary);
}

.share-link-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--share-text);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.9rem;
    min-width: 0;
}

/* Success Action Grid */
.success-action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 0.65rem;
    margin-top: 1.25rem;
}

/* QR Code Section */
.qr-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.qr-modal-overlay.active {
    display: flex;
    animation: shareFadeIn 0.2s ease;
}

.qr-modal-card {
    background: var(--share-card-bg);
    border: 1px solid var(--share-card-border);
    border-radius: var(--share-radius-lg);
    padding: 1.75rem;
    max-width: 360px;
    width: 100%;
    text-align: center;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
    position: relative;
}

.qr-preview-box {
    background: #0f1115;
    padding: 0.65rem;
    border-radius: 14px;
    display: inline-block;
    margin: 1rem 0;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.qr-preview-box canvas,
.qr-preview-box svg {
    display: block;
}

/* ==========================================================================
   Download Page Styles
   ========================================================================== */
.share-info-banner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.info-card {
    background: var(--share-well-bg);
    border: 1px solid var(--share-well-border);
    border-radius: var(--share-radius);
    padding: 0.85rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.info-card-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--share-radius);
    background: var(--share-primary-light);
    color: var(--share-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-card-content {
    min-width: 0;
}

.info-card-label {
    font-size: 0.72rem;
    color: var(--share-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    margin-bottom: 0.15rem;
}

.info-card-val {
    font-size: 0.96rem;
    font-weight: 600;
    color: var(--share-text);
}

/* Download Toolbar */
.download-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.download-search-box {
    position: relative;
    flex: 1;
    min-width: 200px;
    max-width: 360px;
}

.download-search-input {
    width: 100%;
    padding: 0.55rem 0.85rem 0.55rem 2.2rem;
    border-radius: var(--share-radius);
    border: 1px solid var(--share-well-border);
    background: var(--share-well-bg);
    color: var(--share-text);
    font-size: 0.88rem;
    outline: none;
    transition: border-color 0.15s ease;
    box-sizing: border-box;
}

.download-search-input:focus {
    border-color: var(--share-primary);
}

.download-search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--share-muted);
    pointer-events: none;
}

/* Media Preview Modal */
.preview-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2500;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.preview-modal-overlay.active {
    display: flex;
    animation: shareFadeIn 0.2s ease;
}

.preview-modal-container {
    background: var(--share-card-bg);
    border: 1px solid var(--share-card-border);
    border-radius: var(--share-radius-lg);
    max-width: 920px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.preview-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--share-item-border);
}

.preview-modal-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--share-text);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.preview-modal-body {
    padding: 1.25rem;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 250px;
    background: var(--share-well-bg);
}

.preview-modal-body img {
    max-width: 100%;
    max-height: 70vh;
    border-radius: var(--share-radius);
    object-fit: contain;
}

.preview-modal-body video {
    max-width: 100%;
    max-height: 70vh;
    border-radius: var(--share-radius);
    outline: none;
}

.preview-modal-body audio {
    width: 100%;
    max-width: 500px;
}

.preview-modal-body iframe {
    width: 100%;
    height: 70vh;
    border: none;
    border-radius: var(--share-radius);
    background: #fff;
}

.preview-text-content {
    width: 100%;
    max-height: 65vh;
    overflow: auto;
    font-family: ui-monospace, Menlo, Monaco, Consolas, monospace;
    font-size: 0.85rem;
    color: var(--share-text);
    white-space: pre-wrap;
    background: var(--share-well-bg);
    padding: 1rem;
    border-radius: var(--share-radius);
    border: 1px solid var(--share-well-border);
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--share-muted);
    font-size: 1.35rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.25rem;
    border-radius: 4px;
    transition: color 0.15s ease;
}

.modal-close-btn:hover {
    color: var(--share-text);
}

/* Toast Notifications */
.share-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--share-card-bg);
    border: 1px solid var(--share-primary);
    color: var(--share-text);
    padding: 0.75rem 1.15rem;
    border-radius: var(--share-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    font-size: 0.88rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    z-index: 3000;
    animation: toastSlide 0.25s ease;
}

@keyframes toastSlide {
    from { transform: translateY(16px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 640px) {
    .share-app-frame,
    .share-wrapper {
        margin: 0.85rem auto 2.5rem auto;
        padding: 0 0.75rem;
    }
    .share-hero {
        margin-bottom: 1.25rem;
    }
    .share-hero-title {
        font-size: 1.55rem;
        line-height: 1.2;
    }
    .share-hero-sub {
        font-size: 0.85rem;
        line-height: 1.45;
    }
    .share-card {
        padding: 1.15rem 0.9rem;
    }
    .share-dropzone {
        padding: 2rem 0.85rem;
    }
    .dropzone-title {
        font-size: 1rem;
    }
    .dropzone-sub {
        font-size: 0.82rem;
    }
    .staging-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .staging-btn-group {
        flex-direction: column;
        width: 100%;
    }
    .staging-btn-group .share-btn {
        width: 100%;
    }
    .success-action-grid {
        grid-template-columns: 1fr;
    }
    .download-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    .download-search-box {
        max-width: none;
        width: 100%;
    }
    .download-toolbar-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 0.45rem;
        width: 100%;
    }
    .download-toolbar-actions .share-btn {
        flex: 1;
        min-width: 110px;
        justify-content: center;
    }
    .download-toolbar-actions #btnDownloadAllZip {
        flex-basis: 100%;
    }
    .share-info-banner {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
        margin-bottom: 1.25rem;
    }
    .info-card {
        padding: 0.65rem 0.75rem;
        gap: 0.5rem;
    }
    .info-card-icon {
        width: 30px;
        height: 30px;
    }
    .info-card-icon svg {
        width: 16px;
        height: 16px;
    }
    .info-card-label {
        font-size: 0.68rem;
    }
    .info-card-val {
        font-size: 0.88rem;
    }
    .preview-modal-overlay {
        padding: 0.4rem;
    }
    .preview-modal-container {
        width: 100% !important;
        max-height: 96vh;
        border-radius: var(--share-radius);
    }
    .preview-modal-header {
        padding: 0.65rem 0.85rem;
    }
    .preview-modal-body {
        padding: 0.65rem 0.4rem;
        min-height: 180px;
    }
    .preview-modal-body img,
    .preview-modal-body video,
    .preview-modal-body iframe {
        max-height: 55vh;
    }
    .qr-modal-overlay {
        padding: 0.75rem;
    }
    .qr-modal-card {
        padding: 1.25rem 1rem;
        max-width: 320px;
    }
    .qr-preview-box {
        padding: 0.4rem;
    }
    .qr-preview-box svg,
    .qr-preview-box canvas {
        max-width: 100%;
        height: auto;
    }
    .dash-kpi-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.5rem !important;
    }
    .dash-kpi-card {
        padding: 0.75rem 0.5rem !important;
    }
    .dash-kpi-val {
        font-size: 1.25rem !important;
    }
    .audit-log-drawer {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding: 0.75rem;
    }
    .password-input-row {
        flex-direction: column;
        align-items: stretch;
    }
    .password-input-row > div {
        min-width: 0 !important;
        width: 100%;
    }
    #generatePasswordBtn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 540px) {
    .share-file-row {
        flex-direction: column;
        align-items: stretch;
        gap: 0.65rem;
        padding: 0.75rem 0.85rem;
    }
    .share-file-row .file-row-left {
        width: 100%;
    }
    .share-file-row .file-details {
        width: calc(100% - 46px);
    }
    .share-file-row .file-title {
        white-space: normal;
        word-break: break-word;
        line-height: 1.3;
        font-size: 0.88rem;
    }
    .share-file-row .file-row-actions,
    .share-file-row > div:last-child:not(.file-row-left) {
        display: flex;
        width: 100%;
        gap: 0.5rem;
    }
    .share-file-row .file-row-actions .share-btn,
    .share-file-row > div:last-child:not(.file-row-left) .share-btn {
        flex: 1;
        justify-content: center;
        height: 36px;
        font-size: 0.82rem;
    }
    .staging-summary-stats {
        text-align: center;
    }
    .dash-package-actions {
        width: 100%;
        display: grid !important;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.4rem;
        margin-top: 0.65rem;
    }
    .dash-package-actions .share-btn {
        width: 100%;
        justify-content: center;
        padding: 0.45rem 0.5rem !important;
        font-size: 0.78rem !important;
    }
}

/* ==========================================================================
   Queue Manager Badges & Controls (Feature 4)
   ========================================================================== */
.queue-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.18rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    white-space: nowrap;
}

.queue-badge-queued {
    background: var(--share-well-bg);
    color: var(--share-muted);
    border: 1px solid var(--share-well-border);
}

.queue-badge-uploading {
    background: var(--share-primary-light);
    color: var(--share-primary);
    border: 1px solid var(--share-primary-border);
}

.queue-badge-paused {
    background: var(--share-warning-bg);
    color: var(--share-warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.queue-badge-completed {
    background: var(--share-success-bg);
    color: var(--share-success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.queue-badge-cancelled,
.queue-badge-error {
    background: var(--share-danger-bg);
    color: var(--share-danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

@keyframes queuePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.queue-pulse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--share-primary);
    animation: queuePulse 1.2s infinite ease-in-out;
}

.queue-action-btn {
    background: var(--share-well-bg);
    border: 1px solid var(--share-well-border);
    border-radius: var(--share-radius);
    color: var(--share-muted);
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.15s ease;
}

.queue-action-btn:hover {
    background: var(--share-well-hover);
    color: var(--share-text);
    border-color: var(--share-primary);
}

.queue-action-btn-danger:hover {
    color: var(--share-danger);
    border-color: var(--share-danger);
}

/* ==========================================================================
   Folder Tree Explorer (Feature 6)
   ========================================================================== */
.folder-tree-wrap {
    background: var(--share-well-bg);
    border: 1px solid var(--share-well-border);
    border-radius: var(--share-radius);
    padding: 0.85rem 1rem;
    margin-bottom: 1.25rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.85rem;
}

.tree-folder-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.35rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
}

.tree-folder-row:hover {
    background: var(--share-well-hover);
}

.tree-file-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.3rem 0.5rem 0.3rem 1.5rem;
    border-radius: 4px;
}

.tree-file-row:hover {
    background: var(--share-well-hover);
}