/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Variables (nevian.ru palette) ───────────────────────────── */
:root {
    --bg:       #06000f;
    --bg-2:     rgba(6,0,20,0.82);
    --card:     rgba(0,212,255,0.038);
    --card-2:   rgba(0,212,255,0.07);
    --border:   rgba(0,212,255,0.14);
    --border-h: rgba(0,212,255,0.35);
    --border-m: rgba(255,0,110,0.18);
    --border-g: rgba(0,255,136,0.16);
    --text:     rgba(210,245,255,0.92);
    --muted:    rgba(140,195,215,0.52);
    --subtle:   rgba(100,150,170,0.3);
    --cyan:     #00d4ff;
    --magenta:  #ff006e;
    --green:    #00ff88;
    --orange:   #ff8c00;
    --blur:     blur(28px) saturate(180%);
    --mono:     'Share Tech Mono', 'Courier New', monospace;
    --sans:     'Inter', -apple-system, sans-serif;
    --r:        4px;
    --shadow-c: 0 0 20px rgba(0,212,255,0.15);
    --shadow-m: 0 0 20px rgba(255,0,110,0.15);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scanlines overlay */
body::after {
    content: '';
    position: fixed; inset: 0; z-index: 9998;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent, transparent 2px,
        rgba(0,0,0,0.025) 2px, rgba(0,0,0,0.025) 4px
    );
}

/* Circuit grid */
.grid-bg {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 20%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 20%, transparent 100%);
}

/* ── Layout ──────────────────────────────────────────────────── */
.app { position: relative; z-index: 1; min-height: 100vh; display: flex; flex-direction: column; }

/* ── Header / Nav ────────────────────────────────────────────── */
.header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(6,0,20,0.82);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 0 30px rgba(0,212,255,0.05);
}
.header-inner {
    max-width: 1100px; margin: 0 auto; padding: 0 1.5rem;
    height: 58px; display: flex; align-items: center; gap: 1rem;
}

.logo {
    display: flex; align-items: center; gap: 0.5rem;
    font-family: var(--mono); font-size: 1rem; font-weight: 400;
    color: var(--cyan); text-decoration: none; flex-shrink: 0;
    letter-spacing: 0.05em;
    text-shadow: 0 0 12px rgba(0,212,255,0.5);
}
.logo svg { width: 18px; height: 18px; }
.logo .slash { color: var(--magenta); opacity: 0.7; }

/* Nav back link */
.nav-back {
    display: flex; align-items: center; gap: 0.35rem;
    font-family: var(--mono); font-size: 0.72rem; color: var(--subtle);
    text-decoration: none; letter-spacing: 0.03em;
    transition: color 0.2s; padding: 0.3rem 0.5rem;
    border-radius: var(--r); border: 1px solid transparent;
    flex-shrink: 0;
}
.nav-back:hover { color: var(--cyan); text-decoration: none; border-color: var(--border); }
.nav-back svg { width: 12px; height: 12px; }

.header-stats { display: flex; gap: 0.5rem; margin-left: auto; flex-wrap: wrap; }

.stat-chip {
    display: flex; align-items: center; gap: 0.4rem;
    font-size: 0.72rem; font-family: var(--mono); color: var(--muted);
    background: var(--card); border: 1px solid var(--border);
    padding: 0.2rem 0.6rem; border-radius: var(--r);
    letter-spacing: 0.03em;
}
.stat-chip svg { width: 11px; height: 11px; }
.stat-chip b { color: var(--cyan); }

.header-actions { display: flex; gap: 0.5rem; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-family: var(--mono); font-size: 0.78rem; font-weight: 400;
    padding: 0.45rem 0.9rem; border-radius: var(--r);
    border: 1px solid transparent;
    cursor: pointer; transition: all 0.2s ease;
    text-decoration: none; white-space: nowrap; letter-spacing: 0.04em;
}
.btn svg { width: 13px; height: 13px; flex-shrink: 0; }
.btn:hover { text-decoration: none; }

.btn-primary {
    background: rgba(0,212,255,0.1); color: var(--cyan);
    border-color: rgba(0,212,255,0.35);
    box-shadow: 0 0 12px rgba(0,212,255,0.1);
}
.btn-primary:hover {
    background: rgba(0,212,255,0.18); border-color: var(--cyan);
    box-shadow: 0 0 20px rgba(0,212,255,0.25);
    text-shadow: 0 0 8px var(--cyan);
}

.btn-ghost {
    background: transparent; color: var(--muted);
    border-color: var(--border);
}
.btn-ghost:hover { background: var(--card); color: var(--cyan); border-color: var(--border-h); }

.btn-danger {
    background: rgba(255,0,110,0.1); color: var(--magenta);
    border-color: var(--border-m);
}
.btn-danger:hover { background: rgba(255,0,110,0.2); box-shadow: var(--shadow-m); }

.btn-danger-ghost { color: var(--magenta) !important; border-color: var(--border-m) !important; }
.btn-danger-ghost:hover { background: rgba(255,0,110,0.1) !important; }

.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.72rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 30px; height: 30px; padding: 0;
    background: transparent; border: 1px solid var(--border);
    border-radius: var(--r); cursor: pointer;
    color: var(--muted); transition: all 0.2s;
    font-family: inherit;
}
.btn-icon svg { width: 13px; height: 13px; }
.btn-icon:hover { background: var(--card); color: var(--cyan); border-color: var(--border-h); }
.btn-icon.btn-danger-ghost:hover { background: rgba(255,0,110,0.1); border-color: var(--magenta); color: var(--magenta); }
.btn-icon.btn-copy:hover { background: rgba(0,255,136,0.08); border-color: rgba(0,255,136,0.4); color: var(--green); }

/* ── Main ────────────────────────────────────────────────────── */
.main {
    max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem 5rem;
    width: 100%; flex: 1;
}

/* ── Drop Zone ───────────────────────────────────────────────── */
.upload-section { margin-bottom: 2.5rem; }

.drop-zone {
    border: 1px dashed rgba(0,212,255,0.25);
    border-radius: var(--r);
    padding: 3.5rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    background: var(--card);
    position: relative;
    overflow: hidden;
}
.drop-zone::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at center, rgba(0,212,255,0.06) 0%, transparent 70%);
    opacity: 0; transition: opacity 0.25s;
}
.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--cyan);
    border-style: solid;
    box-shadow: 0 0 30px rgba(0,212,255,0.1), inset 0 0 30px rgba(0,212,255,0.03);
}
.drop-zone:hover::before, .drop-zone.drag-over::before { opacity: 1; }
.drop-zone.drag-over { background: rgba(0,212,255,0.05); }

.drop-zone-body { position: relative; z-index: 1; }

.drop-icon {
    width: 64px; height: 64px; margin: 0 auto 1.25rem;
    background: rgba(0,212,255,0.06); border-radius: var(--r);
    display: flex; align-items: center; justify-content: center;
    color: var(--cyan); transition: transform 0.25s, box-shadow 0.25s;
    border: 1px solid var(--border);
}
.drop-icon svg { width: 28px; height: 28px; }
.drop-zone:hover .drop-icon, .drop-zone.drag-over .drop-icon {
    transform: translateY(-4px);
    box-shadow: 0 0 20px rgba(0,212,255,0.3);
}

.drop-zone h2 {
    font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem;
    color: var(--text);
}
.drop-zone p { color: var(--muted); font-size: 0.875rem; margin-bottom: 0.25rem; }
.drop-hint {
    font-size: 0.75rem; font-family: var(--mono);
    color: var(--subtle) !important;
    margin-top: 0.5rem !important; letter-spacing: 0.03em;
}

.link-label {
    color: var(--cyan); cursor: pointer;
    text-shadow: 0 0 8px rgba(0,212,255,0.4);
}
.link-label:hover { text-decoration: underline; }

/* ── Upload Queue ────────────────────────────────────────────── */
.upload-queue { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }

.upload-item {
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--r); padding: 0.9rem 1.1rem;
    display: grid; grid-template-columns: auto 1fr auto;
    align-items: center; gap: 0.875rem;
    animation: slideDown 0.2s ease;
}
.upload-item.status-done  { border-color: rgba(0,255,136,0.25); }
.upload-item.status-error { border-color: var(--border-m); }

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

.upload-item-icon {
    width: 34px; height: 34px; border-radius: var(--r);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; flex-shrink: 0;
    background: var(--card-2); border: 1px solid var(--border);
}

.upload-item-body { min-width: 0; }
.upload-item-name {
    font-size: 0.8rem; font-weight: 500;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    margin-bottom: 0.3rem; color: var(--text);
}
.upload-item-meta {
    font-size: 0.7rem; color: var(--muted); font-family: var(--mono);
    display: flex; gap: 0.75rem; flex-wrap: wrap; letter-spacing: 0.02em;
}
.item-speed, .item-eta { color: var(--cyan); }

.progress-bar-wrap {
    height: 2px; background: rgba(0,212,255,0.1);
    border-radius: 999px; overflow: hidden; margin-top: 0.5rem;
}
.progress-bar {
    height: 100%; background: var(--cyan);
    border-radius: 999px; transition: width 0.1s linear;
    box-shadow: 0 0 6px var(--cyan); width: 0%;
}
.upload-item.status-done  .progress-bar { background: var(--green);   box-shadow: 0 0 6px var(--green); }
.upload-item.status-error .progress-bar { background: var(--magenta); box-shadow: 0 0 6px var(--magenta); }

.status-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--subtle);
}
.status-dot.uploading { background: var(--cyan);    box-shadow: 0 0 8px var(--cyan);    animation: pulse 1.2s infinite; }
.status-dot.done      { background: var(--green);   box-shadow: 0 0 8px var(--green); }
.status-dot.error     { background: var(--magenta); box-shadow: 0 0 8px var(--magenta); }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ── Section title & controls ────────────────────────────────── */
.section-title {
    font-family: var(--mono); font-size: 0.85rem; font-weight: 400;
    color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em;
    display: flex; align-items: center; gap: 0.5rem;
}
.section-title::before { content: '>_'; color: var(--cyan); opacity: 0.6; }

.badge {
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 0.65rem; font-family: var(--mono);
    background: rgba(0,212,255,0.08); color: var(--cyan);
    border: 1px solid var(--border); padding: 0.05rem 0.4rem;
    border-radius: 2px; min-width: 20px;
}

.files-header {
    display: flex; align-items: center; gap: 1rem;
    flex-wrap: wrap; margin-bottom: 1.25rem;
}
.files-controls { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-left: auto; }

/* Search */
.search-wrap { position: relative; display: flex; align-items: center; }
.search-wrap svg {
    position: absolute; left: 0.65rem;
    width: 13px; height: 13px; color: var(--subtle); pointer-events: none;
}
.search-input {
    background: var(--card); border: 1px solid var(--border);
    color: var(--text); font-family: var(--mono); font-size: 0.78rem;
    padding: 0.4rem 0.75rem 0.4rem 2rem;
    border-radius: var(--r); outline: none;
    width: 200px; transition: all 0.2s; letter-spacing: 0.02em;
}
.search-input:focus { border-color: var(--border-h); box-shadow: 0 0 12px rgba(0,212,255,0.1); }
.search-input::placeholder { color: var(--subtle); }

/* ── Custom Dropdown ─────────────────────────────────────────── */
.dropdown { position: relative; display: inline-block; }

.dropdown-btn {
    display: flex; align-items: center; gap: 0.5rem;
    background: var(--card); border: 1px solid var(--border);
    color: var(--muted); font-family: var(--mono); font-size: 0.78rem;
    padding: 0.4rem 0.75rem; border-radius: var(--r);
    cursor: pointer; transition: all 0.2s; white-space: nowrap;
    letter-spacing: 0.03em; min-width: 140px;
    justify-content: space-between;
}
.dropdown-btn svg { width: 10px; height: 10px; transition: transform 0.2s; flex-shrink: 0; }
.dropdown.open .dropdown-btn svg { transform: rotate(180deg); }
.dropdown-btn:hover, .dropdown.open .dropdown-btn {
    border-color: var(--border-h); color: var(--text);
    background: var(--card-2);
}

.dropdown-menu {
    position: absolute; top: calc(100% + 4px); right: 0;
    background: rgba(6,0,20,0.96); border: 1px solid var(--border-h);
    border-radius: var(--r); min-width: 100%; z-index: 200;
    backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
    box-shadow: 0 8px 32px rgba(0,0,0,0.6), 0 0 20px rgba(0,212,255,0.06);
    display: none; overflow: hidden;
}
.dropdown.open .dropdown-menu { display: block; }

.dropdown-opt {
    padding: 0.45rem 0.75rem;
    font-family: var(--mono); font-size: 0.75rem;
    color: var(--muted); cursor: pointer; transition: all 0.15s;
    letter-spacing: 0.03em; white-space: nowrap;
    border-bottom: 1px solid rgba(0,212,255,0.05);
}
.dropdown-opt:last-child { border-bottom: none; }
.dropdown-opt:hover { background: rgba(0,212,255,0.07); color: var(--cyan); padding-left: 1rem; }
.dropdown-opt.selected { color: var(--cyan); background: rgba(0,212,255,0.05); }
.dropdown-opt.selected::before { content: '> '; opacity: 0.6; }

/* ── File Cards ──────────────────────────────────────────────── */
.files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.65rem;
}

.file-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--r); padding: 0.9rem 1rem;
    display: flex; flex-direction: column; gap: 0.65rem;
    transition: all 0.2s ease;
    animation: fadeIn 0.2s ease;
    position: relative; overflow: hidden;
}
.file-card::after {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse at top left, rgba(0,212,255,0.04), transparent 70%);
    opacity: 0; transition: opacity 0.2s;
}
.file-card:hover {
    border-color: rgba(0,212,255,0.28);
    box-shadow: 0 0 20px rgba(0,212,255,0.08);
    transform: translateY(-1px);
}
.file-card:hover::after { opacity: 1; }

@keyframes fadeIn {
    from { opacity:0; transform:scale(0.98); }
    to   { opacity:1; transform:scale(1); }
}

.file-card-top { display: flex; align-items: flex-start; gap: 0.7rem; position: relative; z-index: 1; }

.file-type-icon {
    width: 38px; height: 38px; border-radius: var(--r);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; flex-shrink: 0;
    border: 1px solid var(--border);
}
.icon-bg-image    { background: rgba(0,255,136,0.08);   border-color: var(--border-g); }
.icon-bg-video    { background: rgba(255,0,110,0.08);   border-color: var(--border-m); }
.icon-bg-audio    { background: rgba(255,140,0,0.08);   border-color: rgba(255,140,0,0.2); }
.icon-bg-archive  { background: rgba(255,140,0,0.08);   border-color: rgba(255,140,0,0.2); }
.icon-bg-document { background: rgba(0,212,255,0.08);   border-color: var(--border); }
.icon-bg-text     { background: rgba(140,195,215,0.06); border-color: var(--border); }
.icon-bg-code     { background: rgba(163,113,247,0.08); border-color: rgba(163,113,247,0.2); }
.icon-bg-file     { background: rgba(0,212,255,0.04);   border-color: var(--border); }

.file-card-info { flex: 1; min-width: 0; }
.file-card-name {
    font-size: 0.82rem; font-weight: 500;
    word-break: break-word; line-height: 1.4;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
    color: var(--text); margin-bottom: 0.35rem;
}
.file-card-meta { display: flex; flex-wrap: wrap; gap: 0.3rem; align-items: center; }
.meta-tag {
    font-size: 0.65rem; font-family: var(--mono); color: var(--muted);
    background: rgba(0,212,255,0.04); border: 1px solid var(--border);
    padding: 0.05rem 0.35rem; border-radius: 2px; letter-spacing: 0.02em;
}

.file-card-actions {
    display: flex; gap: 0.35rem; align-items: center;
    position: relative; z-index: 1;
}

.btn-download {
    flex: 1; justify-content: center;
    font-size: 0.72rem; font-family: var(--mono); letter-spacing: 0.04em;
    padding: 0.35rem 0.7rem;
    background: rgba(0,212,255,0.07); color: var(--cyan);
    border: 1px solid rgba(0,212,255,0.2);
    border-radius: var(--r);
    display: flex; align-items: center; gap: 0.3rem;
    cursor: pointer; transition: all 0.2s; white-space: nowrap;
    text-decoration: none;
}
.btn-download svg { width: 12px; height: 12px; }
.btn-download:hover {
    background: rgba(0,212,255,0.15); border-color: var(--cyan);
    box-shadow: 0 0 12px rgba(0,212,255,0.2);
    text-shadow: 0 0 6px var(--cyan);
    text-decoration: none;
}

/* ── Loading / Empty ─────────────────────────────────────────── */
.loading-state, .empty-state, .error-state {
    grid-column: 1/-1;
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; padding: 4rem 1rem; gap: 0.75rem;
    color: var(--muted); text-align: center;
    font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.05em;
}
.empty-state svg { width: 40px; height: 40px; opacity: 0.2; color: var(--cyan); }

.spinner {
    width: 28px; height: 28px;
    border: 2px solid var(--border);
    border-top-color: var(--cyan);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    box-shadow: 0 0 12px rgba(0,212,255,0.2);
}
@keyframes spin { to { transform:rotate(360deg); } }

/* ── Pagination ──────────────────────────────────────────────── */
.pagination {
    display: flex; justify-content: center; gap: 0.3rem;
    margin-top: 1.5rem; flex-wrap: wrap;
}
.page-btn {
    min-width: 32px; height: 32px; padding: 0 0.4rem;
    display: flex; align-items: center; justify-content: center;
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--r); font-size: 0.75rem; font-family: var(--mono);
    color: var(--muted); cursor: pointer; transition: all 0.2s;
    font-family: inherit;
}
.page-btn:hover { border-color: var(--border-h); color: var(--cyan); background: var(--card-2); }
.page-btn.active {
    background: rgba(0,212,255,0.12); color: var(--cyan);
    border-color: rgba(0,212,255,0.4);
    box-shadow: 0 0 12px rgba(0,212,255,0.15);
    font-weight: 600;
}
.page-btn:disabled { opacity: 0.3; cursor: default; }

/* ── Toasts ──────────────────────────────────────────────────── */
.toasts {
    position: fixed; bottom: 1.5rem; right: 1.5rem;
    display: flex; flex-direction: column; gap: 0.4rem;
    z-index: 9999; max-width: 320px;
}
.toast {
    background: rgba(6,0,20,0.92); border: 1px solid var(--border);
    backdrop-filter: var(--blur);
    border-radius: var(--r); padding: 0.65rem 0.9rem;
    font-size: 0.78rem; font-family: var(--mono); color: var(--text);
    box-shadow: 0 4px 24px rgba(0,0,0,0.5);
    display: flex; align-items: center; gap: 0.5rem;
    animation: toastIn 0.2s ease;
    letter-spacing: 0.02em;
}
.toast.success { border-color: rgba(0,255,136,0.3); }
.toast.error   { border-color: var(--border-m); }
.toast svg { width: 14px; height: 14px; flex-shrink: 0; }
.toast.success svg { color: var(--green); }
.toast.error   svg { color: var(--magenta); }
@keyframes toastIn {
    from { opacity:0; transform:translateX(16px); }
    to   { opacity:1; transform:translateX(0); }
}

/* ── Login Page ──────────────────────────────────────────────── */
body.login-page {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; padding: 1rem;
    background: var(--bg);
}
.login-wrap { width: 100%; max-width: 360px; position: relative; z-index: 1; }
.login-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--r); padding: 2.25rem 1.75rem;
    box-shadow: 0 0 40px rgba(0,212,255,0.08), 0 20px 60px rgba(0,0,0,0.5);
}

/* ── Forms ───────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.1rem; }
.form-label {
    display: block; font-size: 0.72rem; font-family: var(--mono);
    font-weight: 400; color: var(--muted); margin-bottom: 0.4rem;
    letter-spacing: 0.08em; text-transform: uppercase;
}
.form-input {
    width: 100%; background: rgba(0,0,0,0.3); border: 1px solid var(--border);
    color: var(--text); font-family: var(--mono); font-size: 0.85rem;
    padding: 0.55rem 0.75rem; border-radius: var(--r);
    outline: none; transition: all 0.2s; letter-spacing: 0.03em;
}
.form-input:focus {
    border-color: var(--border-h);
    box-shadow: 0 0 14px rgba(0,212,255,0.15);
}

.alert {
    padding: 0.65rem 0.9rem; border-radius: var(--r);
    font-size: 0.78rem; font-family: var(--mono); margin-bottom: 1rem;
    border: 1px solid transparent; letter-spacing: 0.02em;
}
.alert-danger {
    background: rgba(255,0,110,0.08); border-color: var(--border-m);
    color: var(--magenta);
}

.link-muted {
    color: var(--muted); font-size: 0.78rem; font-family: var(--mono);
    letter-spacing: 0.03em;
}
.link-muted:hover { color: var(--cyan); }

/* ── Admin stats grid ────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 0.65rem; margin-bottom: 2rem;
}
.stat-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--r); padding: 1.1rem 1.25rem;
    display: flex; align-items: center; gap: 0.875rem;
    transition: all 0.2s;
}
.stat-card:hover { border-color: var(--border-h); box-shadow: var(--shadow-c); }
.stat-card-icon {
    width: 38px; height: 38px; border-radius: var(--r);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    border: 1px solid;
}
.stat-card-icon svg { width: 18px; height: 18px; }
.icon-cyan   { background: rgba(0,212,255,0.08);   border-color: var(--border);    color: var(--cyan); }
.icon-green  { background: rgba(0,255,136,0.08);   border-color: var(--border-g);  color: var(--green); }
.icon-magenta{ background: rgba(255,0,110,0.08);   border-color: var(--border-m);  color: var(--magenta); }
.icon-orange { background: rgba(255,140,0,0.08);   border-color: rgba(255,140,0,.2); color: var(--orange); }
.stat-card-value {
    font-size: 1.35rem; font-weight: 700; line-height: 1.2;
    font-family: var(--mono); color: var(--text);
}
.stat-card-label {
    font-size: 0.68rem; font-family: var(--mono); color: var(--muted);
    margin-top: 0.1rem; letter-spacing: 0.05em; text-transform: uppercase;
}

/* ── Admin table ─────────────────────────────────────────────── */
.table-toolbar {
    margin-bottom: 0.65rem;
    display: flex; align-items: center; gap: 1rem;
}
.checkbox-label {
    display: flex; align-items: center; gap: 0.45rem;
    font-size: 0.72rem; font-family: var(--mono); cursor: pointer; color: var(--muted);
    letter-spacing: 0.04em; text-transform: uppercase;
}
.checkbox-label input[type=checkbox] {
    width: 14px; height: 14px; accent-color: var(--cyan); cursor: pointer;
}

.admin-table-wrap {
    overflow-x: auto; border: 1px solid var(--border);
    border-radius: var(--r);
}
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
.admin-table th {
    text-align: left; padding: 0.65rem 0.9rem;
    font-size: 0.65rem; font-family: var(--mono); font-weight: 400;
    text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted);
    background: rgba(0,212,255,0.025); border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.admin-table td {
    padding: 0.65rem 0.9rem; border-bottom: 1px solid rgba(0,212,255,0.06);
    vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(0,212,255,0.025); }

.col-check   { width: 36px; }
.col-actions { white-space: nowrap; }
.file-name-cell { max-width: 260px; }
.file-name-cell a {
    color: var(--text); font-weight: 500;
    display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    font-size: 0.8rem;
}
.file-name-cell a:hover { color: var(--cyan); text-decoration: none; }
.table-loading { text-align: center; padding: 3rem 1rem !important; }
.table-loading .spinner { margin: 0 auto; }
.actions-cell { display: flex; gap: 0.3rem; }

.mono-cell {
    font-family: var(--mono); font-size: 0.72rem; color: var(--muted);
    letter-spacing: 0.02em; white-space: nowrap;
}

/* ── Password change section ─────────────────────────────────── */
.passwd-section {
    margin-top: 2rem; padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}
.passwd-section .section-title { margin-bottom: 1rem; }

/* ── Modal ───────────────────────────────────────────────────── */
.modal-backdrop {
    position: fixed; inset: 0; z-index: 500;
    background: rgba(0,0,0,0.7); backdrop-filter: blur(6px);
    display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.modal {
    background: rgba(6,0,20,0.95); border: 1px solid var(--border);
    border-radius: var(--r); width: 100%; max-width: 400px;
    box-shadow: 0 0 40px rgba(0,212,255,0.1), 0 20px 60px rgba(0,0,0,0.7);
    animation: modalIn 0.2s ease;
}
@keyframes modalIn {
    from { opacity:0; transform:scale(0.96); }
    to   { opacity:1; transform:scale(1); }
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.1rem 1.25rem 0.9rem; border-bottom: 1px solid var(--border);
}
.modal-header h4 {
    font-size: 0.82rem; font-family: var(--mono); font-weight: 400;
    color: var(--cyan); letter-spacing: 0.06em; text-transform: uppercase;
}
.modal-close {
    background: none; border: none; color: var(--muted);
    font-size: 1.2rem; cursor: pointer; line-height: 1; padding: 0 0.2rem;
    font-family: var(--mono);
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 1.1rem 1.25rem; }
.modal-footer {
    display: flex; justify-content: flex-end; gap: 0.4rem;
    padding: 0.9rem 1.25rem 1.1rem; border-top: 1px solid var(--border);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 640px) {
    .main { padding: 1.25rem 1rem 3rem; }
    .header-stats { display: none; }
    .files-header { flex-direction: column; align-items: flex-start; }
    .files-controls { margin-left: 0; width: 100%; }
    .search-input { width: 100%; }
    .drop-zone { padding: 2.5rem 1rem; }
    .drop-zone h2 { font-size: 1rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .nav-back { display: none; }
}
@media (max-width: 400px) {
    .stats-grid { grid-template-columns: 1fr; }
}