/*
 * theme.css
 * ─────────────────────────────────────────────────────────────────────────────
 * Single source of truth for ALL visual styles in the MLM application.
 * Zero hardcoded colours — every visual property reads from a CSS custom
 * property that is injected by layouts/app.blade.php and layouts/guest.blade.php.
 *
 * To change the entire look:
 *   1. Edit the $themes array in app.blade.php / guest.blade.php, OR
 *   2. Swap in a new set of --variable values via a different theme, OR
 *   3. Override specific variables in a <style> block after this file loads.
 *
 * Variable reference
 * ──────────────────
 * Layout       --bg  --bg-2  --bg-3
 * Sidebar      --sidebar-bg  --topbar-bg
 * Accent       --accent  --accent-dim  --accent-text  --accentGlow
 * Borders      --border  --border-soft
 * Text         --text  --text-muted  --text-faint
 * Semantic     --success  --warning  --danger
 * Shadow       --shadow
 * Typography   --font-display  --font-body  --font-mono
 * ─────────────────────────────────────────────────────────────────────────────
 */

/* ═══════════════════════════════════════════════════════
   1. RESET + BASE
═══════════════════════════════════════════════════════ */

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-weight: 300;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

input, select, textarea, button {
    font-family: inherit;
}

a { color: inherit; }

/* ═══════════════════════════════════════════════════════
   2. APP SHELL — Sidebar + Main area
═══════════════════════════════════════════════════════ */

.app-shell {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ── */
.app-sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 40;
    transition: transform 0.3s ease;
}

.sidebar-logo {
    padding: 1.5rem 1.5rem 1rem;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.03em;
    border-bottom: 1px solid var(--border-soft);
    text-decoration: none;
    display: block;
}
.sidebar-logo span { color: var(--text); font-weight: 400; }

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
    scrollbar-width: none;
}
.sidebar-nav::-webkit-scrollbar { display: none; }

.nav-section-label {
    font-size: 0.65rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-faint);
    padding: 0.75rem 1.5rem 0.35rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 400;
    transition: color 0.15s, background 0.15s;
    border-left: 2px solid transparent;
}
.nav-item:hover {
    color: var(--text);
    background: var(--accent-dim);
}
.nav-item.active {
    color: var(--accent-text);
    background: var(--accent-dim);
    border-left-color: var(--accent);
}
.nav-item svg {
    width: 16px; height: 16px;
    stroke: currentColor; fill: none;
    stroke-width: 1.8; flex-shrink: 0;
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-soft);
    font-size: 0.78rem;
    color: var(--text-faint);
    position: relative;
}

/* ── Main area ── */
.app-main {
    flex: 1;
    margin-left: 240px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ── Top bar ── */
.app-topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    background: var(--topbar-bg);
    border-bottom: 1px solid var(--border-soft);
    height: 56px;
    display: flex;
    align-items: center;
    padding: 0 2rem;
    gap: 1rem;
}

.topbar-heading {
    flex: 1;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: 0.02em;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.topbar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px; height: 34px;
    border-radius: 8px;
    border: 1px solid var(--border-soft);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.topbar-btn:hover {
    color: var(--text);
    border-color: var(--border);
    background: var(--accent-dim);
}
.topbar-btn svg {
    width: 16px; height: 16px;
    stroke: currentColor; fill: none; stroke-width: 1.8;
}

.topbar-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--accent-dim);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; font-weight: 500;
    color: var(--accent-text);
    cursor: pointer;
}

/* ── Page content wrapper ── */
.app-content {
    flex: 1;
    padding: 2rem;
}

/* ── Mobile overlay ── */
.sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 35;
    backdrop-filter: blur(2px);
}
.sidebar-overlay.visible { display: block; }

@media (max-width: 768px) {
    .app-sidebar { transform: translateX(-100%); }
    .app-sidebar.open { transform: translateX(0); }
    .app-main { margin-left: 0; }
}

/* ═══════════════════════════════════════════════════════
   3. TYPOGRAPHY
═══════════════════════════════════════════════════════ */

.page-title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: 0.01em;
    margin-bottom: 0.25rem;
}

.page-sub {
    font-size: 0.82rem;
    color: var(--text-faint);
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: 0.01em;
    margin-bottom: 1.5rem;
}

.label-caps {
    font-size: 0.65rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-faint);
}

/* ═══════════════════════════════════════════════════════
   4. CARDS + PANELS
═══════════════════════════════════════════════════════ */

.card {
    background: var(--bg-2);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow);
}

.panel {
    background: var(--bg-2);
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    overflow: hidden;
}

.panel-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-soft);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.panel-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.panel-title svg {
    width: 15px; height: 15px;
    stroke: var(--accent-text); fill: none; stroke-width: 1.8;
}

.panel-body { padding: 1.25rem; }

.panel-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-soft);
    background: var(--bg-3);
}

/* Summary/stat card */
.summary-card {
    background: var(--bg-2);
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    padding: 1.4rem 1.5rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.25s, transform 0.2s;
}
.summary-card:hover { border-color: var(--border); transform: translateY(-2px); }
.summary-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--card-stripe, var(--accent));
    opacity: 0.7;
}
.summary-card::after {
    content: '';
    position: absolute;
    top: -30%; right: -10%;
    width: 110px; height: 110px;
    background: radial-gradient(circle, var(--card-stripe, var(--accent)) 0%, transparent 70%);
    opacity: 0.07;
    pointer-events: none;
}

/* ═══════════════════════════════════════════════════════
   5. FORM ELEMENTS
═══════════════════════════════════════════════════════ */

.field { display: flex; flex-direction: column; gap: 0.35rem; }

.field-label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.03em;
}
.field-label .req { color: var(--danger); margin-left: 2px; }
.field-label .opt { color: var(--text-faint); font-weight: 300; margin-left: 4px; font-size: 0.72rem; }

.field-input,
.field-select,
.field-textarea {
    background: var(--bg-3);
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    padding: 0.65rem 0.9rem;
    font-size: 0.875rem;
    color: var(--text);
    font-family: var(--font-body);
    width: 100%;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.field-textarea { resize: vertical; min-height: 88px; }
.field-input::placeholder,
.field-textarea::placeholder { color: var(--text-faint); }
.field-input:focus,
.field-select:focus,
.field-textarea:focus {
    border-color: var(--border);
    box-shadow: 0 0 0 3px var(--accent-dim);
}
.field-input.has-error,
.field-textarea.has-error {
    border-color: rgba(248,113,113,0.5);
    box-shadow: 0 0 0 3px rgba(248,113,113,0.08);
}

.field-error { font-size: 0.72rem; color: var(--danger); }
.field-hint  { font-size: 0.72rem; color: var(--text-faint); }

/* Search input */
.search-wrap { position: relative; }
.search-wrap svg {
    position: absolute; left: 0.75rem; top: 50%;
    transform: translateY(-50%);
    width: 15px; height: 15px;
    stroke: var(--text-faint); fill: none; stroke-width: 2;
    pointer-events: none;
}
.search-input {
    background: var(--bg-2);
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    padding: 0.6rem 0.9rem 0.6rem 2.2rem;
    font-size: 0.85rem;
    color: var(--text);
    font-family: var(--font-body);
    width: 220px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, width 0.2s;
}
.search-input::placeholder { color: var(--text-faint); }
.search-input:focus {
    border-color: var(--border);
    box-shadow: 0 0 0 3px var(--accent-dim);
    width: 260px;
}

/* Filter select */
.filter-select {
    background: var(--bg-2);
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    padding: 0.6rem 0.9rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: var(--font-body);
    outline: none;
    cursor: pointer;
    transition: border-color 0.2s;
}
.filter-select:focus { border-color: var(--border); }

/* Toggle switch */
.toggle-switch { position: relative; width: 40px; height: 22px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-track {
    position: absolute; inset: 0;
    background: var(--bg-3);
    border: 1px solid var(--border-soft);
    border-radius: 11px;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}
.toggle-track::after {
    content: '';
    position: absolute;
    left: 3px; top: 2px;
    width: 16px; height: 16px;
    background: var(--text-faint);
    border-radius: 50%;
    transition: transform 0.2s, background 0.2s;
}
.toggle-switch input:checked + .toggle-track {
    background: var(--accent-dim);
    border-color: var(--accent);
}
.toggle-switch input:checked + .toggle-track::after {
    transform: translateX(18px);
    background: var(--accent);
}

/* Toggle row (label + switch) */
.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-soft);
}
.toggle-row:last-child { border-bottom: none; padding-bottom: 0; }
.toggle-row:first-child { padding-top: 0; }
.toggle-info { flex: 1; }
.toggle-label { font-size: 0.85rem; color: var(--text); font-weight: 400; }
.toggle-sub   { font-size: 0.72rem; color: var(--text-faint); margin-top: 0.1rem; }

/* File input zone */
.file-input-wrap {
    background: var(--bg-3);
    border: 1px dashed var(--border-soft);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: border-color 0.2s;
}
.file-input-wrap:hover { border-color: var(--border); }
.file-input-wrap input[type="file"] {
    width: 100%; font-size: 0.82rem;
    color: var(--text-muted);
    background: none; border: none; outline: none; cursor: pointer;
}
.file-input-wrap input[type="file"]::file-selector-button {
    padding: 0.3rem 0.8rem; margin-right: 0.75rem;
    background: var(--accent-dim); color: var(--accent-text);
    border: 1px solid var(--border); border-radius: 5px;
    font-size: 0.75rem; font-weight: 500;
    cursor: pointer; transition: opacity 0.2s;
}
.file-input-wrap input[type="file"]::file-selector-button:hover { opacity: 0.8; }

/* ═══════════════════════════════════════════════════════
   6. BUTTONS
═══════════════════════════════════════════════════════ */

.btn-primary {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.65rem 1.4rem;
    background: var(--accent);
    color: var(--bg);
    border: none; border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.875rem; font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
    text-decoration: none;
}
.btn-primary:hover:not(:disabled) {
    opacity: 0.88;
    transform: translateY(-1px);
    box-shadow: 0 6px 24px var(--accentGlow, rgba(0,0,0,0.25));
}
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2; }

.btn-secondary {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-soft); border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.875rem;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
    text-decoration: none;
}
.btn-secondary:hover { color: var(--text); border-color: var(--border); background: var(--accent-dim); }

.btn-ghost {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    background: transparent;
    color: var(--text-faint);
    border: 1px solid var(--border-soft); border-radius: 7px;
    font-family: var(--font-body); font-size: 0.78rem;
    cursor: pointer; transition: color 0.15s, border-color 0.15s;
    text-decoration: none;
}
.btn-ghost:hover { color: var(--text); border-color: var(--border); }
.btn-ghost svg { width: 13px; height: 13px; stroke: currentColor; fill: none; stroke-width: 2; }

.btn-danger {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    background: rgba(248,113,113,0.08);
    color: var(--danger);
    border: 1px solid rgba(248,113,113,0.22); border-radius: 7px;
    font-family: var(--font-body); font-size: 0.78rem;
    cursor: pointer; transition: background 0.15s;
    text-decoration: none;
}
.btn-danger:hover { background: rgba(248,113,113,0.15); }

/* Loading spinner inside buttons */
.btn-spinner {
    width: 14px; height: 14px;
    border-radius: 50%;
    border: 2px solid rgba(0,0,0,0.2);
    border-top-color: currentColor;
    animation: spin 0.7s linear infinite;
    flex-shrink: 0;
}

/* Action links in tables */
.action-link {
    background: none; border: none;
    font-size: 0.78rem; font-weight: 400;
    cursor: pointer; font-family: var(--font-body);
    padding: 0; text-decoration: none;
    transition: color 0.15s, opacity 0.15s;
}
.action-view   { color: var(--text-faint); }
.action-view:hover { color: var(--text-muted); }
.action-edit   { color: var(--accent-text); }
.action-edit:hover { color: var(--accent); }
.action-delete { color: var(--danger); opacity: 0.7; }
.action-delete:hover { opacity: 1; }

.actions-cell {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* ═══════════════════════════════════════════════════════
   7. TABLES
═══════════════════════════════════════════════════════ */

.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }

.data-table thead th {
    padding: 0.65rem 1.25rem;
    text-align: left;
    font-size: 0.63rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-faint);
    border-bottom: 1px solid var(--border-soft);
    background: var(--bg-3);
    white-space: nowrap;
}

.data-table thead th.sortable { cursor: pointer; user-select: none; }
.data-table thead th.sortable:hover { color: var(--text-muted); }

.data-table tbody td {
    padding: 0.9rem 1.25rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-soft);
    vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--accent-dim); color: var(--text); }

/* Pagination */
.pagination-wrap {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-soft);
    background: var(--bg-3);
}
.pagination-wrap nav span[aria-current] span,
.pagination-wrap nav span[aria-current] {
    background: var(--accent) !important;
    color: var(--bg) !important;
    border-color: var(--accent) !important;
}
.pagination-wrap nav a {
    color: var(--text-muted) !important;
    background: var(--bg-2) !important;
    border-color: var(--border-soft) !important;
    transition: background 0.15s, color 0.15s;
}
.pagination-wrap nav a:hover {
    background: var(--accent-dim) !important;
    color: var(--text) !important;
    border-color: var(--border) !important;
}

/* ═══════════════════════════════════════════════════════
   8. BADGES + STATUS INDICATORS
═══════════════════════════════════════════════════════ */

.badge {
    display: inline-flex; align-items: center; gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    white-space: nowrap;
}
.badge::before {
    content: '';
    width: 5px; height: 5px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.7;
    flex-shrink: 0;
}

.badge-success  { background: rgba(74,222,128,0.1);  color: var(--success); border: 1px solid rgba(74,222,128,0.22); }
.badge-warning  { background: rgba(251,191,36,0.1);  color: var(--warning); border: 1px solid rgba(251,191,36,0.22); }
.badge-danger   { background: rgba(248,113,113,0.1); color: var(--danger);  border: 1px solid rgba(248,113,113,0.22); }
.badge-accent   { background: var(--accent-dim);     color: var(--accent-text); border: 1px solid var(--border); }
.badge-neutral  { background: var(--bg-3);           color: var(--text-faint);  border: 1px solid var(--border-soft); }

/* No dot variant */
.badge-plain::before { display: none; }

/* ═══════════════════════════════════════════════════════
   9. ALERTS + FLASH MESSAGES
═══════════════════════════════════════════════════════ */

.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.9rem 1.1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}
.alert svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2; flex-shrink: 0; margin-top: 1px; }

.alert-success { background: rgba(74,222,128,0.08);  border: 1px solid rgba(74,222,128,0.25);  color: var(--success); }
.alert-error   { background: rgba(248,113,113,0.08); border: 1px solid rgba(248,113,113,0.25); color: var(--danger); }
.alert-warning { background: rgba(251,191,36,0.08);  border: 1px solid rgba(251,191,36,0.25);  color: var(--warning); }
.alert-info    { background: var(--accent-dim);      border: 1px solid var(--border);          color: var(--accent-text); }

/* Info box (yellow advisory) */
.info-box {
    display: flex; align-items: flex-start; gap: 0.6rem;
    padding: 0.75rem 1rem;
    background: rgba(251,191,36,0.07);
    border: 1px solid rgba(251,191,36,0.18);
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--warning);
    line-height: 1.5;
}
.info-box svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; flex-shrink: 0; margin-top: 1px; }

/* ═══════════════════════════════════════════════════════
   10. MODALS
═══════════════════════════════════════════════════════ */

.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex; align-items: center; justify-content: center;
    padding: 1rem;
}

.modal-card {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 14px;
    width: 100%; max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    scrollbar-width: none;
}
.modal-card::-webkit-scrollbar { display: none; }

.modal-header {
    padding: 1.1rem 1.5rem;
    border-bottom: 1px solid var(--border-soft);
    display: flex; align-items: center; justify-content: space-between;
    position: sticky; top: 0;
    background: var(--bg-2); z-index: 1;
}
.modal-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 500; color: var(--text); }

.modal-body { padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-soft);
    background: var(--bg-3);
    display: flex; align-items: center; justify-content: flex-end; gap: 0.75rem;
    position: sticky; bottom: 0;
}

.btn-x {
    background: none; border: none;
    color: var(--text-faint);
    cursor: pointer; font-size: 1.3rem; line-height: 1; padding: 0;
    transition: color 0.2s;
}
.btn-x:hover { color: var(--text); }

/* ═══════════════════════════════════════════════════════
   11. EMPTY STATES
═══════════════════════════════════════════════════════ */

.empty-state {
    text-align: center;
    padding: 4rem 1.5rem;
    background: var(--bg-2);
    border: 1px dashed var(--border-soft);
    border-radius: 12px;
}
.empty-state svg {
    width: 42px; height: 42px;
    stroke: var(--text-faint); fill: none; stroke-width: 1.4;
    margin: 0 auto 0.85rem; display: block; opacity: 0.5;
}
.empty-state p { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 1rem; }

.empty-link {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-size: 0.82rem;
    color: var(--accent-text);
    text-decoration: none; font-weight: 500;
    transition: color 0.2s;
}
.empty-link:hover { color: var(--accent); }
.empty-link svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ═══════════════════════════════════════════════════════
   12. GRIDS — page-level layout helpers
═══════════════════════════════════════════════════════ */

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }

@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px)  { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ═══════════════════════════════════════════════════════
   13. DIVIDERS
═══════════════════════════════════════════════════════ */

.divider {
    height: 1px;
    background: var(--border-soft);
    margin: 1rem 0;
}

.divider-label {
    display: flex; align-items: center; gap: 0.75rem;
    font-size: 0.65rem; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--text-faint);
    margin: 1rem 0;
}
.divider-label::before,
.divider-label::after {
    content: ''; flex: 1;
    height: 1px; background: var(--border-soft);
}

/* ═══════════════════════════════════════════════════════
   14. LOGIN / GUEST PAGE
═══════════════════════════════════════════════════════ */

.login-shell {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg);
    padding: 1.5rem;
    position: relative; overflow: hidden;
}
.login-shell::before {
    content: '';
    position: fixed; inset: 0;
    background-image:
        linear-gradient(var(--border-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none; z-index: 0;
}
.login-shell::after {
    content: '';
    position: fixed;
    top: -20%; left: 50%; transform: translateX(-50%);
    width: 700px; height: 600px;
    background: radial-gradient(ellipse, var(--accentGlow, rgba(139,92,246,.12)) 0%, transparent 65%);
    pointer-events: none; z-index: 0;
}

.login-card {
    position: relative; z-index: 1;
    width: 100%; max-width: 420px;
    background: var(--bg-2);
    border: 1px solid var(--border-soft);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(0,0,0,0.35);
}
.login-card::before {
    content: ''; display: block; height: 3px;
    background: linear-gradient(90deg,
        transparent 5%, var(--accent) 50%, transparent 95%);
}

.login-header {
    padding: 2rem 2rem 1.25rem;
    text-align: center;
}
.login-logo {
    font-family: var(--font-display);
    font-size: 1.6rem; font-weight: 500;
    color: var(--accent); letter-spacing: 0.03em;
    margin-bottom: 1.25rem; display: block; text-decoration: none;
}
.login-logo span { color: var(--text); font-weight: 300; }
.login-title {
    font-family: var(--font-display);
    font-size: 1.4rem; font-weight: 500;
    color: var(--text); margin-bottom: 0.3rem;
}
.login-sub { font-size: 0.8rem; color: var(--text-faint); }

.login-body {
    padding: 0.5rem 2rem 2rem;
    display: flex; flex-direction: column; gap: 1rem;
}

.login-actions {
    display: flex; align-items: center;
    justify-content: space-between; gap: 1rem;
    margin-top: 0.25rem;
}

.forgot-link {
    font-size: 0.78rem; color: var(--text-faint);
    text-decoration: none; transition: color 0.2s;
}
.forgot-link:hover { color: var(--accent-text); }

.login-footer {
    padding: 1rem 2rem;
    border-top: 1px solid var(--border-soft);
    text-align: center;
    background: var(--bg-3);
    font-size: 0.78rem;
    color: var(--text-faint);
}
.login-footer a { color: var(--accent-text); text-decoration: none; transition: color 0.2s; }
.login-footer a:hover { color: var(--accent); }

.remember-row { display: flex; align-items: center; gap: 0.55rem; }
.remember-row input[type="checkbox"] {
    width: 15px; height: 15px;
    accent-color: var(--accent); cursor: pointer; flex-shrink: 0;
}
.remember-label {
    font-size: 0.8rem; color: var(--text-faint);
    cursor: pointer; user-select: none;
}

/* ═══════════════════════════════════════════════════════
   15. GENEALOGY TREE
═══════════════════════════════════════════════════════ */

/* Connectors */
.connector {
    width: 160px; height: 24px;
    position: relative; flex-shrink: 0;
}
.connector .down {
    position: absolute; left: 50%; top: 0;
    height: 24px; width: 2px; margin-left: -1px;
    background: linear-gradient(to bottom, var(--accent), var(--accent));
    opacity: 0.6; border-radius: 0 0 2px 2px;
}
.connector .left,
.connector .right {
    position: absolute; top: 24px; width: 80px; height: 2px; opacity: 0.5;
}
.connector .left {
    left: 0;
    background: linear-gradient(to right, transparent, var(--accent));
}
.connector .right {
    right: 0;
    background: linear-gradient(to left, transparent, var(--accent));
}
.connector.single .down { left: 50%; }

/* Children layout */
.binary-node { display: flex; flex-direction: column; align-items: center; }
.node-box { position: relative; z-index: 1; }
.children { display: flex; gap: 2.5rem; align-items: flex-start; }
.child  { display: flex; flex-direction: column; align-items: center; }

/* ═══════════════════════════════════════════════════════
   16. WALLET CARDS
═══════════════════════════════════════════════════════ */

.wallet-card {
    background: var(--bg-2);
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    padding: 1.4rem 1.5rem;
    position: relative; overflow: hidden;
    transition: border-color 0.25s, transform 0.2s;
}
.wallet-card:hover { border-color: var(--border); transform: translateY(-2px); }
.wallet-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--w-stripe, var(--accent));
}
.w-label {
    font-size: 0.65rem; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--text-faint); margin-bottom: 0.4rem;
}
.w-amount {
    font-family: var(--font-display);
    font-size: 1.6rem; font-weight: 500; line-height: 1;
}

/* ═══════════════════════════════════════════════════════
   17. UTILITY
═══════════════════════════════════════════════════════ */

.text-accent   { color: var(--accent-text); }
.text-muted    { color: var(--text-muted); }
.text-faint    { color: var(--text-faint); }
.text-success  { color: var(--success); }
.text-warning  { color: var(--warning); }
.text-danger   { color: var(--danger); }

.bg-card { background: var(--bg-2); }
.bg-surface { background: var(--bg-3); }

.border-soft { border: 1px solid var(--border-soft); }
.border-main { border: 1px solid var(--border); }
.rounded     { border-radius: 8px; }
.rounded-lg  { border-radius: 12px; }
.rounded-xl  { border-radius: 16px; }

.mono { font-family: var(--font-mono, monospace); }

/* ═══════════════════════════════════════════════════════
   18. ANIMATIONS
═══════════════════════════════════════════════════════ */

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

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

@keyframes pulse-bar {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.5; }
}

.animate-fadein { animation: fadeIn 0.25s ease forwards; }