/* ── GSC Reporting — Design System v2 ────────────────────────────
   Supports [data-theme="dark"] (default) and [data-theme="light"]
   ────────────────────────────────────────────────────────────── */

/* ── TOKENS ───────────────────────────────────────────────────── */
:root,
[data-theme="dark"] {
  --bg-base:      #0a0c10;
  --bg-elevated:  #111318;
  --bg-card:      #16191f;
  --bg-input:     #0d0f14;
  --border:       rgba(255,255,255,.08);
  --border-hover: rgba(255,255,255,.14);

  --text-primary: #f0f3f8;
  --text-secondary:#9ba3af;
  --text-muted:   #5c6370;

  --accent:       #4f87ff;
  --accent-hover: #3d74f0;
  --accent-glow:  rgba(79,135,255,.18);

  --green:        #34d399;
  --green-bg:     rgba(52,211,153,.12);
  --red:          #f87171;
  --red-bg:       rgba(248,113,113,.12);
  --yellow:       #fbbf24;
  --yellow-bg:    rgba(251,191,36,.12);
  --purple:       #a78bfa;
  --purple-bg:    rgba(167,139,250,.12);

  --sidebar-w:    256px;
  --topbar-h:     60px;
  --radius:       10px;
  --radius-sm:    6px;
  --radius-lg:    14px;
  --shadow:       0 4px 24px rgba(0,0,0,.45);
  --shadow-sm:    0 2px 10px rgba(0,0,0,.3);
  --transition:   .18s ease;
}

[data-theme="light"] {
  --bg-base:      #f4f6fb;
  --bg-elevated:  #ffffff;
  --bg-card:      #ffffff;
  --bg-input:     #f9fafb;
  --border:       rgba(0,0,0,.09);
  --border-hover: rgba(0,0,0,.16);

  --text-primary: #111827;
  --text-secondary:#4b5563;
  --text-muted:   #9ca3af;

  --accent:       #2563eb;
  --accent-hover: #1d4ed8;
  --accent-glow:  rgba(37,99,235,.12);

  --green:        #059669;
  --green-bg:     rgba(5,150,105,.1);
  --red:          #dc2626;
  --red-bg:       rgba(220,38,38,.1);
  --yellow:       #d97706;
  --yellow-bg:    rgba(217,119,6,.1);
  --purple:       #7c3aed;
  --purple-bg:    rgba(124,58,237,.1);

  --shadow:       0 4px 24px rgba(0,0,0,.08);
  --shadow-sm:    0 2px 10px rgba(0,0,0,.05);
}

/* ── RESET ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; -webkit-font-smoothing: antialiased; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
input, select, button, textarea { font-family: inherit; }

/* ── SCROLLBAR ────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 99px; }

/* ── LAYOUT ───────────────────────────────────────────────────── */
.layout-wrap { display: flex; min-height: 100vh; }
.main-wrap {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition);
  background: var(--bg-base);
}

/* ── SIDEBAR ──────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: width var(--transition), transform var(--transition);
  overflow: hidden;
}
.sidebar.collapsed { width: 64px; }
.sidebar.collapsed .nav-label,
.sidebar.collapsed .sidebar-title,
.sidebar.collapsed .domain-selector,
.sidebar.collapsed .user-name,
.sidebar.collapsed .user-role,
.sidebar.collapsed .sidebar-section-label { opacity: 0; pointer-events: none; }
.sidebar.collapsed .main-wrap { margin-left: 64px; }

.sidebar-logo {
  display: flex; align-items: center; gap: .65rem;
  padding: 1.1rem 1.2rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  flex-shrink: 0;
}
.sidebar-logo-icon {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px var(--accent-glow);
}
.sidebar-title {
  font-weight: 700; font-size: .92rem;
  color: var(--text-primary);
  letter-spacing: -.01em;
}
.sidebar-subtitle { font-size: .7rem; color: var(--text-muted); margin-top: .05rem; }

.domain-selector { padding: .85rem 1rem; border-bottom: 1px solid var(--border); }
.domain-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: .45rem .7rem;
  font-size: .8rem;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
}
.domain-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }

.sidebar-nav { flex: 1; padding: .65rem .75rem; overflow-y: auto; overflow-x: hidden; }
.sidebar-section-label {
  font-size: .65rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-muted);
  padding: .9rem .45rem .4rem;
  white-space: nowrap;
  transition: opacity var(--transition);
}
.nav-item {
  display: flex; align-items: center; gap: .7rem;
  padding: .55rem .75rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  font-size: .83rem;
  font-weight: 500;
  margin-bottom: .1rem;
  cursor: pointer;
}
.nav-item:hover { background: var(--border); color: var(--text-primary); }
.nav-item.active {
  color: var(--accent);
  background: var(--accent-glow);
}
.nav-item .nav-icon { flex-shrink: 0; }
.nav-label { transition: opacity var(--transition); }

.sidebar-footer {
  padding: .85rem 1rem;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: .65rem;
  flex-shrink: 0;
}
.user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .72rem; font-weight: 700;
  flex-shrink: 0;
}
.user-name { font-size: .82rem; font-weight: 600; color: var(--text-primary); }
.user-role {
  font-size: .68rem; color: var(--text-muted);
  text-transform: capitalize; letter-spacing: .02em;
}
.logout-btn {
  margin-left: auto;
  color: var(--text-muted);
  display: flex; align-items: center;
  padding: .35rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.logout-btn:hover { color: var(--red); background: var(--red-bg); }

/* ── TOPBAR ───────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 1.5rem;
  position: sticky; top: 0; z-index: 100;
  gap: 1rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.sidebar-toggle {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; padding: .4rem; border-radius: var(--radius-sm);
  display: flex; align-items: center;
  transition: color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.sidebar-toggle:hover { color: var(--text-primary); background: var(--border); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: .75rem; }
.domain-badge {
  font-size: .72rem; color: var(--text-secondary);
  background: var(--bg-input);
  border: 1px solid var(--border);
  padding: .25rem .7rem; border-radius: 99px;
  font-weight: 500;
}
.theme-toggle {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: .38rem .45rem;
  cursor: pointer;
  display: flex; align-items: center;
  transition: border-color var(--transition), color var(--transition);
  font-size: .85rem;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.topbar-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 700;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}
.topbar-avatar:hover { transform: scale(1.05); box-shadow: 0 0 0 3px var(--accent-glow); color: #fff; }

/* ── MAIN CONTENT ─────────────────────────────────────────────── */
.main-content { padding: 1.75rem 1.75rem; flex: 1; }

/* ── PAGE HEADER ──────────────────────────────────────────────── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .75rem;
  margin-bottom: 1.75rem;
}
.page-title { font-size: 1.2rem; font-weight: 700; color: var(--text-primary); letter-spacing: -.02em; }
.page-subtitle { font-size: .82rem; color: var(--text-muted); margin-top: .15rem; }

/* ── CARDS ────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition);
}
.card:hover { border-color: var(--border-hover); }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.card-title { font-weight: 600; font-size: .88rem; color: var(--text-primary); }
.card-body { padding: 1.25rem; }
.card.p-6 { padding: 1.5rem; overflow: visible; }
.card.p-8 { padding: 2rem; overflow: visible; }
.card.p-10 { padding: 2.5rem; overflow: visible; }
.mb-6 { margin-bottom: 1.5rem; }

/* ── KPI GRID ─────────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}
@media (max-width: 1100px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .kpi-grid { grid-template-columns: 1fr; } }

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  display: flex; align-items: center; gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.kpi-card:hover { border-color: var(--border-hover); transform: translateY(-1px); box-shadow: var(--shadow); }
.kpi-icon {
  width: 46px; height: 46px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.kpi-label { font-size: .72rem; color: var(--text-muted); margin-bottom: .2rem; font-weight: 500; text-transform: uppercase; letter-spacing: .06em; }
.kpi-value { font-size: 1.45rem; font-weight: 800; line-height: 1; letter-spacing: -.02em; }
.kpi-delta { font-size: .72rem; margin-top: .3rem; font-weight: 500; }

/* ── TABLES ───────────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: .83rem; }
.data-table th {
  background: var(--bg-input);
  color: var(--text-muted);
  font-weight: 600;
  text-align: left;
  padding: .65rem 1rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.data-table td {
  padding: .6rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}
.data-table tbody tr { transition: background var(--transition); }
.data-table tbody tr:hover td { background: var(--border); }
.data-table tr:last-child td { border-bottom: none; }
.empty-cell { text-align: center; color: var(--text-muted); padding: 3rem; }

/* DataTables overrides */
.dataTables_wrapper { color: var(--text-primary); }
.dataTables_filter input, .dataTables_length select {
  background: var(--bg-input) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
  border-radius: var(--radius-sm) !important;
  padding: .35rem .65rem !important;
  outline: none;
}
.dataTables_filter input:focus, .dataTables_length select:focus { border-color: var(--accent) !important; }
.dataTables_filter label, .dataTables_length label, .dataTables_info { color: var(--text-muted); font-size: .8rem; }
.dataTables_paginate .paginate_button {
  background: var(--bg-input) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-secondary) !important;
  border-radius: var(--radius-sm) !important;
  margin: 0 2px !important;
  padding: .3rem .65rem !important;
  font-size: .8rem;
}
.dataTables_paginate .paginate_button.current,
.dataTables_paginate .paginate_button:hover {
  background: var(--accent) !important;
  color: #fff !important;
  border-color: var(--accent) !important;
}
table.dataTable thead th { border-bottom: 1px solid var(--border) !important; }

/* ── BADGES ───────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: .18rem .55rem;
  border-radius: 99px; font-size: .68rem; font-weight: 600;
  white-space: nowrap; letter-spacing: .02em;
}
.badge-green  { background: var(--green-bg);  color: var(--green);  }
.badge-blue   { background: var(--accent-glow); color: var(--accent); }
.badge-yellow { background: var(--yellow-bg); color: var(--yellow); }
.badge-red    { background: var(--red-bg);    color: var(--red);    }
.badge-purple { background: var(--purple-bg); color: var(--purple); }
.badge-gray   { background: var(--border);    color: var(--text-muted); }

.pos-badge { display: inline-block; padding: .12rem .45rem; border-radius: var(--radius-sm); font-size: .78rem; font-weight: 600; }
.pos-top  { background: var(--green-bg);  color: var(--green);  }
.pos-mid  { background: var(--yellow-bg); color: var(--yellow); }
.pos-low  { background: var(--red-bg);    color: var(--red);    }

/* ── BUTTONS ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: .82rem; font-weight: 600;
  cursor: pointer; text-decoration: none;
  border: none; outline: none;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; box-shadow: 0 0 0 3px var(--accent-glow); }

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-danger {
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid transparent;
}
.btn-danger:hover { background: var(--red); color: #fff; }

.btn-sm { padding: .35rem .75rem; font-size: .77rem; }
.btn-xs { padding: .2rem .55rem; font-size: .7rem; }

/* Concrete button classes */
.btn-primary-sm {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .38rem .9rem; border-radius: var(--radius-sm);
  font-size: .8rem; font-weight: 600;
  cursor: pointer; text-decoration: none; border: none; outline: none;
  transition: background var(--transition), box-shadow var(--transition), transform .1s;
  background: var(--accent); color: #fff; white-space: nowrap;
}
.btn-primary-sm:hover { background: var(--accent-hover); color: #fff; box-shadow: 0 0 0 3px var(--accent-glow); }
.btn-primary-sm:active { transform: scale(.97); }

.btn-sm {
  display: inline-flex; align-items: center; gap: .35rem;
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .33rem .7rem; font-size: .77rem; font-weight: 500;
  cursor: pointer; text-decoration: none;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn-sm:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm.btn-danger { color: var(--red); border-color: transparent; }
.btn-sm.btn-danger:hover { background: var(--red-bg); border-color: transparent; }

/* ── FORMS ────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.1rem; }
.form-label {
  display: block; font-size: .75rem; color: var(--text-secondary);
  margin-bottom: .35rem; font-weight: 600;
  letter-spacing: .01em;
}
.form-input, .form-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: .5rem .8rem;
  font-size: .85rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-input:focus, .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ba3af' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  padding-right: 2.2rem;
}
.date-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: .4rem .7rem;
  font-size: .82rem; width: 130px;
  cursor: pointer; outline: none;
  transition: border-color var(--transition);
}
.date-input:focus { border-color: var(--accent); }
.search-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: .4rem .7rem;
  font-size: .82rem; width: 220px;
  outline: none;
  transition: border-color var(--transition);
}
.search-input:focus { border-color: var(--accent); }
.date-filter-form { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }

/* flatpickr dark/light */
.flatpickr-calendar {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow) !important;
  border-radius: var(--radius) !important;
}
.flatpickr-day { color: var(--text-primary) !important; border-radius: var(--radius-sm) !important; }
.flatpickr-day.selected { background: var(--accent) !important; border-color: var(--accent) !important; }
.flatpickr-day:hover { background: var(--accent-glow) !important; }
.flatpickr-months .flatpickr-month,
.flatpickr-current-month,
.flatpickr-weekday { color: var(--text-secondary) !important; fill: var(--text-secondary) !important; }
.flatpickr-prev-month svg, .flatpickr-next-month svg { fill: var(--text-muted) !important; }

/* ── FLASH MESSAGES ───────────────────────────────────────────── */
.flash {
  display: flex; align-items: center; gap: .6rem;
  padding: .75rem 1rem; border-radius: var(--radius-sm);
  margin-bottom: 1.25rem; font-size: .83rem; font-weight: 500;
}
.flash-success { background: var(--green-bg); color: var(--green); border: 1px solid rgba(52,211,153,.25); }
.flash-error   { background: var(--red-bg);   color: var(--red);   border: 1px solid rgba(248,113,113,.25); }
.flash-info    { background: var(--accent-glow); color: var(--accent); border: 1px solid rgba(79,135,255,.25); }

/* ── AVATAR ───────────────────────────────────────────────────── */
.avatar-sm {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .68rem; font-weight: 700;
  flex-shrink: 0;
}

/* ── DIVIDER ──────────────────────────────────────────────────── */
.divider {
  border: none; border-top: 1px solid var(--border);
  margin: 1.25rem 0;
}

/* ── STAT CHANGE ──────────────────────────────────────────────── */
.delta-up   { color: var(--green); }
.delta-down { color: var(--red); }

/* ── ALERT PANEL (push) ───────────────────────────────────────── */
.push-banner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  padding: .9rem 1.25rem;
  background: linear-gradient(135deg, var(--accent-glow), var(--purple-bg));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  font-size: .83rem;
}
.push-banner-text { color: var(--text-primary); font-weight: 500; }
.push-banner-text span { color: var(--text-muted); font-weight: 400; }

/* ── ADMIN TABLE extras ───────────────────────────────────────── */
.table-actions { display: flex; gap: .4rem; flex-wrap: nowrap; align-items: center; }
.role-select-inline {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: .25rem .5rem;
  font-size: .75rem;
  outline: none;
  cursor: pointer;
}
.role-select-inline:focus { border-color: var(--accent); }

/* ── GRIDSTACK WIDGET ─────────────────────────────────────────── */
.grid-stack { background: transparent; }
.grid-stack-item-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
.widget-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: move;
  flex-shrink: 0;
}
.widget-title { font-size: .83rem; font-weight: 600; color: var(--text-primary); }
.widget-body { flex: 1; overflow: hidden; position: relative; }
.widget-remove {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); padding: .2rem;
  border-radius: var(--radius-sm);
  display: flex; align-items: center;
  transition: color var(--transition), background var(--transition);
}
.widget-remove:hover { color: var(--red); background: var(--red-bg); }
.gs-placeholder { background: var(--accent-glow) !important; border: 2px dashed var(--accent) !important; border-radius: var(--radius) !important; }

/* ── WIDGET PALETTE ───────────────────────────────────────────── */
.widget-palette {
  display: flex; gap: .6rem; flex-wrap: wrap;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-input);
}
.palette-item {
  display: flex; align-items: center; gap: .45rem;
  padding: .4rem .8rem;
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius-sm);
  cursor: grab; font-size: .78rem; font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  user-select: none;
}
.palette-item:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.palette-item:active { cursor: grabbing; }

/* ── EMPTY STATE ──────────────────────────────────────────────── */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 4rem 2rem; text-align: center; gap: 1rem;
}
.empty-state-icon { font-size: 2.5rem; opacity: .6; }
.empty-state-title { font-size: 1rem; font-weight: 600; color: var(--text-primary); }
.empty-state-desc { font-size: .83rem; color: var(--text-muted); max-width: 320px; line-height: 1.5; }

/* ── MOBILE ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.mobile-open { transform: translateX(0); }
  .main-wrap { margin-left: 0 !important; }
  .main-content { padding: 1rem; }
  .topbar { padding: 0 1rem; }
}