/* ============================================================
   style.css — Sistem Monitoring Antrean RSU Islam Klaten
   Font: Plus Jakarta Sans (heading) + DM Sans (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

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

:root {
  --radius:   12px;
  --radius-sm: 8px;
  --shadow:   0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg:0 8px 40px rgba(0,0,0,0.13);
  --transition: 0.2s ease;
  --font-head: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: #1e293b;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ============================================================
   DASHBOARD — app.js styles
   ============================================================ */

.app-root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ─────────────────────────────────────────────── */
.app-header {
  background: var(--primary, #0f3460);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.header-logo {
  font-size: 2.2rem;
  line-height: 1;
}

.header-title {
  font-family: var(--font-head);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #fff;
}

.header-sub {
  font-size: 0.78rem;
  opacity: 0.75;
  font-weight: 400;
  margin-top: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-wrap: wrap;
}

.last-update {
  font-size: 0.72rem;
  opacity: 0.7;
  white-space: nowrap;
}

.btn-refresh {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.45rem 1rem;
  background: rgba(255,255,255,0.18);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.btn-refresh:hover:not(:disabled) {
  background: rgba(255,255,255,0.28);
  transform: translateY(-1px);
}
.btn-refresh:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-admin {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0.45rem 1rem;
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  transition: var(--transition);
}
.btn-admin:hover {
  background: rgba(255,255,255,0.22);
  color: #fff;
}

/* Offline banner */
.offline-bar {
  background: #f59e0b;
  color: #78350f;
  text-align: center;
  padding: 0.4rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* ── Grid Konten ─────────────────────────────────────────── */
.main-grid {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 1.75rem 1.25rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  /* Prevent grid from stretching cards to fill remaining viewport height */
  align-items: start;
  align-content: start;
}

@media (min-width: 900px) {
  /* Tetap 1 kolom agar tiap seksi bisa full-width dengan grafik */
  .main-grid { grid-template-columns: 1fr; max-width: 1100px; }
}

/* ── Seksi Antrean ───────────────────────────────────────── */
.queue-section {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.queue-section:hover { box-shadow: var(--shadow-lg); }

.qs-header {
  background: var(--card-color, #1a56db);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.qs-header-left {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.qs-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.qs-title {
  font-family: var(--font-head);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.qs-header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.cache-badge {
  background: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}

.ts-badge {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.75);
  white-space: nowrap;
}

.toggle-btn {
  background: rgba(255,255,255,0.2);
  border: none;
  color: #fff;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  line-height: 1;
  transition: var(--transition);
  flex-shrink: 0;
}
.toggle-btn:hover { background: rgba(255,255,255,0.35); }

.chevron { display: inline-block; transition: transform 0.25s; }
.chevron.up   { transform: rotate(-90deg); }
.chevron.down { transform: rotate(90deg); }

/* ── Body kartu ─────────────────────────────────────────── */
.qs-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── Statistik 3 kotak ──────────────────────────────────── */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.stat-card {
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: transform var(--transition);
}
.stat-card:hover { transform: translateY(-2px); }

.stat-icon { font-size: 1.35rem; flex-shrink: 0; }

.stat-value {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}

.stat-label {
  font-size: 0.72rem;
  color: #64748b;
  font-weight: 500;
  margin-top: 3px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Progress bar ────────────────────────────────────────── */
.progress-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.progress-bar {
  flex: 1;
  height: 8px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: #475569;
  white-space: nowrap;
  min-width: 70px;
  text-align: right;
}

/* ── Grafik ─────────────────────────────────────────────── */
.chart-section {
  border-top: 1px solid #f1f5f9;
  padding-top: 1rem;
}

.chart-heading {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  color: #94a3b8;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Year Toggle + Responsive Chart ─────────────────────── */
.chart-with-toggle {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.year-toggle-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  align-items: center;
}

.year-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0.3rem 0.75rem;
  border: 1.5px solid #d1d5db;
  border-radius: 999px;
  background: #f8fafc;
  color: #475569;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-head);
  cursor: pointer;
  transition: all 0.18s ease;
  letter-spacing: 0.02em;
}
.year-btn:hover:not(.active) {
  border-color: #94a3b8;
  background: #f1f5f9;
  color: #1e293b;
}
.year-btn.active {
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

.year-badge {
  background: rgba(255,255,255,0.28);
  color: inherit;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 999px;
  min-width: 20px;
  text-align: center;
  line-height: 1.4;
}
.year-btn:not(.active) .year-badge {
  background: #e2e8f0;
  color: #64748b;
}

.chart-canvas-wrap {
  position: relative;
  width: 100%;
  height: 230px;
}
.chart-canvas-wrap canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ── Old chart-scroll (kept for safety, unused) ─────────── */
.chart-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}
.chart-scroll::-webkit-scrollbar { height: 5px; }
.chart-scroll::-webkit-scrollbar-track { background: transparent; }
.chart-scroll::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 999px; }

.no-data {
  text-align: center;
  color: #94a3b8;
  font-size: 0.85rem;
  padding: 1.5rem 0;
}

/* ── Loading skeleton ────────────────────────────────────── */
.skeleton-wrap { display: flex; flex-direction: column; gap: 0.75rem; }

.skel {
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
.skel-stats { height: 80px; }
.skel-chart { height: 180px; }

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

/* ── Error box ───────────────────────────────────────────── */
.error-box {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: #fff5f5;
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  padding: 1rem;
  color: #7f1d1d;
  font-size: 0.85rem;
}
.error-box span { font-size: 1.2rem; flex-shrink: 0; margin-top: 1px; }
.error-box strong { display: block; margin-bottom: 0.25rem; }

/* ── Footer ──────────────────────────────────────────────── */
.app-footer {
  background: #1e293b;
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 1.25rem;
  font-size: 0.8rem;
  line-height: 1.8;
}

.app-footer a {
  color: rgba(255,255,255,0.75);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition);
}
.app-footer a:hover { color: #fff; }

/* ── Spin animation ──────────────────────────────────────── */
.spin { display: inline-block; animation: spin 0.75s linear infinite; }

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

/* ============================================================
   ADMIN — admin.js styles
   ============================================================ */

/* ── Halaman Login ───────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f3460 0%, #533483 60%, #0d7c66 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.login-card {
  background: #fff;
  border-radius: 20px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  text-align: center;
}

.login-logo {
  font-size: 3rem;
  margin-bottom: 0.75rem;
}

.login-title {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.03em;
}

.login-sub {
  color: #64748b;
  font-size: 0.85rem;
  margin-top: 0.25rem;
  line-height: 1.5;
}

.login-form {
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: left;
}

.input-eye-wrap { position: relative; display: flex; }
.input-eye-wrap .field-input { flex: 1; padding-right: 2.5rem; }
.eye-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition);
  padding: 0;
}
.eye-btn:hover { opacity: 1; }

.btn-login {
  width: 100%;
  padding: 0.75rem;
  background: #0f3460;
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: var(--transition);
  margin-top: 0.25rem;
}
.btn-login:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(15,52,96,0.35);
}

.login-hint {
  margin-top: 1.25rem;
  font-size: 0.78rem;
  color: #94a3b8;
}
.login-hint code {
  background: #f1f5f9;
  padding: 1px 6px;
  border-radius: 4px;
  font-family: monospace;
  color: #475569;
}

.back-link {
  display: block;
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: #94a3b8;
  transition: color var(--transition);
}
.back-link:hover { color: #1d4ed8; }

/* ── Layout Admin ────────────────────────────────────────── */
.admin-layout {
  display: flex;
  min-height: 100vh;
  background: #f8fafc;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.admin-sidebar {
  width: 230px;
  flex-shrink: 0;
  background: #0f172a;
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1.25rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-icon { font-size: 1.8rem; }

.brand-title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: #f1f5f9;
}

.brand-sub {
  font-size: 0.68rem;
  color: #64748b;
  margin-top: 1px;
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0.875rem;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: #94a3b8;
  font-size: 0.875rem;
  font-weight: 500;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}
.nav-btn:hover { background: rgba(255,255,255,0.06); color: #e2e8f0; }
.nav-btn.active { background: #1d4ed8; color: #fff; }

.nav-icon { font-size: 1.05rem; }

.sidebar-foot {
  padding: 1rem 0.75rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.foot-link {
  font-size: 0.8rem;
  color: #64748b;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.foot-link:hover { color: #94a3b8; background: rgba(255,255,255,0.05); }

.btn-logout {
  padding: 0.5rem 0.875rem;
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: var(--radius-sm);
  color: #f87171;
  font-size: 0.8rem;
  font-weight: 500;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}
.btn-logout:hover { background: rgba(239,68,68,0.25); }

/* ── Konten Admin ────────────────────────────────────────── */
.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.admin-topbar {
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  padding: 1rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 1px 6px rgba(0,0,0,0.05);
}

.topbar-title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.02em;
}

.btn-save {
  padding: 0.5rem 1.25rem;
  background: #0f3460;
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-save:hover { background: #1d4ed8; }
.btn-save.saved { background: #059669; }

.admin-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.75rem;
}

/* ── Komponen Form ───────────────────────────────────────── */
.tab-body {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 720px;
}

.form-section {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid #e2e8f0;
  padding: 1.5rem;
}

.section-title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid #f1f5f9;
}

.sheet-title {
  border-bottom-color: var(--sc, #e2e8f0);
  border-bottom-width: 2px;
}

.section-desc {
  font-size: 0.83rem;
  color: #64748b;
  margin-top: -0.75rem;
  margin-bottom: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}
.field:last-child { margin-bottom: 0; }

.field-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: #374151;
}

.optional {
  font-weight: 400;
  color: #9ca3af;
}

.field-hint {
  font-size: 0.74rem;
  color: #9ca3af;
  line-height: 1.4;
}

.field-input {
  padding: 0.6rem 0.875rem;
  border: 1.5px solid #d1d5db;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: #111827;
  background: #fafafa;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.field-input:focus {
  outline: none;
  border-color: #1d4ed8;
  box-shadow: 0 0 0 3px rgba(29,78,216,0.12);
  background: #fff;
}

.field-input-sm { width: 140px; }
.field-input-xs { width: 90px; }

.field-textarea {
  resize: vertical;
  font-size: 0.8rem;
  line-height: 1.5;
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-start;
}

/* ── Warna ───────────────────────────────────────────────── */
.color-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Wrapper untuk picker + swatch + hex input */
.color-input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Native <input type="color"> — small square trigger */
.color-pick {
  width: 36px;
  height: 36px;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  padding: 2px;
  cursor: pointer;
  background: none;
  flex-shrink: 0;
}

/* Live colour swatch preview */
.color-swatch {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1.5px solid rgba(0,0,0,0.1);
  flex-shrink: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.2);
}

/* Hex text input — fixed width monospace */
.color-hex-input {
  width: 108px !important;
  font-family: "DM Mono", "Fira Mono", "Consolas", monospace !important;
  font-size: 0.85rem !important;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  padding: 0.45rem 0.75rem !important;
}

/* Legacy — kept for any other .color-row usages */
.color-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.color-chip {
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-family: monospace;
  color: #fff;
  letter-spacing: 0.05em;
  min-width: 80px;
  text-align: center;
  text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

/* ── Pratinjau Tampilan ──────────────────────────────────── */
.preview-box {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid #e2e8f0;
}

.prev-header {
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
}

.prev-cards {
  padding: 0.875rem;
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
}

.prev-card {
  flex: 1;
  min-width: 100px;
  background: #fff;
  border-radius: 6px;
  border-top: 3px solid #ccc;
  padding: 0.625rem 0.75rem;
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

/* ── Alerts ─────────────────────────────────────────────── */
.alert {
  padding: 0.6rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.83rem;
  font-weight: 500;
}

.alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.alert-ok {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.info-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  font-size: 0.82rem;
  color: #475569;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.info-important {
  background: #fffbeb;
  border-color: #fcd34d;
  color: #78350f;
}

.btn-download-cfg {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.6rem 1.25rem;
  background: #0f3460;
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  justify-content: center;
}
.btn-download-cfg:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15,52,96,0.3);
}

/* ── Tombol utilitas ─────────────────────────────────────── */
.btn-group-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-bottom: 1rem;
}

.btn-util {
  padding: 0.5rem 1.1rem;
  border: 1.5px solid currentColor;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-util.danger  { color: #ef4444; background: #fef2f2; }
.btn-util.warning { color: #f59e0b; background: #fffbeb; }
.btn-util.danger:hover  { background: #fee2e2; }
.btn-util.warning:hover { background: #fef3c7; }

/* ============================================================
   RESPONSIF
   ============================================================ */

@media (max-width: 700px) {
  .stat-row { grid-template-columns: 1fr 1fr; }
  .stat-row > :last-child { grid-column: 1 / -1; }

  .header-inner { flex-direction: column; align-items: flex-start; }
  .header-actions { width: 100%; justify-content: flex-start; }

  .admin-layout { flex-direction: column; }
  .admin-sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; padding: 0.5rem; }
  .nav-btn { flex: 1; min-width: 80px; justify-content: center; }

  .color-grid { grid-template-columns: 1fr; }
  .field-row { flex-direction: column; }

  .admin-content { padding: 1rem; }
  .qs-body { padding: 1rem; }
}

@media (max-width: 400px) {
  .stat-row { grid-template-columns: 1fr; }
  .stat-row > :last-child { grid-column: auto; }
  .login-card { padding: 1.75rem 1.25rem; }
}