/* ========================================
   SaaS WhatsApp Manager - Main Stylesheet
   Dark Professional Theme
   ======================================== */

:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-card: #1e2130;
  --bg-hover: #252838;
  --bg-input: #252838;
  --border: #2e3248;
  --border-light: #3a3f5c;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #25d366;
  --accent-hover: #1ebe58;
  --accent-dark: #128c4b;
  --blue: #3b82f6;
  --blue-hover: #2563eb;
  --red: #ef4444;
  --red-hover: #dc2626;
  --orange: #f59e0b;
  --yellow: #eab308;
  --purple: #8b5cf6;
  --gray: #6b7280;
  --sidebar-width: 260px;
  --header-height: 60px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5);
  --transition: all 0.2s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; }
button, input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ========================================
   LAYOUT
   ======================================== */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-logo {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo .logo-icon {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.sidebar-logo .logo-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.sidebar-logo .logo-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}

.nav-section-title {
  padding: 8px 24px 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid transparent;
  font-size: 13px;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(37, 211, 102, 0.1);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 500;
}

.nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 34px; height: 34px;
  background: var(--accent-dark);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}

.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 13px; font-weight: 500; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--text-muted); }

/* ---- Main Content ---- */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-content {
  padding: 28px;
  flex: 1;
}

/* ========================================
   CARDS
   ======================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card-sm { padding: 16px; }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---- Stats Cards ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.stat-card:hover { border-color: var(--border-light); transform: translateY(-1px); }

.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-icon.green { background: rgba(37, 211, 102, 0.15); }
.stat-icon.blue { background: rgba(59, 130, 246, 0.15); }
.stat-icon.red { background: rgba(239, 68, 68, 0.15); }
.stat-icon.orange { background: rgba(245, 158, 11, 0.15); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.15); }

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ========================================
   TABLES
   ======================================== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead tr {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

thead th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-hover); }

tbody td {
  padding: 14px 16px;
  color: var(--text-primary);
  vertical-align: middle;
}

.td-muted { color: var(--text-muted) !important; font-size: 12px; }

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { background: var(--border); }

.btn-danger {
  background: var(--red);
  color: white;
}
.btn-danger:hover:not(:disabled) { background: var(--red-hover); }

.btn-warning {
  background: var(--orange);
  color: #000;
}
.btn-warning:hover:not(:disabled) { background: #d97706; }

.btn-blue {
  background: var(--blue);
  color: white;
}
.btn-blue:hover:not(:disabled) { background: var(--blue-hover); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }
.btn-icon { padding: 7px; }

.btn-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ========================================
   FORMS
   ======================================== */
.form-group {
  margin-bottom: 16px;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
select,
textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  padding: 10px 12px;
  font-size: 13px;
  transition: var(--transition);
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

input::placeholder { color: var(--text-muted); }
textarea { resize: vertical; min-height: 80px; }
select { cursor: pointer; }
select option { background: var(--bg-card); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-error {
  color: var(--red);
  font-size: 12px;
  margin-top: 4px;
}

.form-hint {
  color: var(--text-muted);
  font-size: 11px;
  margin-top: 4px;
}

/* ========================================
   STATUS BADGES
   ======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.badge-online {
  background: rgba(37, 211, 102, 0.15);
  color: var(--accent);
}

.badge-offline {
  background: rgba(239, 68, 68, 0.15);
  color: var(--red);
}

.badge-waiting_qr, .badge-waiting {
  background: rgba(245, 158, 11, 0.15);
  color: var(--orange);
}

.badge-disconnected {
  background: rgba(107, 114, 128, 0.15);
  color: var(--gray);
}

.badge-error {
  background: rgba(239, 68, 68, 0.15);
  color: var(--red);
}

.badge-running {
  background: rgba(37, 211, 102, 0.15);
  color: var(--accent);
}

.badge-stopped {
  background: rgba(107, 114, 128, 0.15);
  color: var(--gray);
}

.badge-restarting {
  background: rgba(59, 130, 246, 0.15);
  color: var(--blue);
}

.badge-active {
  background: rgba(37, 211, 102, 0.15);
  color: var(--accent);
}

.badge-inactive, .badge-suspended {
  background: rgba(239, 68, 68, 0.15);
  color: var(--red);
}

/* ---- Big Status Indicator ---- */
.status-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px;
}

.status-pulse {
  width: 80px; height: 80px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px;
  position: relative;
}

.status-pulse.online {
  background: rgba(37, 211, 102, 0.15);
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
  animation: pulse-green 2s infinite;
}

.status-pulse.offline {
  background: rgba(239, 68, 68, 0.15);
}

.status-pulse.waiting_qr {
  background: rgba(245, 158, 11, 0.15);
  animation: pulse-orange 1.5s infinite;
}

.status-pulse.disconnected, .status-pulse.error {
  background: rgba(107, 114, 128, 0.15);
}

@keyframes pulse-green {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
  70% { box-shadow: 0 0 0 20px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

@keyframes pulse-orange {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
  70% { box-shadow: 0 0 0 16px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.status-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.status-sub {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

/* ========================================
   QR CODE
   ======================================== */
.qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 24px;
}

.qr-image {
  width: 220px; height: 220px;
  background: white;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 8px;
}

.qr-image img { width: 100%; height: 100%; object-fit: contain; }

.qr-placeholder {
  width: 220px; height: 220px;
  background: var(--bg-hover);
  border: 2px dashed var(--border-light);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
  padding: 20px;
}

.qr-placeholder .qr-icon { font-size: 40px; }

.qr-instructions {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
  max-width: 280px;
  line-height: 1.5;
}

.qr-timer {
  font-size: 11px;
  color: var(--text-muted);
  display: flex; align-items: center; gap: 4px;
}

/* ========================================
   MODALS
   ======================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95) translateY(10px);
  transition: var(--transition);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-lg { max-width: 700px; }
.modal-sm { max-width: 380px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  border-radius: var(--radius);
  transition: var(--transition);
}
.modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

/* ========================================
   ALERTS / TOASTS
   ======================================== */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.alert-success { background: rgba(37, 211, 102, 0.12); border: 1px solid rgba(37, 211, 102, 0.3); color: var(--accent); }
.alert-danger { background: rgba(239, 68, 68, 0.12); border: 1px solid rgba(239, 68, 68, 0.3); color: var(--red); }
.alert-warning { background: rgba(245, 158, 11, 0.12); border: 1px solid rgba(245, 158, 11, 0.3); color: var(--orange); }
.alert-info { background: rgba(59, 130, 246, 0.12); border: 1px solid rgba(59, 130, 246, 0.3); color: var(--blue); }

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: all;
  animation: slideIn 0.3s ease;
  min-width: 280px;
  max-width: 400px;
}

.toast.success { border-left: 3px solid var(--accent); }
.toast.error { border-left: 3px solid var(--red); }
.toast.warning { border-left: 3px solid var(--orange); }
.toast.info { border-left: 3px solid var(--blue); }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ========================================
   LOGS VIEWER
   ======================================== */
.logs-container {
  background: #0a0c12;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 11px;
  line-height: 1.7;
  max-height: 320px;
  overflow-y: auto;
  color: #a0aec0;
}

.log-line { display: block; }
.log-line:hover { background: rgba(255,255,255,0.03); }
.log-info { color: #68d391; }
.log-warn { color: #f6ad55; }
.log-error { color: #fc8181; }

/* ========================================
   DETAIL PANEL
   ======================================== */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.detail-item label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 2px;
}

.detail-value {
  font-size: 13px;
  color: var(--text-primary);
  word-break: break-all;
}

.code-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  background: var(--bg-secondary);
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--accent);
  word-break: break-all;
}

/* ========================================
   LOGIN PAGE
   ======================================== */
.login-page {
  min-height: 100vh;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo .logo-icon-lg {
  width: 56px; height: 56px;
  background: var(--accent);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin: 0 auto 12px;
}

.login-logo h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.login-logo p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.login-divider {
  text-align: center;
  color: var(--text-muted);
  font-size: 11px;
  margin: 8px 0;
}

/* ========================================
   CLIENT DASHBOARD SPECIFIC
   ======================================== */
.client-header {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.bot-info h2 {
  font-size: 20px;
  font-weight: 700;
}

.bot-info p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.content-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

/* ========================================
   LOADING
   ======================================== */
.loading {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-lg {
  width: 40px; height: 40px;
  border-width: 3px;
}

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

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  flex-direction: column;
  gap: 12px;
  color: var(--text-muted);
  font-size: 13px;
}

/* ========================================
   EMPTY STATE
   ======================================== */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-title { font-size: 15px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.empty-sub { font-size: 13px; }

/* ========================================
   TABS
   ======================================== */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  gap: 4px;
}

.tab {
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: var(--transition);
}

.tab:hover { color: var(--text-secondary); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ========================================
   HELPERS
   ======================================== */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--accent); }
.text-danger { color: var(--red); }
.text-warning { color: var(--orange); }
.text-blue { color: var(--blue); }

.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.items-center { align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.flex-1 { flex: 1; }

.w-full { width: 100%; }
.hidden { display: none !important; }

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .content-grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --sidebar-width: 0px; }

  .sidebar {
    transform: translateX(-100%);
    width: 260px;
  }

  .sidebar.open {
    transform: translateX(0);
    width: 260px;
  }

  .main-content { margin-left: 0; }
  .page-content { padding: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .content-grid { grid-template-columns: 1fr; }
  .content-grid-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .detail-grid { grid-template-columns: 1fr; }

  .table-wrapper { margin: 0 -16px; border-radius: 0; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .login-card { padding: 28px 20px; }
  .modal { margin: 0; border-radius: var(--radius); }
}