/* WhatsApp Asistan — Premium Dark Mode Admin Panel Styles */

/* ========== CSS VARIABLES ========== */
:root {
  --bg-primary: #06060b;
  --bg-secondary: #0c0c14;
  --bg-card: #11111b;
  --bg-card-hover: #16162a;
  --bg-input: #0e0e18;
  --bg-sidebar: #09090f;

  --accent: #25D366;
  --accent-dark: #128C7E;
  --accent-glow: rgba(37, 211, 102, 0.15);
  --accent-glow-strong: rgba(37, 211, 102, 0.3);

  --text-primary: #e8e8ed;
  --text-secondary: #8b8b9e;
  --text-muted: #55556a;

  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(37, 211, 102, 0.3);

  --danger: #ff4757;
  --warning: #ffa502;
  --success: #2ed573;
  --info: #3b82f6;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(37, 211, 102, 0.1);

  --sidebar-width: 260px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== RESET & BASE ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }

::selection { background: var(--accent); color: #000; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ========== LOGIN PAGE ========== */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.login-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
}

.login-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  animation: glowFloat 8s ease-in-out infinite;
}

.login-glow-1 {
  width: 400px;
  height: 400px;
  background: var(--accent);
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.login-glow-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-dark);
  bottom: -80px;
  left: -80px;
  animation-delay: 4s;
}

@keyframes glowFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.1); }
}

.login-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.login-card {
  background: rgba(17, 17, 27, 0.8);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: cardSlideUp 0.6s ease-out;
}

@keyframes cardSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-logo {
  text-align: center;
  margin-bottom: 36px;
}

.brand-logo {
  max-width: 180px;
  height: auto;
  margin-bottom: 12px;
  display: inline-block;
  animation: logoPulse 4s ease-in-out infinite;
}

.logo-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 12px;
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.login-logo h1 {
  font-size: 1.6rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
}

.login-footer {
  text-align: center;
  margin-top: 28px;
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* ========== FORM ELEMENTS ========== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  font-size: 1rem;
  z-index: 1;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 12px 16px 12px 44px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.modal-body input,
.modal-body select,
.modal-body textarea {
  padding-left: 16px;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

input::placeholder { color: var(--text-muted); }

textarea {
  resize: vertical;
  min-height: 80px;
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b8b9e' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

/* Toggle Switch */
.toggle-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

.toggle input { display: none; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--text-muted);
  border-radius: 12px;
  transition: var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
}

.toggle input:checked + .toggle-slider { background: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ========== BUTTONS ========== */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #000;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 6px 25px var(--accent-glow-strong);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover { border-color: var(--border-hover); background: var(--bg-card-hover); }

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover { opacity: 0.9; }

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

.btn-full { width: 100%; justify-content: center; padding: 14px; }

.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}

.btn-icon:hover { border-color: var(--accent); color: var(--accent); }
.btn-icon.danger:hover { border-color: var(--danger); color: var(--danger); }

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

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

.sidebar-brand-logo {
  max-width: 150px;
  height: auto;
  display: block;
}

.sidebar-logo {
  font-size: 2rem;
  animation: logoPulse 3s ease-in-out infinite;
}

.sidebar-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
  position: relative;
}

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

.nav-item.active {
  background: var(--accent-glow);
  color: var(--accent);
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}

.nav-icon { font-size: 1.15rem; }

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.wa-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 8px 12px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.offline { background: var(--danger); box-shadow: 0 0 6px var(--danger); }

.btn-logout {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  transition: var(--transition);
}

.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* ========== MAIN CONTENT ========== */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 32px;
  min-height: 100vh;
}

.page { display: none; animation: pageFadeIn 0.4s ease-out; }
.page.active { display: block; }

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
  width: 100%;
}

.header-actions { display: flex; gap: 10px; }

/* ========== STAT CARDS ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card:hover::before { opacity: 1; }

.stat-card.warning::before { background: linear-gradient(90deg, var(--warning), var(--danger)); }

.stat-icon { font-size: 2.2rem; }

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ========== CARDS ========== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 20px;
}

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

.card-header h3 { font-size: 1rem; font-weight: 600; }

.card-description {
  padding: 16px 24px 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ========== SEARCH ========== */
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0 14px;
  transition: var(--transition);
  max-width: 300px;
  width: 100%;
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-icon { color: var(--text-muted); }

.search-box input {
  border: none;
  background: transparent;
  padding: 10px 0;
  padding-left: 0;
}

.search-box input:focus { box-shadow: none; }

/* ========== TABLES ========== */
.table-wrapper { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  padding: 14px 20px;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 20px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background: var(--bg-card-hover);
}

.data-table tbody tr:last-child td { border-bottom: none; }

.td-actions {
  display: flex;
  gap: 6px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success { background: rgba(46, 213, 115, 0.15); color: var(--success); }
.badge-danger { background: rgba(255, 71, 87, 0.15); color: var(--danger); }
.badge-warning { background: rgba(255, 165, 2, 0.15); color: var(--warning); }
.badge-info { background: rgba(59, 130, 246, 0.15); color: var(--info); }
.badge-muted { background: rgba(136, 136, 158, 0.15); color: var(--text-secondary); }

.text-truncate {
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.empty-state .empty-icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state p { font-size: 0.95rem; }

/* ========== PACKAGES GRID ========== */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  padding: 24px;
}

.package-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.package-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.package-card.inactive { opacity: 0.5; }

.package-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.package-price {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.package-price span { font-size: 0.9rem; font-weight: 500; }

.package-details {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.package-actions {
  margin-top: 20px;
  display: flex;
  gap: 8px;
}

/* ========== MODAL ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-overlay.show { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalSlideIn 0.3s ease-out;
}

.modal-sm { max-width: 400px; }

@keyframes modalSlideIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

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

.modal-header h3 { font-size: 1.1rem; font-weight: 600; }

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: var(--transition);
}

.modal-close:hover { color: var(--text-primary); }

.modal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

/* ========== TOAST NOTIFICATIONS ========== */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  min-width: 300px;
  max-width: 420px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: toastSlideIn 0.4s ease-out;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.toast.removing { animation: toastSlideOut 0.3s ease-in forwards; }

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastSlideOut {
  to { opacity: 0; transform: translateX(100%); }
}

.toast-icon { font-size: 1.3rem; flex-shrink: 0; }
.toast-message { font-size: 0.9rem; flex: 1; }

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info { border-left: 3px solid var(--info); }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }

  .main-content { margin-left: 0; padding: 20px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .page-header { flex-direction: column; align-items: flex-start; }

  .data-table th, .data-table td { padding: 10px 14px; font-size: 0.85rem; }

  .modal { max-width: 95vw; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .packages-grid { grid-template-columns: 1fr; }
}