:root {
  --bg-main: #0b0f19;
  --bg-card: #131b2e;
  --bg-card-hover: #18223a;
  --border-color: #232f48;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --radius: 12px;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* ========================================= */
/* 1. AUTH SCREEN                            */
/* ========================================= */
.auth-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px 24px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.brand-header {
  text-align: center;
  margin-bottom: 24px;
}

.brand-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.brand-header h2 {
  font-size: 22px;
  font-weight: 700;
}

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

/* Form Styles */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  background: #0f1626;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-block {
  width: 100%;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
}

.btn-outline-sm {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 6px 12px;
  font-size: 12px;
}

.btn-icon {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px;
  border-radius: 8px;
}

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover {
  background: #059669;
}

/* ========================================= */
/* 2. DASHBOARD MAIN                         */
/* ========================================= */
.dashboard-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo {
  font-size: 24px;
}

.nav-brand h1 {
  font-size: 16px;
  font-weight: 700;
}

.badge-server {
  font-size: 10px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.main-content {
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.stat-value {
  font-size: 24px;
  font-weight: 800;
}

.stat-success { border-left: 4px solid var(--success); }
.stat-warning { border-left: 4px solid var(--warning); }
.stat-danger { border-left: 4px solid var(--danger); }

/* Action Bar */
.action-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 240px;
}

/* Licenses Grid */
.licenses-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.licenses-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.count-badge {
  font-size: 12px;
  color: var(--text-muted);
  background: #18223a;
  padding: 4px 10px;
  border-radius: 12px;
}

.licenses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

/* License Card */
.lic-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.2s, border-color 0.2s;
}

.lic-card:hover {
  border-color: #3b82f6;
  background: var(--bg-card-hover);
}

.lic-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.lic-email {
  font-size: 15px;
  font-weight: 700;
  word-break: break-all;
}

.status-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  white-space: nowrap;
}

.badge-active { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-expired { background: var(--danger-bg); color: var(--danger); }
.badge-suspended { background: rgba(148, 163, 184, 0.2); color: var(--text-muted); }

.lic-key-box {
  background: #0b1120;
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: monospace;
  font-size: 13px;
  color: #93c5fd;
}

.btn-copy {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  padding: 2px 6px;
}
.btn-copy:hover { color: #fff; }

.lic-meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.lic-actions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 4px;
}

.btn-action-sm {
  padding: 8px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: #0f1626;
  color: var(--text-main);
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
}

.btn-action-sm:hover {
  background: #1e293b;
  border-color: #3b82f6;
}

.btn-renew {
  grid-column: span 2;
  background: rgba(16, 185, 129, 0.15);
  border-color: #059669;
  color: #34d399;
}
.btn-renew:hover {
  background: #10b981;
  color: #fff;
}

/* ========================================= */
/* 3. MODALS                                 */
/* ========================================= */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 999;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  padding: 24px;
  box-shadow: var(--shadow);
}

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

.btn-close-modal {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
}

.duration-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.radio-pill input {
  display: none;
}

.radio-pill span {
  display: block;
  text-align: center;
  padding: 8px 4px;
  background: #0f1626;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
}

.radio-pill input:checked + span {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.whatsapp-textarea {
  width: 100%;
  background: #0b1120;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: #fff;
  padding: 12px;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  margin-bottom: 16px;
}

/* Alerts & Toast */
.alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 14px;
}

.alert-danger {
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  color: #fca5a5;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1e293b;
  color: #fff;
  border: 1px solid var(--primary);
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  font-size: 14px;
  z-index: 1000;
  animation: slideUp 0.3s ease-out;
}

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

.hidden { display: none !important; }