/*
 * Codetech License Server — Commercial SaaS Design System (White Mode)
 * Ultra-Clean Enterprise UI Inspired by Linear, Stripe & Vercel
 */

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

:root {
  /* Colors */
  /* Dark Hacker Theme Colors */
  --brand-50: #0F172A;
  --brand-100: #1E293B;
  --brand-200: #334155;
  --brand-500: #3B82F6;
  --brand-600: #2563EB;
  --brand-700: #1D4ED8;

  --gray-25: #020617;
  --gray-50: #0B1120;
  --gray-100: #0F172A;
  --gray-200: #1E293B;
  --gray-300: #334155;
  --gray-400: #475569;
  --gray-500: #64748B;
  --gray-600: #94A3B8;
  --gray-700: #CBD5E1;
  --gray-800: #E2E8F0;
  --gray-900: #F8FAFC;

  --success-bg: rgba(16, 185, 129, 0.1);
  --success-text: #34D399;
  --success-border: rgba(16, 185, 129, 0.2);

  --danger-bg: rgba(239, 68, 68, 0.1);
  --danger-text: #F87171;
  --danger-border: rgba(239, 68, 68, 0.2);

  --warning-bg: rgba(245, 158, 11, 0.1);
  --warning-text: #FBBF24;
  --warning-border: rgba(245, 158, 11, 0.2);

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, 0.1), 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 4px 8px -2px rgba(16, 24, 40, 0.06), 0 2px 4px -2px rgba(16, 24, 40, 0.04);
  --shadow-lg: 0 12px 16px -4px rgba(16, 24, 40, 0.08), 0 4px 6px -2px rgba(16, 24, 40, 0.03);
  --shadow-xl: 0 20px 24px -4px rgba(16, 24, 40, 0.08), 0 8px 8px -4px rgba(16, 24, 40, 0.03);

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --transition: all 0.15s ease-in-out;
}

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

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.5;
}

a {
  color: var(--brand-600);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}
a:hover { color: var(--brand-700); }

/* ===== LOGIN PAGE (HACKER DARK CARD) ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--gray-50);
  background-image: 
    linear-gradient(rgba(11, 17, 32, 0.85), rgba(11, 17, 32, 0.85)),
    url('https://images.unsplash.com/photo-1526374965328-7f61d4dc18c5?q=80&w=2070&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  padding: 24px;
}

.dot-grid-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.15), transparent 70%);
  pointer-events: none;
}

.login-container {
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 10;
}

.login-card {
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(52, 211, 153, 0.1) inset;
}

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

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

.brand-icon-sq {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--brand-50);
  border: 1px solid var(--brand-200);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-title-wrap {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.1;
}

.brand-tag {
  font-size: 10px;
  font-weight: 700;
  color: var(--brand-600);
  letter-spacing: 0.8px;
}

.welcome-text h2 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.3px;
}

.welcome-text p {
  color: var(--gray-500);
  font-size: 13px;
  margin-top: 4px;
  margin-bottom: 24px;
}

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

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

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

.field-icon {
  position: absolute;
  left: 14px;
  color: var(--gray-400);
  pointer-events: none;
}

.input-field-group input {
  padding-left: 42px;
}

input, select, textarea {
  width: 100%;
  padding: 10px 14px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--gray-900);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--brand-600);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12);
}

.turnstile-box {
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 12px;
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.turnstile-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 8px;
}

.alert-error {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-text);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-main, .btn-primary {
  background: var(--brand-600);
  color: #FFFFFF;
  box-shadow: var(--shadow-xs);
}
.btn-main:hover, .btn-primary:hover {
  background: var(--brand-700);
  box-shadow: var(--shadow-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
  border-color: var(--gray-200);
}
.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.btn-outline {
  background: #FFFFFF;
  color: var(--gray-700);
  border-color: var(--gray-300);
  box-shadow: var(--shadow-xs);
}
.btn-outline:hover {
  background: var(--gray-50);
  color: var(--gray-900);
}

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

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger-text);
  border-color: var(--danger-border);
}
.btn-danger:hover {
  background: var(--danger-text);
  color: #FFFFFF;
}

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

.btn-full { width: 100%; }

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

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

.card-footer-info {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-100);
  text-align: center;
}

.security-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--success-text);
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.dot-active {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10B981;
}

.card-footer-info p {
  font-size: 11px;
  color: var(--gray-400);
}

/* ===== DASHBOARD APP LAYOUT ===== */
.dashboard-body {
  background-color: var(--gray-50);
  background-image: 
    linear-gradient(rgba(11, 17, 32, 0.85), rgba(11, 17, 32, 0.85)),
    url('https://images.unsplash.com/photo-1526374965328-7f61d4dc18c5?q=80&w=2070&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
  width: 250px;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-top {
  padding: 20px;
  border-bottom: 1px solid var(--gray-200);
}

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

.brand-meta {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--gray-500);
}

.sidebar-menu {
  flex: 1;
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.menu-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--gray-400);
  letter-spacing: 0.8px;
  padding: 12px 12px 6px;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--gray-600);
  font-weight: 500;
  font-size: 13px;
  transition: var(--transition);
}

.menu-item:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.menu-item.active {
  background: var(--brand-50);
  color: var(--brand-600);
  font-weight: 600;
  border-left: 3px solid var(--brand-600);
}

.menu-icon {
  color: var(--gray-400);
  transition: var(--transition);
}

.menu-item.active .menu-icon,
.menu-item:hover .menu-icon {
  color: var(--brand-600);
}

.sidebar-bottom {
  padding: 16px 12px;
  border-top: 1px solid var(--gray-200);
}

.edge-status-card {
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  padding: 10px;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

.edge-status-header {
  display: flex;
  align-items: center;
  gap: 6px;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10B981;
}

.edge-text {
  font-size: 11px;
  font-weight: 700;
  color: var(--success-text);
}

.edge-sub {
  font-size: 10px;
  color: #059669;
  margin-top: 2px;
}

/* Main Workspace */
.app-main {
  flex: 1;
  margin-left: 250px;
  min-height: 100vh;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 50;
}

.page-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
}

.page-subtitle {
  font-size: 12px;
  color: var(--gray-500);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.system-status-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--success-bg);
  color: var(--success-text);
  border: 1px solid var(--success-border);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10B981;
}

.admin-profile-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 10px 3px 3px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 20px;
}

.admin-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--brand-600);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.admin-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-800);
}

.mobile-toggle {
  display: none;
  background: #FFFFFF;
  border: 1px solid var(--gray-200);
  padding: 6px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
}

/* ===== METRICS GRID ===== */
.content-body {
  padding: 32px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.metric-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  border-color: rgba(37, 99, 235, 0.3);
}

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

.metric-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
}

.metric-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-indigo { background: var(--brand-50); color: var(--brand-600); }
.icon-purple { background: #F3E8FF; color: #7E22CE; }
.icon-emerald { background: var(--success-bg); color: #047857; }
.icon-blue { background: #E0F2FE; color: #0369A1; }

.metric-value-wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1;
}

.metric-trend {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
}

.trend-positive { background: var(--success-bg); color: var(--success-text); }
.trend-neutral { background: var(--gray-100); color: var(--gray-600); }

/* ===== PANELS & TABLES ===== */
.panel-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  margin-bottom: 32px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
}

.panel-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
}

.panel-subtitle {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 2px;
}

.table-container {
  overflow-x: auto;
}

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

.data-table th {
  padding: 12px 24px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.data-table td {
  padding: 14px 24px;
  font-size: 13px;
  color: var(--gray-800);
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: var(--gray-50);
}

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

.table-loading {
  text-align: center;
  color: var(--gray-400);
  padding: 32px;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.badge-active, .badge-success {
  background: var(--success-bg);
  color: var(--success-text);
  border: 1px solid var(--success-border);
}

.badge-revoked, .badge-danger {
  background: var(--danger-bg);
  color: var(--danger-text);
  border: 1px solid var(--danger-border);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning-text);
  border: 1px solid var(--warning-border);
}

.license-key {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  color: var(--brand-600);
}

/* ===== MODALS ===== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-dialog {
  background: #FFFFFF;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--gray-400);
  cursor: pointer;
}
.modal-close-btn:hover { color: var(--gray-900); }

.modal-form {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* Tab panes */
.tab-pane { display: none; }
.tab-pane.active { display: block; animation: fadeIn 0.2s ease; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Toast */
.toast {
  position: fixed;
  top: 24px; right: 24px;
  background: #FFFFFF;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
}
.toast.success { border-color: var(--success-border); color: var(--success-text); }
.toast.error { border-color: var(--danger-border); color: var(--danger-text); }

/* Responsive */
@media (max-width: 768px) {
  .app-sidebar { transform: translateX(-100%); transition: var(--transition); }
  .app-sidebar.open { transform: translateX(0); }
  .app-main { margin-left: 0; }
  .mobile-toggle { display: block; }
  .content-body { padding: 16px; }
}