/* ==========================================================================
   OpenVPN UI - Enterprise Management Console
   Clean, modern, monochromatic SaaS design system (Light & Dark Mode)
   ========================================================================== */

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

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Theme tokens - Light Mode */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f1f5f9;
  --border-color: #e2e8f0;
  --border-color-hover: #cbd5e1;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;

  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;

  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --info: #0ea5e9;
  --info-light: #f0f9ff;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.04), 0 1px 2px -1px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 6px 16px -2px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
}

body.dark-mode {
  --bg-body: #0b0f19;
  --bg-surface: #121a2d;
  --bg-surface-alt: #1a243b;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.16);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --primary-light: rgba(99, 102, 241, 0.15);
  --success-light: rgba(16, 185, 129, 0.15);
  --warning-light: rgba(245, 158, 11, 0.15);
  --danger-light: rgba(239, 68, 68, 0.15);
  --info-light: rgba(14, 165, 233, 0.15);

  --shadow-card: 0 2px 4px 0 rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 8px 20px -4px rgba(0, 0, 0, 0.5);
}

/* Base resets */
html, body {
  font-family: var(--font-sans) !important;
  background-color: var(--bg-body) !important;
  color: var(--text-main) !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code, pre, .code-ip {
  font-family: var(--font-mono) !important;
  font-size: 0.85rem;
}

.content-wrapper {
  background-color: var(--bg-body) !important;
  min-height: calc(100vh - 120px);
  padding-bottom: 2rem;
}

/* ==========================================================================
   Header Navbar (Crisp, Single-Line, Zero Wrapping)
   ========================================================================== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--bg-surface) !important;
  border-bottom: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow-sm);
  padding: 0 1rem !important;
  height: 60px;
  display: flex !important;
  align-items: center !important;
  transition: all 0.2s ease;
}

.main-header .container-fluid {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100%;
}

.navbar-brand {
  display: inline-flex !important;
  align-items: center !important;
  padding: 0 !important;
  margin-right: 1.5rem !important;
  white-space: nowrap !important;
}

.brand-img {
  width: 28px;
  height: 28px;
  transition: filter 0.2s ease;
}

body.dark-mode .brand-img,
body.dark-mode .sys-spec-icon img {
  filter: brightness(0) invert(1);
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.brand-accent {
  color: var(--primary);
  font-weight: 800;
}

.brand-badge-pill {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  border-radius: 9999px;
  background: var(--bg-surface-alt);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

/* Nav items */
.navbar-nav {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  white-space: nowrap !important;
  margin: 0 !important;
}

.navbar-nav .nav-link {
  font-size: 0.86rem !important;
  font-weight: 600 !important;
  color: var(--text-muted) !important;
  padding: 0.4rem 0.75rem !important;
  border-radius: 6px !important;
  margin: 0 2px;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px;
  transition: all 0.15s ease;
  white-space: nowrap !important;
}

.navbar-nav .nav-link:hover {
  color: var(--text-main) !important;
  background: var(--bg-surface-alt);
}

.navbar-nav .nav-item.active .nav-link {
  color: var(--primary) !important;
  background: var(--primary-light) !important;
  font-weight: 700 !important;
}

.navbar-nav .nav-icon {
  font-size: 0.85rem;
  opacity: 0.85;
}

/* Fix dropdown double carets */
.navbar-nav .dropdown-toggle::after {
  display: inline-block;
  margin-left: 0.4em;
  vertical-align: 0.15em;
  content: "";
  border-top: 0.3em solid;
  border-right: 0.3em solid transparent;
  border-bottom: 0;
  border-left: 0.3em solid transparent;
}

/* Dropdown menu */
.dropdown-menu {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 10px !important;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1) !important;
  padding: 6px !important;
  margin-top: 6px !important;
}

.dropdown-item {
  color: var(--text-main) !important;
  font-size: 0.86rem !important;
  font-weight: 500 !important;
  padding: 8px 12px !important;
  border-radius: 6px !important;
  transition: all 0.15s ease;
}

.dropdown-item:hover {
  background: var(--bg-surface-alt) !important;
  color: var(--primary) !important;
}

/* Right Navbar Controls */
.navbar-right-controls {
  display: flex !important;
  align-items: center !important;
  white-space: nowrap !important;
}

.theme-circle-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: #64748b;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
  margin-right: 10px;
}

.theme-circle-btn:hover {
  color: var(--primary);
  border-color: var(--border-color-hover);
  background: var(--bg-surface);
  transform: translateY(-1px);
}

body.dark-mode .theme-circle-btn {
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #fbbf24 !important;
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.2);
}

body.dark-mode .theme-circle-btn:hover {
  background: #27354f;
  border-color: rgba(251, 191, 36, 0.5);
  box-shadow: 0 0 16px rgba(251, 191, 36, 0.4);
  transform: translateY(-1px);
}

/* User pill dropdown */
.user-dropdown-container {
  position: relative;
}

.user-pill-btn {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  padding: 4px 12px 4px 5px;
  display: inline-flex !important;
  align-items: center !important;
  color: var(--text-main) !important;
  text-decoration: none !important;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.user-pill-btn:hover {
  border-color: var(--border-color-hover);
  background: var(--border-color);
}

.user-avatar-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #cbd5e1;
  color: #475569;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

body.dark-mode .user-avatar-circle {
  background: #334155;
  color: #94a3b8;
}

/* ==========================================================================
   Page Header Bar
   ========================================================================== */
.content-header-bar {
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.header-main-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin: 0 0 2px 0;
}

.header-main-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

.header-status-badge {
  background: var(--success-light);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--success);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
  gap: 6px;
}

.status-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--success);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ==========================================================================
   Executive Metric Cards (Modern White/Slate Cards with Accent Badges)
   ========================================================================== */
.metric-card {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 12px !important;
  box-shadow: var(--shadow-card) !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  overflow: hidden;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-color-hover) !important;
  box-shadow: var(--shadow-card-hover) !important;
}

.metric-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.metric-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.metric-value-sm {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.25;
}

.metric-icon-box {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.icon-box-blue {
  background: #eff6ff;
  border: 1px solid rgba(37, 99, 235, 0.2);
  color: #2563eb;
}

.icon-box-green {
  background: #ecfdf5;
  border: 1px solid rgba(5, 150, 105, 0.2);
  color: #059669;
}

.icon-box-amber {
  background: #fffbeb;
  border: 1px solid rgba(217, 119, 6, 0.2);
  color: #d97706;
}

.icon-box-purple {
  background: #f5f3ff;
  border: 1px solid rgba(124, 58, 237, 0.2);
  color: #7c3aed;
}

body.dark-mode .icon-box-blue {
  background: rgba(37, 99, 235, 0.22);
  border: 1px solid rgba(96, 165, 250, 0.4);
  color: #60a5fa;
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.25);
}

body.dark-mode .icon-box-green {
  background: rgba(16, 185, 129, 0.22);
  border: 1px solid rgba(52, 211, 153, 0.4);
  color: #34d399;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.25);
}

body.dark-mode .icon-box-amber {
  background: rgba(245, 158, 11, 0.22);
  border: 1px solid rgba(251, 191, 36, 0.4);
  color: #fbbf24;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.25);
}

body.dark-mode .icon-box-purple {
  background: rgba(124, 58, 237, 0.22);
  border: 1px solid rgba(192, 132, 252, 0.4);
  color: #c084fc;
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.25);
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 9999px;
}

.badge-status-active {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-status-ready {
  background: var(--bg-surface-alt);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.dot-ready {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
}

.pulse-green-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.metric-footer {
  border-top: 1px solid var(--border-color);
  font-size: 0.78rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.metric-dot-sep {
  color: var(--border-color-hover);
  font-weight: bold;
}

/* ==========================================================================
   Clean Card Containers
   ========================================================================== */
.card-clean {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 12px !important;
  box-shadow: var(--shadow-card) !important;
  overflow: hidden;
}

.card-clean-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
}

.progress-clean {
  height: 8px !important;
  border-radius: 9999px !important;
  background-color: var(--bg-surface-alt) !important;
  overflow: hidden;
}

/* Tables */
.table-clean {
  color: var(--text-main) !important;
  margin-bottom: 0 !important;
}

.table-clean thead th {
  background: var(--bg-surface-alt) !important;
  color: var(--text-muted) !important;
  font-size: 0.74rem !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  padding: 10px 14px !important;
  border-top: none !important;
  border-bottom: 1px solid var(--border-color) !important;
  white-space: nowrap;
}

.table-clean tbody td {
  padding: 10px 14px !important;
  vertical-align: middle !important;
  border-top: 1px solid var(--border-color) !important;
  font-size: 0.85rem;
}

.table-clean tbody tr:hover {
  background-color: var(--primary-light) !important;
}

.empty-state-box {
  padding: 2rem 1rem;
}

.sys-spec-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

.sys-spec-label {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.sys-spec-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
  font-family: var(--font-sans) !important;
  font-weight: 600 !important;
  border-radius: 6px !important;
  font-size: 0.84rem !important;
  padding: 0.4rem 0.85rem !important;
  transition: all 0.15s ease !important;
}

.btn-xs {
  padding: 0.2rem 0.5rem !important;
  font-size: 0.75rem !important;
}

.btn-outline-danger {
  color: #ef4444 !important;
  border-color: #fca5a5 !important;
}

.btn-outline-danger:hover {
  background: #ef4444 !important;
  color: #ffffff !important;
}

.badge {
  font-weight: 600 !important;
  border-radius: 9999px !important;
  padding: 3px 8px !important;
}

/* Copy button */
.button-copy {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 2px 4px;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.button-copy:hover {
  color: var(--primary);
  background: var(--bg-surface-alt);
}

/* ==========================================================================
   Login Page Styles
   ========================================================================== */
.auth-viewport {
  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background: 
    radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.18) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(14, 165, 233, 0.12) 0%, transparent 40%),
    #0f172a !important;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: #1e293b !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 16px !important;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05) !important;
  padding: 32px 28px !important;
  color: #f8fafc !important;
}

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

.auth-logo-badge {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px auto;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-logo-badge img {
  width: 28px !important;
  height: 28px !important;
  max-width: 28px !important;
  max-height: 28px !important;
  display: block;
}

.auth-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: #ffffff !important;
  letter-spacing: -0.02em;
  margin: 0 0 4px 0;
}

.auth-subtitle {
  font-size: 0.85rem;
  color: #94a3b8 !important;
  margin: 0;
}

.sso-button {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 10px !important;
  width: 100% !important;
  height: 44px !important;
  border-radius: 8px !important;
  font-size: 0.88rem !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  transition: all 0.2s ease !important;
  margin-bottom: 10px !important;
  cursor: pointer;
}

.sso-microsoft {
  background: rgba(255, 255, 255, 0.08) !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
}

.sso-microsoft:hover {
  background: rgba(255, 255, 255, 0.14) !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
  color: #ffffff !important;
  transform: translateY(-1px);
}

.sso-google {
  background: rgba(255, 255, 255, 0.05) !important;
  color: #cbd5e1 !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.sso-google:hover {
  background: rgba(255, 255, 255, 0.09) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
  color: #ffffff !important;
  transform: translateY(-1px);
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 20px 0;
  color: #64748b;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-divider::before {
  margin-right: 0.75rem;
}

.auth-divider::after {
  margin-left: 0.75rem;
}

.form-field-wrap {
  position: relative;
  margin-bottom: 12px;
}

.form-field-wrap input {
  width: 100% !important;
  height: 44px !important;
  background: #0f172a !important;
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  border-radius: 8px !important;
  color: #ffffff !important;
  padding: 0 14px 0 42px !important;
  font-size: 0.9rem !important;
  outline: none !important;
  transition: all 0.2s ease !important;
}

.form-field-wrap input:focus {
  border-color: #6366f1 !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25) !important;
  background: #090d16 !important;
}

.form-field-wrap .field-icon {
  position: absolute;
  left: 14px;
  top: 14px;
  color: #64748b;
  font-size: 14px;
  pointer-events: none;
}

.btn-submit-login {
  width: 100% !important;
  height: 44px !important;
  border-radius: 8px !important;
  background: #4f46e5 !important;
  border: none !important;
  color: #ffffff !important;
  font-size: 0.92rem !important;
  font-weight: 700 !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  margin-top: 6px !important;
  transition: all 0.2s ease !important;
}

.btn-submit-login:hover {
  background: #4338ca !important;
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.4) !important;
  transform: translateY(-1px);
}

.auth-security-notice {
  margin-top: 24px;
  font-size: 0.78rem;
  color: #64748b;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.auth-security-notice i {
  color: #10b981;
}