/* ==============================================================================
   MODERN CLOUD DEVOPS DESIGN SYSTEM
   Dark Theme, Glassmorphism, Neon Accents, Fluid Typography
   ============================================================================== */

:root {
  --bg-main: #090d16;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(26, 34, 52, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(99, 102, 241, 0.4);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-cyan: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-purple: #a855f7;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background Atmospheric Glows */
.glow-bg {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(140px);
  z-index: 0;
  opacity: 0.18;
}
.glow-bg.top-left {
  top: -150px;
  left: -150px;
  background: radial-gradient(circle, var(--accent-indigo), var(--accent-cyan));
}
.glow-bg.bottom-right {
  bottom: -150px;
  right: -150px;
  background: radial-gradient(circle, var(--accent-purple), var(--accent-indigo));
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ==============================================================================
   HEADER & NAVBAR
   ============================================================================== */
.app-header {
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(9, 13, 22, 0.8);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.25);
  margin-top: 2px;
}

.badge-pulse::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  margin-right: 6px;
  box-shadow: 0 0 8px var(--accent-emerald);
}

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

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
}

.avatar-initial {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-indigo));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.user-meta-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.user-role-chip {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  padding: 1px 6px;
  border-radius: 4px;
}

/* ==============================================================================
   BUTTONS & CONTROLS
   ============================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-main);
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-indigo), #4f46e5);
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #6b6ef9, #4338ca);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.3);
}
.btn-danger:hover {
  background: rgba(244, 63, 94, 0.25);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.82rem;
}
.btn-md {
  padding: 10px 18px;
  font-size: 0.9rem;
}
.btn-block {
  width: 100%;
  padding: 12px;
}

/* ==============================================================================
   SYSTEM HEALTH MONITOR CARDS
   ============================================================================== */
.health-section {
  margin: 32px 0 36px 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.section-title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
}

.health-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: var(--transition-fast);
  position: relative;
  backdrop-filter: blur(12px);
}
.health-card:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}

.health-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.health-icon {
  font-size: 1.25rem;
}

.health-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  flex-grow: 1;
  margin-left: 8px;
}

.health-detail {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.health-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-healthy {
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
}
.dot-unhealthy {
  background-color: var(--accent-rose);
  box-shadow: 0 0 10px var(--accent-rose);
}
.dot-pending {
  background-color: var(--accent-amber);
  animation: pulseDot 1.5s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ==============================================================================
   WORKSPACE GRID (FEED & SIDEBAR)
   ============================================================================== */
.workspace-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 28px;
  margin-bottom: 60px;
}

@media (max-width: 992px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }
}

.feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.feed-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cache-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 600;
}
.cache-redis {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.cache-postgres {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

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

.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.search-input {
  width: 100%;
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-tag {
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}
.filter-tag:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}
.filter-tag.active {
  background: rgba(99, 102, 241, 0.2);
  color: var(--accent-cyan);
  border-color: var(--accent-indigo);
  font-weight: 600;
}

/* Items List & Cards */
.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-fast);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}
.item-card:hover {
  border-color: var(--border-active);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

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

.item-category {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-cyan);
}

.item-price {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: #34d399;
}

.item-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
  color: var(--text-primary);
}

.item-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.item-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
  margin-top: auto;
}

.item-author {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.item-actions {
  display: flex;
  gap: 8px;
}

/* ==============================================================================
   SIDEBAR & CARDS
   ============================================================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(16px);
  margin-bottom: 24px;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.card-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* Form Controls */
.standard-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  background: rgba(13, 17, 28, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 14px;
  font-family: var(--font-main);
  font-size: 0.88rem;
  transition: var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-indigo);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-select {
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
}

.notice-box {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
}
.notice-warning {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}
.notice-warning a {
  color: #fff;
  font-weight: 700;
  text-decoration: underline;
}

/* DevOps Architecture Info */
.infra-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.infra-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.infra-key {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.infra-val {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
}

.text-success {
  color: var(--accent-emerald) !important;
}

/* ==============================================================================
   MODAL & TABS
   ============================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 6, 12, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #0f1523;
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 440px;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), var(--shadow-glow);
  transform: translateY(20px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.open .modal-card {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}
.modal-close:hover {
  color: var(--text-primary);
}

.modal-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 24px;
}

.modal-tab {
  flex: 1;
  padding: 10px 0;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-tab.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}

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

.form-helper-box {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: 16px;
  color: var(--accent-cyan);
}

/* ==============================================================================
   TOAST NOTIFICATIONS
   ============================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1000;
}

.toast {
  background: #131b2e;
  border-left: 4px solid var(--accent-indigo);
  border-top: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  min-width: 300px;
  max-width: 400px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slideIn 0.3s ease;
}

.toast.toast-success {
  border-left-color: var(--accent-emerald);
}
.toast.toast-error {
  border-left-color: var(--accent-rose);
}

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

/* Spinners & Utilities */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px auto;
}

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

.loading-state, .empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.app-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 24px 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}