/* ==========================================================================
   GuildLink: 聯盟互聯 - Modern Cyber & Glassmorphism Design System
   ========================================================================== */

:root {
  --bg-dark: #090d16;
  --bg-card: rgba(16, 23, 38, 0.75);
  --bg-card-hover: rgba(22, 32, 54, 0.85);
  --border-glass: rgba(255, 255, 255, 0.09);
  --border-glass-glow: rgba(0, 229, 255, 0.35);

  --color-primary: #5865f2; /* Discord Blurple */
  --color-primary-glow: rgba(88, 101, 242, 0.4);
  --color-cyan: #00e5ff;
  --color-cyan-glow: rgba(0, 229, 255, 0.35);
  --color-success: #00ff88;
  --color-warning: #ffb020;
  --color-danger: #ff3366;
  --color-purple: #a855f7;

  --text-main: #f0f4fc;
  --text-muted: #8e9bb0;
  --text-dim: #5c6b84;

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-card: 0 12px 36px -4px rgba(0, 0, 0, 0.55), 0 0 0 1px var(--border-glass);
  --shadow-glow: 0 0 24px -2px var(--color-cyan-glow);
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-heading);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  position: relative;
}

/* Cyber Ambient Lighting */
.cyber-bg-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at 20% 15%, rgba(88, 101, 242, 0.14) 0%, transparent 45%),
              radial-gradient(circle at 80% 80%, rgba(0, 229, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 50% 50%, rgba(168, 85, 247, 0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.cyber-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  pointer-events: none;
  z-index: 1;
}

.app-container {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

/* Glassmorphism Panel */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.16);
}

/* Top Navigation Bar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  margin-bottom: 24px;
  border-radius: var(--radius-lg);
}

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

.brand-icon-wrapper {
  position: relative;
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, rgba(88, 101, 242, 0.3), rgba(0, 229, 255, 0.2));
  border: 1px solid rgba(0, 229, 255, 0.4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.2);
}

.brand-pulse-dot {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 10px;
  height: 10px;
  background-color: var(--color-success);
  border-radius: var(--radius-full);
  box-shadow: 0 0 8px var(--color-success);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.9; }
  50% { transform: scale(1.3); opacity: 0.4; }
  100% { transform: scale(0.95); opacity: 0.9; }
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.2px;
}

.badge-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  background: rgba(0, 229, 255, 0.15);
  color: var(--color-cyan);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.alliance-selector-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.selector-label {
  font-size: 13px;
  color: var(--text-muted);
}

.cyber-select {
  background: rgba(10, 15, 26, 0.8);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
}

.cyber-select:hover, .cyber-select:focus {
  border-color: var(--color-cyan);
}

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

.edge-status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.25);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-success);
}

.status-indicator-blink {
  width: 8px;
  height: 8px;
  background-color: var(--color-success);
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px var(--color-success);
  animation: blink-fade 1.5s infinite alternate;
}

@keyframes blink-fade {
  from { opacity: 0.5; }
  to { opacity: 1; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, #5865f2, #4752c4);
  color: #fff;
  box-shadow: 0 4px 14px rgba(88, 101, 242, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #6775f5, #5865f2);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(88, 101, 242, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-glass);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: linear-gradient(135deg, #ff3366, #d92150);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 51, 102, 0.35);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #ff4d7a, #ff3366);
  transform: translateY(-1px);
}

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

/* Key Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px;
}

.metric-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
}

.icon-cyan {
  background: rgba(0, 229, 255, 0.12);
  border: 1px solid rgba(0, 229, 255, 0.25);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.15);
}

.icon-purple {
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.25);
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.15);
}

.icon-red {
  background: rgba(255, 51, 102, 0.12);
  border: 1px solid rgba(255, 51, 102, 0.25);
  box-shadow: 0 0 16px rgba(255, 51, 102, 0.15);
}

.icon-amber {
  background: rgba(255, 176, 32, 0.12);
  border: 1px solid rgba(255, 176, 32, 0.25);
  box-shadow: 0 0 16px rgba(255, 176, 32, 0.15);
}

.metric-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.metric-value {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -1px;
  color: #fff;
  line-height: 1.1;
}

.metric-sub {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
}

.metric-trend {
  font-size: 12px;
  margin-top: 4px;
  font-weight: 600;
}

.text-success { color: var(--color-success); }
.text-cyan { color: var(--color-cyan); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }

/* Topology Section */
.topology-section {
  padding: 22px;
  margin-bottom: 24px;
}

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

.panel-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.panel-desc {
  font-size: 13px;
  color: var(--text-muted);
}

.panel-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ping-badge {
  font-size: 12px;
  padding: 4px 10px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--color-cyan);
}

.topology-canvas-container {
  position: relative;
  width: 100%;
  height: 380px;
  background: rgba(8, 12, 20, 0.9);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
}

#topologyCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.node-tooltip {
  position: absolute;
  pointer-events: none;
  padding: 10px 14px;
  font-size: 12px;
  z-index: 10;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  border-color: var(--color-cyan);
  transition: opacity 0.15s;
}

.tooltip-header {
  font-weight: 700;
  color: #fff;
  font-size: 14px;
}

.tooltip-badge {
  color: var(--color-cyan);
  font-weight: 600;
  margin-top: 2px;
}

.tooltip-status {
  color: var(--text-muted);
  margin-top: 4px;
}

/* Tabs Navigation */
.tabs-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 10px;
  overflow-x: auto;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
  color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.08);
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.15);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.content-card {
  padding: 24px;
}

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

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

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

/* Tables */
.table-container {
  overflow-x: auto;
}

.cyber-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.cyber-table th {
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-glass);
}

.cyber-table td {
  padding: 14px 16px;
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
}

.cyber-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge-level1 {
  background: rgba(255, 51, 102, 0.15);
  color: var(--color-danger);
  border: 1px solid rgba(255, 51, 102, 0.3);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
}

.badge-level2 {
  background: rgba(255, 176, 32, 0.15);
  color: var(--color-warning);
  border: 1px solid rgba(255, 176, 32, 0.3);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
}

/* Channels Grid */
.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.channel-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.channel-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.channel-icon {
  font-size: 28px;
}

.channel-name {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.channel-id-tag {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-dim);
}

.channel-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 18px;
}

.channel-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.badge-status-green {
  color: var(--color-success);
  font-size: 12px;
  font-weight: 600;
}

.badge-status-gray {
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 600;
}

/* Settings Form */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.setting-group {
  padding: 20px;
}

.group-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.form-field {
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.range-display {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-cyan);
  margin-bottom: 6px;
}

.cyber-slider {
  width: 100%;
  accent-color: var(--color-cyan);
  cursor: pointer;
}

.field-hint {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.3;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.toggle-row label {
  font-size: 13px;
  color: var(--text-main);
}

.cyber-toggle {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.cyber-select-sm {
  background: rgba(10, 15, 26, 0.8);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.forbidden-words-box {
  padding: 20px;
  margin-bottom: 24px;
}

.words-tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  min-height: 40px;
}

.word-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(255, 51, 102, 0.12);
  border: 1px solid rgba(255, 51, 102, 0.3);
  color: #ff99b0;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-family: var(--font-mono);
}

.word-tag-remove {
  cursor: pointer;
  color: var(--text-muted);
}

.word-tag-remove:hover {
  color: #fff;
}

.add-word-bar {
  display: flex;
  gap: 10px;
}

.cyber-input {
  flex: 1;
  background: rgba(10, 15, 26, 0.8);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  outline: none;
}

.cyber-input:focus {
  border-color: var(--color-cyan);
}

.cyber-input-sm {
  background: rgba(10, 15, 26, 0.8);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 12px;
}

/* Audit Logs Stream */
.log-stream-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 460px;
  overflow-y: auto;
}

.log-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(10, 15, 26, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  font-size: 13px;
  transition: background 0.15s;
}

.log-entry:hover {
  background: rgba(18, 25, 42, 0.8);
}

.log-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.log-action-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 700;
}

.badge-phishing {
  background: rgba(255, 51, 102, 0.2);
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}

.badge-ban {
  background: rgba(255, 176, 32, 0.2);
  color: var(--color-warning);
  border: 1px solid var(--color-warning);
}

.badge-shield {
  background: rgba(168, 85, 247, 0.2);
  color: var(--color-purple);
  border: 1px solid var(--color-purple);
}

.badge-alliance {
  background: rgba(0, 229, 255, 0.2);
  color: var(--color-cyan);
  border: 1px solid var(--color-cyan);
}

.log-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

/* Discord Embed Preview */
.discord-embed-preview {
  display: flex;
  background: #2b2d31; /* Authentic Discord dark theme */
  border-radius: 6px;
  overflow: hidden;
  max-width: 720px;
  margin-top: 14px;
}

.embed-border-color {
  width: 4px;
  background-color: var(--color-primary);
  flex-shrink: 0;
}

.embed-body {
  padding: 16px 20px;
  color: #dbdee1;
  font-size: 14px;
  width: 100%;
}

.embed-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #f2f3f5;
  margin-bottom: 6px;
}

.embed-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.embed-desc {
  font-size: 13px;
  line-height: 1.4;
  margin-bottom: 16px;
  color: #dbdee1;
}

.embed-fields-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 16px;
}

.field-title {
  font-size: 13px;
  font-weight: 700;
  color: #f2f3f5;
  margin-bottom: 4px;
}

.field-content {
  font-size: 13px;
  line-height: 1.5;
  color: #b5bac1;
}

.embed-footer {
  font-size: 11px;
  color: #949ba4;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 10px;
}

/* Modal Dialogs */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.hidden {
  display: none;
}

.modal-box {
  width: 100%;
  max-width: 520px;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.modal-header h3 {
  color: #fff;
  font-size: 18px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}

.modal-body p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.generated-key-box {
  background: rgba(0, 229, 255, 0.1);
  border: 1px dashed var(--color-cyan);
  color: var(--color-cyan);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.code-snippet-box {
  background: #111624;
  border: 1px solid var(--border-glass);
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: #fff;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 20px;
}

/* Footer */
.app-footer {
  margin-top: 40px;
  padding: 20px 0;
  border-top: 1px solid var(--border-glass);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  margin: 0 4px;
}

.footer-links a:hover {
  color: var(--color-cyan);
}

/* Responsive */
@media (max-width: 900px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .nav-center, .nav-actions {
    width: 100%;
    justify-content: space-between;
  }
}