/* ==============================================================================
   threedefi-nav.css
   Unified Professional Design System for threedefi.com Suite (1 to 5)
   ============================================================================== */

:root {
  --td-font-scale: 1.0;
  --td-text-color: #e2e8f0;
  --td-text-dim: #94a3b8;
  --td-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  /* Default: Deep Obsidian Cyber */
  --td-bg: #060913;
  --td-card-bg: rgba(13, 17, 30, 0.88);
  --td-card-border: rgba(64, 93, 140, 0.35);
  --td-accent: #00f0ff;
  --td-accent-secondary: #9d4edd;
  --td-accent-glow: rgba(0, 240, 255, 0.35);
  --td-header-bg: rgba(10, 14, 26, 0.92);
  --td-nav-active-text: #000000;
}

/* ── 7 UI THEMES ── */
[data-theme="cyber-obsidian"] {
  --td-bg: #060913;
  --td-card-bg: rgba(13, 17, 30, 0.88);
  --td-card-border: rgba(64, 93, 140, 0.35);
  --td-accent: #00f0ff;
  --td-accent-secondary: #9d4edd;
  --td-accent-glow: rgba(0, 240, 255, 0.35);
  --td-header-bg: rgba(10, 14, 26, 0.92);
  --td-nav-active-text: #000000;
}

[data-theme="midnight-oled"] {
  --td-bg: #000000;
  --td-card-bg: rgba(10, 15, 12, 0.92);
  --td-card-border: rgba(0, 255, 136, 0.30);
  --td-accent: #00ff88;
  --td-accent-secondary: #6ee7b7;
  --td-accent-glow: rgba(0, 255, 136, 0.45);
  --td-header-bg: rgba(5, 10, 8, 0.95);
  --td-nav-active-text: #000000;
}

[data-theme="tokyo-neon"] {
  --td-bg: #0a0918;
  --td-card-bg: rgba(18, 15, 34, 0.90);
  --td-card-border: rgba(255, 0, 127, 0.35);
  --td-accent: #ff007f;
  --td-accent-secondary: #00f0ff;
  --td-accent-glow: rgba(255, 0, 127, 0.45);
  --td-header-bg: rgba(14, 11, 28, 0.94);
  --td-nav-active-text: #ffffff;
}

[data-theme="solar-amber"] {
  --td-bg: #0f0b04;
  --td-card-bg: rgba(24, 18, 10, 0.92);
  --td-card-border: rgba(255, 184, 0, 0.35);
  --td-accent: #ffb800;
  --td-accent-secondary: #ff6b35;
  --td-accent-glow: rgba(255, 184, 0, 0.45);
  --td-header-bg: rgba(18, 13, 6, 0.95);
  --td-nav-active-text: #000000;
}

[data-theme="quantum-sapphire"] {
  --td-bg: #040b18;
  --td-card-bg: rgba(8, 20, 40, 0.90);
  --td-card-border: rgba(0, 162, 255, 0.35);
  --td-accent: #00a2ff;
  --td-accent-secondary: #38bdf8;
  --td-accent-glow: rgba(0, 162, 255, 0.45);
  --td-header-bg: rgba(6, 16, 32, 0.95);
  --td-nav-active-text: #ffffff;
}

[data-theme="matrix-phosphor"] {
  --td-bg: #030c05;
  --td-card-bg: rgba(6, 20, 10, 0.94);
  --td-card-border: rgba(0, 255, 102, 0.32);
  --td-accent: #00ff66;
  --td-accent-secondary: #a3e635;
  --td-accent-glow: rgba(0, 255, 102, 0.45);
  --td-header-bg: rgba(4, 14, 7, 0.96);
  --td-nav-active-text: #000000;
}

[data-theme="clean-titanium"] {
  --td-bg: #12161f;
  --td-card-bg: rgba(26, 32, 44, 0.92);
  --td-card-border: rgba(148, 163, 184, 0.30);
  --td-accent: #38bdf8;
  --td-accent-secondary: #94a3b8;
  --td-accent-glow: rgba(56, 189, 248, 0.35);
  --td-header-bg: rgba(20, 25, 35, 0.96);
  --td-nav-active-text: #000000;
}

/* ── Global Font Scale & Typography Dynamic Application ── */
body {
  font-size: calc(13px * var(--td-font-scale)) !important;
  color: var(--td-text-color) !important;
  background-color: var(--td-bg) !important;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* ── threedefi Unified Top Navigation Bar ── */
.threedefi-top-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 48px;
  background: var(--td-header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--td-card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 10000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  font-family: var(--td-font-family);
}

.threedefi-brand-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.threedefi-logo-link {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--td-text-color);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
  transition: transform 0.2s ease;
}

.threedefi-logo-link:hover {
  transform: translateY(-1px);
}

.threedefi-glyph {
  color: var(--td-accent);
  font-size: 18px;
  filter: drop-shadow(0 0 8px var(--td-accent-glow));
}

.threedefi-name {
  background: linear-gradient(135deg, #ffffff 40%, var(--td-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.threedefi-suite-badge {
  font-size: 9px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--td-card-border);
  color: var(--td-accent);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 1px;
}

/* Navigation Links */
.threedefi-nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.threedefi-nav-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--td-text-dim);
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.threedefi-nav-item .nav-num {
  font-size: 9px;
  font-weight: 800;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--td-text-dim);
}

.threedefi-nav-item:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.threedefi-nav-item.active {
  color: var(--td-nav-active-text);
  background: var(--td-accent);
  border-color: var(--td-accent);
  box-shadow: 0 0 12px var(--td-accent-glow);
}

.threedefi-nav-item.active .nav-num {
  background: rgba(0, 0, 0, 0.25);
  color: var(--td-nav-active-text);
}

/* Settings Button */
.threedefi-nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.threedefi-btn-settings {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--td-card-border);
  color: var(--td-text-color);
  font-size: 11px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.threedefi-btn-settings:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--td-accent);
  color: #ffffff;
  box-shadow: 0 0 10px var(--td-accent-glow);
}

/* ── threedefi Unified Settings Modal ── */
.threedefi-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 20000;
  display: none;
  align-items: center;
  justify-content: center;
  font-family: var(--td-font-family);
  animation: tdFadeIn 0.2s ease;
}

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

.threedefi-settings-card {
  width: 520px;
  max-width: 92vw;
  background: var(--td-card-bg);
  border: 1px solid var(--td-accent);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 0 40px var(--td-accent-glow);
  display: flex;
  flex-direction: column;
  gap: 18px;
  color: var(--td-text-color);
}

.threedefi-settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 12px;
}

.threedefi-settings-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--td-accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

.threedefi-settings-close {
  background: transparent;
  border: none;
  color: var(--td-text-dim);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

.threedefi-settings-close:hover {
  color: #ff4d4d;
}

/* Section styling */
.threedefi-setting-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.threedefi-setting-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--td-accent);
  display: flex;
  justify-content: space-between;
}

/* 7 Theme Swatches Grid */
.threedefi-theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
}

.threedefi-theme-btn {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 8px 6px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  color: var(--td-text-color);
}

.threedefi-theme-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.threedefi-theme-btn.active {
  border-color: var(--td-accent);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 12px var(--td-accent-glow);
}

.theme-preview-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.theme-name {
  font-size: 10px;
  font-weight: 600;
  text-align: center;
}

/* Font Size Range & Value */
.threedefi-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.threedefi-slider {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.threedefi-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--td-accent);
  box-shadow: 0 0 8px var(--td-accent-glow);
  cursor: pointer;
}

.threedefi-scale-val {
  font-size: 12px;
  font-family: monospace;
  font-weight: 700;
  color: #ffffff;
  min-width: 44px;
  text-align: right;
}

/* Font Color Swatches */
.threedefi-fontcolor-row {
  display: flex;
  gap: 8px;
}

.threedefi-fontcolor-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 6px 4px;
  cursor: pointer;
  font-size: 10px;
  font-weight: 600;
  transition: all 0.2s ease;
  color: #fff;
}

.threedefi-fontcolor-btn:hover {
  border-color: rgba(255, 255, 255, 0.3);
}

.threedefi-fontcolor-btn.active {
  border-color: var(--td-accent);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 8px var(--td-accent-glow);
}

.fontcolor-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.3);
}

/* Settings Footer */
.threedefi-settings-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 12px;
}

.threedefi-btn-reset {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--td-text-dim);
  font-size: 11px;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.threedefi-btn-reset:hover {
  color: #fff;
  border-color: #fff;
}

.threedefi-btn-done {
  background: var(--td-accent);
  color: var(--td-nav-active-text);
  border: none;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 6px;
  cursor: pointer;
  box-shadow: 0 0 12px var(--td-accent-glow);
  transition: transform 0.2s;
}

.threedefi-btn-done:hover {
  transform: translateY(-1px);
}

/* Responsive adjustments */
@media (max-width: 860px) {
  .threedefi-nav-links .nav-text {
    display: none;
  }
  .threedefi-nav-item {
    padding: 6px 8px;
  }
}