/* Font definitions for Bazinga Regular and Asteroid Blaster */
@font-face {
  font-family: 'Bazinga';
  src: url('/static/fonts/Bazinga-Regular.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'AsteroidBlaster';
  src: url('/static/fonts/AsteroidBlaster.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-base: 18px;
  /* Default: Dark Theme */
  --bg-primary: #090b10;
  --bg-radial-start: #181d2c;
  --bg-radial-end: #090b10;
  --glass-bg: rgba(22, 27, 38, 0.75);
  --glass-card: rgba(26, 32, 47, 0.82);
  --glass-border: rgba(255, 255, 255, 0.12);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --accent-cyan: #38bdf8;
  --accent-green: #22c55e;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --accent-purple: #c084fc;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --chat-bg: rgba(10, 13, 19, 0.6);
  --input-bg: rgba(15, 20, 30, 0.9);
  --msg-rx-bg: rgba(16, 38, 28, 0.85);
  --msg-tx-bg: rgba(15, 36, 56, 0.85);
  --msg-cw-bg: rgba(45, 22, 60, 0.85);
  --msg-sys-bg: rgba(38, 30, 15, 0.7);
  --footer-bg: #020617;
  --footer-border: #0f172a;
}

/* -------------------------------------------------------------
   Charcoal Mode (Balanced Medium Slate / Charcoal Blend)
   ------------------------------------------------------------- */
[data-theme="charcoal"] {
  --bg-primary: #1e2430;
  --bg-radial-start: #2d3748;
  --bg-radial-end: #1a202c;
  --glass-bg: rgba(38, 47, 64, 0.88);
  --glass-card: rgba(45, 55, 75, 0.92);
  --glass-border: rgba(255, 255, 255, 0.16);
  --text-primary: #f8fafc;
  --text-secondary: #e2e8f0;
  --text-muted: #cbd5e1;
  --accent-cyan: #38bdf8;
  --chat-bg: rgba(26, 32, 44, 0.75);
  --input-bg: rgba(30, 38, 52, 0.95);
  --msg-rx-bg: rgba(22, 54, 40, 0.92);
  --msg-tx-bg: rgba(24, 52, 78, 0.92);
  --msg-cw-bg: rgba(58, 32, 76, 0.92);
  --msg-sys-bg: rgba(54, 42, 22, 0.85);
  --footer-bg: #141822;
  --footer-border: #2d3748;
}

/* -------------------------------------------------------------
   Light Mode (Crisp, High-Legibility Modern Light Theme)
   ------------------------------------------------------------- */
[data-theme="light"] {
  --bg-primary: #f1f5f9;
  --bg-radial-start: #f8fafc;
  --bg-radial-end: #e2e8f0;
  --glass-bg: rgba(255, 255, 255, 0.88);
  --glass-card: rgba(255, 255, 255, 0.94);
  --glass-border: rgba(0, 0, 0, 0.12);
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --accent-cyan: #0284c7;
  --accent-green: #16a34a;
  --accent-amber: #d97706;
  --accent-red: #dc2626;
  --accent-purple: #9333ea;
  --chat-bg: rgba(241, 245, 249, 0.95);
  --input-bg: #ffffff;
  --msg-rx-bg: rgba(220, 252, 231, 0.95);
  --msg-tx-bg: rgba(224, 242, 254, 0.95);
  --msg-cw-bg: rgba(243, 232, 255, 0.95);
  --msg-sys-bg: rgba(254, 243, 199, 0.95);
  --footer-bg: #e2e8f0;
  --footer-border: #cbd5e1;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Ubuntu, Cantarell, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* Character font specific styling */
.font-bazinga {
  font-family: 'Bazinga', 'Fugaz One', cursive, sans-serif !important;
  letter-spacing: 1px;
}

.font-asteroid {
  font-family: 'AsteroidBlaster', 'Bazinga', cursive, sans-serif !important;
  letter-spacing: 0.5px;
}

html, body {
  height: 100vh;
  max-height: 100vh;
  overflow: hidden; /* Strict single-screen fit */
}

body {
  background: radial-gradient(circle at 15% 15%, var(--bg-radial-start) 0%, var(--bg-radial-end) 80%);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  font-size: var(--font-base);
  transition: background 0.3s ease, color 0.3s ease;
}

/* Glassmorphism helpers */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border: 1px solid var(--glass-border);
}

.glass-card {
  background: var(--glass-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

/* Header */
header {
  padding: 0.75rem 1.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

/* Top logo graphic scaled up using the same tower-broadcast icon */
.top-brand-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(6, 182, 212, 0.22);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #22d3ee;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.top-brand-icon-box:hover {
  transform: scale(1.06);
  box-shadow: 0 0 22px rgba(56, 189, 248, 0.5);
}

/* Title text: Baseline-aligned with custom font scalings */
.logo-title {
  font-size: 2.11rem;
  display: flex;
  align-items: baseline; /* Ensures all words sit on the exact same bottom baseline */
  gap: 0.25rem;
  filter: drop-shadow(0 0 16px rgba(56, 189, 248, 0.3));
}

.title-word {
  display: inline-block;
  vertical-align: baseline;
  line-height: 1;
}

.title-dbj {
  background: linear-gradient(90deg, #ffffff 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.title-rattle {
  background: linear-gradient(90deg, #38bdf8 0%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transform: translateY(2px); /* Precise optical baseline nudge so bottom edges match perfectly */
}

/* NIX: 12% larger (1.12em) and pure solid white */
.title-nix {
  font-size: 1.12em;
  color: #ffffff !important;
  -webkit-text-fill-color: #ffffff !important;
  text-shadow: 0 0 18px rgba(255, 255, 255, 0.45);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Switcher Segmented Control */
.theme-switcher-box {
  display: flex;
  align-items: center;
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  border-radius: 9999px;
  padding: 3px;
  gap: 2px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.theme-btn {
  background: transparent;
  border: none;
  border-radius: 9999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
  line-height: 1;
  user-select: none;
}

.theme-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.theme-btn.active {
  background: var(--accent-cyan);
  color: #0b0f19;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.45);
}

[data-theme="light"] .theme-btn.active {
  background: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(2, 132, 199, 0.4);
}

.badge {
  padding: 0.45rem 1.2rem;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.badge-rx {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.35);
  box-shadow: 0 0 16px rgba(34, 197, 94, 0.2);
}

.badge-tx {
  background: rgba(239, 68, 68, 0.25);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.5);
  animation: pulse-tx 1.2s infinite ease-in-out;
}

.badge-settings {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.35);
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 700;
}

.badge-settings:hover {
  background: rgba(56, 189, 248, 0.3);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
  transform: translateY(-1px);
}

@keyframes pulse-tx {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.02); }
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

/* Audio Signal & Visualizer Card */
.signal-card {
  margin: 0.4rem 1.8rem 0.2rem 1.8rem;
  padding: 0.5rem 1.2rem;
  flex-shrink: 0;
}

.signal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.meter-track-mini {
  width: 140px;
  height: 12px;
  background: rgba(10, 13, 18, 0.95);
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--glass-border);
}

.meter-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #22c55e 0%, #38bdf8 65%, #f59e0b 85%, #ef4444 100%);
  border-radius: 9999px;
  transition: width 0.05s linear;
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.4);
}

.sync-status {
  font-weight: 700;
  color: var(--accent-cyan);
}

.visualizer-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.canvas-wrap {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #05070a;
  height: 80px;
}

.spectrum-canvas, .waterfall-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.viz-overlay-tag {
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 0.65rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.5px;
  pointer-events: none;
}

/* Full Width Main Viewport */
.main-viewport {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0.3rem 1.8rem 0.5rem 1.8rem;
  min-height: 0;
  overflow: hidden;
}

.stream-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.2rem;
  min-height: 0;
}

.card-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
  flex-shrink: 0;
}

.card-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
}

.btn-icon {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.messages-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1.1rem;
  background: var(--chat-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  min-height: 0;
}

/* Message bubbles */
.msg-bubble {
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-md);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  line-height: 1.35;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.msg-retransmittable {
  cursor: pointer;
  user-select: text;
}

.msg-retransmittable:hover {
  transform: translateY(-2px);
}

.msg-retransmittable:active {
  transform: translateY(0);
}

.msg-rx.msg-retransmittable:hover {
  border-color: rgba(34, 197, 94, 0.7);
  box-shadow: 0 4px 18px rgba(34, 197, 94, 0.25);
}

.msg-tx.msg-retransmittable:hover {
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 4px 18px rgba(56, 189, 248, 0.25);
}

.msg-cw.msg-retransmittable:hover {
  border-color: rgba(192, 132, 252, 0.7);
  box-shadow: 0 4px 18px rgba(192, 132, 252, 0.25);
}

.msg-rx {
  background: var(--msg-rx-bg);
  border: 1px solid rgba(34, 197, 94, 0.35);
  align-self: flex-start;
  max-width: 85%;
}

.msg-tx {
  background: var(--msg-tx-bg);
  border: 1px solid rgba(56, 189, 248, 0.35);
  align-self: flex-end;
  max-width: 85%;
}

.msg-cw {
  background: var(--msg-cw-bg);
  border: 1px solid rgba(192, 132, 252, 0.4);
  box-shadow: 0 0 16px rgba(192, 132, 252, 0.15);
  align-self: flex-start;
  max-width: 85%;
}

.msg-sys {
  background: var(--msg-sys-bg);
  border: 1px solid rgba(245, 158, 11, 0.35);
  align-self: center;
  max-width: 95%;
  font-size: 0.95rem;
}

.msg-meta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.9rem;
}

.msg-callsign {
  font-weight: 800;
  font-family: monospace;
  font-size: 1.15rem;
}

.msg-rx .msg-callsign { color: #4ade80; }
.msg-tx .msg-callsign { color: #38bdf8; }
.msg-cw .msg-callsign { color: #c084fc; }
.msg-sys .msg-callsign { color: #f59e0b; }
.msg-time { color: var(--text-muted); font-size: 0.85rem; }

.msg-badge-tag {
  background: rgba(255, 255, 255, 0.12);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 700;
}

.msg-cw .msg-badge-tag {
  background: rgba(192, 132, 252, 0.25);
  color: #e9d5ff;
}

.msg-body {
  font-size: 1.2rem;
  color: var(--text-primary);
  word-break: break-word;
}

[data-theme="light"] .msg-body {
  color: #0f172a;
}

.msg-link {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color 0.15s ease;
}

.msg-link:hover {
  filter: brightness(1.2);
  text-decoration: underline;
}

/* Real-Time Visit / Hit Counter Indicator */
.url-tracker-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.45);
  border-radius: 9999px;
  padding: 0.15rem 0.55rem;
  margin-left: 0.45rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: #7dd3fc;
  vertical-align: middle;
  user-select: none;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
  transition: all 0.25s ease;
}

.url-tracker-tag .tracker-icon {
  font-size: 0.78rem;
  color: #38bdf8;
}

.url-tracker-tag .tracker-count {
  color: #ffffff;
  font-family: monospace;
  font-size: 0.9rem;
}

.url-tracker-tag .tracker-label {
  color: #94a3b8;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.url-tracker-tag.updated {
  border-color: #22c55e;
  box-shadow: 0 0 16px rgba(34, 197, 94, 0.6);
  color: #86efac;
  transform: scale(1.08);
}

.url-tracker-tag.updated .tracker-icon {
  color: #22c55e;
}

.url-tracker-tag.updated .tracker-count {
  color: #4ade80;
}

/* Transmit input pinned at bottom */
.compose-bar-wrapper {
  margin-top: 0.8rem;
  flex-shrink: 0;
  position: relative;
}

.compose-bar {
  display: flex;
  gap: 0.9rem;
  align-items: center;
}

.emoji-picker-container {
  position: relative;
}

.btn-emoji-toggle {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 1.35rem;
  cursor: pointer;
  line-height: 1;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-emoji-toggle:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: scale(1.05);
}

.emoji-popup {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 0;
  width: 320px;
  background: rgba(20, 26, 38, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 0.8rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.emoji-popup.hidden {
  display: none !important;
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  max-height: 200px;
  overflow-y: auto;
}

.emoji-btn {
  background: rgba(255, 255, 255, 0.05);
  border: none;
  border-radius: 6px;
  font-size: 1.4rem;
  padding: 6px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.emoji-btn:hover {
  background: rgba(56, 189, 248, 0.25);
  transform: scale(1.15);
}

.compose-input {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.3rem;
  font-size: 1.2rem;
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s ease;
}

.compose-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.3);
}

.btn-primary {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.85rem 1.6rem;
  font-size: 1.15rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: 0 4px 18px rgba(34, 197, 94, 0.35);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(34, 197, 94, 0.5);
  transform: translateY(-1px);
}

.char-count-sub {
  display: flex;
  justify-content: flex-end;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.2rem;
  margin-bottom: 0.4rem;
  flex-shrink: 0;
}

/* URL Shortener Query Bar (url.w8jae.com) */
.shortener-bar {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  background: var(--input-bg);
  border: 1px dashed rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.8rem;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.shortener-bar:focus-within {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.2);
}

.shortener-icon {
  color: var(--accent-cyan);
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(56, 189, 248, 0.12);
  border-radius: 6px;
  flex-shrink: 0;
}

.shortener-input {
  flex: 1;
  background: transparent;
  border: none;
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
}

.shortener-input::placeholder {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.btn-shorten {
  background: linear-gradient(135deg, #0284c7, #0ea5e9);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.45rem 1rem;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 2px 10px rgba(14, 165, 233, 0.3);
  transition: all 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-shorten:hover {
  background: linear-gradient(135deg, #0369a1, #0284c7);
  box-shadow: 0 4px 14px rgba(14, 165, 233, 0.45);
  transform: translateY(-1px);
}

.btn-shorten:active {
  transform: translateY(1px);
}

.btn-shorten:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* -------------------------------------------------------------
   Settings Modal Dialog (Scrollable with Styled Scrollbar)
   ------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  transition: opacity 0.2s ease;
}

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

.modal-dialog {
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  background: var(--glass-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modal-enter 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-enter {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 1.2rem 1.6rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.modal-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.btn-modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
}

.btn-modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 1.4rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  overflow-y: auto;
  max-height: calc(85vh - 140px);
}

.modal-body::-webkit-scrollbar {
  width: 8px;
}

.modal-body::-webkit-scrollbar-track {
  background: rgba(10, 13, 20, 0.5);
  border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb {
  background: rgba(56, 189, 248, 0.4);
  border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
  background: rgba(56, 189, 248, 0.7);
}

.setting-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.checkbox-setting {
  flex-direction: column;
  gap: 0.2rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  cursor: pointer;
  user-select: none;
}

.setting-checkbox {
  width: 20px;
  height: 20px;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.setting-label {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.setting-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.input-field, .select-field {
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  outline: none;
}

.input-field:focus, .select-field:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.3);
}

.input-callsign {
  width: 140px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  font-family: monospace;
  font-size: 1.25rem;
  letter-spacing: 1px;
}

.modal-select {
  width: 100%;
}

.modal-footer {
  padding: 1.2rem 1.6rem;
  border-top: 1px solid var(--glass-border);
  background: var(--chat-bg);
}

/* -------------------------------------------------------------
   Exact RxMoni / DevByJae Footer Design
   ------------------------------------------------------------- */
.rxmoni-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--footer-border);
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-shrink: 0;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.rxmoni-footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  text-align: center;
}

.dev-logo-link {
  display: inline-block;
  transition: transform 0.15s ease;
}

.dev-logo-link:hover {
  transform: scale(1.04);
}

.dev-logo-img {
  margin: 0 auto;
  height: auto;
  width: 110px;
  display: block;
  transition: filter 0.1s ease-out;
}

.rxmoni-footer-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.labs-text {
  color: #94a3b8;
  font-weight: 600;
  letter-spacing: 0.025em;
  font-size: 0.78rem;
}

.link-cyan {
  color: #06b6d4;
  text-decoration: none;
  transition: color 0.15s ease;
}

.link-cyan:hover {
  color: #22d3ee;
}

.branding-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.badge-brand {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-icon-box {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(6, 182, 212, 0.2);
  color: #22d3ee;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
}

.brand-name {
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
}

.bullet-sep {
  color: #334155;
}

.copyright-text {
  font-size: 0.75rem;
  color: #64748b;
}

/* Scrollbars */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: rgba(10, 13, 20, 0.4); border-radius: 5px; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.18); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.3); }

/* Software Updates / OTA UI Styling */
.update-setting-card {
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 0.5rem;
}

.update-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ota-version-tag {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
  font-family: monospace;
}

.btn-check-update {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.btn-check-update:hover {
  background: rgba(56, 189, 248, 0.28);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
}

.ota-status-box {
  margin-top: 0.8rem;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
}

.ota-status-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.ota-notes-box {
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: pre-line;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
  line-height: 1.4;
  border-left: 3px solid var(--accent-cyan);
}

.btn-apply-ota {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.2rem;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
  transition: all 0.2s ease;
  width: 100%;
  justify-content: center;
}

.btn-apply-ota:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}


/* -------------------------------------------------------------
   Web Edition Persistent Features (Call to Action Banner & Version Tag)
   ------------------------------------------------------------- */
.desktop-promo-banner {
  margin-top: 1.25rem;
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
}

.promo-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.promo-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
  min-width: 280px;
}

.promo-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.25), rgba(59, 130, 246, 0.25));
  border: 1px solid var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.promo-title {
  margin: 0 0 0.25rem 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.promo-desc {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.promo-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.btn-promo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-promo-win {
  background: linear-gradient(135deg, #0284c7, #2563eb);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-promo-linux {
  background: linear-gradient(135deg, #d97706, #ea580c);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(234, 88, 12, 0.3);
}

.btn-promo-arch {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.btn-promo:hover {
  transform: translateY(-2px);
  filter: brightness(1.15);
}

.rxmoni-footer-inner {
  position: relative;
}

.footer-version-tag {
  position: absolute;
  right: 1.5rem;
  bottom: 0.75rem;
}

.footer-version-tag .version-label {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.35);
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

@media (max-width: 768px) {
  .footer-version-tag {
    position: static;
    margin-top: 0.5rem;
    text-align: center;
  }
}

/* -------------------------------------------------------------
   Footer Desktop Download Action Buttons Flanking DevByJae Logo
   ------------------------------------------------------------- */
.footer-centerpiece-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  width: 100%;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.footer-btn-side {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-btn-side-left {
  justify-content: flex-end;
}

.footer-btn-side-right {
  justify-content: flex-start;
}

@media (max-width: 768px) {
  .footer-centerpiece-row {
    flex-direction: column;
    gap: 1rem;
  }
  .footer-btn-side {
    justify-content: center;
  }
}

/* Force desktop download action buttons to the far left and far right of the footer */
.footer-centerpiece-row {
  display: flex;
  align-items: center;
  justify-content: space-between !important;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto 0.75rem auto;
  padding: 0 1rem;
}

.footer-btn-side {
  flex: 1;
  display: flex;
  align-items: center;
}

.footer-btn-side-left {
  justify-content: flex-start !important;
}

.footer-btn-side-right {
  justify-content: flex-end !important;
}

.dev-logo-link {
  flex-shrink: 0;
  margin: 0 1.5rem;
}

@media (max-width: 768px) {
  .footer-centerpiece-row {
    flex-direction: column;
    justify-content: center !important;
    gap: 1rem;
    padding: 0;
  }
  .footer-btn-side-left,
  .footer-btn-side-right {
    justify-content: center !important;
  }
  .dev-logo-link {
    margin: 0.5rem 0;
  }
}

/* Dual Tools: 50% URL Shortener + 50% Image Uploader & Shortener */
.tools-dual-row {
  display: flex;
  gap: 0.8rem;
  width: 100%;
  margin-top: 0.6rem;
  flex-shrink: 0;
}

.tool-half {
  flex: 1 1 50%;
  width: 50%;
  display: flex;
  gap: 0.6rem;
  align-items: center;
  background: var(--input-bg);
  border: 1px dashed rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.8rem;
  transition: all 0.2s ease;
  min-width: 0;
}

.tool-half:focus-within {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.2);
}

.image-uploader-bar {
  border-color: rgba(168, 85, 247, 0.4);
}

.image-uploader-bar:focus-within,
.image-uploader-bar.dragover {
  border-color: var(--accent-purple);
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.25);
}

.uploader-icon {
  color: var(--accent-purple);
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(168, 85, 247, 0.15);
  border-radius: 6px;
  flex-shrink: 0;
}

.image-upload-trigger {
  flex: 1;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  user-select: none;
}

.image-upload-trigger:hover .image-upload-label {
  color: var(--accent-cyan);
}

.image-upload-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-upload-image {
  background: linear-gradient(135deg, #7c3aed, #9333ea);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 2px 10px rgba(147, 51, 234, 0.35);
  transition: all 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-upload-image:hover {
  background: linear-gradient(135deg, #6d28d9, #7c3aed);
  box-shadow: 0 4px 14px rgba(147, 51, 234, 0.5);
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .tools-dual-row {
    flex-direction: column;
  }
  .tool-half {
    width: 100%;
    flex: 1 1 100%;
  }
}