/* =========================================================
   Your Rhythm Studio — Satellite Pages Shared Styles
   Covers: index.html, about.html, help.html, setup.html
   ========================================================= */

/* ── CSS Custom Properties (dark default) ── */
:root {
  --s-bg:       #0D1117;
  --s-bg2:      #161B22;
  --s-bg3:      #1C2333;
  --s-bg4:      #21262D;
  --s-border:   rgba(0, 230, 118, 0.12);
  --s-border2:  rgba(0, 188, 212, 0.15);
  --s-green:    #00E676;
  --s-green-dim:rgba(0, 230, 118, 0.08);
  --s-cyan:     #00BCD4;
  --s-cyan-dim: rgba(0, 188, 212, 0.08);
  --s-amber:    #FFD740;
  --s-red:      #FF5252;
  --s-purple:   #B388FF;
  --s-text:     #E6EDF3;
  --s-muted:    #8B949E;
  --s-faint:    #484F58;
  --s-html-bg:  #060A10;

  --s-nav-bg:   var(--s-bg2);
  --s-nav-border: var(--s-border);
  --s-footer-border: rgba(255,255,255,0.04);
  --s-footer-color: var(--s-faint);
}

/* ── Light theme overrides ── */
[data-theme="light"] {
  --s-bg:       #F0F4F8;
  --s-bg2:      #FFFFFF;
  --s-bg3:      #F8FAFC;
  --s-bg4:      #E2E8F0;
  --s-border:   rgba(0, 0, 0, 0.08);
  --s-border2:  rgba(14, 165, 167, 0.15);
  --s-green:    #16A34A;
  --s-green-dim:rgba(22, 163, 74, 0.08);
  --s-cyan:     #0EA5A7;
  --s-cyan-dim: rgba(14, 165, 167, 0.08);
  --s-amber:    #B45309;
  --s-red:      #D32F2F;
  --s-purple:   #7E57C2;
  --s-text:     #1E293B;
  --s-muted:    #475569;
  --s-faint:    #64748B;
  --s-html-bg:  #CBD5E1;

  --s-nav-bg:   #FFFFFF;
  --s-nav-border: rgba(0,0,0,0.08);
  --s-footer-border: rgba(0,0,0,0.06);
  --s-footer-color: #64748B;
}

/* ── Base reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  background: var(--s-html-bg);
  min-height: 100%;
  transition: background 0.2s;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--s-bg);
  color: var(--s-text);
  font-size: 14px;
  line-height: 1.7;
  min-height: 100vh;
  transition: background 0.2s, color 0.2s;
}

/* ── Top nav bar ── */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 46px;
  background: var(--s-nav-bg);
  border-bottom: 1px solid var(--s-nav-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background 0.2s, border-color 0.2s;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand-logo {
  height: 28px;
  width: auto;
  content: url('./assets/icons/b1_transparent_white.png');
}

[data-theme="light"] .brand-logo {
  content: url('./assets/icons/b1_transparent_black.png');
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-nav a {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--s-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.top-nav a:hover  { color: var(--s-cyan); }
.top-nav a.active { color: var(--s-green); }

/* ── Theme toggle button ── */
.sat-theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: none;
  border: 1px solid var(--s-border);
  border-radius: 6px;
  cursor: pointer;
  color: var(--s-muted);
  margin-left: 12px;
  transition: all 0.15s;
  flex-shrink: 0;
}
.sat-theme-btn:hover {
  color: var(--s-cyan);
  border-color: var(--s-cyan);
}

/* ── Footer ── */
.sat-footer {
  border-top: 1px solid var(--s-footer-border);
  padding: 20px 24px;
  text-align: center;
  font-size: 10px;
  color: var(--s-footer-color);
  transition: border-color 0.2s, color 0.2s;
}
.sat-footer a {
  color: var(--s-footer-color);
  text-decoration: none;
  transition: color 0.15s;
}
.sat-footer a:hover { color: var(--s-cyan); }

/* ── Shared callout / code / badge primitives ── */
code {
  background: var(--s-bg3);
  border: 1px solid var(--s-border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: 'SF Mono', 'Monaco', monospace;
  font-size: 11px;
  color: var(--s-green);
}

.callout {
  border-left: 3px solid var(--s-cyan);
  background: var(--s-cyan-dim);
  border-radius: 0 6px 6px 0;
  padding: 10px 14px;
  margin: 12px 0;
  font-size: 12px;
  color: var(--s-text);
}
.callout.warn   { border-color: var(--s-amber); background: rgba(255,215,64,0.05); }
.callout.danger { border-color: var(--s-red);   background: rgba(255,82,82,0.05); }
.callout.tip    { border-color: var(--s-green);  background: var(--s-green-dim); }

/* ── Mobile Dashboard Modal ── */
#mobile-dashboard-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.mobile-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.mobile-modal-content {
  position: relative;
  background: var(--s-bg2);
  border: 1px solid var(--s-border);
  border-radius: 12px;
  padding: 32px 24px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: modalSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.mobile-modal-icon {
  font-size: 48px;
  margin-bottom: 16px;
  line-height: 1;
}

.mobile-modal-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--s-cyan);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.mobile-modal-content p {
  font-size: 14px;
  color: var(--s-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

.mobile-modal-close-btn {
  margin-top: 20px;
  padding: 12px 32px;
  background: var(--s-cyan);
  color: #0D1117;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mobile-modal-close-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 188, 212, 0.3);
}

.mobile-modal-close-btn:active {
  transform: translateY(0);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--s-faint); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--s-muted); }