/*
 * TRONT Custom Themes for Chirpy Blog
 *
 * Two-attribute system:
 *   data-mode="dark" (Chirpy base) + data-theme="tront-*" (accent overrides)
 *
 * Loaded AFTER Chirpy gem CSS - wins by cascade order.
 */


/* ============================================================
   Theme Picker Button (works in ALL themes)
   ============================================================ */

#theme-picker {
  width: 100%;
  padding: 0 1.25rem;
  margin-bottom: 0.75rem;
}

#theme-picker #mode-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--main-border-color, rgba(255, 255, 255, 0.12));
  border-radius: 10px;
  background: var(--sidebar-btn-bg, #232328);
  color: var(--sidebar-btn-color, #a0a0a0);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
  outline: none;
}

#theme-picker #mode-toggle:hover {
  background: var(--sidebar-hover-bg, #2a2a2f);
  border-color: var(--tront-accent, rgba(255, 255, 255, 0.25));
  color: var(--heading-color, #fff);
}

#theme-picker #mode-toggle .theme-icon {
  font-size: 1rem;
  width: 1.2rem;
  text-align: center;
  flex-shrink: 0;
}

#theme-picker .theme-label {
  flex: 1;
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

#theme-picker .theme-next {
  font-size: 0.7rem;
  opacity: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: opacity 0.2s ease;
  color: var(--text-muted-color, #868686);
}

#theme-picker #mode-toggle:hover .theme-next {
  opacity: 1;
}

/* Light mode picker styling */
html[data-mode="light"] #theme-picker #mode-toggle {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.1);
  color: #555;
}
html[data-mode="light"] #theme-picker #mode-toggle:hover {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.2);
  color: #333;
}


/* ============================================================
   TRONT Cyan - EOS-Native style (#00f0ff cyan + #FF5733 orange)
   ============================================================ */

html[data-theme="tront-cyan"] {
  --tront-accent: #00f0ff;
  --tront-accent-glow: rgba(0, 240, 255, 0.5);
  --tront-accent-secondary: #FF5733;

  --main-bg: #0a0e14;
  --mask-bg: rgb(20 30 40);
  --main-border-color: rgba(0, 240, 255, 0.15);

  --link-color: #00f0ff;
  --link-underline-color: rgba(0, 240, 255, 0.3);
  --heading-color: #e0f7ff;
  --text-color: #b0c4d8;
  --text-muted-color: #6a8da8;
  --label-color: #8ab4d0;

  --sidebar-bg: #060a10;
  --sidebar-border-color: rgba(0, 240, 255, 0.1);
  --sidebar-active-color: #00f0ff;
  --sidebar-hover-bg: rgba(0, 240, 255, 0.08);
  --sidebar-btn-bg: rgba(0, 240, 255, 0.06);
  --sidebar-btn-color: #00f0ff;
  --site-title-color: #00f0ff;
  --site-subtitle-color: #6a8da8;
  --avatar-border-color: rgba(0, 240, 255, 0.6);

  --topbar-bg: rgba(10, 14, 20, 0.8);
  --search-border-color: rgba(0, 240, 255, 0.2);
  --input-focus-border-color: #00f0ff;

  --card-bg: rgba(10, 18, 28, 0.9);
  --card-header-bg: rgba(0, 240, 255, 0.05);
  --card-hover-bg: rgba(0, 240, 255, 0.1);
  --card-shadow: 0 4px 20px rgba(0, 240, 255, 0.08), 0 0 0 1px rgba(0, 240, 255, 0.1);

  --tag-border: rgba(0, 240, 255, 0.25);
  --tag-hover: rgba(0, 240, 255, 0.15);
  --categories-border: rgba(0, 240, 255, 0.12);
  --categories-hover-bg: rgba(0, 240, 255, 0.12);

  --toc-highlight: #00f0ff;

  --button-bg: rgba(0, 240, 255, 0.06);
  --btn-border-color: rgba(0, 240, 255, 0.2);

  --highlight-bg-color: #060c14;
  --inline-code-bg: rgba(0, 240, 255, 0.08);
  --highlighter-rouge-color: #7fdbff;

  --prompt-tip-bg: rgba(0, 240, 255, 0.1);
  --prompt-tip-icon-color: #00f0ff;
  --prompt-info-bg: rgba(0, 140, 255, 0.15);
  --prompt-info-icon-color: #00a8ff;
}


/* ============================================================
   TRONT Purple - SnapScan style (#a855f7 purple + #6366f1 indigo)
   ============================================================ */

html[data-theme="tront-purple"] {
  --tront-accent: #a855f7;
  --tront-accent-glow: rgba(168, 85, 247, 0.5);
  --tront-accent-secondary: #6366f1;

  --main-bg: #0d0a14;
  --mask-bg: rgb(30 20 40);
  --main-border-color: rgba(168, 85, 247, 0.15);

  --link-color: #c084fc;
  --link-underline-color: rgba(168, 85, 247, 0.3);
  --heading-color: #f0e0ff;
  --text-color: #c4b0d8;
  --text-muted-color: #8a6da8;
  --label-color: #b494d0;

  --sidebar-bg: #08060e;
  --sidebar-border-color: rgba(168, 85, 247, 0.1);
  --sidebar-active-color: #c084fc;
  --sidebar-hover-bg: rgba(168, 85, 247, 0.08);
  --sidebar-btn-bg: rgba(168, 85, 247, 0.06);
  --sidebar-btn-color: #a855f7;
  --site-title-color: #c084fc;
  --site-subtitle-color: #8a6da8;
  --avatar-border-color: rgba(168, 85, 247, 0.6);

  --topbar-bg: rgba(13, 10, 20, 0.8);
  --search-border-color: rgba(168, 85, 247, 0.2);
  --input-focus-border-color: #a855f7;

  --card-bg: rgba(16, 10, 28, 0.9);
  --card-header-bg: rgba(168, 85, 247, 0.05);
  --card-hover-bg: rgba(168, 85, 247, 0.1);
  --card-shadow: 0 4px 20px rgba(168, 85, 247, 0.08), 0 0 0 1px rgba(168, 85, 247, 0.1);

  --tag-border: rgba(168, 85, 247, 0.25);
  --tag-hover: rgba(168, 85, 247, 0.15);
  --categories-border: rgba(168, 85, 247, 0.12);
  --categories-hover-bg: rgba(168, 85, 247, 0.12);

  --toc-highlight: #c084fc;

  --button-bg: rgba(168, 85, 247, 0.06);
  --btn-border-color: rgba(168, 85, 247, 0.2);

  --highlight-bg-color: #0a060e;
  --inline-code-bg: rgba(168, 85, 247, 0.08);
  --highlighter-rouge-color: #d8b4fe;

  --prompt-tip-bg: rgba(168, 85, 247, 0.1);
  --prompt-tip-icon-color: #a855f7;
  --prompt-info-bg: rgba(99, 102, 241, 0.15);
  --prompt-info-icon-color: #818cf8;
}


/* ============================================================
   TRONT Ember - Dark burnt orange (#f97316 orange + #dc2626 red)
   ============================================================ */

html[data-theme="tront-ember"] {
  --tront-accent: #f97316;
  --tront-accent-glow: rgba(249, 115, 22, 0.5);
  --tront-accent-secondary: #dc2626;

  --main-bg: #110a04;
  --mask-bg: rgb(30 18 8);
  --main-border-color: rgba(249, 115, 22, 0.15);

  --link-color: #fb923c;
  --link-underline-color: rgba(249, 115, 22, 0.3);
  --heading-color: #fff1e0;
  --text-color: #d4b898;
  --text-muted-color: #a07850;
  --label-color: #c49a70;

  --sidebar-bg: #0c0704;
  --sidebar-border-color: rgba(249, 115, 22, 0.1);
  --sidebar-active-color: #fb923c;
  --sidebar-hover-bg: rgba(249, 115, 22, 0.08);
  --sidebar-btn-bg: rgba(249, 115, 22, 0.06);
  --sidebar-btn-color: #f97316;
  --site-title-color: #fb923c;
  --site-subtitle-color: #a07850;
  --avatar-border-color: rgba(249, 115, 22, 0.6);

  --topbar-bg: rgba(17, 10, 4, 0.8);
  --search-border-color: rgba(249, 115, 22, 0.2);
  --input-focus-border-color: #f97316;

  --card-bg: rgba(20, 12, 6, 0.9);
  --card-header-bg: rgba(249, 115, 22, 0.05);
  --card-hover-bg: rgba(249, 115, 22, 0.1);
  --card-shadow: 0 4px 20px rgba(249, 115, 22, 0.08), 0 0 0 1px rgba(249, 115, 22, 0.1);

  --tag-border: rgba(249, 115, 22, 0.25);
  --tag-hover: rgba(249, 115, 22, 0.15);
  --categories-border: rgba(249, 115, 22, 0.12);
  --categories-hover-bg: rgba(249, 115, 22, 0.12);

  --toc-highlight: #fb923c;

  --button-bg: rgba(249, 115, 22, 0.06);
  --btn-border-color: rgba(249, 115, 22, 0.2);

  --highlight-bg-color: #0e0804;
  --inline-code-bg: rgba(249, 115, 22, 0.08);
  --highlighter-rouge-color: #fdba74;

  --prompt-tip-bg: rgba(249, 115, 22, 0.1);
  --prompt-tip-icon-color: #f97316;
  --prompt-info-bg: rgba(220, 38, 38, 0.12);
  --prompt-info-icon-color: #ef4444;
  --prompt-warning-bg: rgba(249, 115, 22, 0.2);
  --prompt-warning-icon-color: #f97316;
  --prompt-danger-bg: rgba(220, 38, 38, 0.2);
  --prompt-danger-icon-color: #dc2626;
}


/* ============================================================
   Shared TRONT Effects (apply to all custom themes)
   ============================================================ */

html[data-theme="tront-cyan"],
html[data-theme="tront-purple"],
html[data-theme="tront-ember"] {

  /* --- Glowing Avatar --- */
  #sidebar #avatar > img {
    border: 2px solid var(--avatar-border-color);
    box-shadow: 0 0 16px var(--tront-accent-glow);
    transition: box-shadow 0.3s ease;
  }
  #sidebar #avatar:hover > img {
    box-shadow: 0 0 28px var(--tront-accent-glow);
  }

  /* --- Gradient Headings --- */
  #main-wrapper h1,
  #main-wrapper h2 {
    background: linear-gradient(135deg, var(--tront-accent), var(--tront-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* --- Glowing Sidebar Active Item --- */
  #sidebar .nav-item.active .nav-link {
    color: var(--sidebar-active-color) !important;
    text-shadow: 0 0 10px var(--tront-accent-glow);
  }

  /* --- Glass Morphism Post Cards --- */
  .card {
    background: var(--card-bg) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--main-border-color) !important;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
  }
  .card:hover {
    box-shadow: 0 0 24px var(--tront-accent-glow);
    border-color: var(--tront-accent) !important;
  }

  /* --- Glowing Card Hover for Post List --- */
  .post-preview {
    transition: box-shadow 0.3s ease;
    border-radius: 0.75rem;
  }
  .post-preview:hover {
    box-shadow: 0 0 20px var(--tront-accent-glow);
  }

  /* --- Sidebar border glow --- */
  #sidebar {
    border-right: 1px solid var(--sidebar-border-color);
  }

  /* --- Accent scrollbar --- */
  ::-webkit-scrollbar-thumb {
    background: var(--tront-accent) !important;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: var(--tront-accent-secondary) !important;
  }
  ::-webkit-scrollbar-track {
    background: var(--main-bg) !important;
  }

  /* --- TOC accent --- */
  #toc-wrapper .toc-link.active {
    color: var(--tront-accent) !important;
    border-left-color: var(--tront-accent) !important;
  }

  /* --- Theme picker accent --- */
  #theme-picker #mode-toggle {
    border-color: var(--tront-accent) !important;
    color: var(--tront-accent) !important;
  }
  #theme-picker #mode-toggle .theme-icon {
    text-shadow: 0 0 8px var(--tront-accent-glow);
  }
}

/* Per-theme picker glow (can't use var in rgba, so hardcode) */
html[data-theme="tront-cyan"] #theme-picker #mode-toggle {
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.12);
}
html[data-theme="tront-cyan"] #theme-picker #mode-toggle:hover {
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.25);
}
html[data-theme="tront-purple"] #theme-picker #mode-toggle {
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.12);
}
html[data-theme="tront-purple"] #theme-picker #mode-toggle:hover {
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.25);
}
html[data-theme="tront-ember"] #theme-picker #mode-toggle {
  box-shadow: 0 0 10px rgba(249, 115, 22, 0.12);
}
html[data-theme="tront-ember"] #theme-picker #mode-toggle:hover {
  box-shadow: 0 0 16px rgba(249, 115, 22, 0.25);
}


/* ============================================================
   Navbar Theme Button - per-theme overrides
   ============================================================ */

/* Light mode navbar */
html[data-mode="light"] #magic-navbar-container {
  background-color: rgba(240, 240, 245, 0.85);
  border-bottom-color: rgba(0, 0, 0, 0.1);
}
html[data-mode="light"] #magic-navbar-container .nav-link {
  background-color: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.1);
  color: #444;
}
html[data-mode="light"] #magic-navbar-container .nav-link:hover {
  background-color: rgba(0, 0, 0, 0.12);
  border-color: rgba(0, 0, 0, 0.2);
  color: #111;
}
html[data-mode="light"] #magic-navbar-container .nav-link.active {
  color: #fff;
  background-color: #a855f7;
  border-color: #a855f7;
}

/* Cyan navbar */
html[data-theme="tront-cyan"] #magic-navbar-container {
  background-color: rgba(6, 12, 20, 0.75);
  border-bottom-color: rgba(0, 240, 255, 0.15);
}
html[data-theme="tront-cyan"] #magic-navbar-container .nav-link {
  background-color: rgba(0, 240, 255, 0.06);
  border-color: rgba(0, 240, 255, 0.12);
}
html[data-theme="tront-cyan"] #magic-navbar-container .nav-link:hover {
  background-color: rgba(0, 240, 255, 0.12);
  border-color: rgba(0, 240, 255, 0.25);
}
html[data-theme="tront-cyan"] #magic-navbar-container .nav-link.active {
  color: #00f0ff;
  background-color: rgba(0, 240, 255, 0.1);
  border-color: #00f0ff;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}
html[data-theme="tront-cyan"] #magic-navbar-container #tront-theme-btn {
  color: #00f0ff;
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.12);
}
html[data-theme="tront-cyan"] #magic-navbar-container #tront-theme-btn:hover {
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
}

/* Purple navbar */
html[data-theme="tront-purple"] #magic-navbar-container {
  background-color: rgba(10, 8, 18, 0.75);
  border-bottom-color: rgba(168, 85, 247, 0.15);
}
html[data-theme="tront-purple"] #magic-navbar-container .nav-link {
  background-color: rgba(168, 85, 247, 0.06);
  border-color: rgba(168, 85, 247, 0.12);
}
html[data-theme="tront-purple"] #magic-navbar-container .nav-link:hover {
  background-color: rgba(168, 85, 247, 0.12);
  border-color: rgba(168, 85, 247, 0.25);
}
html[data-theme="tront-purple"] #magic-navbar-container .nav-link.active {
  color: #c084fc;
  background-color: rgba(168, 85, 247, 0.1);
  border-color: #a855f7;
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.2);
}
html[data-theme="tront-purple"] #magic-navbar-container #tront-theme-btn {
  color: #a855f7;
  border-color: rgba(168, 85, 247, 0.3);
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.12);
}
html[data-theme="tront-purple"] #magic-navbar-container #tront-theme-btn:hover {
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.3);
}

/* Ember navbar */
html[data-theme="tront-ember"] #magic-navbar-container {
  background-color: rgba(14, 8, 4, 0.75);
  border-bottom-color: rgba(249, 115, 22, 0.15);
}
html[data-theme="tront-ember"] #magic-navbar-container .nav-link {
  background-color: rgba(249, 115, 22, 0.06);
  border-color: rgba(249, 115, 22, 0.12);
}
html[data-theme="tront-ember"] #magic-navbar-container .nav-link:hover {
  background-color: rgba(249, 115, 22, 0.12);
  border-color: rgba(249, 115, 22, 0.25);
}
html[data-theme="tront-ember"] #magic-navbar-container .nav-link.active {
  color: #fb923c;
  background-color: rgba(249, 115, 22, 0.1);
  border-color: #f97316;
  box-shadow: 0 0 10px rgba(249, 115, 22, 0.2);
}
html[data-theme="tront-ember"] #magic-navbar-container #tront-theme-btn {
  color: #f97316;
  border-color: rgba(249, 115, 22, 0.3);
  box-shadow: 0 0 8px rgba(249, 115, 22, 0.12);
}
html[data-theme="tront-ember"] #magic-navbar-container #tront-theme-btn:hover {
  box-shadow: 0 0 16px rgba(249, 115, 22, 0.3);
}