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

/* Ensure hidden attribute always works even when CSS sets display */
[hidden] { display: none !important; }

:root {
  --bg: #ffffff;
  --surface: #f5f5f5;
  --text: #1a1a1a;
  --dim: #888;
  --accent: #2563eb;
  --danger: #dc2626;
  --code-bg: #f0f0f0;
  --code-border: #ddd;
  --advice-font-size: 14px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  -webkit-text-size-adjust: 100%;
  padding: 0;
}

#app {
  max-width: 600px;
  margin: 0 auto;
  padding: calc(16px + env(safe-area-inset-top))
           calc(16px + env(safe-area-inset-right))
           calc(16px + env(safe-area-inset-bottom))
           calc(16px + env(safe-area-inset-left));
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid #e0e0e0;
  flex-shrink: 0;
}

header h1 { font-size: 18px; font-weight: 600; }

#header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

#status {
  font-size: 13px;
  color: var(--dim);
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--surface);
}
#status.live { color: var(--accent); }
#status.error { color: var(--danger); }

/* Text size controls */
#text-size-controls {
  display: flex;
  gap: 4px;
}

.size-btn {
  background: var(--surface);
  color: var(--text);
  border: 1px solid #ccc;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  min-width: 32px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.size-btn:active { opacity: 0.7; }

/* Auth */
#auth-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

#token-input {
  background: var(--surface);
  border: 1px solid #ccc;
  color: var(--text);
  padding: 12px;
  border-radius: 8px;
  font-size: 16px; /* prevents iOS zoom */
  outline: none;
}
#token-input:focus { border-color: var(--accent); }

button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 14px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
button:active { opacity: 0.8; }

#session-buttons {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  padding-top: 4px;
}

#session-buttons button {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  min-height: 52px;
}

#nudge-btn {
  flex: 1;
  background: #0d9488;
  color: #fff;
  padding: 16px 14px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
}
#nudge-btn:active { opacity: 0.7; }

#nudge-btn.keep-mode {
  background: #2563eb;
}
#nudge-btn.kept {
  background: #16a34a;
}
#nudge-btn.follow-up-mode {
  background: #7c3aed;
}

#back-btn {
  flex: 0 0 auto;
  background: var(--surface);
  color: var(--text);
  border: 1px solid #ccc;
  padding: 16px 16px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
#back-btn:active { opacity: 0.7; }

#hint-btn {
  flex: 0 0 auto;
  background: #f59e0b;
  color: #fff;
  border: none;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
}
#hint-btn:active { opacity: 0.7; }

#chat-btn {
  flex: 0 0 auto;
  background: var(--surface);
  color: var(--text);
  border: 1px solid #ccc;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}
#chat-btn:active { opacity: 0.7; }

#chat-bar {
  display: flex;
  gap: 6px;
  padding-bottom: 4px;
}
#chat-input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 15px;
  background: var(--surface);
  color: var(--text);
}
#chat-send {
  flex: 0 0 auto;
  background: #0d9488;
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
}
#chat-close {
  flex: 0 0 auto;
  background: var(--surface);
  color: var(--text);
  border: 1px solid #ccc;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 15px;
}

#stop-btn {
  background: var(--danger);
  color: #fff;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  min-width: 32px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

#analysis-toggle {
  flex: 0 0 auto;
  background: var(--surface);
  color: var(--dim);
  border: 1px solid #ccc;
  padding: 16px 20px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
#analysis-toggle:active { opacity: 0.7; }
#analysis-toggle.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

#resume-btn {
  background: #2563eb;
  color: #fff;
}

/* Session */
#session-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 12px;
  overflow: hidden;
}

/* Transcript is hidden during call for maximum advice readability */
#transcript {
  display: none;
}

/* Toggle button (generic) */
.toggle-btn {
  background: var(--surface);
  color: var(--dim);
  border: 1px solid #ccc;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  min-width: 32px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.toggle-btn:active { opacity: 0.7; }
.toggle-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Advice wrapper with scroll-to-bottom button */
#advice-wrapper {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

#advice {
  background: var(--surface);
  border-radius: 8px;
  padding: 16px;
  font-size: var(--advice-font-size);
  line-height: 1.75;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  flex: 1;
  color: var(--text);
  font-weight: 400;
}

/* Analysis panel (markdown from GPT analysis) */
#analysis {
  background: var(--surface);
  border-radius: 8px;
  padding: 16px;
  font-size: var(--advice-font-size);
  line-height: 1.7;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  flex: 1;
  color: var(--text);
}

.analysis-loading {
  text-align: center;
  color: var(--dim);
  padding: 32px 0;
  font-size: 15px;
}

.analysis-error {
  color: var(--danger);
  padding: 16px;
  font-size: 14px;
}

/* Debug panel */
#debug-toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #6b7280;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}
#debug-toggle-label input {
  accent-color: #6b7280;
  width: 14px;
  height: 14px;
  cursor: pointer;
}
#debug-btn {
  background: #6b7280;
  color: #fff;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  min-width: 32px;
}

#debug-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0,0,0,0.95);
  display: flex;
  flex-direction: column;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

#debug-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  border-bottom: 1px solid #333;
  flex-shrink: 0;
}

#debug-header button {
  background: #374151;
  color: #fff;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  margin-left: 6px;
}

#debug-header div {
  display: flex;
  gap: 4px;
}

#debug-log {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 12px 16px;
  color: #e5e7eb;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 11px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
}

/* Real-time plain text advice blocks */
#advice .rt-block {
  padding: 10px 0;
  border-bottom: 1px solid #e0e0e0;
  line-height: 1.8;
  letter-spacing: 0.01em;
}
#advice .rt-block:last-child {
  border-bottom: none;
}

#advice hr {
  border: none;
  border-top: 1px solid #ddd;
  margin: 12px 0;
}

/* Scroll-to-bottom floating button */
#scroll-bottom-btn {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(37, 99, 235, 0.9);
  color: #fff;
  border: none;
  padding: 6px 16px;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  -webkit-tap-highlight-color: transparent;
  transition: opacity 0.2s;
}
#scroll-bottom-btn:active { opacity: 0.7; }

/* --- Markdown content styles inside #advice and #analysis --- */
#advice .md-block,
#analysis .md-block { margin-bottom: 4px; }

#advice .md-block p,
#analysis .md-block p { margin: 0 0 8px 0; }
#advice .md-block p:last-child,
#analysis .md-block p:last-child { margin-bottom: 0; }

#advice .md-block h1, #advice .md-block h2, #advice .md-block h3, #advice .md-block h4,
#analysis .md-block h1, #analysis .md-block h2, #analysis .md-block h3, #analysis .md-block h4 {
  color: var(--text);
  margin: 12px 0 6px 0;
  line-height: 1.3;
}
#advice .md-block h1, #analysis .md-block h1 { font-size: 1.3em; }
#advice .md-block h2, #analysis .md-block h2 { font-size: 1.15em; }
#advice .md-block h3, #analysis .md-block h3 { font-size: 1.05em; }

#advice .md-block strong, #analysis .md-block strong { color: var(--text); }

#advice .md-block code, #analysis .md-block code {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 3px;
  padding: 1px 5px;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 0.9em;
  color: #d63384;
  word-break: break-word;
}

#advice .md-block pre, #analysis .md-block pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 6px;
  padding: 10px 12px;
  margin: 8px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

#advice .md-block pre code, #analysis .md-block pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 0.85em;
  line-height: 1.5;
  white-space: pre;
  word-break: normal;
}

/* highlight.js overrides inside analysis */
#analysis .md-block pre code.hljs {
  background: none;
  padding: 0;
}
#analysis .md-block pre code .hljs-comment {
  color: #6a737d;
  font-style: italic;
}
#analysis .md-block pre code .hljs-keyword {
  color: #d73a49;
}
#analysis .md-block pre code .hljs-string {
  color: #032f62;
}
#analysis .md-block pre code .hljs-number {
  color: #005cc5;
}
#analysis .md-block pre code .hljs-built_in,
#analysis .md-block pre code .hljs-title {
  color: #6f42c1;
}

#advice .md-block ul, #advice .md-block ol,
#analysis .md-block ul, #analysis .md-block ol {
  padding-left: 20px;
  margin: 6px 0;
}

#advice .md-block li, #analysis .md-block li { margin: 2px 0; }

#advice .md-block blockquote, #analysis .md-block blockquote {
  border-left: 3px solid #ccc;
  padding-left: 10px;
  margin: 8px 0;
  color: var(--dim);
}

#advice .md-block a, #analysis .md-block a {
  color: #60a5fa;
  text-decoration: underline;
}

/* --- Landscape orientation adjustments --- */
@media (orientation: landscape) {
  #app {
    max-width: 100%;
    padding: 8px 24px;
  }

  #session-screen {
    gap: 8px;
  }

  #advice-wrapper {
    flex: 1;
    min-height: 0;
    height: calc(100dvh - 120px);
  }

  #stop-btn {
    margin-top: 4px;
    padding: 10px;
  }
}

/* Small screen portrait tweaks */
@media (max-width: 380px) {
  #app { padding: 10px; }
  header h1 { font-size: 16px; }
  #transcript, #advice { padding: 8px; font-size: 13px; }
}

/* --- Session Picker --- */
#session-picker {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 16px;
}

#new-session-btn {
  width: 100%;
}

#session-list {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.session-empty {
  text-align: center;
  color: var(--dim);
  padding: 24px 0;
  font-size: 14px;
}

.session-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: var(--surface);
  border-radius: 8px;
  margin-bottom: 8px;
}

.session-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.session-id {
  font-family: "SF Mono", "Menlo", monospace;
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

.session-date {
  font-size: 12px;
  color: var(--dim);
}

.session-actions {
  display: flex;
  gap: 6px;
}

.session-join-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.session-del-btn {
  background: none;
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.session-del-btn:active { opacity: 0.7; }