/* ═══════════════════════════════════════════════════════════════════
   AURALIS · Daily Diary
   ───────────────────────────────────────────────────────────────────
   Inline SVG charts (no Chart.js CDN). Chat.php 1:1 token reuse.
   ═══════════════════════════════════════════════════════════════════ */

.diary-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  overflow-y: auto;
  padding: env(safe-area-inset-top, 16px) 16px env(safe-area-inset-bottom, 32px);
  background: var(--bg-main);
  color: var(--text);
  animation: diaryFadeIn 0.3s ease;
}
[data-theme="dark"] .diary-screen {
  background:
    radial-gradient(ellipse 800px 500px at 20% 10%, hsl(var(--hue1) 60% 22% / 0.16) 0%, transparent 60%),
    radial-gradient(ellipse 700px 500px at 85% 85%, hsl(var(--hue2) 60% 22% / 0.16) 0%, transparent 60%),
    linear-gradient(180deg, #0a0b14 0%, #050609 100%);
}

/* ═══ CLOSE BUTTON ═══ */
.diary-close {
  position: absolute;
  top: calc(env(safe-area-inset-top, 0) + 12px);
  right: 12px;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: var(--radius-icon);
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 5;
}
[data-theme="light"] .diary-close,
:root:not([data-theme]) .diary-close {
  background: var(--surface);
  box-shadow: var(--shadow-card-sm);
  color: var(--text);
}
[data-theme="dark"] .diary-close {
  background: hsl(220 25% 8% / 0.7);
  backdrop-filter: blur(8px);
  color: var(--text);
}
.diary-close:active { transform: scale(var(--press)); }
.diary-close svg { width: 22px; height: 22px; }

/* ═══ HEADER ═══ */
.diary-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 24px 4px 20px;
  max-width: 480px;
}
.diary-icon {
  display: grid;
  place-items: center;
  color: var(--accent);
}
.diary-icon svg { width: 24px; height: 24px; }
.diary-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--text);
}

/* ═══ TODAY CARD ═══ */
.diary-today {
  max-width: 480px;
  margin: 0 auto 24px;
  padding: 20px 16px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}
[data-theme="light"] .diary-today,
:root:not([data-theme]) .diary-today {
  background: var(--surface);
  box-shadow: var(--shadow-card);
  border: none;
}
[data-theme="dark"] .diary-today {
  background:
    linear-gradient(235deg, hsl(var(--hue1) 50% 10% / .7), hsl(var(--hue1) 50% 10% / 0) 33%),
    linear-gradient(45deg,  hsl(var(--hue2) 50% 10% / .7), hsl(var(--hue2) 50% 10% / 0) 33%),
    linear-gradient(hsl(220 25% 4.8% / .85));
  backdrop-filter: blur(8px);
}
.diary-today-date {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ═══ QUESTION + SLIDER ═══ */
.diary-q {
  margin-bottom: 18px;
}
.diary-q-label {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.diary-slider-wrap {
  width: 100%;
}
.diary-slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.diary-slider-edge {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  min-width: 48px;
  text-align: center;
  flex-shrink: 0;
}
.diary-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 32px;
  background: transparent;
  cursor: pointer;
}
.diary-slider:focus { outline: none; }
.diary-slider:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}
/* Webkit */
.diary-slider::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: var(--radius-pill);
}
[data-theme="light"] .diary-slider::-webkit-slider-runnable-track,
:root:not([data-theme]) .diary-slider::-webkit-slider-runnable-track {
  background: var(--surface-2);
}
[data-theme="dark"] .diary-slider::-webkit-slider-runnable-track {
  background: hsl(220 25% 12%);
}
.diary-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-icon);
  background: white;
  border: 2px solid hsl(var(--hue1) 70% 55%);
  margin-top: -10px;
  box-shadow: 0 2px 6px hsl(var(--hue1) 60% 45% / 0.4);
  cursor: grab;
}
.diary-slider::-webkit-slider-thumb:active { transform: scale(1.15); cursor: grabbing; }
/* Firefox */
.diary-slider::-moz-range-track {
  height: 8px;
  border-radius: var(--radius-pill);
}
[data-theme="light"] .diary-slider::-moz-range-track,
:root:not([data-theme]) .diary-slider::-moz-range-track {
  background: var(--surface-2);
}
[data-theme="dark"] .diary-slider::-moz-range-track {
  background: hsl(220 25% 12%);
}
.diary-slider::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-icon);
  background: white;
  border: 2px solid hsl(var(--hue1) 70% 55%);
  box-shadow: 0 2px 6px hsl(var(--hue1) 60% 45% / 0.4);
}
.diary-slider-value {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 800;
  color: var(--accent);
  margin-top: 6px;
  letter-spacing: 0.04em;
}

/* ═══ SAVE BUTTON ═══ */
.diary-save-btn {
  width: 100%;
  min-height: 52px;
  margin-top: 10px;
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, hsl(var(--hue1) 70% 55%), hsl(var(--hue2) 65% 55%));
  color: white;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 18px hsl(var(--hue1) 60% 45% / 0.4),
    inset 0 1px 0 hsl(0 0% 100% / 0.2);
  transition: transform var(--dur-fast) var(--ease);
}
.diary-save-btn:active { transform: scale(0.98); }
.diary-save-btn[disabled] {
  background: hsl(145 50% 50%);
  cursor: default;
}

/* ═══ INSIGHTS ═══ */
.diary-insights {
  max-width: 480px;
  margin: 0 auto 20px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border-left: 3px solid hsl(var(--hue3) 60% 55%);
}
[data-theme="light"] .diary-insights,
:root:not([data-theme]) .diary-insights {
  background: var(--surface);
  box-shadow: var(--shadow-card-sm);
}
[data-theme="dark"] .diary-insights {
  background: hsl(var(--hue3) 30% 12% / 0.4);
}
.diary-insights-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: hsl(var(--hue3) 60% 55%);
  margin-bottom: 10px;
}
[data-theme="dark"] .diary-insights-title {
  color: hsl(var(--hue3) 70% 70%);
}
.diary-insights-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.diary-insight {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text);
}
.diary-insight--needMore {
  color: var(--text-muted);
  font-style: italic;
}

/* ═══ HISTORY ═══ */
.diary-history {
  max-width: 480px;
  margin: 0 auto;
}
.diary-history-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  gap: 8px;
  flex-wrap: wrap;
}
.diary-history-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
}
.diary-ranges {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: var(--radius-pill);
}
[data-theme="light"] .diary-ranges,
:root:not([data-theme]) .diary-ranges {
  background: var(--surface);
  box-shadow: var(--shadow-pressed);
}
[data-theme="dark"] .diary-ranges {
  background: hsl(220 25% 5% / 0.6);
  backdrop-filter: blur(8px);
}
.diary-range-btn {
  min-height: 32px;
  padding: 6px 12px;
  border: none;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.diary-range-btn.is-active {
  color: white;
  background: linear-gradient(135deg, hsl(var(--hue1) 70% 55%), hsl(var(--hue2) 65% 55%));
  box-shadow: 0 3px 10px hsl(var(--hue1) 60% 45% / 0.4);
}

/* ═══ CHARTS ═══ */
.diary-chart {
  margin-bottom: 18px;
  padding: 14px 12px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}
[data-theme="light"] .diary-chart,
:root:not([data-theme]) .diary-chart {
  background: var(--surface);
  box-shadow: var(--shadow-card-sm);
  border: none;
}
[data-theme="dark"] .diary-chart {
  background: hsl(220 25% 5% / 0.55);
  backdrop-filter: blur(8px);
}
.diary-chart-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
  padding: 0 4px;
}
.diary-chart-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}
.diary-chart-avg {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.diary-chart-svg {
  width: 100%;
  height: 100px;
  color: var(--text-muted);
}
.diary-chart-empty {
  padding: 30px 12px;
  text-align: center;
  font-size: 12.5px;
  color: var(--text-faint);
}

/* ═══ EXPORT ═══ */
.diary-export-btn {
  width: 100%;
  min-height: 48px;
  margin-top: 16px;
  padding: 12px 18px;
  border: none;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}
[data-theme="light"] .diary-export-btn,
:root:not([data-theme]) .diary-export-btn {
  background: var(--surface);
  box-shadow: var(--shadow-card-sm);
}
[data-theme="dark"] .diary-export-btn {
  background: hsl(220 25% 6% / 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
}
.diary-export-btn:hover { color: var(--text); }
.diary-export-btn:active { transform: scale(0.98); }

/* ═══ EMPTY STATE ═══ */
.diary-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
}

@keyframes diaryFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .diary-screen { animation: none; }
}