/* style.css
   moodlog — mood tracker app */

:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --border: #2a2a2a;
  --text: #f0f0f0;
  --muted: #666;
}

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

body {
  font-family: 'Syne', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 20px;
}

/* grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 999;
  opacity: 0.4;
}

/* header */
header {
  text-align: center;
  margin-bottom: 48px;
  animation: fadeDown 0.6s ease both;
}

.logo {
  font-size: 0.75rem;
  font-family: 'Syne Mono', monospace;
  color: var(--muted);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

header h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -2px;
}

.date {
  font-family: 'Syne Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 10px;
  letter-spacing: 1px;
}

/* mood grid */
.moods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  width: 100%;
  max-width: 520px;
  margin-bottom: 40px;
  animation: fadeUp 0.6s 0.1s ease both;
}

.mood-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 20px;
  padding: 24px 16px;
  cursor: pointer;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s, background 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.mood-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
  border-radius: 18px;
}

.mood-card:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}

.mood-card:hover::before { opacity: 0.08; }

.mood-card.selected {
  transform: translateY(-6px) scale(1.05);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

/* per-mood accent colors */
.mood-card[data-mood="happy"]   { --c: #FFD166; }
.mood-card[data-mood="sad"]     { --c: #6B9FD4; }
.mood-card[data-mood="angry"]   { --c: #EF6351; }
.mood-card[data-mood="anxious"] { --c: #C77DFF; }
.mood-card[data-mood="calm"]    { --c: #06D6A0; }
.mood-card[data-mood="tired"]   { --c: #F4A261; }

.mood-card::before { background: var(--c); }

.mood-card.selected {
  border-color: var(--c);
  background: color-mix(in srgb, var(--c) 12%, var(--surface));
}

.mood-emoji {
  font-size: 2.4rem;
  display: block;
  margin-bottom: 10px;
  transition: transform 0.3s;
}

.mood-card:hover .mood-emoji,
.mood-card.selected .mood-emoji {
  transform: scale(1.2) rotate(-5deg);
}

.mood-name {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  transition: color 0.2s;
}

.mood-card.selected .mood-name { color: var(--c); }

/* note input */
.note-wrap {
  width: 100%;
  max-width: 520px;
  margin-bottom: 20px;
  animation: fadeUp 0.6s 0.2s ease both;
}

.note-label {
  font-family: 'Syne Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

textarea {
  width: 100%;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 16px;
  color: var(--text);
  font-family: 'Syne', sans-serif;
  font-size: 0.9rem;
  padding: 16px;
  resize: none;
  height: 90px;
  transition: border-color 0.2s;
  outline: none;
}

textarea:focus { border-color: #444; }
textarea::placeholder { color: var(--muted); }

/* save button */
.btn-save {
  width: 100%;
  max-width: 520px;
  padding: 16px;
  border-radius: 16px;
  border: none;
  background: var(--text);
  color: var(--bg);
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  animation: fadeUp 0.6s 0.3s ease both;
}

.btn-save:hover { opacity: 0.85; transform: translateY(-2px); }
.btn-save:active { transform: translateY(0); }

/* history */
.history-wrap {
  width: 100%;
  max-width: 520px;
  margin-top: 48px;
  animation: fadeUp 0.6s 0.4s ease both;
}

.history-title {
  font-family: 'Syne Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.history-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  animation: fadeUp 0.3s ease both;
}

.history-emoji { font-size: 1.4rem; flex-shrink: 0; }

.history-info { flex: 1; }

.history-mood {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.history-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}

.history-date {
  font-family: 'Syne Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  flex-shrink: 0;
}

.history-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.empty-history {
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
  padding: 24px;
  font-family: 'Syne Mono', monospace;
}

/* toast notification */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--text);
  color: var(--bg);
  padding: 12px 24px;
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 100;
  white-space: nowrap;
}

.toast.show { transform: translateX(-50%) translateY(0); }

/* animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 400px) {
  .moods { grid-template-columns: repeat(2, 1fr); }
}