/* ════════════════════════════════════════════════
   💧  Water Reminder Web App — Styles
   ════════════════════════════════════════════════ */

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

:root {
  --bg:        #0f172a;
  --surface:   #1e293b;
  --card:      #253047;
  --primary:   #38bdf8;
  --primary2:  #0ea5e9;
  --accent:    #a78bfa;
  --text:      #f1f5f9;
  --muted:     #94a3b8;
  --success:   #4ade80;
  --danger:    #f87171;
  --radius:    20px;
}

html, body {
  height: 100%;
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

/* ── Background gradient ─────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background: radial-gradient(ellipse at 20% 20%, #1e3a5f55 0%, transparent 60%),
              radial-gradient(ellipse at 80% 80%, #312e8155 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ── Layout ─────────────────────────────────── */
#app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ─────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: #ffffff0a;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #ffffff10;
}

header h1 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
}

#menu-btn {
  background: none; border: none;
  color: var(--text); font-size: 1.4rem;
  cursor: pointer; padding: 4px 8px;
}

/* ── Hero section (character) ─────────────── */
#hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 20px 0;
  gap: 0;
}

/* Character */
#character {
  position: relative;
  width: 180px;
  height: 220px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.pet-frame {
  position: absolute;
  bottom: 0;
  width: 160px;
  height: 200px;
  object-fit: contain;
  display: none;
  image-rendering: pixelated;
  filter: drop-shadow(0 8px 24px #38bdf840);
}

.pet-frame.active { display: block; }

/* Idle bob animation */
#character.idle .pet-frame.active {
  animation: bob 2.5s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* Celebrate bounce */
#character.celebrate .pet-frame.active {
  animation: bounce 0.4s ease infinite alternate;
}
@keyframes bounce {
  from { transform: translateY(0) scale(1); }
  to   { transform: translateY(-12px) scale(1.05); }
}

/* Speech bubble */
#bubble {
  background: white;
  color: #1e293b;
  border-radius: 18px 18px 18px 4px;
  padding: 14px 18px;
  margin: 4px 20px 0;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  box-shadow: 0 4px 20px #00000030;
  position: relative;
  max-width: 320px;
  width: 100%;
}

#bubble::before {
  content: '';
  position: absolute;
  bottom: -10px; left: 24px;
  border: 10px solid transparent;
  border-top-color: white;
  border-bottom: 0;
}

#bubble.hidden { display: none; }

/* ── Stats cards ──────────────────────────── */
#stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  padding: 20px 20px 0;
}

.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px 12px;
  text-align: center;
  border: 1px solid #ffffff0d;
}

.stat-card .num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-card .label {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 4px;
}

/* ── Countdown ────────────────────────────── */
#countdown-card {
  margin: 16px 20px 0;
  background: linear-gradient(135deg, #0ea5e920, #a78bfa20);
  border: 1px solid #38bdf830;
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

#countdown-card .icon { font-size: 2rem; }

#countdown-card .info { flex: 1; }
#countdown-card .info .title {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 4px;
}
#countdown-card .info .time {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

/* ── Water progress ───────────────────────── */
#water-section {
  margin: 16px 20px 0;
}

#water-section h2 {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

#progress-bar-wrap {
  background: var(--card);
  border-radius: 999px;
  height: 14px;
  overflow: hidden;
  margin-bottom: 8px;
  border: 1px solid #ffffff10;
}

#progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #38bdf8, #818cf8);
  border-radius: 999px;
  transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  width: 0%;
}

#glasses-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.glass-dot {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--card);
  border: 2px solid #38bdf840;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: all 0.3s;
  cursor: default;
}

.glass-dot.filled {
  background: linear-gradient(135deg, #38bdf820, #818cf820);
  border-color: #38bdf8;
}

/* ── Action buttons ───────────────────────── */
#actions {
  display: flex;
  gap: 12px;
  padding: 20px 20px;
  margin-top: auto;
}

.btn {
  flex: 1;
  border: none;
  border-radius: 14px;
  padding: 16px 12px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.02em;
}

.btn:active { transform: scale(0.96); }

#btn-drank {
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  color: white;
  box-shadow: 0 4px 20px #38bdf840;
}

#btn-snooze {
  background: var(--card);
  color: var(--text);
  border: 1px solid #ffffff15;
}

/* ── Settings panel ────────────────────────── */
#settings {
  position: fixed; inset: 0;
  background: #000000cc;
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

#settings.open {
  opacity: 1;
  pointer-events: all;
}

#settings-panel {
  background: var(--surface);
  border-radius: 28px 28px 0 0;
  padding: 28px 24px 40px;
  width: 100%;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.34, 1.3, 0.64, 1);
  border-top: 1px solid #ffffff15;
}

#settings.open #settings-panel { transform: translateY(0); }

#settings-panel h2 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid #ffffff0d;
}

.setting-row label { font-size: 0.95rem; color: var(--text); }
.setting-row small { color: var(--muted); font-size: 0.8rem; display: block; }

.setting-row input[type=text],
.setting-row input[type=number],
.setting-row select {
  background: var(--card);
  border: 1px solid #ffffff15;
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 0.9rem;
  width: 130px;
  outline: none;
}

.setting-row select option { background: var(--surface); }

/* Toggle switch */
.toggle {
  width: 48px; height: 26px;
  background: var(--card);
  border-radius: 999px;
  border: 1px solid #ffffff20;
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
}
.toggle.on { background: var(--primary); }
.toggle::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  background: white;
  border-radius: 50%;
  transition: left 0.3s;
}
.toggle.on::after { left: 25px; }

#close-settings {
  margin-top: 20px;
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

/* ── Notification permission banner ────────── */
#notif-banner {
  margin: 12px 20px 0;
  background: linear-gradient(135deg, #f59e0b20, #ef444420);
  border: 1px solid #f59e0b40;
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

#notif-banner.hidden { display: none; }

#notif-banner span { flex: 1; font-size: 0.85rem; color: var(--text); }

#btn-allow-notif {
  background: #f59e0b;
  color: white;
  border: none;
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

/* ── Confetti ─────────────────────────────── */
#confetti-wrap {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 200;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  top: -20px;
  animation: fall linear forwards;
}

@keyframes fall {
  to { transform: translateY(110vh) rotate(720deg); opacity: 0; }
}

/* ── Reminder overlay ─────────────────────── */
#reminder-overlay {
  position: fixed; inset: 0;
  background: #000000bb;
  backdrop-filter: blur(6px);
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

#reminder-overlay.show {
  opacity: 1;
  pointer-events: all;
}

#reminder-card {
  background: var(--surface);
  border-radius: 28px;
  padding: 32px 24px;
  width: 100%;
  max-width: 360px;
  text-align: center;
  border: 1px solid #ffffff15;
  transform: scale(0.9);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#reminder-overlay.show #reminder-card { transform: scale(1); }

#reminder-char {
  width: 130px;
  height: 160px;
  position: relative;
  margin: 0 auto 16px;
}

#reminder-char .pet-frame {
  width: 130px; height: 160px;
}

#reminder-msg {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

#reminder-sub {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.reminder-btns {
  display: flex;
  gap: 12px;
}

.reminder-btns .btn { flex: 1; }

/* ── Toast ────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 100px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #1e293b;
  border: 1px solid #38bdf840;
  color: var(--text);
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  z-index: 300;
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
}

#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}