/* ═══════════════════════════════════════════
   HealthClock AI — Premium CSS
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600&display=swap');

/* ── Reset & Tokens ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #080d1c;
  --bg-card:     rgba(255,255,255,0.04);
  --bg-card-hov: rgba(255,255,255,0.07);
  --border:      rgba(255,255,255,0.08);
  --border-glow: rgba(99,179,237,0.3);
  --text:        #e2e8f0;
  --text-muted:  #718096;
  --text-dim:    #4a5568;
  --accent:      #63b3ed;
  --accent2:     #b794f4;
  --accent3:     #fbd38d;
  --gold:        #f6ad55;
  --green:       #68d391;
  --red:         #fc8181;
  --orange:      #f6ad55;
  --sunrise:     #ffa94d;
  --sunset:      #e96cb0;
  --font-main:   'Outfit', sans-serif;
  --font-mono:   'Inter', monospace;
  --r:           20px;
  --r-sm:        12px;
  --shadow:      0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(99,179,237,0.12);
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ── Particles ── */
#particles {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(99,179,237,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(183,148,244,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(8,13,28,1) 0%, rgba(4,8,18,1) 100%);
}
#particles::before {
  content:''; position:absolute; inset:0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.15) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: drift 30s linear infinite;
}
@keyframes drift { from{transform:translateY(0)} to{transform:translateY(-60px)} }

/* ── Header ── */
.app-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px;
  background: rgba(8,13,28,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.logo { display:flex; align-items:center; gap:10px; }
.logo-icon { font-size:1.6rem; filter: drop-shadow(0 0 8px var(--accent)); }
.logo-text { font-size:1.25rem; font-weight:700; letter-spacing:-0.02em; }
.logo-ai {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.header-actions { display:flex; gap:10px; align-items:center; }
.btn-icon {
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text); font-size:1.1rem; padding:8px 12px;
  border-radius: var(--r-sm); cursor:pointer; transition: all 0.2s;
}
.btn-icon:hover { border-color: var(--accent); background: var(--bg-card-hov); }
.btn-install {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; font-family: var(--font-main); font-weight:600;
  border:none; padding: 8px 18px; border-radius: var(--r-sm);
  cursor:pointer; font-size:0.85rem; transition: opacity 0.2s;
}
.btn-install:hover { opacity:0.85; }

/* ── Layout ── */
.app-main {
  position: relative; z-index: 1;
  max-width: 1400px; margin: 0 auto;
  padding: 28px 24px 60px;
  display: flex; flex-direction: column; gap: 24px;
}
.row { display: grid; gap: 24px; }
.row-top    { grid-template-columns: 380px 1fr; }
.row-bottom { grid-template-columns: 420px 1fr; }

@media (max-width: 1024px) {
  .row-top, .row-bottom { grid-template-columns: 1fr; }
}

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 28px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow), var(--shadow-glow);
}
.card-title {
  font-size:1.15rem; font-weight:700; margin-bottom:6px;
  letter-spacing:-0.01em;
}
.card-subtitle { font-size:0.85rem; color:var(--text-muted); margin-bottom:22px; }
.section-subtitle { font-size:0.9rem; font-weight:600; color:var(--text-muted); margin-bottom:10px; }

/* ── Clock Card ── */
.clock-card { display:flex; flex-direction:column; align-items:center; gap:14px; }

.clock-ring {
  position:relative; width:220px; height:220px;
}
.ring-svg { position:absolute; inset:0; width:100%; height:100%; transform:rotate(-90deg); }
.ring-bg {
  fill:none; stroke:rgba(255,255,255,0.05); stroke-width:6;
}
.ring-progress {
  fill:none;
  stroke: url(#ringGrad);
  stroke-width:6; stroke-linecap:round;
  stroke-dasharray: 628; stroke-dashoffset: 628;
  transition: stroke-dashoffset 1s linear;
  filter: drop-shadow(0 0 6px var(--accent));
}

/* Define gradient inline via JS, fallback */
.ring-svg defs { display:block; }

.clock-face {
  position:absolute; inset:0;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
}
.clock-time {
  font-size:2.8rem; font-weight:800; letter-spacing:-0.04em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
  text-shadow: none;
  filter: drop-shadow(0 0 20px rgba(99,179,237,0.4));
}
.clock-ampm {
  font-size:0.85rem; font-weight:600; color:var(--accent);
  letter-spacing:0.15em; margin-top:-4px;
}
.clock-date { font-size:1rem; font-weight:500; color:var(--text-muted); }
.clock-greeting { font-size:1.05rem; font-weight:600; }
.location-chip {
  display:flex; align-items:center; gap:8px;
  font-size:0.78rem; color:var(--text-dim);
  background: rgba(255,255,255,0.04);
  border:1px solid var(--border); border-radius:100px;
  padding:5px 14px;
}
.dot-pulse {
  width:7px; height:7px; border-radius:50%;
  background:var(--green);
  box-shadow:0 0 6px var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100%{opacity:1; transform:scale(1)}
  50%{opacity:0.5; transform:scale(0.8)}
}

/* ── Sun Card ── */
.sun-card { display:flex; flex-direction:column; gap:20px; }
.sun-row { display:flex; align-items:flex-start; justify-content:space-between; gap:12px; }
.sun-block {
  flex:1; display:flex; flex-direction:column; align-items:center; gap:6px;
  background: rgba(255,255,255,0.03);
  border:1px solid var(--border); border-radius:var(--r-sm);
  padding:16px 12px; text-align:center;
}
.sunrise-block { border-color: rgba(255,169,77,0.2); }
.sunset-block  { border-color: rgba(233,108,176,0.2); }
.sun-icon { font-size:2rem; }
.sun-label { font-size:0.75rem; text-transform:uppercase; letter-spacing:0.1em; color:var(--text-muted); }
.sun-time  { font-size:1.4rem; font-weight:700; font-variant-numeric:tabular-nums; }
.sunrise-block .sun-time { color:var(--sunrise); }
.sunset-block  .sun-time { color:var(--sunset); }
.sun-countdown { font-size:0.75rem; color:var(--text-dim); min-height:1.1em; }

/* Toggle */
.alarm-toggle { display:flex; align-items:center; gap:6px; cursor:pointer; }
.alarm-toggle input { display:none; }
.toggle-track {
  width:36px; height:20px; border-radius:100px;
  background:rgba(255,255,255,0.1); border:1px solid var(--border);
  position:relative; transition: background 0.3s;
}
.toggle-track::after {
  content:''; position:absolute; top:2px; left:2px;
  width:14px; height:14px; border-radius:50%;
  background:#fff; transition: transform 0.3s;
}
.alarm-toggle input:checked ~ .toggle-track { background:var(--accent); }
.alarm-toggle input:checked ~ .toggle-track::after { transform:translateX(16px); }
.toggle-label { font-size:0.75rem; color:var(--text-muted); }

/* Sun Arc */
.sun-divider { flex:0 0 120px; display:flex; flex-direction:column; align-items:center; justify-content:flex-end; }
.sun-arc svg { width:120px; overflow:visible; }
.arc-path { stroke:rgba(255,255,255,0.12); stroke-width:1.5; stroke-dasharray:5 3; }
.sun-dot { fill:var(--gold); filter:drop-shadow(0 0 8px var(--gold)); transition: cx 2s ease, cy 2s ease; }

/* Daylight bar */
.daylight-bar { display:flex; flex-direction:column; gap:6px; }
.daylight-label { font-size:0.78rem; color:var(--text-muted); font-weight:500; }
.daylight-track {
  height:6px; border-radius:100px;
  background:rgba(255,255,255,0.07); overflow:hidden;
}
.daylight-fill {
  height:100%; border-radius:100px; width:0%;
  background: linear-gradient(90deg, var(--sunrise), var(--gold), var(--sunset));
  transition: width 1.5s ease;
}
.daylight-duration { font-size:0.8rem; color:var(--text); font-weight:600; text-align:right; }

/* Custom alarm */
.custom-alarm-section { border-top:1px solid var(--border); padding-top:16px; }
.alarm-row { display:flex; gap:10px; align-items:stretch; flex-wrap:wrap; }
.time-input, .text-input {
  background: rgba(255,255,255,0.05);
  border:1px solid var(--border); border-radius:var(--r-sm);
  color:var(--text); padding:8px 12px; font-family:var(--font-main);
  font-size:0.85rem; outline:none; flex:1;
  transition: border-color 0.2s;
}
.time-input:focus, .text-input:focus { border-color:var(--accent); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color:#fff; border:none; border-radius:var(--r-sm);
  padding:8px 20px; font-family:var(--font-main); font-weight:700;
  cursor:pointer; font-size:0.85rem; transition:opacity 0.2s;
  white-space:nowrap;
}
.btn-primary:hover { opacity:0.85; }
.active-alarms { display:flex; flex-wrap:wrap; gap:6px; margin-top:8px; }
.alarm-chip {
  display:flex; align-items:center; gap:6px;
  background:rgba(99,179,237,0.1); border:1px solid rgba(99,179,237,0.25);
  border-radius:100px; padding:4px 12px; font-size:0.78rem;
}
.alarm-chip-del {
  background:none; border:none; color:var(--red); cursor:pointer; font-size:0.8rem; padding:0 2px;
}

/* ── Profile Card ── */
.profile-form { display:flex; flex-direction:column; gap:16px; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.form-group { display:flex; flex-direction:column; gap:5px; }
.form-group label { font-size:0.78rem; color:var(--text-muted); font-weight:500; letter-spacing:0.03em; }
.form-input {
  background:rgba(255,255,255,0.05);
  border:1px solid var(--border); border-radius:var(--r-sm);
  color:var(--text); padding:10px 14px;
  font-family:var(--font-main); font-size:0.9rem;
  outline:none; width:100%; transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
}
.form-input:focus {
  border-color:var(--accent);
  box-shadow: 0 0 0 3px rgba(99,179,237,0.15);
}
.form-input option { background:#1a202c; }
.btn-generate {
  width:100%; padding:14px;
  background: linear-gradient(135deg, #4facfe 0%, #a78bfa 50%, #f472b6 100%);
  background-size:200% auto;
  color:#fff; border:none; border-radius:var(--r);
  font-family:var(--font-main); font-weight:800; font-size:1rem;
  cursor:pointer; letter-spacing:0.01em;
  transition: background-position 0.4s, transform 0.2s, box-shadow 0.3s;
  display:flex; align-items:center; justify-content:center; gap:10px;
  box-shadow: 0 4px 20px rgba(79,172,254,0.3);
}
.btn-generate:hover {
  background-position: right center;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(79,172,254,0.4);
}
.btn-generate:active { transform:translateY(0); }
.btn-icon-inner { font-size:1.2rem; animation: spin 4s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }

/* ── BMI Section ── */
.bmi-section {
  margin-top:20px; padding:16px;
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border); border-radius:var(--r-sm);
}
.bmi-header { display:flex; align-items:center; gap:12px; margin-bottom:12px; }
.bmi-label { font-size:0.78rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.1em; }
.bmi-value { font-size:1.8rem; font-weight:800; }
.bmi-category {
  font-size:0.8rem; font-weight:700;
  padding:3px 10px; border-radius:100px;
}
.bmi-meter { margin-bottom:12px; }
.bmi-track { display:flex; flex-direction:column; gap:4px; }
.bmi-zones { display:flex; font-size:0.6rem; color:var(--text-dim); }
.bmi-zones span { text-align:center; }
.bmi-bar {
  height:8px; border-radius:100px; overflow:visible; position:relative;
  background: linear-gradient(90deg,
    #63b3ed 0%,
    #68d391 16%,
    #fbd38d 31%,
    #f6ad55 50%,
    #fc8181 100%
  );
}
.bmi-indicator {
  position:absolute; top:50%; transform:translate(-50%,-50%);
  width:16px; height:16px; border-radius:50%;
  background:#fff; border:3px solid var(--bg);
  box-shadow: 0 0 10px rgba(255,255,255,0.5);
  transition: left 1s cubic-bezier(0.34,1.56,0.64,1);
}
.stats-row { display:flex; flex-wrap:wrap; gap:10px; }
.stat-chip {
  flex:1; min-width:100px;
  background:rgba(255,255,255,0.04); border:1px solid var(--border);
  border-radius:var(--r-sm); padding:10px 12px;
}
.stat-chip-label { font-size:0.65rem; color:var(--text-dim); text-transform:uppercase; letter-spacing:0.08em; }
.stat-chip-val { font-size:1rem; font-weight:700; margin-top:2px; }

/* ── Plan Card ── */
.plan-card { display:flex; flex-direction:column; }
.plan-empty {
  flex:1; display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:14px;
  text-align:center; color:var(--text-muted); padding:40px;
}
.empty-icon { font-size:3.5rem; filter:grayscale(0.3); }
.plan-content { display:flex; flex-direction:column; gap:16px; flex:1; }

.plan-tabs { display:flex; gap:6px; flex-wrap:wrap; }
.tab-btn {
  background:rgba(255,255,255,0.05); border:1px solid var(--border);
  color:var(--text-muted); font-family:var(--font-main); font-size:0.82rem;
  font-weight:600; padding:7px 16px; border-radius:100px; cursor:pointer;
  transition: all 0.2s;
}
.tab-btn:hover { border-color:var(--accent); color:var(--text); }
.tab-btn.active {
  background:linear-gradient(135deg, var(--accent), var(--accent2));
  border-color:transparent; color:#fff;
  box-shadow:0 2px 12px rgba(99,179,237,0.3);
}

.tab-panels { flex:1; position:relative; min-height:250px; }
.tab-panel { display:none; flex-direction:column; gap:10px; animation: fadeIn 0.3s ease; }
.tab-panel.active { display:flex; }
@keyframes fadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:none} }

/* Meal, workout, hydration, sleep items */
.plan-item {
  display:flex; align-items:flex-start; gap:14px;
  background:rgba(255,255,255,0.03); border:1px solid var(--border);
  border-radius:var(--r-sm); padding:14px 16px;
  transition: border-color 0.2s;
}
.plan-item:hover { border-color:var(--border-glow); }
.plan-item-icon { font-size:1.5rem; flex-shrink:0; }
.plan-item-body { flex:1; }
.plan-item-time { font-size:0.72rem; color:var(--accent); font-weight:600; letter-spacing:0.05em; }
.plan-item-title { font-size:0.95rem; font-weight:700; margin-bottom:2px; }
.plan-item-desc { font-size:0.8rem; color:var(--text-muted); line-height:1.5; }
.plan-item-badge {
  font-size:0.7rem; font-weight:700; padding:2px 8px; border-radius:100px;
  border:1px solid; flex-shrink:0; align-self:flex-start;
}

.hydration-visual { display:flex; flex-direction:column; gap:14px; }
.water-meter { display:flex; gap:8px; flex-wrap:wrap; }
.water-drop {
  font-size:1.6rem; filter:grayscale(0.8);
  transition: filter 0.3s, transform 0.3s;
  cursor:default;
}
.water-drop.filled { filter:none; transform:scale(1.1); }
.water-text { font-size:0.85rem; color:var(--text-muted); }
.water-schedule { display:flex; flex-direction:column; gap:8px; }
.water-time-item {
  display:flex; align-items:center; gap:10px;
  background:rgba(255,255,255,0.03); border-radius:var(--r-sm); padding:10px 12px;
  font-size:0.82rem;
}
.water-time-label { color:var(--accent); font-weight:600; min-width:60px; }
.water-amount { color:var(--text-muted); }

.sleep-timeline { display:flex; flex-direction:column; gap:10px; }
.sleep-item {
  display:flex; align-items:center; gap:14px;
  background:rgba(255,255,255,0.03); border-radius:var(--r-sm); padding:12px 16px;
}
.sleep-dot { width:10px; height:10px; border-radius:50%; flex-shrink:0; }
.sleep-label { font-size:0.85rem; font-weight:600; }
.sleep-sub   { font-size:0.75rem; color:var(--text-muted); }

/* ── Alarm Toast ── */
.alarm-toast {
  position:fixed; bottom:28px; right:28px; z-index:200;
  display:flex; gap:14px; align-items:center;
  background:rgba(10,15,30,0.95); backdrop-filter:blur(20px);
  border:1px solid var(--border-glow); border-radius:var(--r);
  padding:18px 22px; box-shadow:0 12px 40px rgba(0,0,0,0.6);
  animation: slideIn 0.4s cubic-bezier(0.34,1.56,0.64,1);
  max-width:340px;
}
@keyframes slideIn {
  from{transform:translateX(120%); opacity:0}
  to{transform:none; opacity:1}
}
.toast-icon { font-size:2rem; }
.toast-title { font-size:0.95rem; font-weight:800; }
.toast-msg   { font-size:0.8rem; color:var(--text-muted); }
.toast-close {
  background:none; border:none; color:var(--text-muted);
  cursor:pointer; font-size:1rem; padding:4px; margin-left:auto;
  transition:color 0.2s;
}
.toast-close:hover { color:var(--red); }

/* ── Utilities ── */
.hidden { display:none !important; }

/* ── Workout Module ── */
@import url('workout.css');