/* Gym Dashboard — design tokens + components */

:root {
  --bg: #0a0e1a;
  --bg-soft: #0f172a;
  --bg-card: #131b2e;
  --bg-elev: #1a2540;
  --border: #1e2a44;
  --border-soft: #16203a;
  --text: #e6ecf5;
  --text-dim: #8a95ab;
  --text-mute: #5d6883;
  --accent: #ff7849;
  --accent-2: #4ade80;
  --accent-3: #60a5fa;
  --danger: #f87171;
  --shadow: 0 6px 24px rgba(0, 0, 0, .35);
  --radius: 14px;
  --radius-sm: 10px;
  --space: 1rem;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-3); text-decoration: none; }
a:hover { color: var(--accent); }

h1 { font-size: 1.6rem; margin: 0 0 1rem; font-weight: 700; letter-spacing: -.02em; }
h2 { font-size: 1.1rem; margin: 0 0 .8rem; font-weight: 600; letter-spacing: -.01em; }

input, select, textarea, button {
  font: inherit;
  color: inherit;
}

input[type=text], input[type=email], input[type=password],
input[type=number], input[type=date], input[type=time], textarea, select {
  width: 100%;
  padding: .65rem .85rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 120, 73, .18);
}

label {
  display: block;
  font-size: .82rem;
  color: var(--text-dim);
  margin-bottom: .25rem;
  font-weight: 500;
}

textarea { resize: vertical; min-height: 60px; }

/* ── Topbar ────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, .85);
  border-bottom: 1px solid var(--border-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: .75rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -.02em;
}
.nav {
  display: flex;
  gap: .25rem;
  flex: 1;
  flex-wrap: wrap;
}
.nav a {
  padding: .45rem .8rem;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: .92rem;
  font-weight: 500;
}
.nav a:hover { background: var(--bg-card); color: var(--text); }
.nav a.primary {
  background: var(--accent);
  color: #1a0a05;
  font-weight: 600;
}
.nav a.primary:hover { background: #ff8a5e; color: #1a0a05; }
.logout {
  padding: .45rem .7rem;
  color: var(--text-mute);
  font-size: 1.1rem;
}
.logout:hover { color: var(--danger); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 1rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

/* ── Cards ─────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow);
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .8rem;
}
.card-head h1, .card-head h2 { margin: 0; }

/* ── Hero metric grid ──────────────────────────────────── */
.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: .75rem;
}
.metric {
  text-align: left;
  padding: 1rem 1.1rem;
}
.metric-label {
  color: var(--text-mute);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
}
.metric-value {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin: .25rem 0;
}
.metric-value small {
  font-size: .75rem;
  color: var(--text-dim);
  font-weight: 500;
  margin-left: .15rem;
}
.metric-sub {
  font-size: .8rem;
  color: var(--text-dim);
}
.metric-accent .metric-value { color: var(--accent); }

/* ── 2-column grid ─────────────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.1rem;
}

/* ── Tables ────────────────────────────────────────────── */
.workouts-table, .sets-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
}
.workouts-table th, .sets-table th,
.workouts-table td, .sets-table td {
  padding: .6rem .55rem;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
}
.workouts-table th, .sets-table th {
  color: var(--text-mute);
  font-weight: 500;
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.workouts-table tr { cursor: pointer; transition: background .12s; }
.workouts-table tr:hover { background: var(--bg-elev); }

.workout-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: .75rem;
  padding: .7rem .35rem;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text);
  align-items: center;
}
.workout-row:hover { background: var(--bg-elev); color: var(--text); }
.workout-row .w-time { color: var(--text-dim); font-size: .9rem; }
.workout-row .w-meta { color: var(--text); font-weight: 500; }
.workout-row .w-arrow { color: var(--text-mute); }

/* tags */
.tag {
  display: inline-block;
  padding: .15rem .55rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 500;
  background: var(--bg-elev);
  color: var(--text-dim);
}
.tag-back, .tag-chest, .tag-shoulders, .tag-legs, .tag-arms, .tag-abs, .tag-cardio {
  background: rgba(96, 165, 250, .15);
  color: #93c5fd;
}
.tag-cardio { background: rgba(74, 222, 128, .15); color: var(--accent-2); }
.tag-legs { background: rgba(255, 120, 73, .15); color: var(--accent); }

/* ── Buttons ───────────────────────────────────────────── */
.btn-primary {
  background: var(--accent);
  color: #1a0a05;
  border: none;
  border-radius: var(--radius-sm);
  padding: .75rem 1.25rem;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: background .15s, transform .05s;
}
.btn-primary:hover { background: #ff8a5e; }
.btn-primary:active { transform: translateY(1px); }
.btn-link {
  background: none;
  border: none;
  color: var(--accent-3);
  cursor: pointer;
  font-size: .9rem;
  padding: .35rem .6rem;
  border-radius: 6px;
}
.btn-link:hover { background: var(--bg-elev); color: var(--accent); }
.btn-link.danger { color: var(--danger); }
.btn-link.danger:hover { color: #fca5a5; background: rgba(248, 113, 113, .1); }

/* ── Forms ─────────────────────────────────────────────── */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .75rem;
  margin-bottom: 1rem;
}
.workout-form, .profile-form { display: flex; flex-direction: column; gap: .8rem; }

.quick-form {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-top: .8rem;
}
.quick-form input { flex: 1; min-width: 120px; }
.quick-form button {
  background: var(--accent-3);
  color: #04122a;
  border: none;
  padding: .65rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
}
.quick-form button:hover { background: #7eb8ff; }

/* ── Set blocks ────────────────────────────────────────── */
.set-block {
  position: relative;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: .9rem 1rem;
  margin-bottom: .65rem;
  display: flex;
  flex-direction: column;
  gap: .55rem;
}
.set-block.cardio { border-left: 3px solid var(--accent-2); }
.set-block.strength { border-left: 3px solid var(--accent); }
.set-remove {
  position: absolute;
  top: .5rem;
  right: .5rem;
  background: none;
  border: none;
  color: var(--text-mute);
  cursor: pointer;
  font-size: 1.3rem;
  line-height: 1;
  padding: 0 .35rem;
}
.set-remove:hover { color: var(--danger); }
.set-add-row {
  display: flex;
  gap: .5rem;
  margin: .5rem 0 1rem;
}
.strength-grid {
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: .5rem;
}
.cardio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: .5rem;
}

/* ── Login ─────────────────────────────────────────────── */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
  background: radial-gradient(ellipse at top, #1a2540 0%, #0a0e1a 65%);
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow);
  text-align: center;
}
.login-emoji { font-size: 2.6rem; margin-bottom: .25rem; }
.login-card h1 { font-size: 1.5rem; margin: 0 0 .25rem; }
.login-sub { color: var(--text-dim); margin: 0 0 1.5rem; font-size: .9rem; }
.login-card form { text-align: left; display: flex; flex-direction: column; gap: .55rem; }
.login-card .btn-primary { margin-top: .5rem; width: 100%; }
.login-card .remember {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--text-dim);
  font-size: .9rem;
  margin: .25rem 0 .25rem;
  cursor: pointer;
}
.login-card .remember input { width: auto; margin: 0; }
.login-error {
  background: rgba(248, 113, 113, .12);
  border: 1px solid rgba(248, 113, 113, .3);
  color: #fca5a5;
  padding: .65rem .85rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  margin-bottom: .9rem;
}

.pw-wrap { position: relative; }
.pw-wrap input { padding-right: 2.5rem; }
.pw-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  font-size: 1.05rem;
  color: var(--text-dim);
}
.pw-toggle:hover { color: var(--text); }

/* ── Misc ──────────────────────────────────────────────── */
.muted { color: var(--text-dim); font-size: .9rem; }
.meta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--text-dim);
  font-size: .92rem;
  margin-bottom: .6rem;
}
canvas {
  width: 100% !important;
  max-width: 100%;
  height: 220px !important;
  max-height: 260px;
}
.card > canvas { display: block; }

/* ── Mobile ────────────────────────────────────────────── */
@media (max-width: 640px) {
  .topbar-inner { padding: .6rem .75rem; gap: .5rem; flex-wrap: wrap; }
  .brand { font-size: 1rem; }
  .nav { order: 3; flex-basis: 100%; gap: .15rem; }
  .nav a { padding: .35rem .55rem; font-size: .85rem; }
  .container { padding: 1rem .65rem 4rem; gap: .85rem; }
  .card { padding: .9rem 1rem; }
  .metric-value { font-size: 1.5rem; }
  h1 { font-size: 1.3rem; }
  .strength-grid { grid-template-columns: 60px 1fr 1fr; }
}