/* ============================================================
   GymFlow Pro - Design System
   Dark-first, mobile-first, CSS variables
   ============================================================ */

:root {
  --bg: #070b10;
  --bg-soft: #0a1118;
  --surface: #0f1620;
  --surface-2: #141e2a;
  --surface-3: #1b2836;
  --border: #223041;
  --border-soft: #1a2533;
  --text: #e6edf5;
  --text-soft: #b8c5d6;
  --muted: #8194aa;
  --primary: #22e07a;
  --primary-strong: #16b863;
  --primary-ink: #04110a;
  --primary-soft: rgba(34, 224, 122, .12);
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, .14);
  --danger: #f43f5e;
  --danger-soft: rgba(244, 63, 94, .13);
  --warning: #f59e0b;
  --warning-soft: rgba(245, 158, 11, .13);
  --info: #38bdf8;
  --info-soft: rgba(56, 189, 248, .13);
  --success: #22e07a;
  --success-soft: rgba(34, 224, 122, .13);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --shadow: 0 24px 60px rgba(0, 0, 0, .38);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, .22);
  --sidebar-w: 272px;
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --transition: .2s ease;
  --gradient: linear-gradient(135deg, #22e07a 0%, #0ea5e9 100%);
  --gradient-dark: linear-gradient(135deg, rgba(34,224,122,.16), rgba(59,130,246,.12));
}

[data-theme="light"] {
  --bg: #f3f6fa;
  --bg-soft: #eef2f7;
  --surface: #ffffff;
  --surface-2: #f7f9fc;
  --surface-3: #edf1f6;
  --border: #dbe3ed;
  --border-soft: #e8edf4;
  --text: #101a26;
  --text-soft: #344659;
  --muted: #64748b;
  --primary: #0f9f57;
  --primary-strong: #0b7f45;
  --primary-ink: #ffffff;
  --primary-soft: rgba(15, 159, 87, .1);
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, .09);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, .08);
  --warning: #d97706;
  --warning-soft: rgba(217, 119, 6, .1);
  --info: #0284c7;
  --info-soft: rgba(2, 132, 199, .09);
  --shadow: 0 20px 50px rgba(16, 26, 38, .1);
  --shadow-soft: 0 8px 24px rgba(16, 26, 38, .07);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(34, 224, 122, .07), transparent 60%),
    radial-gradient(700px 500px at 5% 20%, rgba(59, 130, 246, .06), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

[data-theme="light"] body {
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(15, 159, 87, .07), transparent 60%),
    radial-gradient(700px 500px at 5% 20%, rgba(37, 99, 235, .05), transparent 60%),
    var(--bg);
}

h1, h2, h3, h4, h5, p { margin: 0; }
h1 { font-size: clamp(1.55rem, 2.4vw, 2rem); letter-spacing: -.03em; line-height: 1.2; }
h2 { font-size: clamp(1.25rem, 2vw, 1.55rem); letter-spacing: -.02em; }
h3 { font-size: 1.05rem; letter-spacing: -.01em; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-strong); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
svg { flex-shrink: 0; }

::selection { background: var(--primary); color: var(--primary-ink); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 20px; border: 2px solid transparent; background-clip: content-box; }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 6px;
}

.icon { width: 20px; height: 20px; }
.icon-sm { width: 16px; height: 16px; }
.icon-lg { width: 26px; height: 26px; }
.icon-xl { width: 34px; height: 34px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ---------------- Layout ---------------- */
.app-shell { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); min-height: 100vh; }

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  z-index: 50;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(15, 22, 32, .98), rgba(10, 17, 24, .98));
  border-right: 1px solid var(--border-soft);
  padding: 20px 14px;
  overflow-y: auto;
  transition: transform .25s ease;
}
[data-theme="light"] .sidebar { background: var(--surface); }

.sidebar-brand {
  display: flex; align-items: center; gap: 12px;
  padding: 6px 10px 22px;
  color: var(--text);
}
.sidebar-brand:hover { color: var(--text); }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--gradient);
  color: #04110a;
  box-shadow: 0 10px 24px rgba(34, 224, 122, .24);
}
.brand-mark .icon { width: 24px; height: 24px; stroke-width: 2.2; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-size: 1.12rem; letter-spacing: -.03em; }
.brand-text span { font-size: .62rem; letter-spacing: .28em; color: var(--primary); font-weight: 700; margin-top: 5px; }

.sidebar-group { margin-bottom: 18px; }
.sidebar-label {
  font-size: .66rem; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--muted);
  padding: 0 12px; margin-bottom: 8px;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 3px; }
.nav-link {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 11px;
  color: var(--text-soft); font-size: .91rem; font-weight: 500;
  transition: background var(--transition), color var(--transition);
  border: 1px solid transparent;
}
.nav-link .icon { width: 19px; height: 19px; opacity: .75; }
.nav-link:hover { background: var(--surface-2); color: var(--text); }
.nav-link.active {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: rgba(34, 224, 122, .18);
  font-weight: 600;
}
.nav-link.active .icon { opacity: 1; }
.nav-badge {
  margin-left: auto; min-width: 22px; height: 22px; padding: 0 7px;
  display: grid; place-items: center; border-radius: 999px;
  background: var(--danger); color: #fff; font-size: .68rem; font-weight: 700;
}

.sidebar-user {
  margin-top: auto; padding: 12px; border: 1px solid var(--border-soft);
  background: var(--surface-2); border-radius: 14px;
  display: flex; align-items: center; gap: 10px;
}
.avatar {
  width: 38px; height: 38px; border-radius: 12px; flex-shrink: 0;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--surface-3), var(--surface-2));
  border: 1px solid var(--border);
  color: var(--primary); font-weight: 700; font-size: .82rem;
  overflow: hidden;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-lg { width: 64px; height: 64px; border-radius: 18px; font-size: 1.2rem; }
.avatar-sm { width: 30px; height: 30px; border-radius: 9px; font-size: .68rem; }
.sidebar-user-info { min-width: 0; flex: 1; }
.sidebar-user-info strong { display: block; font-size: .82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-info span { display: block; font-size: .7rem; color: var(--muted); text-transform: capitalize; }

.app-main { grid-column: 2; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 14px;
  padding: 14px clamp(16px, 3vw, 30px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
}
.topbar-title { min-width: 0; }
.topbar-title h1 { font-size: clamp(1.05rem, 1.8vw, 1.35rem); }
.topbar-title p { font-size: .76rem; color: var(--muted); margin-top: 2px; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 6px; }

.content {
  width: 100%; max-width: 1560px; margin: 0 auto;
  padding: clamp(18px, 2.6vw, 32px);
  display: flex; flex-direction: column; gap: 22px;
  animation: fadeUp .35s ease both;
}

.sidebar-toggle, .sidebar-close { display: none; }
.sidebar-overlay {
  position: fixed; inset: 0; z-index: 45;
  background: rgba(0, 0, 0, .55);
  opacity: 0; pointer-events: none; transition: opacity .2s;
}

@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 42px; padding: 0 16px;
  border-radius: 11px; border: 1px solid transparent;
  font-weight: 600; font-size: .87rem; cursor: pointer;
  transition: transform .15s, background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap; text-decoration: none;
}
.btn:active { transform: scale(.98); }
.btn .icon { width: 17px; height: 17px; }
.btn-primary { background: var(--primary); color: var(--primary-ink); box-shadow: 0 8px 20px rgba(34, 224, 122, .18); }
.btn-primary:hover { background: var(--primary-strong); color: var(--primary-ink); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { background: var(--surface-2); border-color: var(--muted); color: var(--text); }
.btn-ghost { background: transparent; color: var(--text-soft); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(.92); color: #fff; }
.btn-soft { background: var(--surface-2); border-color: var(--border-soft); color: var(--text); }
.btn-soft:hover { background: var(--surface-3); color: var(--text); }
.btn-sm { min-height: 34px; padding: 0 11px; font-size: .78rem; border-radius: 9px; }
.btn-sm .icon { width: 15px; height: 15px; }
.btn-lg { min-height: 50px; padding: 0 22px; font-size: .95rem; border-radius: 13px; }
.btn-block { width: 100%; }
.btn-icon {
  width: 38px; height: 38px; min-height: 38px; padding: 0;
  border-radius: 10px; display: inline-grid; place-items: center;
  background: transparent; border: 1px solid transparent; color: var(--text-soft); cursor: pointer;
}
.btn-icon:hover { background: var(--surface-2); color: var(--text); }
.btn-icon .icon { width: 19px; height: 19px; }
.btn[disabled], .btn.disabled { opacity: .5; pointer-events: none; }

/* ---------------- Cards ---------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.card-header {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 18px 20px; border-bottom: 1px solid var(--border-soft);
}
.card-header h2, .card-header h3 { font-size: 1rem; }
.card-header p { color: var(--muted); font-size: .78rem; margin-top: 2px; }
.card-header .btn, .card-header .header-actions { margin-left: auto; }
.card-body { padding: 20px; }
.card-body.tight { padding: 14px 20px; }
.card-footer { padding: 14px 20px; border-top: 1px solid var(--border-soft); background: var(--surface-2); }

.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stat-card {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow-soft);
}
.stat-card::after {
  content: ""; position: absolute; width: 120px; height: 120px; right: -50px; top: -60px;
  background: radial-gradient(circle, var(--primary-soft), transparent 70%); pointer-events: none;
}
.stat-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.stat-label { font-size: .76rem; color: var(--muted); font-weight: 600; letter-spacing: .02em; }
.stat-icon { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: var(--surface-2); color: var(--primary); }
.stat-icon .icon { width: 19px; height: 19px; }
.stat-value { font-size: clamp(1.35rem, 2.4vw, 1.8rem); font-weight: 700; letter-spacing: -.04em; }
.stat-meta { display: flex; align-items: center; gap: 6px; margin-top: 6px; font-size: .74rem; color: var(--muted); }
.stat-meta .up { color: var(--success); font-weight: 600; }
.stat-meta .down { color: var(--danger); font-weight: 600; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.grid-2-1 { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.grid-1-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr); gap: 18px; align-items: start; }
.stack { display: flex; flex-direction: column; gap: 18px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.row-end { margin-left: auto; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 6px; } .mt-2 { margin-top: 12px; } .mt-3 { margin-top: 18px; } .mt-4 { margin-top: 26px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 6px; } .mb-2 { margin-bottom: 12px; } .mb-3 { margin-bottom: 18px; }
.gap-sm { gap: 8px; } .gap-md { gap: 16px; } .gap-lg { gap: 24px; }
.w-full { width: 100%; }
.text-muted { color: var(--muted); }
.text-small { font-size: .8rem; }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-primary { color: var(--primary); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.nowrap { white-space: nowrap; }
.center { text-align: center; }
.hide { display: none !important; }

/* ---------------- Forms ---------------- */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid .span-2 { grid-column: span 2; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field > label { font-size: .78rem; font-weight: 600; color: var(--text-soft); }
.field .required { color: var(--danger); }
.input, .select, .textarea {
  width: 100%; min-height: 44px; padding: 10px 13px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 11px; color: var(--text); font-size: .9rem;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.textarea { min-height: 100px; resize: vertical; line-height: 1.5; }
.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238194aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft); background: var(--surface);
}
.input::placeholder, .textarea::placeholder { color: var(--muted); opacity: .75; }
.input[type="date"], .input[type="time"], .input[type="month"] { color-scheme: dark; }
[data-theme="light"] .input[type="date"], [data-theme="light"] .input[type="time"], [data-theme="light"] .input[type="month"] { color-scheme: light; }
.hint { font-size: .72rem; color: var(--muted); }
.error-text { font-size: .74rem; color: var(--danger); font-weight: 500; }
.input.has-error { border-color: var(--danger); }
.input-group { position: relative; display: flex; align-items: center; }
.input-group .input { padding-right: 46px; }
.input-group .btn-icon { position: absolute; right: 4px; }
.checkline { display: flex; align-items: center; gap: 9px; font-size: .82rem; color: var(--text-soft); cursor: pointer; }
.checkline input { width: 17px; height: 17px; accent-color: var(--primary); }
.form-section-title { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 700; margin-bottom: 4px; }
.form-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding-top: 6px; }
.switch { position: relative; display: inline-flex; width: 42px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; background: var(--surface-3); border-radius: 999px; transition: .2s; cursor: pointer; }
.switch span::before { content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; background: var(--text-soft); border-radius: 50%; transition: .2s; }
.switch input:checked + span { background: var(--primary); }
.switch input:checked + span::before { transform: translateX(18px); background: var(--primary-ink); }

/* ---------------- Badges & pills ---------------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 9px; border-radius: 999px;
  font-size: .69rem; font-weight: 600; letter-spacing: .01em;
  background: var(--surface-3); color: var(--text-soft); white-space: nowrap;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .8; }
.badge.no-dot::before { display: none; }
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-info { background: var(--info-soft); color: var(--info); }
.badge-muted { background: var(--surface-3); color: var(--muted); }
.badge-neutral { background: var(--surface-2); color: var(--text-soft); }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border-soft); font-size: .73rem; color: var(--text-soft); }

/* ---------------- Tables ---------------- */
.table-wrap { width: 100%; overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: .84rem; }
table.data th {
  text-align: left; padding: 11px 14px; color: var(--muted);
  font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
table.data td { padding: 13px 14px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
table.data tbody tr { transition: background var(--transition); }
table.data tbody tr:hover { background: var(--surface-2); }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data td.actions { text-align: right; white-space: nowrap; }
table.data .cell-main { display: flex; align-items: center; gap: 10px; min-width: 180px; }
table.data .cell-main strong { display: block; font-weight: 600; }
table.data .cell-main small { display: block; color: var(--muted); font-size: .72rem; }
.table-empty { padding: 42px 20px; text-align: center; color: var(--muted); }
.table-empty .icon { width: 38px; height: 38px; margin-bottom: 10px; opacity: .5; }

.pagination { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pagination a, .pagination span {
  min-width: 34px; height: 34px; padding: 0 10px; display: grid; place-items: center;
  border-radius: 9px; border: 1px solid var(--border-soft); font-size: .78rem; color: var(--text-soft);
}
.pagination a:hover { background: var(--surface-2); color: var(--text); }
.pagination .current { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); font-weight: 700; }

/* ---------------- Tabs / toolbar ---------------- */
.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.toolbar .search { flex: 1; min-width: 200px; max-width: 380px; position: relative; }
.toolbar .search .icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 17px; height: 17px; color: var(--muted); }
.toolbar .search .input { padding-left: 38px; }
.tabs { display: flex; gap: 4px; padding: 4px; background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: 12px; overflow-x: auto; }
.tab {
  padding: 8px 14px; border-radius: 9px; font-size: .8rem; font-weight: 600;
  color: var(--muted); white-space: nowrap; cursor: pointer; border: 0; background: transparent;
}
.tab:hover { color: var(--text); }
.tab.active { background: var(--surface); color: var(--primary); box-shadow: var(--shadow-soft); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.segmented { display: inline-flex; gap: 3px; padding: 4px; background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: 11px; flex-wrap: wrap; }
.segmented a, .segmented button {
  padding: 7px 12px; border-radius: 8px; font-size: .76rem; font-weight: 600;
  color: var(--muted); border: 0; background: transparent; cursor: pointer;
}
.segmented a.active, .segmented button.active { background: var(--primary); color: var(--primary-ink); }

/* ---------------- Alerts / flash ---------------- */
.flash-stack { display: flex; flex-direction: column; gap: 10px; }
.alert {
  display: flex; align-items: flex-start; gap: 11px;
  padding: 12px 15px; border-radius: 12px; font-size: .83rem;
  border: 1px solid var(--border); background: var(--surface);
}
.alert .icon { width: 18px; height: 18px; margin-top: 2px; }
.alert-success { border-color: rgba(34, 224, 122, .3); background: var(--success-soft); color: var(--success); }
.alert-danger { border-color: rgba(244, 63, 94, .3); background: var(--danger-soft); color: var(--danger); }
.alert-warning { border-color: rgba(245, 158, 11, .3); background: var(--warning-soft); color: var(--warning); }
.alert-info { border-color: rgba(56, 189, 248, .3); background: var(--info-soft); color: var(--info); }
.alert a { color: inherit; text-decoration: underline; }

.toast-stack { position: fixed; right: 18px; bottom: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; max-width: min(90vw, 380px); }
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border);
  box-shadow: var(--shadow); font-size: .82rem;
  animation: slideIn .25s ease both;
}
.toast.success { border-color: rgba(34, 224, 122, .35); }
.toast.danger { border-color: rgba(244, 63, 94, .35); }
@keyframes slideIn { from { opacity: 0; transform: translateX(16px); } to { opacity: 1; transform: none; } }

/* ---------------- Auth ---------------- */
.auth-shell { min-height: 100vh; display: grid; grid-template-columns: 1.05fr .95fr; }
.auth-visual {
  position: relative; overflow: hidden; padding: clamp(28px, 4vw, 56px);
  display: flex; flex-direction: column; justify-content: space-between;
  background: radial-gradient(800px 500px at 20% 10%, rgba(34, 224, 122, .2), transparent 60%),
              radial-gradient(700px 500px at 80% 90%, rgba(59, 130, 246, .18), transparent 60%),
              #08111a;
  border-right: 1px solid var(--border-soft);
}
.auth-visual::after {
  content: ""; position: absolute; inset: auto -10% -30% 30%;
  height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 224, 122, .16), transparent 65%);
  pointer-events: none;
}
.auth-visual .brand { display: flex; align-items: center; gap: 12px; position: relative; z-index: 1; }
.auth-visual .brand strong { font-size: 1.2rem; letter-spacing: -.03em; }
.auth-hero { position: relative; z-index: 1; max-width: 500px; }
.auth-hero .eyebrow { color: var(--primary); font-size: .72rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.auth-hero h1 { margin-top: 14px; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.05; letter-spacing: -.045em; }
.auth-hero h1 span { color: var(--primary); }
.auth-hero p { margin-top: 18px; color: var(--text-soft); font-size: .95rem; max-width: 420px; }
.auth-features { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.auth-feature { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 999px; background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .07); font-size: .76rem; color: var(--text-soft); }
.auth-feature .icon { width: 15px; height: 15px; color: var(--primary); }
.auth-visual .footnote { position: relative; z-index: 1; font-size: .72rem; color: var(--muted); }
.auth-panel { display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 28px; position: relative; }
.auth-theme { position: absolute; top: 20px; right: 20px; }
.auth-card { width: 100%; max-width: 430px; }
.auth-card h2 { font-size: 1.6rem; letter-spacing: -.035em; }
.auth-card > p { color: var(--muted); font-size: .86rem; margin-top: 6px; }
.auth-form { display: flex; flex-direction: column; gap: 15px; margin-top: 24px; }
.auth-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: .8rem; }
.auth-footer { text-align: center; font-size: .82rem; color: var(--muted); margin-top: 22px; }
.auth-back { display: inline-flex; align-items: center; gap: 6px; font-size: .8rem; color: var(--muted); margin-bottom: 18px; }
.auth-back:hover { color: var(--text); }
.demo-box {
  margin-top: 20px; padding: 13px 14px; border-radius: 12px;
  border: 1px dashed var(--border); background: var(--surface-2);
  font-size: .74rem; color: var(--muted);
}
.demo-box strong { color: var(--text-soft); display: block; margin-bottom: 6px; font-size: .72rem; letter-spacing: .05em; text-transform: uppercase; }
.demo-box code { color: var(--primary); background: var(--primary-soft); padding: 2px 5px; border-radius: 5px; font-size: .72rem; }
.demo-lines { display: grid; gap: 4px; }

/* ---------------- Landing ---------------- */
.site-nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 20px;
  padding: 14px clamp(18px, 5vw, 64px);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-soft);
}
.site-nav .brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.site-nav .brand strong { letter-spacing: -.03em; }
.site-nav-links { display: flex; align-items: center; gap: 20px; margin-left: 22px; }
.site-nav-links a { color: var(--text-soft); font-size: .84rem; font-weight: 500; }
.site-nav-links a:hover { color: var(--primary); }
.site-nav-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.landing { display: flex; flex-direction: column; }
.hero {
  position: relative; overflow: hidden;
  padding: clamp(48px, 8vw, 110px) clamp(18px, 5vw, 64px) clamp(40px, 6vw, 80px);
  display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(24px, 5vw, 60px); align-items: center;
}
.hero::before {
  content: ""; position: absolute; width: 620px; height: 620px; right: -180px; top: -220px;
  background: radial-gradient(circle, rgba(34, 224, 122, .18), transparent 65%); pointer-events: none;
}
.hero-copy { position: relative; z-index: 1; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-size: .72rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--primary); }
.hero h1 { margin-top: 16px; font-size: clamp(2.4rem, 5.4vw, 4.4rem); line-height: .98; letter-spacing: -.055em; max-width: 760px; }
.hero h1 span { color: var(--primary); }
.hero p { margin-top: 20px; max-width: 560px; color: var(--text-soft); font-size: clamp(.95rem, 1.4vw, 1.08rem); }
.hero-cta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.hero-stats { display: flex; gap: 26px; flex-wrap: wrap; margin-top: 40px; }
.hero-stat strong { display: block; font-size: 1.5rem; letter-spacing: -.04em; }
.hero-stat span { font-size: .74rem; color: var(--muted); }
.hero-visual { position: relative; z-index: 1; display: grid; gap: 12px; }
.hero-card {
  border-radius: 22px; padding: 22px;
  background: linear-gradient(145deg, rgba(20, 30, 42, .95), rgba(10, 17, 24, .95));
  border: 1px solid var(--border); box-shadow: var(--shadow);
}
.hero-card.top { transform: translateX(-18px); }
.hero-card.bottom { transform: translateX(18px); }
.hero-card .mini-label { font-size: .68rem; color: var(--muted); text-transform: uppercase; letter-spacing: .14em; }
.hero-card .big { font-size: 2rem; font-weight: 700; letter-spacing: -.05em; margin-top: 6px; }
.hero-card .bars { display: flex; align-items: end; gap: 5px; height: 64px; margin-top: 16px; }
.hero-card .bars span { flex: 1; border-radius: 4px 4px 2px 2px; background: linear-gradient(180deg, var(--primary), rgba(34, 224, 122, .18)); }
.section { padding: clamp(42px, 6vw, 80px) clamp(18px, 5vw, 64px); }
.section-head { max-width: 680px; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); letter-spacing: -.04em; }
.section-head p { color: var(--muted); margin-top: 8px; }
.features-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature-card { padding: 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border-soft); }
.feature-card .feature-icon { width: 44px; height: 44px; border-radius: 13px; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; margin-bottom: 16px; }
.feature-card h3 { font-size: .98rem; }
.feature-card p { color: var(--muted); font-size: .82rem; margin-top: 6px; }
.plans-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.plan-card { display: flex; flex-direction: column; padding: 22px; border-radius: 18px; background: var(--surface); border: 1px solid var(--border-soft); }
.plan-card.featured { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary), var(--shadow); position: relative; }
.plan-card.featured::before { content: "Mais escolhido"; position: absolute; top: 14px; right: 14px; font-size: .6rem; letter-spacing: .08em; text-transform: uppercase; color: var(--primary-ink); background: var(--primary); padding: 3px 7px; border-radius: 999px; font-weight: 700; }
.plan-card h3 { font-size: 1rem; }
.plan-card .price { font-size: 1.85rem; font-weight: 700; letter-spacing: -.05em; margin: 12px 0 2px; }
.plan-card .price small { font-size: .72rem; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.plan-card ul { list-style: none; padding: 0; margin: 16px 0 20px; display: grid; gap: 8px; font-size: .8rem; color: var(--text-soft); }
.plan-card li { display: flex; gap: 8px; align-items: flex-start; }
.plan-card li .icon { width: 15px; height: 15px; color: var(--primary); margin-top: 2px; }
.plan-card .btn { margin-top: auto; }
.units-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.unit-card { padding: 20px; border-radius: 16px; background: var(--surface); border: 1px solid var(--border-soft); }
.unit-card h3 { font-size: .95rem; }
.unit-card p { color: var(--muted); font-size: .78rem; margin-top: 6px; }
.site-footer { border-top: 1px solid var(--border-soft); padding: 28px clamp(18px, 5vw, 64px); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: .78rem; }

/* ---------------- Dashboard / charts ---------------- */
.chart-box { position: relative; width: 100%; height: 280px; }
.chart-box canvas { width: 100% !important; height: 100% !important; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: .74rem; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.progress { height: 8px; border-radius: 999px; background: var(--surface-3); overflow: hidden; }
.progress > span { display: block; height: 100%; border-radius: inherit; background: var(--gradient); transition: width .5s ease; }
.ring { --p: 0; width: 92px; height: 92px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--primary) calc(var(--p) * 1%), var(--surface-3) 0); position: relative; }
.ring::before { content: ""; position: absolute; inset: 8px; border-radius: 50%; background: var(--surface); }
.ring span { position: relative; z-index: 1; font-weight: 700; font-size: .95rem; }
.mini-stat { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border-soft); }
.mini-stat:last-child { border-bottom: 0; }
.mini-stat .icon-wrap { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: var(--surface-2); color: var(--primary); flex-shrink: 0; }
.mini-stat strong { display: block; font-size: .86rem; }
.mini-stat small { color: var(--muted); font-size: .72rem; }
.mini-stat .value { margin-left: auto; font-weight: 700; font-size: .9rem; }

/* ---------------- Student workout ---------------- */
.hero-workout {
  position: relative; overflow: hidden; border-radius: var(--radius);
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(135deg, rgba(34, 224, 122, .16), rgba(59, 130, 246, .1)), var(--surface);
  border: 1px solid rgba(34, 224, 122, .2);
}
.hero-workout::after { content: ""; position: absolute; width: 260px; height: 260px; right: -80px; top: -100px; background: radial-gradient(circle, rgba(34, 224, 122, .2), transparent 65%); }
.hero-workout .eyebrow { color: var(--primary); }
.hero-workout h2 { margin-top: 8px; font-size: clamp(1.35rem, 2.6vw, 1.9rem); }
.hero-workout p { color: var(--text-soft); font-size: .86rem; margin-top: 6px; }
.hero-actions { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 18px; position: relative; z-index: 1; }
.day-tabs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.day-tab {
  min-width: 132px; padding: 12px 14px; border-radius: 13px;
  background: var(--surface); border: 1px solid var(--border-soft);
  color: var(--text-soft); cursor: pointer; text-align: left; transition: .2s;
}
.day-tab strong { display: block; font-size: .84rem; color: var(--text); }
.day-tab small { display: block; color: var(--muted); font-size: .7rem; margin-top: 2px; }
.day-tab.active { border-color: var(--primary); background: var(--primary-soft); box-shadow: 0 0 0 1px var(--primary); }
.day-tab.active strong, .day-tab.active small { color: var(--primary); }
.exercise-list { display: flex; flex-direction: column; }
.exercise-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 4px 14px; padding: 16px 0; border-bottom: 1px solid var(--border-soft); }
.exercise-item:last-child { border-bottom: 0; }
.exercise-index { width: 36px; height: 36px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--border-soft); display: grid; place-items: center; font-size: .76rem; font-weight: 700; color: var(--muted); flex-shrink: 0; }
.exercise-info { min-width: 0; flex: 1; }
.exercise-info strong { display: block; font-size: .9rem; }
.exercise-info small { color: var(--muted); font-size: .73rem; }
.exercise-tags { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 5px; }
.exercise-metrics { display: flex; gap: 14px; font-size: .72rem; color: var(--muted); margin-top: 4px; }
.exercise-metrics b { color: var(--text-soft); font-weight: 600; }
.exercise-actions { display: flex; gap: 5px; flex-shrink: 0; }
.sets-header { display: grid; grid-template-columns: 44px 1fr 1fr 1fr 44px; gap: 8px; font-size: .68rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); padding: 0 4px 6px; }
.set-row { display: grid; grid-template-columns: 44px 1fr 1fr 1fr 44px; gap: 8px; align-items: center; padding: 6px 4px; }
.set-row .set-num { width: 30px; height: 30px; border-radius: 8px; background: var(--surface-2); display: grid; place-items: center; font-weight: 700; font-size: .76rem; color: var(--muted); }
.set-row .input { min-height: 36px; padding: 5px 8px; text-align: center; font-size: .82rem; }
.set-row .check-set { width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--border); background: var(--surface-2); display: grid; place-items: center; cursor: pointer; color: var(--muted); }
.set-row .check-set.done { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.rest-timer {
  position: fixed; right: 18px; bottom: 78px; z-index: 90;
  display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  background: var(--surface); border: 1px solid var(--primary); border-radius: 14px;
  box-shadow: var(--shadow); transform: translateY(120px); transition: transform .25s;
}
.rest-timer.show { transform: none; }
.rest-timer strong { font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.heatmap { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.heat-cell { aspect-ratio: 1; border-radius: 5px; background: var(--surface-3); position: relative; }
.heat-cell[data-level="1"] { background: rgba(34, 224, 122, .22); }
.heat-cell[data-level="2"] { background: rgba(34, 224, 122, .42); }
.heat-cell[data-level="3"] { background: rgba(34, 224, 122, .66); }
.heat-cell[data-level="4"] { background: var(--primary); }
.heatmap-legend { display: flex; align-items: center; gap: 5px; font-size: .68rem; color: var(--muted); margin-top: 8px; }
.heatmap-legend i { width: 10px; height: 10px; border-radius: 3px; background: var(--surface-3); }

/* ---------------- Misc ---------------- */
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.page-head h1 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
.page-head p { color: var(--muted); font-size: .82rem; margin-top: 4px; }
.breadcrumb { display: flex; align-items: center; gap: 7px; font-size: .74rem; color: var(--muted); flex-wrap: wrap; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .icon { width: 13px; height: 13px; }
.detail-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.detail-item { padding: 12px 14px; border-radius: 11px; background: var(--surface-2); border: 1px solid var(--border-soft); }
.detail-item span { display: block; font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 4px; }
.detail-item strong { font-size: .88rem; font-weight: 600; }
.empty-state { text-align: center; padding: 42px 20px; color: var(--muted); }
.empty-state .icon { width: 42px; height: 42px; margin-bottom: 12px; opacity: .45; }
.empty-state h3 { color: var(--text-soft); font-size: .95rem; margin-bottom: 4px; }
.empty-state p { font-size: .8rem; }
.avatar-row { display: flex; align-items: center; gap: 10px; }
.avatar-row strong { display: block; font-size: .85rem; }
.avatar-row small { color: var(--muted); font-size: .72rem; }
.list-clean { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.list-item { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border-soft); }
.list-item:last-child { border-bottom: 0; }
.list-item .grow { flex: 1; min-width: 0; }
.list-item strong { display: block; font-size: .85rem; }
.list-item small { color: var(--muted); font-size: .73rem; }
.kpi-inline { display: flex; align-items: baseline; gap: 6px; }
.kpi-inline strong { font-size: 1.25rem; letter-spacing: -.03em; }
.kpi-inline span { color: var(--muted); font-size: .72rem; }
.divider { height: 1px; background: var(--border-soft); margin: 4px 0; }
.code-block { padding: 12px 14px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--border); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .77rem; word-break: break-all; }
.notice { padding: 12px 14px; border-radius: 11px; border: 1px solid var(--border); background: var(--surface-2); font-size: .8rem; color: var(--text-soft); }
.notice strong { color: var(--text); }

/* ---------------- Dropdown / notifications ---------------- */
.dropdown { position: relative; }
.dropdown summary { list-style: none; cursor: pointer; }
.dropdown summary::-webkit-details-marker { display: none; }
.dropdown-menu {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 60;
  min-width: 220px; padding: 6px; border-radius: 13px;
  background: var(--surface); border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.dropdown-menu a, .dropdown-menu button {
  display: flex; align-items: center; gap: 9px; width: 100%;
  padding: 9px 10px; border-radius: 8px; border: 0; background: transparent;
  color: var(--text-soft); font-size: .8rem; text-align: left; cursor: pointer;
}
.dropdown-menu a:hover, .dropdown-menu button:hover { background: var(--surface-2); color: var(--text); }
.dropdown-menu .divider { margin: 5px 0; }
.notif-menu { width: min(340px, 86vw); padding: 0; overflow: hidden; }
.notif-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-bottom: 1px solid var(--border-soft); }
.notif-head strong { font-size: .82rem; }
.notif-list { max-height: 330px; overflow-y: auto; }
.notif-item { display: flex; gap: 10px; padding: 11px 14px; border-bottom: 1px solid var(--border-soft); }
.notif-item:last-child { border-bottom: 0; }
.notif-item:hover { background: var(--surface-2); }
.notif-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); margin-top: 6px; flex-shrink: 0; }
.notif-item.read .notif-dot { background: var(--surface-3); }
.notif-item strong { display: block; font-size: .78rem; }
.notif-item small { display: block; color: var(--muted); font-size: .7rem; margin-top: 2px; }
.user-chip { display: flex; align-items: center; gap: 9px; padding: 4px 4px 4px 10px; border-radius: 999px; border: 1px solid var(--border-soft); background: var(--surface-2); }
.user-chip span { font-size: .78rem; font-weight: 600; max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-chip .icon { width: 14px; height: 14px; color: var(--muted); }

/* ---------------- Modal ---------------- */
dialog.modal {
  width: min(620px, calc(100vw - 28px)); max-height: calc(100vh - 40px);
  padding: 0; border: 1px solid var(--border); border-radius: 18px;
  background: var(--surface); color: var(--text); box-shadow: var(--shadow);
}
dialog.modal::backdrop { background: rgba(0, 0, 0, .68); backdrop-filter: blur(3px); }
.modal-head { display: flex; align-items: flex-start; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--border-soft); }
.modal-head h2 { font-size: 1.05rem; }
.modal-head p { color: var(--muted); font-size: .76rem; margin-top: 2px; }
.modal-head .btn-icon { margin-left: auto; }
.modal-body { padding: 20px; overflow-y: auto; max-height: calc(100vh - 220px); }
.modal-foot { display: flex; justify-content: flex-end; gap: 9px; padding: 14px 20px; border-top: 1px solid var(--border-soft); background: var(--surface-2); }

/* ---------------- Print ---------------- */
.print-only { display: none; }
@media print {
  body { background: #fff !important; color: #111 !important; font-size: 12px; }
  .sidebar, .topbar, .no-print, .toast-stack, .rest-timer { display: none !important; }
  .app-shell { display: block; }
  .app-main { margin: 0; }
  .content { padding: 0; max-width: none; }
  .card { border: 1px solid #ddd; box-shadow: none; break-inside: avoid; }
  .print-only { display: block; }
  a { color: #111; text-decoration: none; }
  .badge { border: 1px solid #ddd; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1250px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plans-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1100px) {
  .grid-2-1, .grid-1-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { grid-template-columns: 1fr; }
  .hero-visual { max-width: 560px; }
  .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .app-shell { display: block; }
  .sidebar { transform: translateX(-102%); box-shadow: var(--shadow); }
  .sidebar.open { transform: none; }
  .sidebar-overlay.open { opacity: 1; pointer-events: auto; }
  .sidebar-toggle { display: inline-grid; }
  .sidebar-close { display: inline-grid; margin-left: auto; }
  .app-main { grid-column: auto; }
  .content { padding: 18px; }
  .auth-shell { grid-template-columns: 1fr; }
  .auth-visual { display: none; }
  .auth-panel { min-height: 100vh; }
  .detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-nav-links { display: none; }
}

@media (max-width: 760px) {
  body { font-size: 14px; }
  .stat-grid, .grid-2, .grid-3, .form-grid { grid-template-columns: 1fr; }
  .form-grid .span-2 { grid-column: auto; }
  .page-head { flex-direction: column; align-items: stretch; }
  .page-head .btn { align-self: flex-start; }
  .topbar { padding: 10px 14px; gap: 8px; }
  .topbar-title p { display: none; }
  .user-chip span { display: none; }
  .user-chip { padding: 4px; border: 0; background: transparent; }
  .card-header { padding: 14px 16px; }
  .card-body { padding: 16px; }
  .content { padding: 14px; gap: 16px; }
  .hero { padding-top: 42px; }
  .hero h1 { font-size: clamp(2.2rem, 10vw, 3.2rem); }
  .hero-stats { gap: 18px; }
  .plans-grid, .features-grid, .units-grid { grid-template-columns: 1fr; }
  .hero-card.top, .hero-card.bottom { transform: none; }
  .detail-grid { grid-template-columns: 1fr; }
  .sets-header, .set-row { grid-template-columns: 34px 1fr 1fr 1fr 36px; gap: 5px; }
  .exercise-item { align-items: flex-start; flex-wrap: wrap; }
  .exercise-actions { margin-left: 50px; }
  .site-footer { flex-direction: column; }
  .section { padding-top: 38px; padding-bottom: 38px; }
}

@media (max-width: 520px) {
  .content { padding: 12px; }
  .btn { min-height: 40px; padding: 0 13px; font-size: .82rem; }
  .btn-sm { min-height: 32px; }
  .topbar-actions .btn-icon { width: 34px; height: 34px; }
  .auth-panel { padding: 18px; }
  .auth-card { max-width: none; }
  table.data { font-size: .78rem; }
  table.data th, table.data td { padding: 10px; }
  .toast-stack { left: 12px; right: 12px; bottom: 12px; max-width: none; }
  .heatmap { gap: 3px; }
  .rest-timer { bottom: 14px; right: 12px; left: 12px; justify-content: space-between; }
}

/* ---------------- Bottom navigation (aluno) ---------------- */
.bottom-nav { display: none; }

@media (max-width: 760px) {
  .bottom-nav {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 55;
    padding: 7px 6px calc(7px + env(safe-area-inset-bottom));
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    border-top: 1px solid var(--border);
    backdrop-filter: blur(14px);
  }
  .bottom-nav a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 5px 2px;
    border-radius: 9px;
    color: var(--muted);
    font-size: .62rem;
    font-weight: 600;
  }
  .bottom-nav a.active { color: var(--primary); background: var(--primary-soft); }
  .bottom-nav .icon { width: 20px; height: 20px; }
  .app-main:has(.bottom-nav) .content { padding-bottom: 92px; }
  .app-main:has(.bottom-nav) .toast-stack { bottom: 82px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ---------------- Components added for full modules ---------------- */
.check-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px 18px; }
.is-muted { opacity: .62; }
.is-selected { background: var(--primary-soft) !important; box-shadow: inset 3px 0 0 var(--primary); }
.is-highlight { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary), var(--shadow-sm); }
.link-sm { display: inline-flex; align-items: center; gap: 5px; font-size: .74rem; font-weight: 600; color: var(--primary); cursor: pointer; list-style: none; }
.link-sm::-webkit-details-marker { display: none; }
.input-sm { min-height: 34px; padding: 5px 8px; font-size: .8rem; }

.exercise-main { display: flex; align-items: center; gap: 12px; width: 100%; min-width: 0; grid-column: 1; grid-row: 1; }
.exercise-main > .grow { flex: 1; min-width: 0; }
.exercise-main > .grow strong { display: block; }
.exercise-main > .grow small { display: block; margin-top: 2px; color: var(--muted); font-size: .69rem; }
.exercise-meta { text-align: right; min-width: 110px; flex-shrink: 0; }
.exercise-meta strong { display: block; font-size: .84rem; }
.exercise-meta small { color: var(--muted); font-size: .69rem; }
.exercise-note { grid-column: 1 / -1; grid-row: 2; margin: 0 0 0 48px; color: var(--muted); font-size: .73rem; }
.inline-details { position: relative; }
.inline-details > summary { list-style: none; }
.inline-details > summary::-webkit-details-marker { display: none; }
.inline-panel {
  margin-top: 10px; padding: 14px; border-radius: 12px;
  background: var(--surface-2); border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
}
.exercise-item > .inline-details { grid-column: 2; grid-row: 1; margin-left: 0; align-self: center; }
.exercise-item > .inline-details .inline-panel { position: absolute; right: 0; z-index: 20; width: min(380px, 82vw); }
@media (max-width: 720px) {
  .exercise-item { display: flex; flex-wrap: wrap; align-items: flex-start; }
  .exercise-main { flex: 1 1 100%; width: 100%; }
  .exercise-meta { text-align: left; min-width: 0; }
  .exercise-note { flex: 1 0 100%; margin-left: 0; }
  .exercise-item > .inline-details { margin-left: 48px; }
  .exercise-item > .inline-details .inline-panel { position: static; width: min(380px, calc(100vw - 104px)); }
}

.set-list { display: flex; flex-direction: column; gap: 6px; }
.set-list .set-row {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px;
  border: 1px solid var(--border-soft); border-radius: 10px; background: var(--surface);
}
.set-list .set-row.done { background: color-mix(in srgb, var(--primary) 8%, var(--surface)); border-color: color-mix(in srgb, var(--primary) 35%, var(--border-soft)); }
.set-number { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; background: var(--surface-2); font-size: .74rem; font-weight: 700; color: var(--muted); flex-shrink: 0; }
.set-form { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; flex: 1; }
.set-form .input-sm { width: 74px; }
@media (max-width: 520px) {
  .set-list .set-row { align-items: flex-start; flex-wrap: wrap; }
  .set-form { width: 100%; }
}

.qr-wrap { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.qr-box { width: 190px; height: 190px; padding: 10px; border-radius: 16px; background: #fff; border: 1px solid var(--border); flex-shrink: 0; }
.qr-box svg { width: 100%; height: 100%; display: block; }
.qr-info { display: flex; flex-direction: column; gap: 4px; min-width: 200px; }
.qr-info strong { font-size: 1.05rem; }
.qr-info span { color: var(--muted); font-size: .8rem; }
@media (max-width: 520px) { .qr-wrap { justify-content: center; } .qr-box { width: 160px; height: 160px; } }

.pix-box { padding: 14px; border-radius: 14px; border: 1px dashed var(--primary); background: var(--primary-soft); display: flex; flex-direction: column; gap: 10px; }
.pix-qr { width: 160px; height: 160px; padding: 8px; background: #fff; border-radius: 10px; align-self: center; }
.pix-qr svg { width: 100%; height: 100%; }

.heatmap-cell { aspect-ratio: 1; border-radius: 5px; background: var(--surface-3); display: block; }
.heatmap-cell.active { background: var(--primary); box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 55%, transparent); }

.class-item { display: flex; align-items: center; gap: 14px; padding: 12px; border: 1px solid var(--border-soft); border-radius: 12px; background: var(--surface); }
.class-item + .class-item { margin-top: 8px; }
.class-time { min-width: 62px; text-align: center; padding: 8px 6px; border-radius: 10px; background: var(--surface-2); }
.class-time strong { display: block; font-size: .92rem; }
.class-time small { color: var(--muted); font-size: .67rem; }
.class-vagas { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; min-width: 96px; }
.class-vagas small { color: var(--muted); font-size: .68rem; }
@media (max-width: 560px) {
  .class-item { flex-wrap: wrap; align-items: flex-start; }
  .class-vagas { flex-direction: row; align-items: center; margin-left: auto; }
  .class-vagas small { order: -1; }
}

.table-empty p { margin: 8px 0 0; font-size: .82rem; }