:root {
    --bg: #F7F8FA;
    --accent: #E8192C;
    --text: #1A1A1A;
    --muted: #6b7280;
    --border: #e5e7eb;
    --white: #ffffff;
    --success: #1e8a3d;
    --success-bg: #e6f7ea;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
.wrap { max-width: 960px; margin: 0 auto; padding: 24px 16px 60px; }
.wrap-sm { max-width: 440px; margin: 0 auto; padding: 40px 16px; }

.topbar {
    background: var(--white); border-bottom: 1px solid var(--border);
    padding: 14px 16px; display: flex; align-items: center; justify-content: space-between;
}
.topbar .brand { font-weight: 700; color: var(--accent); font-size: 1.1rem; }
.topbar nav a { margin-left: 16px; font-size: .9rem; color: var(--text); }

.card {
    background: var(--white); border-radius: 16px; padding: 28px;
    box-shadow: 0 8px 24px rgba(0,0,0,.06); margin-bottom: 20px;
}
h1 { font-size: 1.4rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
p.subtitle { color: var(--muted); margin: 0 0 20px; font-size: .92rem; }

.form-group { margin-bottom: 16px; }
label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; }
.form-control {
    width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
    font-size: .95rem; background: var(--white); color: var(--text);
}
.form-control:focus { outline: none; border-color: var(--accent); }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 160px; }
.checkbox-group { display: flex; gap: 16px; flex-wrap: wrap; }
.checkbox-group label { display: flex; align-items: center; gap: 6px; font-weight: 500; }

.btn {
    display: inline-block; padding: 10px 20px; border-radius: 8px; border: none;
    font-size: .92rem; font-weight: 600; cursor: pointer; text-align: center;
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: .82rem; }

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: .9rem; }
.alert-danger { background: #fdeaec; color: var(--accent); }
.alert-success { background: var(--success-bg); color: var(--success); }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .75rem; font-weight: 600; }
.badge-pendente { background: #fff4e5; color: #b45309; }
.badge-concluido { background: var(--success-bg); color: var(--success); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: .9rem; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; }

.day-card { border: 1px solid var(--border); border-radius: 12px; padding: 14px; margin-bottom: 12px; }
.day-card .day-label { font-weight: 700; font-size: .85rem; color: var(--muted); margin-bottom: 8px; }
.sessao { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px dashed var(--border); gap: 8px; }
.sessao:last-child { border-bottom: none; }
.exercicio-row { display: flex; gap: 8px; margin-bottom: 8px; align-items: center; }
.exercicio-row .form-control { flex: 1; }

.day-tabs {
    display: flex; gap: 8px; overflow-x: auto; padding-bottom: 10px; margin-bottom: 16px;
    -webkit-overflow-scrolling: touch; scrollbar-width: thin;
}
.day-tab {
    flex: 0 0 auto; display: flex; flex-direction: column; align-items: center; gap: 2px;
    min-width: 52px; padding: 10px 6px; border: 1px solid var(--border); border-radius: 12px;
    background: var(--white); cursor: pointer; font-family: inherit;
}
.day-tab .dow { font-size: .72rem; color: var(--muted); text-transform: uppercase; }
.day-tab .dom { font-size: 1.05rem; font-weight: 700; }
.day-tab .tab-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-top: 2px; }
.day-tab .tab-dot.done { background: var(--success); }
.day-tab.active { border-color: var(--accent); background: var(--accent); }
.day-tab.active .dow, .day-tab.active .dom { color: var(--white); }
.day-tab.active .tab-dot { background: var(--white); }

.sessao-card { padding: 18px; }
.exercicio-item {
    display: flex; align-items: center; gap: 10px; padding: 9px 0;
    border-bottom: 1px dashed var(--border); font-size: .9rem; cursor: pointer;
}
.exercicio-item:last-child { border-bottom: none; }
.exercicio-item input[type="checkbox"] { width: 18px; height: 18px; flex-shrink: 0; accent-color: var(--accent); }
.exercicio-item.feito span { color: var(--muted); text-decoration: line-through; }