.notice { margin-bottom: 18px; padding: 13px 16px; border: 1px solid; border-radius: 9px; }
.notice.success { background: #eaf8ef; color: #176b38; border-color: #b9e2c8; }
.notice.error { background: #fff0f0; color: #982626; border-color: #f0c2c2; }
.actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.actions form { margin: 0; }
.actions a { color: var(--blue); text-decoration: none; font-weight: 650; }
.badge { display: inline-block; border: 0; border-radius: 999px; padding: 6px 10px; font-size: 12px; font-weight: 700; }
.badge.open { background: #e5f6ec; color: #176b38; }
.badge.closed { background: #eef0f3; color: #616b79; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.form-grid label, .inline-form label { font-size: 14px; font-weight: 650; }
.form-grid input, .form-grid select, .inline-form input {
    display: block;
    width: 100%;
    padding: 11px;
    margin-top: 7px;
    border: 1px solid #cbd5df;
    border-radius: 8px;
    background: white;
    font-size: 15px;
}
.wide { grid-column: 1 / -1; }
.form-actions { display: flex; align-items: center; gap: 18px; }
.form-actions a, .page-head > a:not(.primary) { color: var(--blue); text-decoration: none; }
.page-head > a.primary { color: white; }
.inline-form { display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 15px; align-items: end; }
.secondary { background: #e8eef5; color: var(--nav); padding: 10px 14px; font-weight: 700; }
.exercise { margin-top: 20px; }
.exercise-head { display: flex; align-items: center; justify-content: space-between; }
.exercise-head h2 { margin: 0 0 5px; }
.exercise-head span { color: var(--muted); font-size: 14px; }
.exercise-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.exercise-actions form { margin: 0; }
.period-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 20px; }
.period-grid article { border: 1px solid var(--line); border-radius: 9px; padding: 14px; }
.period-grid article > b { display: block; margin-bottom: 10px; }
.period-grid form { display: inline-block; margin: 3px 3px 0 0; }
.period-grid button { cursor: pointer; }
@media (max-width: 900px) { .inline-form, .period-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) {
    .form-grid, .inline-form, .period-grid { grid-template-columns: 1fr; }
    .wide { grid-column: auto; }
    .exercise-head { align-items: flex-start; gap: 12px; }
    .exercise-actions { width: 100%; justify-content: flex-start; }
}