.usdsc-sched {
    max-width: 640px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #1b2a41;
    box-sizing: border-box;
}
.usdsc-sched *, .usdsc-sched *::before, .usdsc-sched *::after { box-sizing: inherit; }

.usdsc-sched-loading, .usdsc-sched-error {
    padding: 24px;
    text-align: center;
    color: #6b7280;
}
.usdsc-sched-error { color: #b91c1c; }

.usdsc-sched-card {
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 16px;
    background: #fff;
}

.usdsc-sched-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #1b3a6b;
}
.usdsc-sched-hint {
    font-size: 12px;
    color: #6b7280;
    margin: 4px 0 14px;
}

.usdsc-sched-field {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 14px;
    background: #fff;
    color: #1b2a41;
}
.usdsc-sched-field:focus { outline: 2px solid #2563eb; outline-offset: 1px; }

.usdsc-sched-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
@media (max-width: 480px) {
    .usdsc-sched-grid { grid-template-columns: 1fr; }
}

.usdsc-sched-types { display: flex; flex-direction: column; gap: 8px; margin-bottom: 4px; }
.usdsc-sched-type-btn {
    text-align: left;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: #1b2a41;
}
.usdsc-sched-type-btn small { display: block; font-weight: 400; color: #6b7280; font-size: 12px; margin-top: 2px; }
.usdsc-sched-type-btn.selected, .usdsc-sched-type-btn:hover { border-color: #2563eb; background: #eff6ff; }

.usdsc-sched-slots { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; max-height: 260px; overflow-y: auto; }
.usdsc-sched-slot-btn {
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #fff;
    cursor: pointer;
    font-size: 13px;
    color: #1b2a41;
}
.usdsc-sched-slot-btn.selected { background: #2563eb; border-color: #2563eb; color: #fff; }
.usdsc-sched-slot-btn:hover { border-color: #2563eb; }

.usdsc-sched-btn {
    display: inline-block;
    width: 100%;
    padding: 12px 18px;
    border: none;
    border-radius: 8px;
    background: #2563eb;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
}
.usdsc-sched-btn:disabled { opacity: .5; cursor: not-allowed; }
.usdsc-sched-btn-secondary {
    background: #fff;
    color: #1b2a41;
    border: 1px solid #d1d5db;
    width: auto;
    padding: 8px 14px;
    font-weight: 600;
    font-size: 13px;
}

.usdsc-sched-back { margin-bottom: 14px; }

.usdsc-sched-success {
    text-align: center;
    padding: 32px 20px;
}
.usdsc-sched-success h3 { color: #15803d; margin: 12px 0 6px; }

/* Honeypot — hidden from real visitors, left blank; bots fill every field */
.usdsc-sched-hp { position: absolute; left: -9999px; top: -9999px; }