.book-wrap {
    max-width: 920px;
    margin: 24px auto 40px;
    padding: 0 16px;
    box-sizing: border-box;
}
.book-card {
    background: rgba(10, 22, 52, 0.72);
    border: 1px solid rgba(140, 170, 255, 0.22);
    border-radius: 14px;
    padding: 22px 22px 28px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    color: #dce6f5;
}
.book-card h1 {
    margin: 0 0 8px;
    color: #ef7720;
    font-size: 28px;
    text-align: center;
}
.book-card .intro {
    margin: 0 0 18px;
    color: #c5d2ea;
}
.book-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 16px;
}
.book-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.book-field.full {
    grid-column: 1 / -1;
}
.book-field label {
    font-size: 13px;
    font-weight: 700;
    color: #8ec8ff;
}
.book-field label .req {
    color: #ff6b6b;
}
.book-field input,
.book-field select,
.book-field textarea {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #ffcf0a;
    border-radius: 8px;
    padding: 8px 10px;
    background: #071226;
    color: #f4f7ff;
    font-size: 14px;
}
.book-field textarea {
    min-height: 78px;
    resize: vertical;
}
.maps-input-row {
    display: flex;
    align-items: stretch;
    gap: 8px;
}
.maps-input-row input {
    flex: 1 1 auto;
    min-width: 0;
}
.maps-open-btn {
    flex: 0 0 auto;
    white-space: nowrap;
    border: 1px solid #ffcf0a;
    border-radius: 8px;
    padding: 8px 12px;
    background: #0a3a6e;
    color: #f4f7ff;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}
.maps-open-btn:hover {
    background: #0d4d93;
}
.field-error {
    color: #ff8a8a;
    font-size: 12px;
}
.field-help {
    font-size: 12px;
    color: #9bb4cc;
    margin-top: 6px;
}
/* OTP Row */
.otp-input-row {
    display: flex;
    gap: 8px;
    align-items: stretch;
}
.otp-input-row input {
    flex: 1 1 auto;
    min-width: 0;
}
.btn-otp {
    flex: 0 0 auto;
    white-space: nowrap;
    border: 1px solid #efc56a;
    border-radius: 8px;
    padding: 8px 14px;
    background: #14356b;
    color: #f6f9ff;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}
.btn-otp:hover:not(:disabled) {
    background: #1e4a94;
    border-color: #ffd700;
}
.btn-otp:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.otp-verified-badge {
    display: none;
    align-items: center;
    gap: 4px;
    color: #4ade80;
    font-size: 12px;
    font-weight: 600;
    margin-top: 4px;
}
.otp-msg {
    font-size: 12px;
    margin-top: 4px;
    display: none;
}
.otp-msg.success {
    color: #4ade80;
    display: block;
}
.otp-msg.error {
    color: #ff8a8a;
    display: block;
}

/* Robot Checkbox Box */
.robot-check-card {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(140, 170, 255, 0.35);
    border-radius: 8px;
    padding: 12px 18px;
    max-width: 320px;
    box-sizing: border-box;
    user-select: none;
}
.robot-check-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    margin: 0;
}
.robot-check-input {
    width: 22px;
    height: 22px;
    cursor: pointer;
    accent-color: #2563eb;
    margin: 0;
}
.robot-check-text {
    font-size: 14px;
    font-weight: 600;
    color: #f1f5f9;
}
.robot-badge-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1;
}
.robot-badge-icon svg {
    color: #60a5fa;
}
.robot-badge-text {
    font-size: 9px;
    color: #94a3b8;
    margin-top: 3px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.book-submit {
    margin-top: 18px;
}
.flash-ok, .flash-err {
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 14px;
}
.flash-ok {
    background: rgba(40, 120, 60, 0.25);
    border: 1px solid #3c950c;
    color: #b8f0a8;
}
.flash-err {
    background: rgba(140, 30, 30, 0.25);
    border: 1px solid #c45c5c;
    color: #ffb4b4;
}
@media (max-width: 768px) {
    .book-grid {
        grid-template-columns: 1fr;
    }
    .book-field.full {
        grid-column: 1;
    }
    .maps-input-row {
        flex-direction: column;
        align-items: stretch;
    }
    .maps-open-btn {
        width: 100%;
    }
}