/* =========================================================================
   kn-booking.css — trang Đặt xe `/dat-xe` (module Booking · M04/M1).

   Chỉ chứa style riêng của trang; các lớp dùng chung (.kn-container, .kn-btn,
   .kn-breadcrumb, .kn-sr-only) đã nằm ở kn-base.css.
   ========================================================================= */

.kn-booking { padding-bottom: 72px; }

.kn-booking__head { max-width: 720px; padding-top: 10px; }
.kn-booking__head h1 { margin: 0 0 10px; font-size: clamp(26px, 4vw, 36px); }
.kn-booking__head p { margin: 0; color: var(--kn-muted); font-size: 16px; line-height: 1.65; }

/* --------------------------------------------------------------- layout --- */
.kn-booking__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    margin-top: 26px;
}

.kn-booking__aside { display: grid; gap: 20px; }

.kn-booking__panel {
    background: #fff;
    border: 1px solid var(--kn-border);
    border-radius: var(--kn-radius);
    box-shadow: var(--kn-shadow);
    padding: 24px;
}

.kn-booking__panel--soft { background: var(--kn-bg-mist); }

.kn-booking__panel h2 {
    margin: 0 0 16px;
    font-size: 19px;
    color: var(--kn-primary-dark);
}

/* ---------------------------------------------------------------- form --- */
.kn-form { display: grid; gap: 16px; }

.kn-form__row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.kn-field { display: grid; gap: 6px; margin: 0; }

.kn-field > label {
    font-size: 14px;
    font-weight: 600;
    color: var(--kn-text);
}

.kn-field > label span { color: var(--kn-danger); }
.kn-field > label small { font-weight: 400; color: var(--kn-muted); }

.kn-field input,
.kn-field select,
.kn-field textarea {
    width: 100%;
    min-height: 44px;
    padding: 10px 13px;
    font: inherit;
    font-size: 15px;
    color: var(--kn-text);
    background: var(--kn-bg-mist);
    border: 1px solid var(--kn-border);
    border-radius: var(--kn-radius-sm);
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.kn-field textarea { resize: vertical; min-height: 88px; line-height: 1.6; }

.kn-field input:focus,
.kn-field select:focus,
.kn-field textarea:focus {
    background: #fff;
    border-color: var(--kn-primary);
    box-shadow: 0 0 0 3px rgba(70, 190, 39, .16);
    outline: none;
}

/* Ô input đang báo lỗi phía server. */
.kn-field input[aria-invalid="true"],
.kn-field select[aria-invalid="true"] { border-color: var(--kn-danger); }

.kn-field__error { font-size: 13px; color: var(--kn-danger); }

.kn-form__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 4px;
}

.kn-form__hint { margin: 0; font-size: 13px; color: var(--kn-muted); }
.kn-form__hint a { color: var(--kn-primary-dark); font-weight: 600; }

.kn-form--track { gap: 12px; }
.kn-form--track .kn-btn { justify-self: start; }

/* Honeypot — nằm ngoài màn hình (KHÔNG dùng display:none, bot hay bỏ qua). */
.kn-hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* --------------------------------------------------------------- alert --- */
.kn-alert {
    margin-top: 20px;
    padding: 14px 18px;
    border-radius: var(--kn-radius-sm);
    font-size: 14px;
    line-height: 1.6;
}

.kn-alert--error {
    background: #FDECEA;
    border: 1px solid #F5C6C0;
    color: #8C1D13;
}

.kn-alert ul { margin: 8px 0 0; padding-left: 18px; }
.kn-alert li + li { margin-top: 2px; }

/* ------------------------------------------------------- trạng thái OK --- */
.kn-booking__done {
    margin-top: 26px;
    padding: 34px 28px;
    text-align: center;
    background: #fff;
    border: 1px solid var(--kn-border);
    border-radius: var(--kn-radius);
    box-shadow: var(--kn-shadow-lg);
}

.kn-booking__done h2 { margin: 10px 0 18px; color: var(--kn-primary-dark); }

.kn-booking__done-icon {
    width: 52px;
    height: 52px;
    color: var(--kn-primary);
}

.kn-booking__done-label { margin: 0; font-size: 14px; color: var(--kn-muted); }

.kn-booking__code {
    display: inline-block;
    margin: 6px 0 22px;
    padding: 10px 22px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--kn-primary-dark);
    background: var(--kn-bg-soft);
    border: 1px dashed var(--kn-primary);
    border-radius: var(--kn-radius-sm);
}

.kn-booking__done-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px 32px;
    margin: 0 0 20px;
}

.kn-booking__done-meta > div { text-align: center; }
.kn-booking__done-meta dt { font-size: 13px; color: var(--kn-muted); }
.kn-booking__done-meta dd { margin: 2px 0 0; font-size: 16px; font-weight: 700; }

.kn-booking__breakdown {
    max-width: 460px;
    margin: 0 auto 18px;
    text-align: left;
    background: var(--kn-bg-mist);
    border: 1px solid var(--kn-border);
    border-radius: var(--kn-radius-sm);
    padding: 12px 16px;
}

.kn-booking__breakdown summary { cursor: pointer; font-weight: 600; font-size: 14px; }

.kn-booking__breakdown ul {
    margin: 10px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 8px;
}

.kn-booking__breakdown li {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    font-size: 14px;
}

.kn-booking__breakdown li span { color: var(--kn-muted); }

.kn-booking__note { margin: 0; font-size: 14px; color: var(--kn-muted); line-height: 1.7; }
.kn-booking__note a { color: var(--kn-primary-dark); font-weight: 600; }

.kn-booking__dbnote {
    margin: 24px 0 0;
    padding: 12px 16px;
    font-size: 13px;
    color: var(--kn-muted);
    background: var(--kn-bg-soft);
    border-radius: var(--kn-radius-sm);
}

/* --------------------------------------------------------- báo giá nhanh --- */
.kn-booking__hint { margin: -6px 0 14px; font-size: 13px; color: var(--kn-muted); line-height: 1.6; }

.kn-quote {
    background: var(--kn-bg-soft);
    border: 1px solid var(--kn-border);
    border-radius: var(--kn-radius-sm);
    padding: 14px 16px;
}

.kn-quote__idle { margin: 0; font-size: 14px; color: var(--kn-muted); }

.kn-quote__list { margin: 0; padding: 0; list-style: none; display: grid; gap: 7px; }

.kn-quote__list li {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    font-size: 14px;
}

.kn-quote__list li span { color: var(--kn-muted); }

.kn-quote__total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 14px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--kn-primary);
}

.kn-quote__total span { font-size: 14px; color: var(--kn-muted); }
.kn-quote__total strong { font-size: 22px; color: var(--kn-primary-dark); }

.kn-quote__expiry { margin: 8px 0 0; font-size: 12px; color: var(--kn-muted); }

.kn-quote__error { margin: 0; font-size: 13px; color: var(--kn-danger); }

/* ------------------------------------------------------------ tra cứu --- */
.kn-track-result {
    margin-top: 16px;
    padding: 14px 16px;
    background: var(--kn-bg-mist);
    border: 1px solid var(--kn-border);
    border-radius: var(--kn-radius-sm);
}

.kn-track-result__status {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    margin: 0;
    font-size: 14px;
}

.kn-track-result__status strong { color: var(--kn-primary-dark); }

.kn-track-result__assign { margin: 6px 0 0; font-size: 13px; color: var(--kn-muted); }

.kn-timeline {
    margin: 14px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}

.kn-timeline li {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2px 12px;
    padding-left: 16px;
    position: relative;
    font-size: 13px;
}

.kn-timeline li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--kn-primary);
}

.kn-timeline__label { font-weight: 600; }
.kn-timeline time { color: var(--kn-muted); }
.kn-timeline__note { grid-column: 1 / -1; color: var(--kn-muted); }

/* ------------------------------------------------------------ ưu điểm --- */
.kn-booking__points {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
    font-size: 14px;
    color: var(--kn-muted);
    line-height: 1.6;
}

.kn-booking__points li {
    padding-left: 24px;
    position: relative;
}

.kn-booking__points li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 700;
    color: var(--kn-primary);
}

/* --------------------------------------------------------- nút đang gửi --- */
.kn-btn.is-busy { opacity: .65; pointer-events: none; }

/* ---------------------------------------------------------- responsive --- */
@media (max-width: 960px) {
    .kn-booking__grid { grid-template-columns: 1fr; }
    .kn-booking__aside { order: -1; }
}

@media (max-width: 620px) {
    .kn-booking__panel { padding: 18px; }
    .kn-form__row { grid-template-columns: 1fr; }
    .kn-form__actions .kn-btn { width: 100%; }
    .kn-booking__code { font-size: 21px; }
}