/* ==================================================================
   หน้าสมัครสมาชิก — ส่วนที่มีเฉพาะหน้านี้
   ต้องโหลดหลัง auth.css · สีทั้งหมดมาจากตัวแปรธีม
================================================================== */

/* ---------- ตัวบอกขั้นตอน: วงกลมเลข + ชื่อขั้น เชื่อมด้วยเส้น ---------- */
.lg-steps {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0 0 20px;
    padding: 0;
}
.lg-steps .dot {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-dim);
    font-size: 0.85rem;
    font-weight: 600;
    transition: color 0.3s;
}
.lg-steps .dot:last-child { flex: none; }
.lg-steps .dot b {
    flex: none;
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1.5px solid var(--lg-line);
    background: var(--lg-field);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    transition: background 0.3s, border-color 0.3s, color 0.3s;
}
.lg-steps .dot:not(:last-child)::after {
    content: "";
    flex: 1;
    height: 2px;
    margin: 0 10px;
    border-radius: 2px;
    background: var(--lg-line);
    transition: background 0.4s;
}
.lg-steps .dot.active { color: var(--text); }
.lg-steps .dot.active b {
    background: var(--main);
    border-color: var(--main);
    color: var(--lg-on);
}
.lg-steps .dot:has(+ .dot.active)::after { background: var(--main); }

.lg-step { display: none; }
.lg-step.active { display: block; animation: lg-step-in 0.35s ease both; }
@keyframes lg-step-in {
    from { opacity: 0; transform: translateX(14px); }
    to   { opacity: 1; transform: none; }
}

/* ---------- ช่องกรอก ---------- */
.lg-input[readonly] { opacity: 0.7; cursor: default; }
.lg-input[readonly]:focus { border-color: var(--lg-line); background: var(--lg-field); }
.lg-field label .hint {
    margin-left: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--main);
}
.lg-field label .js-bank-name:not(:empty)::before { content: "· "; }

/* ชื่อ-นามสกุลเคียงกัน (ไม่มีไอคอน เพื่อให้ช่องกว้างพอบนมือถือ) */
.lg-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.lg-input.plain { padding-left: 14px; }

/* ---------- ปุ่มย้อนกลับ + ถัดไป ---------- */
.lg-nav { display: flex; gap: 10px; margin-top: 4px; }
.lg-nav .lg-btn { flex: 1; }
.lg-step > .lg-btn { margin-top: 4px; }
.lg-btn-ghost {
    flex: none;
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border: 1px solid var(--lg-line);
    border-radius: 14px;
    background: var(--lg-field);
    color: var(--text);
    font-size: 1.1rem;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.12s;
}
.lg-btn-ghost:hover { border-color: var(--main); }
.lg-btn-ghost:active { transform: scale(0.95); }
.lg-btn-ghost:focus-visible { outline: 2px solid var(--main); outline-offset: 2px; }

/* ---------- เลือกธนาคาร ---------- */
.bank-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
}
.bank-option { position: relative; display: block; margin: 0; cursor: pointer; }
.bank-radio { position: absolute; opacity: 0; width: 0; height: 0; }
.bank-inner {
    display: grid;
    place-items: center;
    aspect-ratio: 1;
    border-radius: 12px;
    border: 1px solid var(--lg-line);
    background: var(--lg-field);
    transition: border-color 0.2s, background 0.2s, transform 0.12s;
}
.bank-inner img {
    width: 78%;
    height: 78%;
    object-fit: contain;
    border-radius: 8px;
    background: #fff; /* พื้นขาวคงที่ ให้โลโก้ธนาคารอ่านง่ายทุกธีม */
    padding: 2px;
}
.bank-option:hover .bank-inner { border-color: var(--lg-accent); }
.bank-option:active .bank-inner { transform: scale(0.95); }
.bank-radio:checked + .bank-inner {
    border-color: var(--main);
    background: color-mix(in srgb, var(--main) 22%, var(--lg-field));
    outline: 2px solid var(--main);
    outline-offset: -2px;
}
.bank-radio:checked + .bank-inner::after {
    content: "\f00c";
    font-family: "Font Awesome 7 Free";
    font-weight: 900;
    position: absolute;
    top: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--main);
    color: var(--lg-on);
    font-size: 0.6rem;
}
.bank-radio:focus-visible + .bank-inner { outline: 2px solid var(--text); outline-offset: 2px; }

/* ---------- PIN 6 หลัก ---------- */
.pin-group { display: flex; gap: 8px; margin-bottom: 2px; }
.pin-box {
    flex: 1;
    min-width: 0;
    height: 54px;
    padding: 0;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    background: var(--lg-field);
    border: 1px solid var(--lg-line);
    border-radius: 12px;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}
.pin-box:focus { border-color: var(--main); background: var(--bg-main); }
.pin-box:focus-visible { outline: 2px solid var(--lg-accent); outline-offset: 2px; }

@media (max-width: 340px) {
    .bank-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .pin-group { gap: 5px; }
    .lg-row { grid-template-columns: 1fr; gap: 0; }
    .lg-steps .dot span { display: none; }
    .lg-steps .dot.active span { display: inline; }
}
@media (prefers-reduced-motion: reduce) {
    .lg-step.active { animation: none; }
}