/* ===== TRANG ĐĂNG KÝ ===== */

#step1 {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Mô tả bước OTP */
.dk-desc {
    font-size: 14px;
    color: #333;
    text-align: center;
    line-height: 1.7;
    margin: 4px 0 0;
}

.dk-desc-small {
    font-size: 12px;
    color: #888;
    text-align: center;
    margin: 6px 0 16px;
}

/* 6 ô OTP */
.dk-otp-row {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin: 4px 0;
}

.dk-otp-box {
    width: 44px;
    height: 52px;
    border: 1.5px solid #e0e0e0;
    border-radius: 10px;
    background: #fff;
    text-align: center;
    font-family: 'Inter', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: #222;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.dk-otp-box:focus {
    border-color: #7ABEFA;
    box-shadow: 0 0 0 3px rgba(122,190,250,0.15);
}

/* Countdown */
.dk-countdown-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: #666;
    margin: 10px 0 4px;
}

.dk-countdown {
    font-weight: 700;
    color: #e53935;
}

/* Nút xác nhận */
.dk-otp-confirm-btn {
    margin-top: 14px;
    width: 100%;
}

/* Gửi lại */
.dk-resend-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: #777;
    margin-top: 10px;
}

.dk-resend-btn {
    background: none;
    border: none;
    color: #7ABEFA;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

.dk-resend-btn:disabled {
    color: #bbb;
    cursor: default;
}

/* Lỗi */
.dk-error {
    color: #e53935;
    font-size: 13px;
    margin-top: -8px;
    line-height: 1.4;
}

/* Thành công */
.dk-success-icon {
    font-size: 52px;
    color: #4CAF50;
    display: block;
    margin-bottom: 12px;
}