#lottery-registration {
    max-width: 440px;
    margin: 30px auto;
    padding: 30px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border-radius: 16px;
    font-family: 'IRANYekanX', Tahoma, sans-serif;
    color: #fff;
    direction: rtl;
}

#lottery-registration,
#lottery-registration h3,
#lottery-registration p,
#lottery-registration div,
#lottery-registration label,
#lottery-registration input,
#lottery-registration button {
    font-family: 'IRANYekanX', Tahoma, sans-serif;
}

#lottery-registration h3 {
    text-align: center;
    color: #e2b96f;
    margin-bottom: 24px;
}

#lottery-registration .lf-field {
    margin-bottom: 14px;
}

#lottery-registration .lf-label {
    display: block;
    margin-bottom: 6px;
    color: #ccc;
}

#lottery-registration .lf-input {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #444;
    background: #0d0d1a;
    color: #fff;
    box-sizing: border-box;
}

#lottery-registration .lf-input-ltr {
    direction: ltr;
    text-align: left;
}

#lottery-registration .lf-field-err {
    color: #f44336;
    font-size: 12px;
    margin-top: 5px;
    min-height: 16px;
    display: none;
}

#lottery-registration .lf-btn-primary {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #e2b96f, #c9973e);
    color: #1a1a2e;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
}

#lottery-registration .lf-btn-secondary {
    width: 100%;
    padding: 10px;
    background: transparent;
    color: #aaa;
    border: 1px solid #444;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
}

#lottery-registration #lf-otp-countdown {
    margin-top: 10px;
    text-align: center;
    color: #aaa;
    font-size: 13px;
    min-height: 18px;
}

#lottery-registration #lf-step2 p {
    color: #ccc;
    text-align: center;
    margin-bottom: 16px;
}

#lottery-registration #lf-otp-code {
    padding: 14px;
    border: 2px solid #e2b96f;
    background: #0d0d1a;
    color: #e2b96f;
    font-size: 24px;
    text-align: center;
    letter-spacing: 8px;
}

#lottery-registration #lf-step3 {
    text-align: center;
    padding: 20px 0;
}

#lottery-registration .lf-success-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

#lottery-registration .lf-success-text {
    color: #4caf50;
    font-size: 18px;
    font-weight: bold;
}

#lottery-registration .lf-success-sub {
    color: #ccc;
    font-size: 14px;
}

#lottery-registration #lf-message {
    margin-top: 16px;
    text-align: center;
    min-height: 20px;
    font-size: 14px;
}

/* ── بارگذاری رسید خرید (اختیاری) ─────────────────────────────────── */
#lottery-registration .lf-receipt-field {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid #2a3550;
}

#lottery-registration .lf-optional {
    color: #8a93a8;
    font-size: 12px;
}

/* ورودی فایل بومی پنهان می‌شود ولی برای صفحه‌خوان و کیبورد در دسترس می‌ماند،
   چون متن «Choose File / No file chosen» مرورگر قابل ترجمه نیست. */
#lottery-registration .lf-file {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

#lottery-registration .lf-file-picker {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #0d0d1a;
    border: 1px solid #444;
    border-radius: 8px;
    padding: 8px;
}

#lottery-registration .lf-file-btn {
    background: #2a3550;
    color: #fff;
    border-radius: 6px;
    padding: 8px 16px;
    cursor: pointer;
    white-space: nowrap;
    font-size: 13px;
    transition: background .15s ease;
}

#lottery-registration .lf-file-btn:hover {
    background: #3a4463;
}

#lottery-registration .lf-file:focus-visible + .lf-file-picker .lf-file-btn {
    outline: 2px solid #e2b96f;
    outline-offset: 2px;
}

#lottery-registration .lf-file-chosen {
    color: #8a93a8;
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#lottery-registration .lf-file-chosen.has-file {
    color: #4caf50;
}

#lottery-registration .lf-file-name {
    color: #4caf50;
    font-size: 12px;
    margin-top: 6px;
    word-break: break-all;
}

#lottery-registration .lf-hint {
    color: #8a93a8;
    font-size: 11px;
    margin-top: 5px;
}

#lottery-registration .lf-file-btn:disabled,
#lottery-registration .lf-btn-primary:disabled {
    opacity: .6;
    cursor: not-allowed;
}