/* ============================================
   auth-register.css
   Trang đăng ký — dùng chung với site.css
   ============================================ */

/* ---------- Layout ---------- */
.register-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-page);
    padding: 48px 16px;
}

/* ---------- Title ---------- */
.register-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    letter-spacing: 0.5px;
    margin-bottom: 28px;
}

/* ---------- Form card ---------- */
.register-form {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-top: 5px solid var(--primary);
    padding: 44px 52px;
    width: 100%;
    max-width: 640px;
}

/* ---------- Validation summary ---------- */
.register-validation-summary {
    color: var(--danger);
    font-size: 13px;
    margin-bottom: 16px;
}
.register-validation-summary ul {
    margin: 0;
    padding-left: 18px;
}

/* ---------- Grid 2 cột ---------- */
.register-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 24px;
    margin-bottom: 24px;
}

/* ---------- Field group ---------- */
.register-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.register-group--full {
    grid-column: 1 / -1;
}

/* ---------- Label ---------- */
.register-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ---------- Input / Select ---------- */
.register-input,
.register-select {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    font-size: 14px;
    font-family: inherit;
    background: white;
    color: var(--text-primary);
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.register-input::placeholder {
    color: #b0b7c3;
}

.register-input:focus,
.register-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(179, 0, 0, 0.08);
    outline: none;
}

/* ---------- Field validation ---------- */
.register-validation {
    color: var(--danger);
    font-size: 12px;
    min-height: 16px;
}

/* ---------- Submit button ---------- */
.register-btn {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: 11px 24px;
    font-size: 14.5px;
    font-weight: 700;
    letter-spacing: 0.3px;
    cursor: pointer;
    width: 100%;
    transition: background 0.2s ease, transform 0.1s ease;
}

.register-btn:hover  { background: var(--primary-hover); }
.register-btn:active { background: var(--primary-active); transform: scale(0.99); }
.register-btn:disabled {
    background: #d1d5db;
    cursor: not-allowed;
    transform: none;
}

/* ---------- Login link ---------- */
.register-login {
    text-align: center;
    font-size: 13.5px;
    color: var(--text-muted);
    margin-top: 16px;
}
.register-login a {
    color: var(--primary);
    font-weight: 600;
    transition: color 0.2s ease;
}
.register-login a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* ============================================
   OTP Modal Overlay
   ============================================ */
.otp-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.otp-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

/* ---------- Modal box ---------- */
.otp-modal {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-top: 5px solid var(--primary);
    padding: 40px 44px;
    width: 100%;
    max-width: 420px;
    transform: translateY(12px);
    transition: transform 0.2s ease;
    text-align: center;
}

.otp-overlay.is-visible .otp-modal {
    transform: translateY(0);
}

/* ---------- Icon ---------- */
.otp-modal__icon {
    width: 52px;
    height: 52px;
    background: rgba(179, 0, 0, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 22px;
}

/* ---------- Texts ---------- */
.otp-modal__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.otp-modal__desc {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.6;
}

.otp-modal__email {
    font-weight: 600;
    color: var(--text-secondary);
}

/* ---------- Alert trong modal ---------- */
.otp-modal__alert {
    border-radius: var(--radius-md);
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
    text-align: left;
    display: none;
}
.otp-modal__alert.is-error {
    display: block;
    background: #fee2e2;
    border: 1px solid #fca5a5;
    color: #991b1b;
}
.otp-modal__alert.is-success {
    display: block;
    background: #dcfce7;
    border: 1px solid #86efac;
    color: #166534;
}

/* ---------- OTP input ---------- */
.otp-modal__input {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 8px;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 16px;
    font-family: monospace;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.otp-modal__input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(179, 0, 0, 0.08);
    outline: none;
}

/* ---------- Confirm button ---------- */
.otp-modal__btn-confirm {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: 11px 24px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    margin-bottom: 12px;
    transition: background 0.2s ease, transform 0.1s ease;
}
.otp-modal__btn-confirm:hover  { background: var(--primary-hover); }
.otp-modal__btn-confirm:active { background: var(--primary-active); transform: scale(0.99); }
.otp-modal__btn-confirm:disabled {
    background: #d1d5db;
    cursor: not-allowed;
    transform: none;
}

/* ---------- Resend area ---------- */
.otp-modal__resend {
    font-size: 13px;
    color: var(--text-muted);
}

.otp-modal__resend-btn {
    background: none;
    border: none;
    padding: 0;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.2s ease;
}
.otp-modal__resend-btn:hover { color: var(--primary-hover); text-decoration: underline; }
.otp-modal__resend-btn:disabled {
    color: var(--text-muted);
    cursor: default;
    text-decoration: none;
}

/* ---------- Countdown ---------- */
.otp-modal__countdown {
    font-weight: 600;
    color: var(--primary);
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
    .register-form  { padding: 36px 24px; }
    .register-grid  { grid-template-columns: 1fr; }
    .otp-modal      { padding: 32px 24px; }
}