/* ============================================
   auth-login.css
   Trang đăng nhập — dùng chung với site.css
   ============================================ */

/* ---------- Layout ---------- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-page);
    padding: 40px 16px;
}

/* ---------- Card ---------- */
.login-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-top: 5px solid var(--primary);
    padding: 48px 52px;
    width: 100%;
    max-width: 460px;
}

/* ---------- Title ---------- */
.login-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    letter-spacing: 0.5px;
    margin-bottom: 28px;
    padding-bottom: 18px;
    border-bottom: 2px solid var(--border-light);
}

/* ---------- Alerts ---------- */
.login-alert {
    border-radius: var(--radius-md);
    padding: 11px 15px;
    font-size: 13.5px;
    font-weight: 500;
    margin-bottom: 20px;
    line-height: 1.5;
}

.login-alert--success {
    background: #dcfce7;
    border: 1px solid #86efac;
    color: #166534;
}

.login-alert--error {
    background: #fee2e2;
    border: 1px solid #fca5a5;
    color: #991b1b;
}

/* ---------- Validation summary ---------- */
.login-validation-summary {
    color: var(--danger);
    font-size: 13px;
    margin-bottom: 16px;
}

.login-validation-summary ul {
    margin: 0;
    padding-left: 18px;
}

/* ---------- Form ---------- */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

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

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

/* ---------- Input ---------- */
.login-input {
    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);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}

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

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

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

/* ---------- Submit button ---------- */
.login-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%;
    margin-top: 6px;
    transition: background 0.2s ease, transform 0.1s ease;
}

.login-btn:hover {
    background: var(--primary-hover);
}

.login-btn:active {
    background: var(--primary-active);
    transform: scale(0.99);
}

/* ---------- Register link ---------- */
.login-register {
    text-align: center;
    font-size: 13.5px;
    color: var(--text-muted);
    margin-top: 4px;
}

.login-register a {
    color: var(--primary);
    font-weight: 600;
    transition: color 0.2s ease;
}

.login-register a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* ---------- Responsive ---------- */
@media (max-width: 520px) {
    .login-card {
        padding: 36px 24px;
    }

    .login-title {
        font-size: 19px;
    }
}