/* 登录页面样式 */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 50%, #1e3a5f 100%);
    padding: 20px;
}

.login-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 420px;
    padding: 40px 36px;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.login-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 6px;
}

.login-header p {
    color: #94a3b8;
    font-size: 14px;
    margin: 0;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.login-form .form-group {
    margin: 0;
}

.login-form .form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #475569;
    margin-bottom: 6px;
}

.input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 12px;
    font-size: 16px;
    z-index: 1;
    pointer-events: none;
}

.login-input {
    width: 100%;
    padding: 10px 12px 10px 40px;
    font-size: 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
    color: #1e293b;
    box-sizing: border-box;
}

.login-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.toggle-password {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    padding: 4px;
    color: #94a3b8;
    z-index: 1;
}

.toggle-password:hover {
    color: #475569;
}

.field-error {
    display: block;
    color: #ef4444;
    font-size: 13px;
    margin-top: 4px;
    min-height: 0;
}

.form-check-wrap {
    display: flex;
    align-items: center;
}

.remember-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    font-size: 14px;
    color: #64748b;
}

.remember-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #3b82f6;
    cursor: pointer;
}

.btn-login {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    background: #3b82f6;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 4px;
}

.btn-login:hover {
    background: #2563eb;
}

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

.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid #f1f5f9;
    color: #94a3b8;
    font-size: 13px;
}

.alert-danger {
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}