* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
}

body {
    width: 100vw;
    height: 100vh;
    background: linear-gradient(145deg, #f0f2f8 0%, #e6eaf0 100%);
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-page {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    background: #ffffff;
    padding: 50px 40px 40px;
    border-radius: 56px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.08), 0 10px 30px rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.5);
    width: 100%;
    max-width: 460px;
    text-align: center;
    backdrop-filter: blur(2px);
    transition: 0.3s;
}

.login-header {
    margin-bottom: 32px;
}

.shield-icon {
    font-size: 3.6rem;
    color: #f5a623;
    margin-bottom: 8px;
}

.login-header h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: #1a1a2e;
    letter-spacing: -0.5px;
}

.device-info {
    font-size: 1.1rem;
    color: #888;
    margin-top: 6px;
}

.device-info i {
    color: #00a3b8;
    margin-right: 8px;
}

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

.input-group {
    position: relative;
    display: flex;
    align-items: center;
    background: #f5f7fc;
    border-radius: 60px;
    padding: 0 22px;
    border: 2px solid #e6eaf0;
    transition: 0.25s ease;
}

.input-group:focus-within {
    border-color: #f5a623;
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.1);
}

.input-group i {
    color: #999;
    font-size: 1.2rem;
    margin-right: 14px;
}

.input-group input {
    background: transparent;
    border: none;
    padding: 18px 0;
    font-size: 1.1rem;
    width: 100%;
    outline: none;
    color: #1a1a2e;
}

.input-group input::placeholder {
    color: #bbb;
}

.login-btn {
    background: #f5a623;
    border: none;
    padding: 18px;
    border-radius: 60px;
    font-size: 1.3rem;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 6px;
    box-shadow: 0 8px 20px rgba(245, 166, 35, 0.25);
}

.login-btn:hover {
    background: #e0991e;
    transform: scale(1.02);
    box-shadow: 0 12px 28px rgba(245, 166, 35, 0.35);
}

.login-btn:active {
    transform: scale(0.98);
}

.login-error {
    color: #e63946;
    font-size: 0.95rem;
    min-height: 28px;
    margin-top: 2px;
}

.login-footer {
    margin-top: 24px;
    color: #aaa;
    font-size: 0.9rem;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.login-footer i {
    color: #f5a623;
    margin-right: 6px;
}

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        padding: 30px 20px 30px;
        border-radius: 32px;
        margin: 0 16px;
    }
    .login-header h1 {
        font-size: 2.2rem;
    }
}