:root {
    --primary: #FFA200;
    --primary-hover: #e69100;
    --bg-color: #F8FAFC;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --text-main: #1E293B;
    --text-muted: #64748B;
}

body {
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at top right, rgba(255, 162, 0, 0.05), transparent),
                      radial-gradient(circle at bottom left, rgba(255, 162, 0, 0.05), transparent);
    font-family: 'Plus Jakarta Sans', sans-serif;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    overflow: hidden;
}

.login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 32px;
    padding: 56px;
    width: 100%;
    max-width: 460px;
    border: 1px solid rgba(255, 162, 0, 0.1);
    animation: fadeInScale 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.welcome-text {
    color: var(--text-main);
    font-weight: 800;
    font-size: 32px;
    letter-spacing: -0.5px;
}

.brand-logo {
    width: 64px;
    filter: drop-shadow(0 4px 10px rgba(255, 162, 0, 0.2));
}

.form-label {
    font-weight: 700;
    font-size: 13.5px;
    color: var(--text-main);
    margin-bottom: 10px;
    display: block;
}

.form-control {
    background-color: #F1F5F9;
    border: 2px solid transparent;
    border-radius: 16px;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-control:focus {
    background-color: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 0 5px rgba(255, 162, 0, 0.15);
    outline: none;
}

.btn-login {
    background: linear-gradient(135deg, var(--primary), #FFB733);
    border: none;
    border-radius: 16px;
    color: #fff;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 162, 0, 0.3);
}

.btn-login:active {
    transform: translateY(0);
}

.error-alert {
    background-color: #FFF1F2;
    color: #E11D48;
    padding: 16px;
    border-radius: 16px;
    border: 1px solid #FECDD3;
}

.animate-shake {
    animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
    10%, 90% { transform: translate3d(-1px, 0, 0); }
    20%, 80% { transform: translate3d(2px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
    40%, 60% { transform: translate3d(4px, 0, 0); }
}

.fs-13 { font-size: 13px; }
.fs-12 { font-size: 12px; }
.fw-800 { font-weight: 800; }
.br-12 { border-radius: 12px; }

/* Responsive Login */
@media (max-width: 575.98px) {
    body {
        padding: 20px;
        overflow: auto;
    }

    .login-card {
        padding: 32px 24px;
        border-radius: 24px;
    }

    .welcome-text {
        font-size: 24px;
    }
}