body {
    background-image: url(../assets/background.png);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-card {
    background: #23272b;
    border-radius: 18px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.10);
    padding: 32px 28px;
    max-width: 400px;
    backdrop-filter: blur(4px);
}
.login-title {
    margin-bottom: 25px;
    font-weight: 600;
    text-align: center;
}
.login-subtitle {
    font-size: 14px;
    font-weight: 600;
}

.btn-login {
    background-color: #ff9900;
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 10px;
    width: 100%;
    margin-top: 15px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* Animasi loading kompleks */
.loading-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-outer {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 5px solid rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    border-left-color: transparent;
    border-right-color: transparent;
    animation: rotate-outer 1.5s linear infinite forwards;
    position: relative;
}

.loading-inner {
    width: 70px;
    height: 70px;
    border-radius: inherit;
    border: 5px solid rgba(255, 255, 255, 0.8);
    border-top-color: transparent;
    border-bottom-color: transparent;
    animation: rotate-inner 1.5s linear infinite forwards;
    position: absolute;
}

.loading-core {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(90deg, rgb(111, 34, 83), rgb(253, 64, 149));
    animation: pulse 1.5s ease-in-out infinite alternate;
    position: absolute;
}

.loading-spark {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    animation: spark 2s ease-in-out infinite;
}

.spark1 {
    transform: translate(50px, 0);
    animation-delay: 0s;
}
.spark2 {
    transform: translate(0, 50px);
    animation-delay: 0.4s;
}
.spark3 {
    transform: translate(-50px, 0);
    animation-delay: 0.8s;
}
.spark4 {
    transform: translate(0, -50px);
    animation-delay: 1.2s;
}
.spark5 {
    transform: translate(35px, 35px);
    animation-delay: 1.6s;
}
.spark6 {
    transform: translate(-35px, 35px);
    animation-delay: 2s;
}

@keyframes rotate-outer {
    0% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(200deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes rotate-inner {
    0% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(-400deg);
    }
    100% {
        transform: rotate(-720deg);
    }
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        box-shadow: 0 0 0 0 rgba(253, 64, 149, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 15px rgba(253, 64, 149, 0);
    }
    100% {
        transform: scale(0.8);
        box-shadow: 0 0 0 0 rgba(253, 64, 149, 0);
    }
}

@keyframes spark {
    0%,
    100% {
        transform: translateY(0) scale(0);
        opacity: 0;
    }
    50% {
        transform: translateY(-20px) scale(1);
        opacity: 1;
    }
}

.show-loading {
    display: flex;
}

.btn-loading {
    color: transparent;
    background-color: #3b85fd;
    cursor: not-allowed;
}

.btn-login:hover {
    background-color: #e68a00;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.login-title, .login-subtitle {
    color: #b48a3a;
    text-shadow: none;
}

.login-card label {
    color: #b48a3a;
    text-shadow: none;
}
