.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    flex-direction: column;
}

.loading-spinner.active {
    display: flex;
}

.spinner-container {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.spinner-layer {
    position: absolute;
    border-radius: 50%;
    border-style: solid;
    border-color: transparent;
}

/* Spinner luar - lambat */
.spinner-outer {
    width: 180px;
    height: 180px;
    border-width: 8px;
    border-top-color: var(--primary);
    border-right-color: var(--primary);
    animation: spin-slow 3s linear infinite;
}

/* Spinner tengah - sedang */
.spinner-middle {
    width: 140px;
    height: 140px;
    border-width: 6px;
    border-top-color: var(--success);
    border-right-color: var(--success);
    animation: spin-medium 2s linear infinite reverse;
}

/* Spinner dalam - cepat */
.spinner-inner {
    width: 100px;
    height: 100px;
    border-width: 4px;
    border-top-color: var(--danger);
    border-right-color: var(--danger);
    animation: spin-fast 1s linear infinite;
}

/* Logo di tengah */
.spinner-logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    color: white;
    animation: pulse 2s ease-in-out infinite;
}

/* Animasi putar */
@keyframes spin-slow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes spin-medium {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

@keyframes spin-fast {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.loading-text {
    margin-top: 20px;
    color: var(--dark);
    font-size: 18px;
    font-weight: 500;
    text-align: center;
}