/* ========================================
   BACKGROUND ANIMATION
   ======================================== */
.background-animation {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: linear-gradient(160deg, rgba(99, 102, 241, 0.18), transparent 55%),
        linear-gradient(220deg, rgba(236, 72, 153, 0.14), transparent 65%);
}

.background-animation::before,
.background-animation::after {
    content: '';
    position: absolute;
    width: clamp(220px, 30vw, 360px);
    height: clamp(220px, 30vw, 360px);
    border-radius: 50%;
    opacity: 0.18;
    filter: blur(70px);
    background: radial-gradient(circle, rgba(99, 102, 241, 0.75), transparent 70%);
    animation: floatAccent 26s ease-in-out infinite;
}

.background-animation::before {
    top: -10%;
    left: -5%;
}

.background-animation::after {
    bottom: -12%;
    right: -8%;
    animation-delay: -8s;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.65), transparent 70%);
}

@keyframes floatAccent {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(24px, -32px, 0);
    }
}

/* ========================================
   FORM FEEDBACK
   ======================================== */
.form-feedback-box {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
}

.message-success {
    color: var(--admin-success, #10b981);
    margin: 1rem 0;
}

.message-error {
    color: var(--admin-danger, #ef4444);
    margin: 1rem 0;
}

/* ===========================================
   PRELOADER ANIMATION
   =========================================== */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.15), transparent 45%),
        radial-gradient(circle at 80% 10%, rgba(236, 72, 153, 0.1), transparent 50%),
        linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.preloader-logo {
    font-family: var(--font-family-display);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: preloader-pulse 2s ease-in-out infinite;
}

.preloader-spinner {
    position: relative;
    width: 80px;
    height: 80px;
}

.spinner-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 50%;
    border: 3px solid transparent;
    animation: spinner-rotate 1.5s linear infinite;
}

.spinner-ring:nth-child(1) {
    width: 80px;
    height: 80px;
    margin: -40px 0 0 -40px;
    border-top-color: var(--color-primary);
    border-right-color: rgba(99, 102, 241, 0.3);
    animation-duration: 1.5s;
}

.spinner-ring:nth-child(2) {
    width: 60px;
    height: 60px;
    margin: -30px 0 0 -30px;
    border-top-color: var(--color-secondary);
    border-left-color: rgba(139, 92, 246, 0.3);
    animation-duration: 1.2s;
    animation-direction: reverse;
}

.spinner-ring:nth-child(3) {
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border-top-color: var(--color-accent);
    border-right-color: rgba(236, 72, 153, 0.3);
    animation-duration: 0.9s;
}

.preloader-text {
    font-family: var(--font-family-base);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    animation: preloader-fade 1.5s ease-in-out infinite;
}

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

@keyframes preloader-pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.02);
    }
}

@keyframes preloader-fade {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

/* Preloader için reduced motion desteği */
@media (prefers-reduced-motion: reduce) {
    .preloader-logo,
    .preloader-text,
    .spinner-ring {
        animation: none;
    }
    
    .spinner-ring {
        border-color: var(--color-primary);
        opacity: 0.5;
    }
    
    .spinner-ring:nth-child(2) {
        border-color: var(--color-secondary);
    }
    
    .spinner-ring:nth-child(3) {
        border-color: var(--color-accent);
    }
}