/* ============================================
   MODERNIZACIJA - ANIMATIONS & EFFECTS
   PED Majevica 1988
   ============================================ */

/* ================== GLASSMORPHISM ================== */

.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

.dark .glass-card {
    background: rgba(15, 23, 42, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ================== ENHANCED SHADOWS ================== */

.shadow-elegant {
    box-shadow: 
        0 2px 4px rgba(0, 51, 102, 0.08),
        0 4px 8px rgba(0, 51, 102, 0.06),
        0 8px 16px rgba(0, 51, 102, 0.04);
}

.shadow-elegant-lg {
    box-shadow: 
        0 4px 8px rgba(0, 51, 102, 0.1),
        0 8px 16px rgba(0, 51, 102, 0.08),
        0 16px 32px rgba(0, 51, 102, 0.06);
}

.dark .shadow-elegant,
.dark .shadow-elegant-lg {
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.3),
        0 8px 16px rgba(0, 0, 0, 0.2),
        0 16px 32px rgba(0, 0, 0, 0.1);
}

/* ================== SMOOTH HOVER EFFECTS ================== */

.card-hover {
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    will-change: transform;
}

.card-hover:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow:
        0 12px 24px rgba(0, 51, 102, 0.12),
        0 24px 48px rgba(0, 51, 102, 0.1);
}

.dark .card-hover:hover {
    box-shadow: 
        0 12px 24px rgba(0, 0, 0, 0.4),
        0 24px 48px rgba(0, 0, 0, 0.3);
}

/* ================== BUTTON RIPPLE EFFECT ================== */

.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
    width: 300px;
    height: 300px;
}

/* ================== SKELETON LOADERS ================== */

.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

.dark .skeleton {
    background: linear-gradient(
        90deg,
        #1e293b 25%,
        #334155 50%,
        #1e293b 75%
    );
    background-size: 200% 100%;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ================== GRADIENT ANIMATIONS ================== */

.gradient-animate {
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* ================== PULSE ANIMATION ================== */

.pulse-slow {
    animation: pulse-slow 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-slow {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* ================== FLOATING ANIMATION ================== */

.float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ================== SCALE ON HOVER ================== */

.scale-hover {
    transition: transform 0.3s ease-in-out;
}

.scale-hover:hover {
    transform: scale(1.05);
}

/* ================== SMOOTH FADE IN ================== */

.fade-in {
    animation: fadeIn 1.2s ease-out;
}

.fade-in-up {
    animation: fadeInUp 1.5s ease-out 1s both !important;
    opacity: 0;
}

.fade-in-down {
    animation: fadeInDown 1.5s ease-out 1s both !important;
    opacity: 0;
}

.fade-in-left {
    animation: fadeInLeft 1.5s ease-out 1s both !important;
    opacity: 0;
}

.fade-in-right {
    animation: fadeInRight 1.5s ease-out 1s both !important;
    opacity: 0;
}

.fade-in-delay-1 {
    animation: fadeInUp 1.5s ease-out 1.3s both !important;
    opacity: 0;
}

.fade-in-delay-2 {
    animation: fadeInUp 1.5s ease-out 1.6s both !important;
    opacity: 0;
}

.fade-in-delay-3 {
    animation: fadeInUp 1.5s ease-out 1.9s both !important;
    opacity: 0;
}

.fade-in-delay-4 {
    animation: fadeInUp 1.5s ease-out 2.2s both !important;
    opacity: 0;
}

/* Animacije bez preloader delaya (za stranice bez preloadera) */
.fade-in-up-instant {
    animation: fadeInUp 1.5s ease-out 0.2s both !important;
    opacity: 0;
}

.fade-in-delay-1-instant {
    animation: fadeInUp 1.5s ease-out 0.4s both !important;
    opacity: 0;
}

.fade-in-delay-2-instant {
    animation: fadeInUp 1.5s ease-out 0.6s both !important;
    opacity: 0;
}

.fade-in-delay-3-instant {
    animation: fadeInUp 1.5s ease-out 0.8s both !important;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ================== PARALLAX LAYERS ================== */

.parallax {
    transition: transform 0.1s ease-out;
}

/* ================== GLOW EFFECT ================== */

.glow {
    box-shadow: 0 0 20px rgba(214, 40, 40, 0.3);
    transition: box-shadow 0.3s ease;
}

.glow:hover {
    box-shadow: 0 0 30px rgba(214, 40, 40, 0.5);
}

/* ================== TEXT GRADIENT ================== */

.text-gradient {
    background: linear-gradient(135deg, #003366 0%, #D62828 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ================== SMOOTH TRANSITIONS ================== */

.transition-smooth {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-smooth-slow {
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================== IMAGE ZOOM EFFECT ================== */

.img-zoom {
    overflow: hidden;
}

.img-zoom img {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.img-zoom:hover img {
    transform: scale(1.1);
}

/* ================== UNDERLINE ANIMATION ================== */

.underline-animate {
    position: relative;
}

.underline-animate::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #D62828;
    transition: width 0.3s ease;
}

.underline-animate:hover::after {
    width: 100%;
}

/* ================== LOADING SPINNER ================== */

.spinner {
    border: 3px solid rgba(0, 51, 102, 0.1);
    border-top-color: #003366;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ================== SUCCESS/ERROR STATES ================== */

.state-success {
    animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.state-error {
    animation: errorShake 0.5s ease-out;
}

@keyframes errorShake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-10px);
    }
    75% {
        transform: translateX(10px);
    }
}

/* ================== TOAST NOTIFICATIONS ================== */

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    animation: slideInRight 0.3s ease-out;
    z-index: 9999;
}

.dark .toast {
    background: #1e293b;
    color: white;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ================== PROGRESS BAR ================== */

.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #003366, #D62828);
    z-index: 9999;
    transition: width 0.2s ease;
}

/* ================== BLUR UP IMAGE LOADING ================== */

.blur-up {
    filter: blur(10px);
    transition: filter 0.3s ease-in-out;
}

.blur-up.loaded {
    filter: blur(0);
}

/* ================== STAGGER ANIMATION ================== */

.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    animation: staggerFadeIn 0.5s ease forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }

@keyframes staggerFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ================== RESPONSIVE ADJUSTMENTS ================== */

@media (max-width: 768px) {
    .card-hover:hover {
        transform: translateY(-8px) scale(1.01);
    }
    
    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        max-width: calc(100% - 2rem);
    }
}

/* ================== ACCESSIBILITY ================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}