/* ═══════════════════════════════════════════════════════════════
   KPSS Zamanı Web Panel — Animations
   ═══════════════════════════════════════════════════════════════ */

/* ─── Keyframes ──────────────────────────────────────────────── */
@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: none; }
}

@keyframes animFadeUp {
    from { opacity: 0; transform: translateY(36px); }
    to   { opacity: 1; transform: none; }
}

.animate-fade-up {
    animation: animFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes floatingA {
    0%, 100% { transform: translateY(0px) rotate(-1deg); }
    50% { transform: translateY(-14px) rotate(1deg); }
}
@keyframes floatingB {
    0%, 100% { transform: translateY(-6px) rotate(1deg); }
    50% { transform: translateY(10px) rotate(-1deg); }
}
@keyframes floatingC {
    0%, 100% { transform: translateY(4px) rotate(0.5deg); }
    50% { transform: translateY(-10px) rotate(-0.5deg); }
}

.floating-a { animation: floatingA 5s ease-in-out infinite; }
.floating-b { animation: floatingB 6.5s ease-in-out infinite; }
.floating-c { animation: floatingC 7s ease-in-out infinite; }

@keyframes blob-drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, -30px) scale(1.08); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.blob-drift {
    animation: blob-drift 18s ease-in-out infinite;
}

@keyframes fadeSlideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -30px) rotate(5deg); }
    50% { transform: translate(-10px, 20px) rotate(-3deg); }
    75% { transform: translate(15px, 10px) rotate(2deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 8px 30px rgba(88, 204, 2, 0.4); }
    50% { box-shadow: 0 8px 50px rgba(88, 204, 2, 0.7); }
}

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

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(60px) scale(0.95); }
    to   { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0) scale(1); }
    to   { opacity: 0; transform: translateX(60px) scale(0.95); }
}

@keyframes ripple {
    to { transform: scale(2.5); opacity: 0; }
}

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes expandCard {
    from { max-height: 0; opacity: 0; padding-top: 0; padding-bottom: 0; }
    to   { max-height: 2000px; opacity: 1; }
}

/* ─── Image Fade-in on Load ──────────────────────────────────── */
@keyframes imgFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Content images in the SPA shell fade in smoothly on DOM insertion.
   Also covers dynamically injected img.src changes via Animations.applyImgFade().
   Add data-no-fade to exempt specific images (e.g. transparent overlays). */
#app-shell img:not([data-no-fade]) {
    animation: imgFadeIn 0.28s ease forwards;
}

/* ─── B&W Image Auto-Inversion ───────────────────────────────── */
/* Applied by ImageInvert.applyToElement() for pure B&W diagrams.
   Smoothly inverts colors so white-bg math/geometry images look correct on dark mode. */
img.img-bw-invert {
    filter: invert(1);
    transition: filter 0.2s ease;
}

/* ─── Scroll Reveal ──────────────────────────────────────────── */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal.from-left {
    opacity: 0;
    transform: translateX(-70px);
}
.scroll-reveal.from-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal.from-right {
    opacity: 0;
    transform: translateX(70px);
}
.scroll-reveal.from-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Staggered children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.4s; }

/* ─── Hover Micro-interactions ───────────────────────────────── */
.hover-lift {
    transition: transform var(--transition), box-shadow var(--transition);
}
.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.hover-glow {
    transition: box-shadow var(--transition);
}
.hover-glow:hover {
    box-shadow: var(--shadow-glow);
}

/* ─── Active tap feedback (touch-friendly) ───────────────────── */
/* Gives mobile users a visual confirmation when tapping buttons/cards */
.btn:active {
    transform: scale(0.97);
}

.nav-item:active,
.panel-btn:active {
    transform: scale(0.98);
}

/* ─── Reduced motion: disable all animations ─────────────────── */
/* Respects system-level "Reduce Motion" accessibility preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    /* Specifically kill heavy animations */
    .floating-a,
    .floating-b,
    .floating-c,
    .blob-drift,
    .ai-badge,
    .landing-bg::before,
    .landing-bg::after,
    .server-status i {
        animation: none !important;
    }

    /* Keep scroll-reveal visible without animation */
    .scroll-reveal,
    .stagger-children > * {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* ─── Page Transitions ───────────────────────────────────────── */
.page-enter {
    animation: fadeSlideUp 0.4s ease forwards;
}

.page-leave {
    animation: fadeIn 0.2s ease reverse forwards;
}

/* ─── Loading Spinner ────────────────────────────────────────── */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 40px auto;
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 15, 26, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
    z-index: 5;
}

/* ─── Progress Bar Animation ─────────────────────────────────── */
.progress-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Card Expand ────────────────────────────────────────────── */
.expandable-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease,
                padding 0.3s ease;
}

.expandable-content.expanded {
    max-height: 2000px;
    opacity: 1;
    padding-top: 16px;
}

/* ─── Gradient Text ──────────────────────────────────────────── */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ─── Animated Background Gradient ───────────────────────────── */
.animated-gradient {
    background: linear-gradient(-45deg, var(--primary), var(--accent), var(--info), var(--primary-dark));
    background-size: 300% 300%;
    animation: gradientShift 6s ease infinite;
}

/* ─── Ripple Effect ──────────────────────────────────────────── */
.ripple-container {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    animation: ripple 0.6s ease-out forwards;
    pointer-events: none;
}

/* ─── Number Counter ─────────────────────────────────────────── */
.count-up {
    animation: countUp 0.5s ease-out;
}

/* ─── Notification Dot ───────────────────────────────────────── */
.notification-dot {
    position: relative;
}

.notification-dot::after {
    content: '';
    position: absolute;
    top: -2px;
    right: -2px;
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid var(--bg-secondary);
    animation: pulse 2s infinite;
}