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

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

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

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

@keyframes modalSlideUp {
    from { transform: translateY(30px) scale(0.95); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

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

@keyframes numberPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

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

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

@keyframes checkmarkDraw {
    from { stroke-dashoffset: 50; }
    to { stroke-dashoffset: 0; }
}

@keyframes taskComplete {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 0.6; }
}

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

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px var(--accent-color); }
    50% { box-shadow: 0 0 20px var(--accent-color); }
}

@keyframes ripple {
    0% { transform: scale(0); opacity: 1; }
    100% { transform: scale(4); opacity: 0; }
}

@keyframes slideInRight {
    from { transform: translateX(20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

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

@keyframes rotateIn {
    from { transform: rotate(-180deg); opacity: 0; }
    to { transform: rotate(0); opacity: 1; }
}

@keyframes scaleIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

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

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-3deg); }
    75% { transform: rotate(3deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes highlight {
    0%, 100% { background: var(--card-bg); }
    50% { background: color-mix(in srgb, var(--accent-color) 20%, var(--card-bg)); }
}

@keyframes progressFill {
    from { width: 0; }
}

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

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

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

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

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10%, 30% { transform: scale(1.1); }
    20%, 40% { transform: scale(1); }
}

@keyframes confetti {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

@keyframes buttonFadeIn {
    from { opacity: 0; transform: scale(0.8) rotate(-10deg); }
    to { opacity: 1; transform: scale(1) rotate(0); }
}

@keyframes slideUpNavbar {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

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

@keyframes floatEmoji {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes weatherFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes warningPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.85; }
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes slideUpOverlay {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes colonBlink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0.3; }
}

@keyframes numberFlip {
    0% { transform: rotateX(0deg); }
    50% { transform: rotateX(-90deg); }
    100% { transform: rotateX(0deg); }
}

@keyframes checkmark {
    0% { stroke-dashoffset: 50; }
    100% { stroke-dashoffset: 0; }
}

@keyframes rotate-once-right {
    from { transform: rotate(0deg); }
    to { transform: rotate(180deg); }
}

@keyframes rotate-once-left {
    from { transform: rotate(0deg); }
    to { transform: rotate(-180deg); }
}

/* Animation Utility Classes */
.animate-fade-in-up { animation: fadeInUp 0.5s ease-out; }
.animate-fade-in-down { animation: fadeInDown 0.5s ease-out; }
.animate-bounce-in { animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.27, 1.55); }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-glow { animation: glow 2s ease-in-out infinite; }
.hover-lift { transition: transform 0.3s ease, box-shadow 0.3s ease; }
.hover-lift:hover { transform: translateY(-4px); box-shadow: var(--box-shadow-lg); }
.hover-scale { transition: transform 0.2s ease; }
.hover-scale:hover { transform: scale(1.05); }
.hover-glow { transition: box-shadow 0.3s ease; }
.hover-glow:hover { box-shadow: 0 0 20px color-mix(in srgb, var(--accent-color) 50%, transparent); }
.click-shrink:active { transform: scale(0.95); }
.click-bounce:active { animation: bounceIn 0.3s; }
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.rotate-once-right { animation: rotate-once-right calc(var(--transition-speed) + 0.1s) linear; }
.rotate-once-left { animation: rotate-once-left calc(var(--transition-speed) + 0.1s) linear; }
.skeleton-loading {
    background: linear-gradient(90deg, var(--highlight-color) 25%, var(--card-bg) 50%, var(--highlight-color) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}