/* ===== Keyframes ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

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

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

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

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

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

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

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(56, 161, 105, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(56, 161, 105, 0.8);
    }
}

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

/* ===== Animation Classes ===== */
.animate-fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.4s ease forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 0.4s ease forwards;
}

.animate-fade-out {
    animation: fadeOut 0.3s ease forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.4s ease forwards;
}

.animate-slide-in-left {
    animation: slideInLeft 0.4s ease forwards;
}

.animate-bounce {
    animation: bounce 1s ease;
}

.animate-pulse {
    animation: pulse 0.5s ease;
}

.animate-shake {
    animation: shake 0.5s ease;
}

.animate-glow {
    animation: glow 2s infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* ===== Transition Utilities ===== */
.transition-all {
    transition: all var(--transition-base);
}

.transition-fast {
    transition: all var(--transition-fast);
}

.transition-slow {
    transition: all var(--transition-slow);
}

/* ===== Screen Transitions ===== */
.screen {
    opacity: 0;
    transition: none;
}

.screen.active {
    opacity: 1;
}

.screen.transitioning-out {
    animation: none;
}

.screen.transitioning-in {
    animation: none;
}

/* ===== Staggered Animations ===== */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
}

.stagger-item.animate {
    animation: fadeInUp 0.4s ease forwards;
}

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

/* ===== Number Counter Animation ===== */
.counter-animate {
    display: inline-block;
    animation: countUp 0.3s ease;
}

/* ===== Choice Button Animations ===== */
.choice-btn {
    transition: all var(--transition-base);
}

.choice-btn:active {
    transform: scale(0.98);
}

.choice-btn.selected {
    animation: none;
}

/* ===== Chart Animations ===== */
.chart-container canvas {
    animation: none;
}

/* ===== Card Entrance ===== */
.scenario-card {
    animation: none;
}

.results-container > * {
    animation: none;
}

.results-container > *:nth-child(1) { animation-delay: 0s; }
.results-container > *:nth-child(2) { animation-delay: 0.05s; }
.results-container > *:nth-child(3) { animation-delay: 0.1s; }
.results-container > *:nth-child(4) { animation-delay: 0.15s; }
.results-container > *:nth-child(5) { animation-delay: 0.2s; }
.results-container > *:nth-child(6) { animation-delay: 0.25s; }

/* ===== Summary Animations ===== */
.summary-container > * {
    animation: none;
}

.summary-container > *:nth-child(1) { animation-delay: 0s; }
.summary-container > *:nth-child(2) { animation-delay: 0.1s; }
.summary-container > *:nth-child(3) { animation-delay: 0.2s; }
.summary-container > *:nth-child(4) { animation-delay: 0.3s; }
.summary-container > *:nth-child(5) { animation-delay: 0.4s; }
.summary-container > *:nth-child(6) { animation-delay: 0.5s; }
.summary-container > *:nth-child(7) { animation-delay: 0.6s; }

/* ===== Hover Effects ===== */
.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hover-scale {
    transition: transform var(--transition-fast);
}

.hover-scale:hover {
    transform: scale(1.02);
}

/* ===== Loading States ===== */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ===== Success/Error States ===== */
.success-flash {
    animation: glow 0.5s ease;
    box-shadow: 0 0 20px rgba(56, 161, 105, 0.5);
}

.error-flash {
    animation: shake 0.5s ease;
}

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