/* ===================================
   Puzzle Root - Animations
   Celebration effects for solving puzzles
   =================================== */

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

/* Success Pulse */
@keyframes success-pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Bounce In */
@keyframes bounce-in {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

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

/* Fade In */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Celebration Container */
.celebration-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

/* Confetti Pieces */
.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    animation: confetti-fall 3s linear forwards;
}

.confetti:nth-child(odd) {
    background-color: rgb(56, 122, 61); /* Brand Green */
}

.confetti:nth-child(even) {
    background-color: #f39c12; /* Amber */
}

.confetti:nth-child(3n) {
    background-color: #1a2238; /* Navy */
}

/* Applied to puzzle card when solved */
.puzzle-card.just-solved {
    animation: success-pulse 0.6s ease-in-out;
}

/* Applied to solved answer display */
.puzzle-solved {
    animation: bounce-in 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Applied to error feedback */
.feedback-message.error {
    animation: shake 0.5s ease-in-out;
}

/* Applied to success feedback */
.feedback-message.success {
    animation: fade-in 0.3s ease-out;
}

/* Applied to newly loaded puzzle cards */
.puzzle-card.fade-in {
    animation: fade-in 0.5s ease-out;
}

/* Stagger animation delays for multiple cards */
.puzzle-card:nth-child(1) { animation-delay: 0s; }
.puzzle-card:nth-child(2) { animation-delay: 0.1s; }
.puzzle-card:nth-child(3) { animation-delay: 0.2s; }
.puzzle-card:nth-child(4) { animation-delay: 0.3s; }
.puzzle-card:nth-child(5) { animation-delay: 0.4s; }
.puzzle-card:nth-child(6) { animation-delay: 0.5s; }

/* Success Checkmark Animation */
@keyframes checkmark-draw {
    0% {
        stroke-dashoffset: 50;
    }
    100% {
        stroke-dashoffset: 0;
    }
}

.checkmark-svg {
    stroke-dasharray: 50;
    stroke-dashoffset: 50;
    animation: checkmark-draw 0.5s ease-out forwards;
}

/* Glow effect for solved badge */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(56, 122, 61, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(56, 122, 61, 0.8);
    }
}

.solved-badge {
    animation: glow 2s ease-in-out infinite;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .confetti,
    .puzzle-card.just-solved,
    .puzzle-solved,
    .feedback-message,
    .solved-badge {
        animation: none !important;
    }
}