/* --- Spell Visual Effects --- */
.spell-effect {
    position: fixed;
    z-index: 1600; /* Above cards, below zoom */
    pointer-events: none;
    width: 50px; /* Base size, can be overridden */
    height: 50px;
    border-radius: 50%;
    opacity: 0; /* Start invisible */
    transform: translate(-50%, -50%) scale(0.5); /* Center on target point, start small */
    /* Animation will be applied by specific type */
}

/* --- Keyframes for Spell Effects --- */
@keyframes spell-fade-in-out {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
    25% { opacity: 0.8; transform: translate(-50%, -50%) scale(1); }
    75% { opacity: 0.8; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
}

@keyframes spell-pulse {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
    25% { opacity: 0.9; transform: translate(-50%, -50%) scale(1.1); }
    50% { opacity: 0.7; transform: translate(-50%, -50%) scale(0.9); }
    75% { opacity: 0.9; transform: translate(-50%, -50%) scale(1.1); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
}

@keyframes spell-shatter {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.5) rotate(0deg); }
    25% { opacity: 1; transform: translate(-50%, -50%) scale(1.1) rotate(10deg); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(0.7) rotate(-15deg); }
    /* TODO: Could add pseudo-elements for shatter particles */
}

/* --- Specific Spell Effect Styles --- */

.spell-effect-fire {
    background: radial-gradient(circle, rgba(255,180,50,0.9) 0%, rgba(255,80,0,0.7) 50%, rgba(200,0,0,0) 70%);
    box-shadow: 0 0 15px 5px rgba(255, 100, 0, 0.5);
    animation: spell-pulse 0.5s ease-out forwards;
}

.spell-effect-frost {
    width: 60px; height: 60px;
    background: radial-gradient(circle, rgba(200,240,255,0.9) 0%, rgba(100,200,255,0.7) 50%, rgba(50,150,255,0) 70%);
    border: 2px solid rgba(220, 250, 255, 0.8);
    box-shadow: 0 0 20px 8px rgba(150, 220, 255, 0.4);
    animation: spell-shatter 0.6s ease-in-out forwards;
}

.spell-effect-arcane {
    background: radial-gradient(circle, rgba(255,150,255,0.9) 0%, rgba(180,50,200,0.7) 50%, rgba(100,0,150,0) 70%);
    box-shadow: 0 0 15px 5px rgba(200, 100, 255, 0.5);
    animation: spell-pulse 0.7s ease-in-out forwards;
}

.spell-effect-holy {
    width: 70px; height: 70px;
    background: radial-gradient(circle, rgba(255,255,200,0.95) 0%, rgba(255,255,100,0.8) 50%, rgba(255,215,0,0) 70%);
    box-shadow: 0 0 25px 10px rgba(255, 255, 150, 0.5);
    animation: spell-fade-in-out 0.6s ease-out forwards;
}

.spell-effect-lightning {
    width: 40px; height: 60px; /* More elongated */
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; /* Irregular shape */
    background: linear-gradient(45deg, rgba(255,255,100,0.9) 0%, rgba(100,200,255,0.7) 100%);
    box-shadow: 0 0 15px 5px rgba(200, 220, 255, 0.6);
    animation: spell-fade-in-out 0.4s ease-in forwards; /* Quick zap */
}

.spell-effect-shadow {
    width: 55px; height: 55px;
    background: radial-gradient(circle, rgba(100,50,150,0.8) 0%, rgba(50,0,80,0.6) 50%, rgba(20,0,30,0) 70%);
    box-shadow: 0 0 15px 5px rgba(80, 40, 120, 0.4);
    filter: blur(1px);
    animation: spell-fade-in-out 0.7s ease-out forwards;
}

.spell-effect-physical {
    width: 45px; height: 45px;
    background: radial-gradient(circle, rgba(180,180,180,0.8) 0%, rgba(120,120,120,0.6) 50%, rgba(80,80,80,0) 70%);
    border: 1px solid rgba(100, 100, 100, 0.5);
    box-shadow: 0 0 10px 3px rgba(150, 150, 150, 0.3);
    animation: spell-fade-in-out 0.4s ease-out forwards;
}

/* --- Start Game Coin Flip Effect --- */
@keyframes start-game-coin-spin {
    from {
        transform: translate(-50%, -50%) rotateY(0deg) scale(1);
    }
    to {
        transform: translate(-50%, -50%) rotateY(1440deg) scale(1); /* Spin 4 times */
    }
}

.start-game-coin-spin-effect {
    position: fixed; /* Position relative to viewport initially */
    z-index: 2000; /* High z-index to be on top */
    pointer-events: none;
    width: 100px; /* Slightly larger than a card */
    height: 140px;
    transform: translate(-50%, -50%); /* Center on target point */
    /* Use card back styling from card-animations.css */
    background-color: #555;
    border: 3px solid #ccc;
    border-radius: 8px; /* Slightly larger radius */
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
    background-image: linear-gradient(45deg, #666 25%, transparent 25%), linear-gradient(-45deg, #666 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #666 75%), linear-gradient(-45deg, transparent 75%, #666 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    /* Apply the specific spinning animation */
    animation: start-game-coin-spin 1.5s cubic-bezier(0.4, 0.0, 0.2, 1) forwards; /* 1.5 second duration */
}

/* --- Mana Coin Effect (Used by The Coin card) --- */
/* Reusing the old coin-spin keyframes and styling for the mana coin */
@keyframes coin-spin {
    from {
        transform: translate(-50%, -50%) rotateY(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotateY(1080deg); /* Spin 3 times */
    }
}

.coin-spin-effect {
    position: fixed;
    z-index: 1600; /* Above cards, below zoom */
    pointer-events: none;
    width: 80px; /* Size similar to a card */
    height: 80px;
    transform: translate(-50%, -50%); /* Center on target point */
    background: radial-gradient(circle, dodgerblue 40%, mediumblue 80%);
    border: 2px solid mediumblue;
    border-radius: 50px; /* Make it card-shaped or 50% for round coin */
    animation: coin-spin 1s cubic-bezier(0.34, 0.01, 0.66, 0.99) forwards; /* 1 second duration */
}

/* Example of a movement animation (if needed later) */
/*
@keyframes spell-move-target {
    0% { opacity: 0.5; transform: translate(var(--start-x), var(--start-y)) scale(0.5); }
    100% { opacity: 0; transform: translate(var(--end-x), var(--end-y)) scale(1); }
}
*/