/* ============================================================
   D&D THEMED PERSONAL BLOG — Animations
   维尔德 Wilder
   ============================================================ */

/* ---------- Keyframes ---------- */

/* Shimmer — gold text sweep */
@keyframes shimmer {
    0%, 100% { background-position: 200% 0; }
    50% { background-position: 0% 0; }
}

/* Pulse glow — avatar & important elements */
@keyframes pulseGlow {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.04); }
}

/* Gentle float — decorative elements */
@keyframes floatSlow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* Dice 3D roll */
@keyframes diceRoll {
    0%   { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg) scale(1); }
    15%  { transform: rotateX(120deg) rotateY(80deg) rotateZ(30deg) scale(1.08); }
    30%  { transform: rotateX(260deg) rotateY(160deg) rotateZ(80deg) scale(1.05); }
    50%  { transform: rotateX(400deg) rotateY(240deg) rotateZ(150deg) scale(1.1); }
    65%  { transform: rotateX(540deg) rotateY(290deg) rotateZ(210deg) scale(1.04); }
    80%  { transform: rotateX(650deg) rotateY(340deg) rotateZ(300deg) scale(1.02); }
    100% { transform: rotateX(720deg) rotateY(360deg) rotateZ(360deg) scale(1); }
}

/* Critical hit glow */
@keyframes critGlow {
    0%, 100% {
        filter: drop-shadow(0 0 10px #c9a84c);
    }
    25% {
        filter: drop-shadow(0 0 30px #f0d68a) drop-shadow(0 0 50px #c73e41);
    }
    50% {
        filter: drop-shadow(0 0 40px #f0d68a) drop-shadow(0 0 70px #c73e41) drop-shadow(0 0 90px rgba(240, 214, 138, 0.6));
    }
    75% {
        filter: drop-shadow(0 0 30px #f0d68a) drop-shadow(0 0 50px #c73e41);
    }
}

/* Dice shake on nat 1 */
@keyframes diceShake {
    0%, 100% { transform: translateX(0); }
    15% { transform: translateX(-6px) rotateZ(-5deg); }
    30% { transform: translateX(6px) rotateZ(5deg); }
    45% { transform: translateX(-5px) rotateZ(-3deg); }
    60% { transform: translateX(5px) rotateZ(3deg); }
    75% { transform: translateX(-3px); }
    90% { transform: translateX(3px); }
}

/* Result number pop-in */
@keyframes resultPop {
    0%   { transform: translate(-50%, -50%) scale(0); }
    50%  { transform: translate(-50%, -50%) scale(1.3); }
    75%  { transform: translate(-50%, -50%) scale(0.9); }
    100% { transform: translate(-50%, -50%) scale(1); }
}

/* Particle burst on crit */
@keyframes particleBurst {
    0%   { transform: translate(0, 0) scale(1); opacity: 1; }
    100% { transform: translate(var(--bx), var(--by)) scale(0); opacity: 0; }
}

/* Fade in from below (used as fallback) */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Subtle page load appearance */
@keyframes pageEnter {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ---------- Utility Animation Classes ---------- */

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out both;
}

.animate-float {
    animation: floatSlow 4s ease-in-out infinite;
}

/* ---------- Particle burst elements (JS-created) ---------- */

.burst-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--gold-light);
    pointer-events: none;
    animation: particleBurst 0.7s ease-out forwards;
    --bx: 0px;
    --by: 0px;
}