/* ========================================
   Maneuver Attack — Shared Animations
   ======================================== */

/* ── Glow Pulse ── */
@keyframes glowPulse {
    0%, 100% { filter: brightness(1) drop-shadow(0 0 8px rgba(0, 212, 255, 0.4)); }
    50% { filter: brightness(1.3) drop-shadow(0 0 20px rgba(0, 212, 255, 0.8)); }
}

/* ── Text Glow ── */
@keyframes textGlow {
    0%, 100% { text-shadow: var(--glow-text); }
    50% { text-shadow: 0 0 15px rgba(0, 212, 255, 1), 0 0 40px rgba(0, 212, 255, 0.6), 0 0 80px rgba(0, 212, 255, 0.3); }
}

/* ── Float up/down ── */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ── Fade In ── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.85); }
    to { opacity: 1; transform: scale(1); }
}

/* ── Slide In ── */
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-60px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(60px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ── Shake ── */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

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

/* ── Scale Bounce ── */
@keyframes scaleBounce {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* ── Star twinkle ── */
@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ── Bubble Rise ── */
@keyframes bubbleRise {
    0% { transform: translateY(100vh) scale(0.5); opacity: 0.7; }
    50% { opacity: 1; }
    100% { transform: translateY(-20px) scale(1); opacity: 0; }
}

/* ── Scanline ── */
@keyframes scanline {
    0% { top: -5%; }
    100% { top: 105%; }
}

/* ── Flicker ── */
@keyframes flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% { opacity: 1; }
    20%, 24%, 55% { opacity: 0.6; }
}

/* ── Marquee scroll ── */
@keyframes marqueeScroll {
    from { transform: translateX(100%); }
    to { transform: translateX(-100%); }
}

/* ── Meteor fall ── */
@keyframes meteorFall {
    0% { transform: translate(0, -100px) rotate(-30deg); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translate(-200px, 120vh) rotate(-30deg); opacity: 0; }
}

/* ── Caustic light (underwater) ── */
@keyframes caustic {
    0%, 100% { opacity: 0.03; transform: scale(1) rotate(0deg); }
    33% { opacity: 0.06; transform: scale(1.05) rotate(2deg); }
    66% { opacity: 0.04; transform: scale(0.95) rotate(-1deg); }
}

/* ── Seaweed sway ── */
@keyframes seaweedSway {
    0%, 100% { transform: rotate(-3deg); }
    50% { transform: rotate(3deg); }
}

/* ── Pulse ring ── */
@keyframes pulseRing {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

/* ── HUD flash ── */
@keyframes hudFlash {
    0%, 100% { background-color: transparent; }
    50% { background-color: rgba(255, 50, 50, 0.2); }
}

/* ── Button hover shimmer ── */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* ── Plane fly across ── */
@keyframes flyAcross {
    0% { transform: translate(-100px, 0) rotate(0deg); }
    25% { transform: translate(25vw, -30px) rotate(-5deg); }
    50% { transform: translate(50vw, 10px) rotate(3deg); }
    75% { transform: translate(75vw, -20px) rotate(-3deg); }
    100% { transform: translate(110vw, 0) rotate(0deg); }
}