/* ==========================================================================
   animations.css — Combat FX, Attack Trajectory, Impact, Deploy & Skill Flash
   Three Kingdoms KARDS — Enhanced Effects
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Floating Combat Text
   -------------------------------------------------------------------------- */
@keyframes float-rise {
  0%   { transform: translateY(0) scale(0.5); opacity: 0; }
  15%  { transform: translateY(-12px) scale(1.35); opacity: 1; }
  75%  { transform: translateY(-40px) scale(1.05); opacity: 1; }
  100% { transform: translateY(-62px) scale(0.85); opacity: 0; }
}

.floating-combat-text {
  position: fixed;
  font-family: var(--font-serif-calligraphy, serif);
  font-size: 26px;
  font-weight: 900;
  pointer-events: none;
  z-index: 9999;
  animation: float-rise 1.25s cubic-bezier(0.18, 0.89, 0.32, 1.28) forwards;
  text-shadow: 0 0 8px rgba(0,0,0,0.95), 2px 2px 4px rgba(0,0,0,0.7);
}
.floating-combat-text.fx-damage  { color: #f56565; }
.floating-combat-text.fx-counter { color: #ed8936; text-shadow: 0 0 10px rgba(237,137,54,0.9); }
.floating-combat-text.fx-immune  { color: #f6e05e; font-size: 18px; }
.floating-combat-text.fx-fire    { color: #fc8181; font-size: 28px; }
.floating-combat-text.fx-ambush  { color: #9f7aea; font-size: 22px; }
.floating-combat-text.fx-banish  { color: #b794f4; font-size: 20px; }
.floating-combat-text.fx-skill   { color: #48bb78; font-size: 18px; letter-spacing: 1px; }
.floating-combat-text.fx-heal    { color: #68d391; }
.floating-combat-text.fx-hq      { color: #fc8181; font-size: 32px; }

/* --------------------------------------------------------------------------
   2. Screen & Element Shakes
   -------------------------------------------------------------------------- */
.anim-shake {
  animation: element-shake 0.35s ease-in-out;
}
@keyframes element-shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-7px); }
  40%       { transform: translateX(7px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

.anim-impact-shake {
  animation: impact-shake 0.42s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}
@keyframes impact-shake {
  10%, 90% { transform: translate3d(-3px, -1px, 0); }
  20%, 80% { transform: translate3d(4px,  2px, 0); }
  30%, 50%, 70% { transform: translate3d(-5px, -2px, 0); }
  40%, 60% { transform: translate3d(5px,  2px, 0); }
}

/* --------------------------------------------------------------------------
   3. Fire Attack FX (火攻)
   -------------------------------------------------------------------------- */
.anim-burn {
  animation: burn-glow 0.9s ease-out;
}
@keyframes burn-glow {
  0%   { box-shadow: 0 0 0 rgba(237,137,54,0);   filter: brightness(1); }
  35%  { box-shadow: 0 0 28px rgba(252,129,74,0.95); filter: brightness(1.6) saturate(2); }
  100% { box-shadow: 0 0 0 rgba(237,137,54,0);   filter: brightness(1); }
}

/* Fire shockwave burst */
.fx-fire-shockwave {
  position: fixed;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid #f6ad55;
  background: radial-gradient(circle, rgba(252,129,74,0.7) 0%, rgba(237,137,54,0.3) 40%, transparent 70%);
  pointer-events: none;
  z-index: 9995;
  transform: translate(-50%, -50%);
  animation: fire-expand 0.65s ease-out forwards;
}
@keyframes fire-expand {
  0%   { transform: translate(-50%,-50%) scale(0.15); opacity: 1; }
  60%  { opacity: 0.9; }
  100% { transform: translate(-50%,-50%) scale(2.8); opacity: 0; }
}

/* Fire ember particles */
.fx-ember {
  position: fixed;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #f6ad55;
  pointer-events: none;
  z-index: 9994;
  animation: ember-float var(--dur, 0.8s) ease-out forwards;
}
@keyframes ember-float {
  0%   { transform: translate(0, 0) scale(1);   opacity: 1; }
  100% { transform: translate(var(--dx,20px), var(--dy,-60px)) scale(0); opacity: 0; }
}

/* --------------------------------------------------------------------------
   4. Slash / Strike Attack FX
   -------------------------------------------------------------------------- */
@keyframes dash-slash {
  from { stroke-dashoffset: 120; }
  to   { stroke-dashoffset: 0; }
}
@keyframes fade-slash {
  0%   { opacity: 0; }
  15%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { opacity: 0; }
}

/* Impact flash overlay on attacked unit */
.fx-impact-flash {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(245, 101, 101, 0.55);
  pointer-events: none;
  z-index: 10;
  animation: impact-flash 0.38s ease-out forwards;
}
@keyframes impact-flash {
  0%   { opacity: 1; }
  100% { opacity: 0; }
}

/* Slash mark (sword arc) — positioned via JS */
.fx-slash-mark {
  position: fixed;
  pointer-events: none;
  z-index: 9993;
  width: 80px;
  height: 80px;
  transform: translate(-50%, -50%);
  animation: slash-mark-appear 0.45s ease-out forwards;
}
.fx-slash-mark svg {
  width: 100%;
  height: 100%;
}
@keyframes slash-mark-appear {
  0%   { transform: translate(-50%,-50%) scale(0.3) rotate(-30deg); opacity: 0; }
  30%  { transform: translate(-50%,-50%) scale(1.2) rotate(5deg);   opacity: 1; }
  100% { transform: translate(-50%,-50%) scale(1)   rotate(0deg);   opacity: 0; }
}

/* Sword arc trajectory drawn in SVG */
.targeting-curve {
  fill: none;
  stroke: #48bb78;
  stroke-width: 4px;
  stroke-linecap: round;
  stroke-dasharray: 8 4;
  filter: url(#laser-glow);
  marker-end: url(#arrowhead-legal);
  animation: dash-flow 0.7s linear infinite;
}
.targeting-curve.targeting-attack, .targeting-curve.curve-attack {
  stroke: #f56565 !important;
  marker-end: url(#arrowhead-attack) !important;
  stroke-width: 5px;
  filter: drop-shadow(0 0 6px rgba(245,101,101,0.8));
}
.targeting-curve.curve-move {
  stroke: #48bb78 !important;
  marker-end: url(#arrowhead-legal) !important;
}
@keyframes dash-flow {
  from { stroke-dashoffset: 24; }
  to   { stroke-dashoffset: 0; }
}

/* --------------------------------------------------------------------------
   5. Skill Trigger Flash (技能触发光效)
   -------------------------------------------------------------------------- */
.fx-skill-trigger {
  position: absolute;
  inset: -4px;
  border-radius: 8px;
  border: 2px solid #48bb78;
  pointer-events: none;
  z-index: 12;
  animation: skill-ring 0.6s ease-out forwards;
}
.fx-skill-trigger.fx-skill-attack  { border-color: #f6e05e; box-shadow: 0 0 14px rgba(246,224,94,0.8); }
.fx-skill-trigger.fx-skill-defense { border-color: #63b3ed; box-shadow: 0 0 14px rgba(99,179,237,0.8); }
.fx-skill-trigger.fx-skill-fire    { border-color: #f6ad55; box-shadow: 0 0 16px rgba(246,173,85,0.9); }
.fx-skill-trigger.fx-skill-ambush  { border-color: #9f7aea; box-shadow: 0 0 14px rgba(159,122,234,0.8); }
.fx-skill-trigger.fx-skill-vanguard{ border-color: #68d391; box-shadow: 0 0 14px rgba(104,211,145,0.8); }
@keyframes skill-ring {
  0%   { opacity: 1; transform: scale(1); }
  60%  { opacity: 1; transform: scale(1.08); }
  100% { opacity: 0; transform: scale(1.2); }
}

/* Skill name badge popup (技能名弹出) */
.fx-skill-badge {
  position: fixed;
  padding: 3px 10px;
  background: rgba(0,0,0,0.82);
  border: 1px solid #f6e05e;
  border-radius: 12px;
  color: #f6e05e;
  font-family: var(--font-serif-calligraphy, serif);
  font-size: 13px;
  font-weight: bold;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -100%);
  animation: skill-badge-pop 1.0s ease-out forwards;
}

.fx-fireball-projectile {
  position: fixed;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  background: radial-gradient(circle at 35% 35%, #fff5a1 0%, #ffb336 28%, #ef5a13 58%, rgba(150, 22, 0, .15) 80%);
  box-shadow: 0 0 10px #ffdd66, 0 0 24px #f56b1f, 0 0 42px rgba(239, 67, 19, .85);
}
@keyframes skill-badge-pop {
  0%   { opacity: 0; transform: translate(-50%, -80%) scale(0.7); }
  20%  { opacity: 1; transform: translate(-50%, -110%) scale(1.05); }
  70%  { opacity: 1; transform: translate(-50%, -120%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -140%) scale(0.9); }
}

/* --------------------------------------------------------------------------
   6. Card Draw & Deploy
   -------------------------------------------------------------------------- */
.anim-draw-card {
  animation: card-draw 0.32s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
@keyframes card-draw {
  from { transform: translateY(80px) scale(0.55); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}

.anim-deploy-unit {
  animation: unit-slam 0.35s cubic-bezier(0.18, 0.89, 0.32, 1.28) forwards;
}
@keyframes unit-slam {
  0%   { transform: scale(1.5) translateY(-10px); opacity: 0; }
  70%  { transform: scale(0.95); }
  100% { transform: scale(1); opacity: 1; }
}

/* --------------------------------------------------------------------------
   7. HQ Damage Pulse (主城受击)
   -------------------------------------------------------------------------- */
.anim-hq-hit {
  animation: hq-damage-pulse 0.6s ease-out;
}
@keyframes hq-damage-pulse {
  0%   { filter: brightness(1); box-shadow: none; }
  25%  { filter: brightness(2) saturate(2); box-shadow: 0 0 32px rgba(229,62,62,0.9); }
  100% { filter: brightness(1); box-shadow: none; }
}

/* --------------------------------------------------------------------------
   8. Legal Target Pulse Animation
   -------------------------------------------------------------------------- */
.legal-attack-target {
  outline: 2px solid #f56565 !important;
  box-shadow: 0 0 16px rgba(245,101,101,0.7) !important;
  cursor: crosshair !important;
  animation: pulse-target 0.9s infinite alternate;
}
@keyframes pulse-target {
  from { outline-color: #e53e3e; box-shadow: 0 0 8px rgba(229,62,62,0.5); }
  to   { outline-color: #fc8181; box-shadow: 0 0 22px rgba(229,62,62,0.95); }
}