/* ═══════════════════════════════════════════════
   EXCALIBUR PROTOCOL — THE BLADE MODULE
   Sword in Stone | Unleash | Damage | Split
══════════════════════════════════════════════════ */

/* ─── CONTAINER ─── */
.excalibur-container {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 99990;
    width: 220px;
    height: 140px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    pointer-events: auto;
}

/* ─── THE STONE ─── */
.excalibur-stone {
    position: absolute;
    bottom: 0;
    width: 200px;
    height: 70px;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(112, 0, 255, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 40%, #08080a 100%);
    border-radius: 50% 50% 0 0 / 25px 25px 0 0;
    border-top: 2px solid rgba(112, 0, 255, 0.25);
    box-shadow: 
        0 -15px 50px rgba(0, 0, 0, 0.9),
        inset 0 8px 20px rgba(112, 0, 255, 0.08),
        0 0 30px rgba(112, 0, 255, 0.05);
    overflow: hidden;
}

.stone-rune {
    position: absolute;
    font-family: var(--font-display);
    font-size: 0.65rem;
    color: var(--ultraviolet);
    opacity: 0.15;
    letter-spacing: 0.3em;
    animation: runeGlow 4s ease-in-out infinite;
}

.stone-rune:nth-child(1) { top: 15px; left: 20px; animation-delay: 0s; }
.stone-rune:nth-child(2) { top: 25px; right: 25px; animation-delay: 1.3s; }
.stone-rune:nth-child(3) { top: 40px; left: 50%; transform: translateX(-50%); animation-delay: 2.6s; }

@keyframes runeGlow {
    0%, 100% { opacity: 0.1; text-shadow: none; }
    50% { opacity: 0.6; text-shadow: 0 0 8px var(--ultraviolet-glow); }
}

/* ─── THE SWORD ─── */
.excalibur-sword {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%) translateY(25px);
    width: 28px;
    height: 120px;
    opacity: 0.65;
    transition: all 1.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    filter: drop-shadow(0 0 4px rgba(112, 0, 255, 0.2));
    z-index: 2;
}

.sword-blade {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 10px;
    height: 85px;
    background: linear-gradient(90deg, #3a3a5a, #6a6a8a, #9a9aaa, #6a6a8a, #3a3a5a);
    clip-path: polygon(50% 0%, 100% 88%, 75% 100%, 25% 100%, 0% 88%);
    box-shadow: inset 0 0 6px rgba(255, 255, 255, 0.1);
}

.sword-guard {
    position: absolute;
    top: 82px;
    left: 50%;
    transform: translateX(-50%);
    width: 42px;
    height: 10px;
    background: linear-gradient(180deg, #7000ff, #3a0080, #7000ff);
    border-radius: 3px;
    box-shadow: 0 0 12px var(--ultraviolet-glow), 0 2px 4px rgba(0,0,0,0.5);
}

.sword-guard::before,
.sword-guard::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 8px;
    height: 8px;
    background: var(--amber);
    border-radius: 50%;
    transform: translateY(-50%);
    box-shadow: 0 0 6px var(--amber-glow);
}

.sword-guard::before { left: -4px; }
.sword-guard::after { right: -4px; }

.sword-hilt {
    position: absolute;
    top: 92px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 28px;
    background: linear-gradient(90deg, #2a2a3a, #4a4a5a, #2a2a3a);
    border-radius: 0 0 4px 4px;
    box-shadow: inset 0 0 4px rgba(0,0,0,0.5);
}

.sword-pommel {
    position: absolute;
    top: 118px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 8px;
    background: radial-gradient(circle, var(--amber), #802040);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--amber-glow);
    animation: pommelPulse 2s ease-in-out infinite;
}

@keyframes pommelPulse {
    0%, 100% { box-shadow: 0 0 10px var(--amber-glow); }
    50% { box-shadow: 0 0 20px var(--amber-glow), 0 0 40px rgba(255, 51, 102, 0.3); }
}

/* ─── ACTIVATED STATE (Sword Pulled) ─── */
.excalibur-container.activated .excalibur-sword {
    transform: translateX(-50%) translateY(-200px) rotate(-15deg);
    opacity: 1;
    filter: drop-shadow(0 0 20px var(--ultraviolet-glow)) drop-shadow(0 0 40px rgba(112, 0, 255, 0.4));
}

.excalibur-container.activated .sword-blade {
    background: linear-gradient(90deg, #e0e0ff, #ffffff, #c0c0ff, #ffffff, #e0e0ff);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.5), inset 0 0 10px rgba(255, 255, 255, 0.3);
}

.excalibur-container.activated .excalibur-stone {
    animation: stoneCrack 0.6s ease forwards;
}

@keyframes stoneCrack {
    0% { filter: brightness(1); }
    30% { filter: brightness(2) hue-rotate(45deg); }
    60% { filter: brightness(0.5); }
    100% { filter: brightness(0.3); opacity: 0.6; }
}

/* ─── CLICK RAPID INDICATOR ─── */
.excalibur-click-tracker {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-display);
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: var(--amber);
    opacity: 0;
    transition: opacity 0.3s ease;
    white-space: nowrap;
    pointer-events: none;
}

.excalibur-container.pulling .excalibur-click-tracker {
    opacity: 1;
}

/* ─── DAMAGE CANVAS OVERLAY ─── */
.damage-canvas {
    position: fixed;
    inset: 0;
    z-index: 99989;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.damage-canvas.active {
    opacity: 1;
    pointer-events: auto;
}

/* ─── CURSOR: SWORD MODE ─── */
body.sword-mode {
    cursor: none !important;
}

body.sword-mode * {
    cursor: none !important;
}

.sword-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 60px;
    height: 60px;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%) rotate(-45deg);
    opacity: 0;
    transition: opacity 0.3s ease;
    filter: drop-shadow(0 0 8px var(--ultraviolet-glow));
}

body.sword-mode .sword-cursor {
    opacity: 1;
}

.sword-cursor svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: #e0e0ff;
    stroke-width: 1.5;
}

/* ─── SLASH TRAIL EFFECT ─── */
.slash-trail {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 99988;
}

/* ─── SCREEN SHAKE ─── */
body.screen-shake {
    animation: screenShake 0.15s ease-in-out;
}

@keyframes screenShake {
    0%, 100% { transform: translate(0, 0); }
    20% { transform: translate(-3px, 2px); }
    40% { transform: translate(3px, -2px); }
    60% { transform: translate(-2px, -1px); }
    80% { transform: translate(2px, 1px); }
}

/* ─── DAMAGE FLASH ─── */
.damage-flash {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at var(--flash-x, 50%) var(--flash-y, 50%), rgba(255, 51, 102, 0.3), transparent 60%);
    pointer-events: none;
    z-index: 99987;
    opacity: 0;
    transition: opacity 0.1s ease;
}

.damage-flash.active {
    opacity: 1;
}

/* ─── SPLIT ELEMENTS ─── */
.split-left,
.split-right {
    position: relative;
    display: inline-block;
    transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.6s ease;
}

.split-left {
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
    transform-origin: left center;
}

.split-right {
    clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
    transform-origin: right center;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.split-left.severed {
    transform: translateX(-30px) rotate(-8deg) translateY(10px);
    opacity: 0.7;
}

.split-right.severed {
    transform: translateX(30px) rotate(8deg) translateY(-10px);
    opacity: 0.7;
}

/* ─── SPARK PARTICLES ─── */
.spark-particle {
    position: fixed;
    width: 3px;
    height: 3px;
    background: var(--amber);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99986;
    box-shadow: 0 0 6px var(--amber-glow);
}

/* ─── SYSTEM COLLAPSE OVERLAY ─── */
.collapse-overlay {
    position: fixed;
    inset: 0;
    background: var(--obsidian);
    z-index: 99985;
    opacity: 0;
    pointer-events: none;
    transition: opacity 2s ease;
}

.collapse-overlay.active {
    opacity: 0.95;
    pointer-events: auto;
}

.collapse-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--amber);
    text-align: center;
    letter-spacing: 0.3em;
    animation: collapsePulse 1s ease-in-out infinite;
}

@keyframes collapsePulse {
    0%, 100% { opacity: 1; text-shadow: 0 0 20px var(--amber-glow); }
    50% { opacity: 0.5; text-shadow: 0 0 40px var(--amber-glow); }
}

/* ─── RESPONSIVE: HIDE EXCALIBUR ON MOBILE ─── */
@media (max-width: 768px) {
    .excalibur-container {
        display: none;
    }
}