:root {
    --bg: #05050f;
    --card-bg: #0d0d1a;
    --card-border: #1a1a33;
    --accent: #00f0ff;
    --accent-dim: rgba(0, 240, 255, 0.15);
    --accent-glow: rgba(0, 240, 255, 0.4);
    --text: #d0d0ff;
    --text-dim: #6666aa;
    --red: #ff2d55;
    --red-glow: rgba(255, 45, 85, 0.4);
    --green: #00ff88;
    --gold: #ffcc44;
    --orange: #ff9f43;
}

/* ==================== BASE ==================== */
body {
    margin: 0;
    height: 100dvh;
    overflow: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, sans-serif;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

button {
    touch-action: manipulation;
    cursor: pointer;
}

/* ==================== LAYOUT ==================== */
.game-container {
    height: 100dvh;
    display: flex;
    flex-direction: column;
    padding: 12px 16px;
    box-sizing: border-box;
    max-width: 820px;
    margin: 0 auto;
    width: 100%;
}

.game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    gap: 8px;
}

/* ==================== HEADER ==================== */
header {
    flex-shrink: 0;
    text-align: center;
    margin-bottom: 10px;
}

h1 {
    font-size: clamp(1.4rem, 5vw, 2.4rem);
    letter-spacing: 6px;
    margin: 0 0 10px 0;
    text-shadow: 0 0 30px var(--accent-glow), 0 0 60px var(--accent-dim);
}

.accent { color: var(--accent); }

/* ==================== STATS BAR ==================== */
.stats-bar {
    display: flex;
    justify-content: space-around;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 10px 16px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.stat-item .label {
    font-size: 0.65rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.stat-item strong {
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 600;
}

/* ==================== BOSS ==================== */
.boss-section {
    flex-shrink: 0;
    padding: 16px 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.boss-section::before {
    content: '';
    position: absolute;
    top: 0; left: 10%; right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

#boss-name {
    font-size: 0.75rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 8px;
}

.boss-visual-wrapper {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-user-select: none; /* Safari */
    -moz-user-select: none;    /* Firefox */
    -ms-user-select: none;     /* IE10+/Edge */
    user-select: none;         /* Estándar (Chrome, Opera) */
    
    /* También evita que en móviles salga el menú contextual al dejar pulsado */
    -webkit-touch-callout: none;
}

.boss-visual {
    font-size: 6rem;
    filter: drop-shadow(0 0 20px var(--accent-glow));
    animation: void-pulse 4s infinite ease-in-out;
}

@keyframes void-pulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 20px var(--accent-glow));
    }
    50% {
        transform: scale(1.06);
        filter: drop-shadow(0 0 40px var(--accent-glow)) drop-shadow(0 0 80px var(--accent-dim));
    }
}

.boss-health-bar {
    height: 8px;
    background: #0a0a14;
    border-radius: 4px;
    overflow: hidden;
    margin: 10px 0 6px;
    border: 1px solid #2a0020;
}
.boss-click-hint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 3px;
    color: #fff;
    background: rgba(0, 0, 0, 0.4);
    padding: 4px 12px;
    border-radius: 4px;
    border: 1px solid var(--accent);
    pointer-events: none;
    z-index: 5;
    white-space: nowrap;

    opacity: 1;
    transition: opacity 0.4s ease;
}

.boss-click-hint.hidden {
    opacity: 0;
}

.boss-click-hint:not(.hidden) {
    animation: hint-pulse 1.5s infinite ease-in-out;
}

@keyframes hint-pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 5px var(--accent-glow);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.08);
        box-shadow: 0 0 20px var(--accent-glow);
    }
}


.boss-visual-wrapper {
    cursor: crosshair;
    position: relative;
}

.health-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--red), #ff6b8a);
    box-shadow: 0 0 12px var(--red-glow);
    transition: width 0.25s ease-out;
}

.hp-text {
    font-size: 0.75rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* ==================== ACTIONS ==================== */
.actions-panel {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.action-btn-primary {
    padding: 12px 32px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 8px;
    text-transform: uppercase;
    background: rgba(0, 102, 170, 0.25);
    color: var(--accent);
    border: 1px solid rgba(0, 180, 255, 0.35);
    transition: all 0.2s ease;
    min-width: 180px;
}

.action-btn-primary:hover {
    background: rgba(0, 150, 220, 0.3);
    border-color: var(--accent);
    box-shadow: 0 0 16px rgba(0, 180, 255, 0.2);
    transform: translateY(-1px);
}

.action-btn-primary:active {
    transform: scale(0.98);
}

.total-damage {
    font-size: 0.78rem;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

/* ==================== UPGRADES SCROLL ==================== */
.upgrades-scroll {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    padding: 4px 2px 10px;
    -webkit-overflow-scrolling: touch;
}

.upgrades-scroll::-webkit-scrollbar { width: 3px; }
.upgrades-scroll::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 10px;
}

.upgrades-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 10px;
    width: 100%;
}

/* ==================== UPGRADE CARD ==================== */
.upgrade {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 16px 18px;
    border-radius: 12px;
    text-align: left;
    transition: border-color 0.25s, box-shadow 0.25s;
    position: relative;
    overflow: hidden;
}

.upgrade::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(153, 102, 255, 0.4), transparent);
    opacity: 0;
    transition: opacity 0.25s;
}

.upgrade:not(.locked):hover {
    border-color: rgba(153, 102, 255, 0.5);
    box-shadow: 0 4px 24px rgba(100, 60, 200, 0.12);
}

.upgrade:not(.locked):hover::before {
    opacity: 1;
}

.upgrade.locked {
    opacity: 0.35;
    filter: grayscale(0.8);
}

.upgrade-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.upgrade-header span { font-size: 1.6rem; }

.upgrade-header strong {
    font-size: 1.05rem;
    flex: 1;
    color: var(--text);
}

.count {
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 700;
    font-family: monospace;
}

.upgrade-info {
    margin-bottom: 12px;
    line-height: 1.7;
    font-size: 0.88rem;
    color: var(--text-dim);
}

.cost-val { color: var(--gold); font-weight: 600; }
.damage-val { color: var(--orange); font-weight: 600; }

/* ==================== BOTONES UPGRADE ==================== */
.upgrade-buttons {
    display: flex;
    gap: 8px;
}

.upgrade-buttons button {
    flex: 1;
    padding: 11px 8px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    border-radius: 7px;
    transition: all 0.18s ease;
    text-transform: uppercase;
}

.buy-btn {
    background: rgba(0, 170, 204, 0.12);
    color: #00ccff;
    border: 1px solid rgba(0, 170, 204, 0.3);
}

.buy-btn:not(:disabled):hover {
    background: rgba(0, 200, 255, 0.2);
    border-color: rgba(0, 200, 255, 0.6);
    box-shadow: 0 0 12px rgba(0, 200, 255, 0.12);
    transform: translateY(-1px);
}

.buy-btn:disabled {
    background: transparent;
    color: #2a2a44;
    border-color: #151525;
    cursor: not-allowed;
}



/* ==================== MODAL ==================== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(3, 3, 12, 0.88);
    backdrop-filter: blur(6px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 16px;
    width: 100%;
    max-width: 440px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 0 60px rgba(0, 240, 255, 0.06), 0 20px 40px rgba(0,0,0,0.6);
    position: relative;
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0; left: 10%; right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    border-bottom: 1px solid var(--card-border);
    position: sticky;
    top: 0;
    background: var(--card-bg);
    z-index: 10;
    gap: 12px;
}

.modal-header h2 {
    margin: 0;
    font-size: 0.90rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
}

.modal-essence {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    background: rgba(0, 240, 255, 0.06);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: 8px;
    padding: 6px 12px;
}

.modal-essence .label {
    font-size: 0.6rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.modal-essence strong {
    color: var(--accent);
    font-size: 1rem;
    font-weight: 600;
    font-family: monospace;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-dim);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
}

.close-btn:hover {
    color: var(--red);
    background: rgba(255, 45, 85, 0.1);
}

.dps-list {
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dps-item {
    background: #0a0a16;
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 14px 16px;
}

.dps-item h3 {
    margin: 0 0 4px 0;
    font-size: 1rem;
    color: var(--text);
}

.dps-item p {
    margin: 0 0 10px;
    font-size: 0.82rem;
    color: var(--text-dim);
    line-height: 1.5;
}

.dps-buy-btn {
    width: 100%;
    padding: 11px;
    background: rgba(0, 102, 170, 0.18);
    color: var(--accent);
    border: 1px solid rgba(0, 180, 255, 0.25);
    border-radius: 7px;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.18s ease;
}

.dps-buy-btn:not(:disabled):hover {
    background: rgba(0, 150, 220, 0.26);
    border-color: var(--accent);
    box-shadow: 0 0 14px rgba(0, 200, 255, 0.12);
}

.dps-buy-btn:disabled {
    background: transparent;
    color: #2a2a44;
    border-color: #151525;
    cursor: not-allowed;
}

/* ==================== FEEDBACK DE BOTONES ==================== */
@keyframes btn-flash-buy {
    0%   { background: rgba(0, 200, 255, 0.12); border-color: rgba(0, 170, 204, 0.3); }
    40%  { background: rgba(0, 200, 255, 0.45); border-color: rgba(0, 220, 255, 0.9); box-shadow: 0 0 20px rgba(0, 200, 255, 0.4); }
    100% { background: rgba(0, 200, 255, 0.12); border-color: rgba(0, 170, 204, 0.3); }
}

@keyframes btn-flash-dps {
    0%   { background: rgba(0, 102, 170, 0.18); border-color: rgba(0, 180, 255, 0.25); }
    40%  { background: rgba(0, 180, 255, 0.4);  border-color: var(--accent); box-shadow: 0 0 20px rgba(0, 180, 255, 0.35); }
    100% { background: rgba(0, 102, 170, 0.18); border-color: rgba(0, 180, 255, 0.25); }
}

@keyframes btn-bounce {
    0%   { transform: scale(1); }
    35%  { transform: scale(0.88); }
    70%  { transform: scale(1.06); }
    100% { transform: scale(1); }
}

.buy-btn.clicked {
    animation: btn-bounce 0.22s ease, btn-flash-buy 0.3s ease;
}

.dps-buy-btn.clicked {
    animation: btn-bounce 0.22s ease, btn-flash-dps 0.3s ease;
}

/* ==================== BOSS CLICKABLE ==================== */
.boss-visual-wrapper {
    cursor: pointer;
    border-radius: 50%;
    transition: transform 0.1s ease;
}

.boss-visual-wrapper:active {
    transform: scale(0.92);
}

@keyframes boss-hit {
    0%   { filter: drop-shadow(0 0 20px var(--accent-glow)); }
    30%  { filter: drop-shadow(0 0 50px rgba(255, 45, 85, 0.9)) drop-shadow(0 0 30px rgba(255, 100, 100, 0.6)); }
    100% { filter: drop-shadow(0 0 20px var(--accent-glow)); }
}

@keyframes boss-bounce {
    0%   { transform: scale(1); }
    25%  { transform: scale(0.88) rotate(-3deg); }
    60%  { transform: scale(1.08) rotate(2deg); }
    100% { transform: scale(1) rotate(0deg); }
}

.boss-visual.hit {
    animation: boss-bounce 0.25s ease, boss-hit 0.35s ease;
}

/* Número de daño flotante */
@keyframes damage-float {
    0%   { opacity: 1; transform: translateY(0) scale(1); }
    100% { opacity: 0; transform: translateY(-60px) scale(0.8); }
}

.damage-number {
    position: absolute;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--red);
    text-shadow: 0 0 10px var(--red-glow);
    pointer-events: none;
    animation: damage-float 0.8s ease forwards;
    z-index: 10;
    font-family: monospace;
}

/* ==================== TRIALS ==================== */
.actions-panel {
    flex-direction: row;
    justify-content: center;
    gap: 10px;
}

.boss-trials-btn-primary {
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 8px;
    text-transform: uppercase;
    background: rgba(255, 100, 50, 0.2);
    color: var(--orange);
    border: 1px solid rgba(255, 120, 50, 0.4);
    transition: all 0.2s ease;
    min-width: 140px;
}

.boss-trials-btn-primary:hover {
    background: rgba(255, 120, 50, 0.3);
    border-color: var(--orange);
    box-shadow: 0 0 16px rgba(255, 100, 50, 0.2);
    transform: translateY(-1px);
}

.boss-trials-btn-primary:disabled {
    background: transparent;
    color: #2a2a44;
    border-color: #151525;
    cursor: not-allowed;
    transform: none;
}

.trial-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.trial-boss-preview {
    text-align: center;
    padding: 20px;
    background: #0a0a16;
    border: 1px solid var(--card-border);
    border-radius: 12px;
}

.trial-boss-icon {
    font-size: 5rem;
    margin-bottom: 8px;
    filter: drop-shadow(0 0 20px rgba(255, 100, 50, 0.5));
    animation: void-pulse 4s infinite ease-in-out;
}

.trial-boss-name {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 6px;
}

.trial-boss-hp {
    font-size: 0.85rem;
    color: var(--text-dim);
    font-family: monospace;
}

.trial-info {
    background: #0a0a16;
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 14px 16px;
}

.trial-stat {
    margin: 4px 0;
    font-size: 0.88rem;
    color: var(--text-dim);
}

.trial-stat strong {
    color: var(--text);
}

.trial-hint {
    margin: 10px 0 0;
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
}

.trial-hint.can-win  { color: var(--green); }
.trial-hint.cant-win { color: var(--red);   }

.trial-enter-btn {
    width: 100%;
    padding: 14px;
    background: rgba(255, 100, 50, 0.2);
    color: var(--orange);
    border: 1px solid rgba(255, 120, 50, 0.4);
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.2s ease;
}

.trial-enter-btn:not(:disabled):hover {
    background: rgba(255, 120, 50, 0.3);
    border-color: var(--orange);
    box-shadow: 0 0 20px rgba(255, 100, 50, 0.2);
}

.trial-enter-btn:disabled {
    background: transparent;
    color: #2a2a44;
    border-color: #151525;
    cursor: not-allowed;
}

/* Resultado del trial */
@keyframes trial-win {
    0%   { box-shadow: 0 0 0 rgba(0, 255, 136, 0); }
    50%  { box-shadow: 0 0 40px rgba(0, 255, 136, 0.4); }
    100% { box-shadow: 0 0 0 rgba(0, 255, 136, 0); }
}

@keyframes trial-fail {
    0%   { box-shadow: 0 0 0 rgba(255, 45, 85, 0); }
    50%  { box-shadow: 0 0 40px rgba(255, 45, 85, 0.4); }
    100% { box-shadow: 0 0 0 rgba(255, 45, 85, 0); }
}

.trial-win-flash  { animation: trial-win  0.6s ease; }
.trial-fail-flash { animation: trial-fail 0.6s ease; }

.footer-text {
    text-align: center;
    padding: 12px 0;
    font-size: 0.75rem;
    color: var(--accent);
}