/* ================================================
   HIKARI TETRIS 3D — Estilos
   ================================================ */

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; user-select:none; }

:root {
    --bg:       #06070f;
    --cyan:     #00d2ff;
    --blue:     #3a7bd5;
    --red:      #ff4757;
    --green:    #2ed573;
    --purple:   #a29bfe;
    --gold:     #ffa502;
    --glass:    rgba(255,255,255,0.05);
    --border:   rgba(0,210,255,0.18);
    --font-g:   'Orbitron', monospace;
    --font-u:   'Poppins', sans-serif;
}

body { overflow:hidden; background:var(--bg); color:#fff; font-family:var(--font-u); }

/* Canvas */
#canvas-container {
    position:fixed; top:0; left:0;
    width:100vw; height:100vh; z-index:1;
}

/* UI */
#game-ui {
    position:fixed; top:0; left:0;
    width:100vw; height:100vh; z-index:10;
    pointer-events:none;
}

.ui-screen {
    position:absolute; top:0; left:0;
    width:100%; height:100%;
    display:flex; flex-direction:column;
    pointer-events:none;
    opacity:0; visibility:hidden;
    transition:opacity .5s ease;
}
.ui-screen.active { opacity:1; visibility:visible; pointer-events:auto; }

/* ================================================
   LOADING
   ================================================ */
#loading-screen {
    background:var(--bg);
    justify-content:center; align-items:center;
    z-index:200; overflow:hidden;
}
.loading-glow {
    position:absolute;
    width:500px; height:500px; border-radius:50%;
    background:radial-gradient(circle, rgba(0,210,255,.1) 0%, transparent 70%);
    animation:pulse 3s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{transform:scale(.8);opacity:.4} 50%{transform:scale(1.2);opacity:1} }

.loader-content { text-align:center; z-index:2; }
.logo-icon {
    font-size:4rem; color:var(--cyan);
    filter:drop-shadow(0 0 25px rgba(0,210,255,.9));
    animation:floatY 2s ease-in-out infinite;
    margin-bottom:15px;
}
@keyframes floatY { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }

.game-title {
    font-family:var(--font-g); font-size:3rem; font-weight:900;
    letter-spacing:8px; margin-bottom:4px;
}
.game-title span { color:var(--cyan); text-shadow:0 0 30px rgba(0,210,255,.8); }
.game-sub {
    font-family:var(--font-g); font-size:.65rem;
    letter-spacing:5px; color:rgba(255,255,255,.4);
    margin-bottom:35px;
}

.loading-bar-wrap {
    width:320px; height:3px;
    background:rgba(255,255,255,.08);
    border-radius:3px; margin:0 auto 12px; overflow:hidden;
}
.loading-bar {
    height:100%; width:0%;
    background:linear-gradient(90deg, var(--blue), var(--cyan));
    transition:width .3s ease;
    box-shadow:0 0 12px rgba(0,210,255,.8);
}
.loading-msg { font-size:.8rem; letter-spacing:2px; color:rgba(255,255,255,.4); }

/* ================================================
   SELECTION SCREEN
   ================================================ */
#selection-screen {
    background:linear-gradient(160deg, #07080f 0%, #0a0e1a 100%);
}
.sel-header {
    display:flex; align-items:center; gap:20px;
    padding:28px 35px;
    background:linear-gradient(180deg, rgba(6,7,15,.95) 0%, transparent 100%);
    flex-shrink:0;
}
.back-btn {
    width:44px; height:44px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    background:var(--glass); border:1px solid var(--border);
    backdrop-filter:blur(10px); color:#fff; text-decoration:none;
    font-size:1rem; transition:all .3s; flex-shrink:0;
}
.back-btn:hover { background:rgba(0,210,255,.2); border-color:var(--cyan); transform:scale(1.1); }
.sel-sub { font-family:var(--font-g); font-size:.6rem; letter-spacing:4px; color:var(--cyan); display:block; }
.sel-header h1 { font-size:1.8rem; font-weight:700; }

/* Cards */
.char-grid {
    display:flex; justify-content:center; align-items:center;
    gap:24px; flex:1; padding:20px 40px;
}

.char-card {
    position:relative; width:230px;
    background:var(--glass);
    border:1px solid rgba(255,255,255,.07);
    border-radius:24px; padding:30px 22px 24px;
    cursor:pointer; text-align:center;
    backdrop-filter:blur(15px);
    transition:all .4s cubic-bezier(.175,.885,.32,1.275);
    overflow:hidden;
}
.char-card:hover { transform:translateY(-14px) scale(1.02); border-color:rgba(255,255,255,.15); box-shadow:0 24px 48px rgba(0,0,0,.5); }
.char-card.selected { transform:translateY(-14px) scale(1.05); }
.char-card.selected[data-char="guerrero"]  { border-color:var(--red);    box-shadow:0 0 0 2px var(--red),   0 24px 50px rgba(255,71,87,.35),  0 0 40px rgba(255,71,87,.2); }
.char-card.selected[data-char="mago"]       { border-color:var(--purple); box-shadow:0 0 0 2px var(--purple),0 24px 50px rgba(162,155,254,.35),0 0 40px rgba(162,155,254,.2); }
.char-card.selected[data-char="explorador"] { border-color:var(--green);  box-shadow:0 0 0 2px var(--green), 0 24px 50px rgba(46,213,115,.35), 0 0 40px rgba(46,213,115,.2); }

.card-glow {
    position:absolute; top:-40px; left:50%; transform:translateX(-50%);
    width:120px; height:120px; border-radius:50%;
    background:radial-gradient(circle, rgba(0,210,255,.15), transparent 70%);
    pointer-events:none;
}
.glow-purple { background:radial-gradient(circle, rgba(162,155,254,.2), transparent 70%); }
.glow-green  { background:radial-gradient(circle, rgba(46,213,115,.15), transparent 70%); }

.featured-badge {
    position:absolute; top:14px; right:14px;
    background:linear-gradient(135deg, #ffa502, #ffcc02);
    color:#000; font-size:.6rem; font-weight:700;
    padding:4px 10px; border-radius:20px; letter-spacing:1px;
}
.featured { border-color:rgba(162,155,254,.2); }

/* Avatars */
.char-avatar {
    width:85px; height:85px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-size:2.2rem; margin:0 auto 18px;
    position:relative; box-shadow:0 10px 25px rgba(0,0,0,.4);
}
.avatar-red    { background:radial-gradient(circle at 35% 35%, #ff6b81, #c0392b); }
.avatar-purple { background:radial-gradient(circle at 35% 35%, #c3b1fd, #6c5ce7); }
.avatar-green  { background:radial-gradient(circle at 35% 35%, #7bed9f, #1e8449); }

.avatar-ring {
    position:absolute; inset:-5px;
    border-radius:50%;
    border:2px solid rgba(255,255,255,.15);
    animation:spinRing 6s linear infinite;
}
@keyframes spinRing { to { transform:rotate(360deg); } }

.char-card h3 { font-size:1.1rem; font-weight:700; margin-bottom:3px; }
.char-role { font-size:.8rem; color:rgba(255,255,255,.5); margin-bottom:10px; }
.char-flavor { font-size:.75rem; color:rgba(255,255,255,.4); margin-bottom:14px; line-height:1.5; }

.char-perks { display:flex; gap:6px; justify-content:center; margin-bottom:14px; flex-wrap:wrap; }
.perk {
    font-size:.65rem; font-weight:600; letter-spacing:.5px;
    padding:3px 10px; border-radius:20px;
    background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.1);
    color:rgba(255,255,255,.7);
}

.char-stats { display:flex; flex-direction:column; gap:7px; }
.stat-r { display:flex; align-items:center; gap:8px; font-size:.65rem; color:rgba(255,255,255,.5); }
.stat-r span { width:52px; text-align:right; flex-shrink:0; }
.sbar { flex:1; height:5px; background:rgba(255,255,255,.08); border-radius:3px; overflow:hidden; }
.sfill { height:100%; border-radius:3px; background:var(--c, var(--cyan)); box-shadow:0 0 6px var(--c, var(--cyan)); }

/* Bottom */
.sel-bottom {
    display:flex; flex-direction:column; align-items:center; gap:14px;
    padding:20px 30px 30px;
    background:linear-gradient(0deg, rgba(6,7,15,.95) 0%, transparent 100%);
    flex-shrink:0;
}
.sel-hint { color:rgba(255,255,255,.45); font-size:.9rem; }

/* ================================================
   BUTTONS
   ================================================ */
.btn-play {
    display:inline-flex; align-items:center; gap:10px;
    padding:15px 55px;
    font-family:var(--font-g); font-size:.9rem;
    font-weight:700; letter-spacing:2px;
    background:linear-gradient(135deg, var(--blue), var(--cyan));
    color:#fff; border:none; border-radius:50px; cursor:pointer;
    box-shadow:0 8px 25px rgba(0,210,255,.35);
    transition:all .3s ease;
}
.btn-play.sm { padding:13px 40px; font-size:.75rem; }
.btn-play:hover:not(:disabled) { transform:translateY(-3px); box-shadow:0 15px 35px rgba(0,210,255,.5); }
.btn-play:disabled { background:rgba(255,255,255,.07); color:rgba(255,255,255,.3); cursor:not-allowed; box-shadow:none; }

.btn-outline {
    display:inline-flex; align-items:center; gap:8px;
    padding:12px 30px;
    background:var(--glass); color:#fff;
    border:1px solid var(--border); border-radius:50px;
    cursor:pointer; font-size:.85rem; font-family:var(--font-u);
    transition:all .3s; text-decoration:none; justify-content:center;
}
.btn-outline:hover { background:rgba(255,255,255,.12); transform:translateY(-2px); }

.btn-danger-link {
    display:inline-flex; align-items:center; gap:8px;
    padding:12px 30px;
    background:rgba(255,71,87,.12); color:var(--red);
    border:1px solid rgba(255,71,87,.3); border-radius:50px;
    cursor:pointer; font-size:.85rem; font-family:var(--font-u);
    transition:all .3s; text-decoration:none; justify-content:center;
}
.btn-danger-link:hover { background:rgba(255,71,87,.25); transform:translateY(-2px); }

/* ================================================
   HUD
   ================================================ */
#hud-screen { pointer-events:none; }

.hud-left {
    position:absolute; left:20px; top:50%; transform:translateY(-50%);
    display:flex; flex-direction:column; gap:12px; width:185px;
}
.hud-right {
    position:absolute; right:20px; top:50%; transform:translateY(-50%);
    display:flex; flex-direction:column; gap:12px; width:130px;
}

.hud-char-badge {
    display:flex; align-items:center; gap:12px;
    background:rgba(6,7,15,.8); backdrop-filter:blur(15px);
    border:1px solid var(--border); border-radius:16px; padding:14px;
}
.hud-char-icon {
    width:40px; height:40px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-size:1.1rem; flex-shrink:0;
}
.icon-red    { background:radial-gradient(circle, #ff6b81, #c0392b); }
.icon-purple { background:radial-gradient(circle, #c3b1fd, #6c5ce7); }
.icon-green  { background:radial-gradient(circle, #7bed9f, #1e8449); }

.hud-char-name { font-family:var(--font-g); font-size:.65rem; letter-spacing:2px; color:var(--cyan); }
.hud-char-role { font-size:.7rem; color:rgba(255,255,255,.5); }

.hud-panel {
    background:rgba(6,7,15,.8); backdrop-filter:blur(15px);
    border:1px solid var(--border); border-radius:14px;
    padding:12px 15px; text-align:center;
}
.hud-label { font-family:var(--font-g); font-size:.55rem; letter-spacing:2px; color:rgba(255,255,255,.4); margin-bottom:5px; }
.hud-value { font-family:var(--font-g); font-size:1.6rem; font-weight:700; }
.score-val { color:var(--gold); text-shadow:0 0 15px rgba(255,165,2,.6); }
.hud-hint { font-size:.65rem; color:rgba(255,255,255,.35); margin-top:5px; }

#next-canvas, #hold-canvas {
    display:block; width:100px; height:100px; margin:0 auto;
}

.controls-panel { text-align:left; }
.ctrl-list { display:flex; flex-direction:column; gap:5px; }
.ctrl-item { font-size:.7rem; color:rgba(255,255,255,.5); display:flex; align-items:center; gap:6px; }
kbd {
    background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.2);
    border-radius:4px; padding:2px 6px; font-size:.65rem; font-family:var(--font-u);
}

.center-msg {
    position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
    font-family:var(--font-g); font-size:1.4rem; letter-spacing:3px;
    color:var(--gold); text-shadow:0 0 25px rgba(255,165,2,.9);
    opacity:0; transition:opacity .4s ease; pointer-events:none;
    text-align:center;
}
.center-msg.show { opacity:1; }

/* ================================================
   OVERLAY SCREENS (Pause / GameOver)
   ================================================ */
.overlay-screen {
    background:rgba(6,7,15,.88);
    backdrop-filter:blur(12px);
    justify-content:center; align-items:center;
}

.modal-box {
    background:rgba(255,255,255,.04);
    border:1px solid var(--border); border-radius:28px;
    padding:50px 60px;
    display:flex; flex-direction:column; align-items:center;
    gap:18px; min-width:340px;
    box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.modal-box h2 {
    font-family:var(--font-g); font-size:1.4rem;
    letter-spacing:4px; color:var(--cyan); margin-bottom:8px;
}

.go-icon { font-size:3.5rem; animation:shakeGO .5s ease infinite alternate; }
@keyframes shakeGO { from{transform:rotate(-8deg)} to{transform:rotate(8deg)} }

.go-stats { display:flex; gap:30px; margin:10px 0; }
.go-stat { text-align:center; }
.go-stat span { font-size:.75rem; color:rgba(255,255,255,.45); display:block; margin-bottom:4px; }
.go-stat strong { font-family:var(--font-g); font-size:1.4rem; color:var(--gold); }