:root{--bg:#fbfaf9;--card:#ffffff;--text:#102a43;--muted:#596e79;--accent-1:#e6e0d4;--accent-2:#d9cfc3;--accent-3:#cbbfb3;--success:#4caf50;--danger:#ef5350;--radius:12px;--shadow:0 6px 18px rgba(15,23,42,0.08)}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;padding:0;background:#f2f2f2;font-family:Arial,sans-serif;display:flex;flex-direction:column;align-items:center;min-height:100vh}

/* TOPBAR fija arriba */
.topbar{width:100%;max-width:1400px;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;gap:12px;background:white;box-shadow:0 2px 6px rgba(0,0,0,0.1);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:12px}
.logo{font-size:26px}
.title{margin:0;font-size:22px;letter-spacing:0.6px}
.status-panel{display:flex;gap:8px;align-items:center}
.stat{background:var(--card);padding:6px 10px;border-radius:10px;box-shadow:var(--shadow);font-weight:600}
.icon-btn{background:transparent;border:none;font-size:20px;cursor:pointer}

/* CONTENEDOR PRINCIPAL más grande */
#gameContainer{width:95vw;max-width:1400px;margin:15px 0;padding:30px;background:white;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.15)}

/* SETTINGS */
#screen-settings label{display:flex;align-items:center;gap:8px;margin-bottom:12px}#screen-settings label .range-value{min-width:35px;text-align:center}

/* ÁREA DE JUEGO */
.main{width:100%;padding:12px;display:flex;align-items:center;justify-content:center}
.screen{width:100%;max-width:1400px}
.hidden{display:none}
.panel{background:var(--card);padding:18px;border-radius:var(--radius);box-shadow:var(--shadow)}

/* VOCAB LISTS */
.voclists{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.voclistItem{display:block;width:100%;text-align:left;padding:10px 12px;border-radius:var(--radius);border:1px solid #e6e9ef;background:var(--card);cursor:pointer;font-weight:500;transition:background .2s ease,transform .1s ease}
.voclistItem:hover{background:var(--accent-1);transform:translateY(-2px)}
.voclistItem:active{transform:translateY(0)}
.panel-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:12px}
.btn{padding:10px 12px;border-radius:10px;border:1px solid #e6e9ef;background:white;cursor:pointer}
.btn.primary{background:linear-gradient(180deg,var(--accent-2),var(--accent-3));border:none}

/* MODAL AÑADIR PALABRAS EN VIVO */
.custom-modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:9999}
.custom-modal.hidden{display:none}
.custom-modal-content{background:#fff;padding:20px;border-radius:12px;width:90%;max-width:400px;box-shadow:0 4px 14px rgba(0,0,0,.2);animation:fadeIn .2s ease-out}
.custom-modal-content h2{margin-top:0;font-size:20px;text-align:center}
.custom-modal-content .sub{font-size:13px;color:#666;text-align:center}
#customWordsInput{width:100%;height:120px;margin-top:10px;padding:10px;font-size:16px;border-radius:8px;border:1px solid #bbb}
.modal-buttons{margin-top:15px;display:flex;justify-content:space-between;gap:10px}
.modal-buttons button{flex:1;padding:10px;border-radius:8px;font-size:16px;cursor:pointer}
button.ok{background:#4CAF50;color:#fff;border:none}

#modalOverlay { position: fixed; top:0; left:0; width:100%; height:100%; background: rgba(0,0,0,0.5); z-index:999; display:none; }
#customWordsModal { position: fixed; top:50%; left:50%; transform: translate(-50%,-50%); z-index:1000; background:white; padding:20px; border-radius:8px; }
body.modal-open #main, body.modal-open header, body.modal-open footer { filter: blur(4px); pointer-events:none; user-select:none; }

#wordListModal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1000;background:#fff;padding:20px;border-radius:12px;max-width:400px;width:90%;max-height:70vh;overflow-y:auto;box-shadow:0 4px 14px rgba(0,0,0,0.2);display:none}
#wordListModal h2{text-align:center;margin-top:0}
#wordListModal ul{list-style:none;padding:0}
#wordListModal ul li{padding:4px 6px;border-bottom:1px solid #eee}

/* GAME LAYOUT más ancho */
.game-layout{display:flex;gap:18px;align-items:stretch}
.hangman-area{flex:0 0 auto;width:100%;max-width:420px;background:var(--card);border-radius:12px;padding:10px;box-shadow:var(--shadow);display:flex;align-items:flex-start;justify-content:center}
.play-area{flex:1;display:flex;flex-direction:column;gap:18px}
.word-area{font-size:4vw;padding:26px;background: #fffbea;border-radius:12px;min-height:160px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.keyboard{display:flex;flex-wrap:wrap;gap:10px;padding:10px;align-items:center}
.key{padding:12px 14px;border-radius:8px;border:1px solid #e6e9ef;background:white;min-width:42px;text-align:center;cursor:pointer;user-select:none}
.key.disabled{opacity:.5;cursor:not-allowed}
.key.correct{background-color:#388E3C !important;color:white}
.key.wrong{background-color:#D32F2F !important;color:white}
.controls-row{display:flex;gap:8px}

/* FOOTER fijado abajo */
.footer{width:100%;max-width:1400px;padding:10px;text-align:center;color:var(--muted);font-size:14px;background:white;box-shadow:0 -2px 6px rgba(0,0,0,0.1);margin-top:auto}

/* MODO APRENDIZAJE */
#learningBox{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 18px;font-size:15px;line-height:1.45;margin-top:10px;will-change:opacity,transform;color:var(--text);animation:fadeInUp .25s ease-out}
#learningBox.hidden{display:none}
#learningBox .row{margin-bottom:6px;display:flex;flex-wrap:wrap}
#learningBox .label{font-weight:600;color:var(--muted);margin-right:6px}

/* letras falladas */
.word-area .missed{color:var(--danger);text-decoration:line-through}
.word-area.success{animation:wordSuccess .4s ease-out both}

@keyframes wordSuccess{0%{transform:scale(1)}50%{transform:scale(1.05)}100%{transform:scale(1)}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* RESPONSIVE */
@media(max-width:900px){
  .game-layout{flex-direction:column}
  .hangman-area{order:2;width:100%;flex:0 0 auto;display:flex;justify-content:center;align-items:center}
  .play-area{order:1}
  .hangman-area svg{width:auto;max-width:80%;height:auto;max-height:400px;display:block}
  .word-area{font-size:4.5vw}
}
#hangmanSVG{width:100%;height:100%}
.hpart{opacity:0;transition:opacity .25s ease,transform .25s ease;transform:translateY(-8px)}
.hpart.visible{opacity:1;transform:none}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:80px;padding:12px 16px;background:rgba(0,0,0,.8);color:white;border-radius:12px;box-shadow:var(--shadow);z-index:1000}
@media(max-width:480px){.title{font-size:18px}.word-area{font-size:24px;min-height:100px}.key{min-width:34px;padding:8px}}

.settings-stats {
  font-size: 12px;
  color: var(--muted);
  margin: 12px 0;
}

button#btnNew.btn.primary {
  background-color:#28a745;
  background-image:none;
  color:#fff;
  border:1px solid #218838;
}
button#btnNew.btn.primary:hover {background-color:#218838; background-image:none;}
button#btnNew.btn.primary:active {transform:translateY(1px);}
button#btnNew.btn.primary:disabled {background-color:#94d3a2;color:#eee;cursor:not-allowed;}