/* ===== Reset & Base ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0f0e17;--surface:#1a1a2e;--surface2:#16213e;
  --primary:#e2b714;--primary-glow:#e2b71444;
  --accent:#ff6b6b;--accent2:#4ecdc4;--accent3:#a855f7;
  --text:#fffffe;--text-dim:#a7a9be;
  --radius:16px;--radius-sm:10px;
  --font:'Noto Sans KR',sans-serif;
}
html{font-size:20px}
.hidden{display:none !important}
body{font-family:var(--font);background:var(--bg);color:transparent;min-height:100vh;overflow-x:hidden;position:relative}

/* ===== Particles ===== */
#particles-container{position:fixed;inset:0;pointer-events:none;z-index:0}
.particle{position:absolute;border-radius:50%;opacity:.3;animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-30px) scale(1.1)}}

/* ===== Screens ===== */
.screen{display:none;min-height:100vh;position:relative;z-index:1;color:var(--text)}
.screen.active{display:flex;flex-direction:column;align-items:center;justify-content:center}

/* ===== Start Screen ===== */
.start-content{text-align:center;padding:2rem;max-width:520px;width:100%;animation:fadeUp .8s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.logo-icon{width:100px;height:100px;margin:0 auto 1rem;animation:bounce 2s ease infinite;border-radius:50%;object-fit:cover;box-shadow:0 10px 30px rgba(0,0,0,0.3);display:block}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.title-main{font-size:2.2rem;font-weight:900;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.4rem}
.subtitle{color:var(--text-dim);font-size:1rem;font-weight:300;letter-spacing:2px}
.divider{width:60px;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));margin:1.5rem auto;border-radius:2px}

/* Rules summary */
.rules-summary{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:2rem}
.rule-item{background:var(--surface);padding:.6rem 1rem;border-radius:var(--radius-sm);font-size:.85rem;display:flex;align-items:center;gap:.5rem;border:1px solid #ffffff10}
.rule-icon{font-size:1.1rem}

/* Player Setup */
.player-setup{background:var(--surface);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem;border:1px solid #ffffff10;text-align:left}
.player-setup h3{font-size:.95rem;color:var(--primary);margin-bottom:1rem;text-align:center}
#player-inputs{display:flex;flex-direction:column;gap:.5rem;max-height:200px;overflow-y:auto;padding-right:.3rem}
.player-input-row{display:flex;align-items:center;gap:.5rem}
.player-number{width:24px;height:24px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;color:var(--bg);flex-shrink:0}
.player-name-input{flex:1;padding:.6rem .8rem;background:var(--bg);border:1px solid #ffffff15;border-radius:var(--radius-sm);color:var(--text);font-family:var(--font);font-size:.9rem;outline:none;transition:border-color .3s}
.player-name-input:focus{border-color:var(--primary)}
.btn-remove-player{background:none;border:none;color:var(--accent);cursor:pointer;font-size:.9rem;padding:4px 8px;border-radius:6px;transition:background .2s}
.btn-remove-player:hover{background:#ffffff10}
.btn-add{display:flex;align-items:center;justify-content:center;width:100%;padding:.6rem;background:none;border:2px dashed #ffffff15;border-radius:var(--radius-sm);color:var(--text-dim);cursor:pointer;font-family:var(--font);font-size:.85rem;margin-top:.5rem;transition:all .3s}
.btn-add:hover{border-color:var(--primary);color:var(--primary)}

/* Buttons */
.btn-primary{display:inline-flex;align-items:center;gap:.5rem;padding:1rem 2.5rem;background:linear-gradient(135deg,var(--primary),#f0c030);border:none;border-radius:50px;color:var(--bg);font-family:var(--font);font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s;box-shadow:0 4px 25px var(--primary-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 35px var(--primary-glow)}
.btn-secondary{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 2rem;background:var(--surface);border:2px solid var(--primary);border-radius:50px;color:var(--primary);font-family:var(--font);font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s}
.btn-secondary:hover{background:var(--primary);color:var(--bg)}
.pulse-animation{animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 4px 25px var(--primary-glow)}50%{box-shadow:0 4px 40px #e2b71466}}

/* ===== Game Screen ===== */
#game-screen.active{justify-content:flex-start;padding-top:0}
.top-bar{width:100%;display:flex;align-items:center;justify-content:space-between;padding:.5rem 1.5rem;background:var(--surface);border-bottom:1px solid #ffffff08}
.top-bar-left{display:flex;align-items:center;gap:12px}
.logo-badge{width:48px;height:48px;border-radius:50%;box-shadow:0 0 12px var(--primary-glow);user-select:none;animation:logoGlow 3s ease-in-out infinite alternate;object-fit:cover}
@keyframes logoGlow{0%{box-shadow:0 0 8px var(--primary-glow)}100%{box-shadow:0 0 16px rgba(226,183,20,0.6)}}
.turn-info{text-align:left}
.current-player-label{font-size:.7rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:1px}
.current-player-name{font-size:1.2rem;font-weight:700;color:var(--primary)}
.game-stats{display:flex;gap:1.5rem}
.stat-item{text-align:center}
.stat-label{display:block;font-size:.65rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:1px}
.stat-value{font-size:1.1rem;font-weight:700;color:var(--accent2)}
.top-actions{display:flex;gap:.5rem}
.btn-icon{background:none;border:none;font-size:1.4rem;cursor:pointer;padding:.3rem;transition:transform .2s}
.btn-icon:hover{transform:scale(1.15)}

/* Progress */
.progress-bar-container{width:100%;height:4px;background:#ffffff08}
.progress-bar{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent2));width:0%;transition:width .5s ease;border-radius:0 2px 2px 0}

/* Timer */
.timer-container{display:flex;flex-direction:column;align-items:center;gap:.8rem;margin:1rem 0}
.timer-container.hidden{display:none}
.timer-ring{position:relative;width:100px;height:100px}
.timer-ring svg{transform:rotate(-90deg)}
.timer-bg{fill:none;stroke:#ffffff08;stroke-width:6}
.timer-progress{fill:none;stroke:var(--accent2);stroke-width:6;stroke-linecap:round;stroke-dasharray:339.292;stroke-dashoffset:0;transition:stroke-dashoffset 1s linear,stroke .3s}
.timer-text{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700}
.timer-controls{display:flex;gap:.5rem}
.btn-timer{padding:.4rem .8rem;background:var(--surface);border:1px solid #ffffff15;border-radius:var(--radius-sm);color:var(--text);font-family:var(--font);font-size:.8rem;cursor:pointer;transition:all .2s}
.btn-timer:hover{border-color:var(--primary)}

/* Card Area */
.card-area{flex:none;display:flex;align-items:center;justify-content:center;padding:.5rem 1.5rem;width:100%;max-width:550px;margin:1rem auto 0;perspective:1000px}
.card-deck,.drawn-card{width:100%;height:260px;border-radius:var(--radius);cursor:pointer;transition:transform .3s}
.card-deck:hover{transform:scale(1.02)}
.card-back{width:100%;height:100%;background:linear-gradient(135deg,var(--surface2),var(--surface));border:2px solid var(--primary);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.card-back::before{content:'';position:absolute;inset:8px;border:1px dashed var(--primary);border-radius:12px;opacity:.3}
.card-back-design{text-align:center;display:flex;flex-direction:column;align-items:center}
.card-back-icon{width:70px;height:70px;margin-bottom:.5rem;border-radius:50%;object-fit:cover;box-shadow:0 4px 15px rgba(0,0,0,0.2)}
.card-back-text{font-size:.95rem;font-weight:600;color:var(--primary)}
.card-tap-hint{font-size:.7rem;color:var(--text-dim);margin-top:.4rem;animation:pulse2 1.5s ease infinite}
@keyframes pulse2{0%,100%{opacity:.5}50%{opacity:1}}

.drawn-card{position:relative}
.drawn-card.hidden{display:none}
.card-front{width:100%;height:100%;background:linear-gradient(135deg,#1e1e3a,#2a1a3e);border:2px solid var(--accent3);border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1.5rem;text-align:center;box-shadow:0 10px 40px #a855f733;animation:cardAppear .6s ease}
@keyframes cardAppear{from{transform:rotateY(90deg) scale(.8);opacity:0}to{transform:rotateY(0) scale(1);opacity:1}}
.card-header-text{font-size:.8rem;color:var(--accent3);font-weight:400;letter-spacing:1px;margin-bottom:.8rem}
.card-question-text{font-size:1.6rem;font-weight:700;line-height:1.5;color:var(--text)}
.card-footer{margin-top:auto;padding-top:.8rem}
.card-number{font-size:.7rem;color:var(--text-dim);background:#ffffff08;padding:.2rem .6rem;border-radius:20px}

/* Action Buttons */
.action-buttons{display:flex;gap:1rem;padding:.5rem;justify-content:center}
.action-buttons.hidden{display:none}
.btn-action{padding:.8rem 1.8rem;border:none;border-radius:50px;font-family:var(--font);font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s;display:flex;align-items:center;gap:.4rem}
.btn-answer{background:linear-gradient(135deg,var(--accent2),#38b2ac);color:var(--bg)}
.btn-answer:hover{transform:translateY(-2px);box-shadow:0 5px 20px #4ecdc444}
.btn-skip{background:var(--surface);color:var(--text-dim);border:1px solid #ffffff15}
.btn-skip:hover{border-color:var(--accent);color:var(--accent)}
.btn-next{background:linear-gradient(135deg,var(--primary),#f0c030);color:var(--bg)}
.btn-next:hover{transform:translateY(-2px);box-shadow:0 5px 20px var(--primary-glow)}

/* Player Avatars */
.player-avatars{display:flex;gap:.6rem;padding:.5rem 1rem;justify-content:center;flex-wrap:wrap;border-top:1px solid #ffffff08;margin-bottom:.5rem}
.avatar{padding:.4rem .8rem;border-radius:20px;font-size:.75rem;font-weight:500;background:var(--surface);border:2px solid transparent;transition:all .3s;opacity:.5}
.avatar.active{opacity:1;border-color:var(--primary);background:var(--surface2);box-shadow:0 0 15px var(--primary-glow)}
.avatar.done{opacity:.4;text-decoration:line-through}

/* ===== Results Screen ===== */
.results-content{text-align:center;padding:2rem;max-width:500px;animation:fadeUp .8s ease}
.results-icon{font-size:4rem;margin-bottom:1rem}
.results-title{font-size:2rem;font-weight:900;background:linear-gradient(135deg,var(--primary),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.results-subtitle{color:var(--text-dim);margin-bottom:2rem}
.results-summary{background:var(--surface);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem;text-align:left;border:1px solid #ffffff10}
.results-summary h3{font-size:.9rem;color:var(--primary);margin-bottom:1rem}
.result-player{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;border-bottom:1px solid #ffffff08}
.result-player:last-child{border-bottom:none}
.result-player-name{font-weight:600}
.result-player-cards{font-size:.8rem;color:var(--accent2)}
.results-message{background:linear-gradient(135deg,var(--surface2),var(--surface));border-radius:var(--radius);padding:1.5rem;margin-bottom:2rem;border:1px solid var(--primary);font-size:.95rem;line-height:1.8}
.results-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* ===== Modal ===== */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;color:var(--text)}
.modal.hidden{display:none}
.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(4px)}
.modal-content{position:relative;background:var(--surface);border-radius:var(--radius);padding:2rem;max-width:450px;width:90%;border:1px solid #ffffff10;animation:fadeUp .4s ease}
.modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;color:var(--text-dim);font-size:1.2rem;cursor:pointer}
.modal-content h2{margin-bottom:1.2rem;font-size:1.2rem}
.rules-list{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.2rem}
.rule-step{display:flex;gap:.8rem;align-items:flex-start}
.step-num{font-size:1.1rem;font-weight:700;color:var(--primary);flex-shrink:0}
.rule-step p{font-size:.9rem;line-height:1.6;color:var(--text-dim)}
.rule-tip{background:var(--bg);padding:1rem;border-radius:var(--radius-sm);font-size:.85rem;line-height:1.6;border-left:3px solid var(--primary)}

/* History Modal */
.history-content{max-width:500px;max-height:80vh;display:flex;flex-direction:column}
.history-modal-body{overflow-y:auto;padding-right:.5rem;display:flex;flex-direction:column;gap:.8rem;flex:1;margin-top:1rem}
.empty-history{text-align:center;color:var(--text-dim);padding:2rem 0}
.history-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.4rem}
.history-item-player{font-size:.85rem;font-weight:700;color:var(--primary)}
.history-item-turn{font-size:.7rem;color:var(--text-dim)}

/* ===== Text Answer ===== */
.answer-input-area{width:100%;max-width:550px;margin:.5rem auto 0;padding:0 1.5rem;animation:fadeUp .5s cubic-bezier(0.175,0.885,0.32,1.275);flex-shrink:0}
.answer-input-area.hidden{display:none}
.answer-textarea{width:100%;background:rgba(26,26,46,0.8);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,0.1);border-radius:var(--radius);padding:1rem;color:var(--text);font-family:var(--font);font-size:1.05rem;line-height:1.6;resize:vertical;min-height:90px;outline:none;transition:all .3s ease;box-shadow:0 10px 30px rgba(0,0,0,0.3)}
.answer-textarea::placeholder{color:var(--text-dim);opacity:0.6}
.answer-textarea:focus{border-color:var(--primary);box-shadow:0 0 25px var(--primary-glow),inset 0 0 10px rgba(226,183,20,0.1);background:var(--surface);transform:translateY(-2px)}

/* ===== Results Answers ===== */
.results-answers{background:var(--surface);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem;text-align:left;border:1px solid #ffffff10;max-height:400px;overflow-y:auto;display:none}
.player-history-section{margin-bottom:1.5rem}
.player-history-section:last-child{margin-bottom:0}
.player-history-title{font-size:1.1rem;color:var(--primary);margin-bottom:.8rem;display:flex;align-items:center;gap:.5rem;border-bottom:1px solid #ffffff10;padding-bottom:.5rem}
.player-history-count{font-size:.8rem;color:var(--text-dim);font-weight:400}
.player-history-list{display:flex;flex-direction:column;gap:.6rem}
.history-item{background:#ffffff05;border-radius:var(--radius-sm);padding:.8rem 1rem;border-left:3px solid var(--accent2)}
.history-item.skipped{border-left-color:#ffffff20;opacity:.7}
.history-question{font-size:.9rem;color:var(--text);font-weight:500;display:block}
.history-answer-text{font-size:.85rem;line-height:1.5;color:var(--text-dim);margin-top:.5rem;padding-top:.5rem;border-top:1px dashed #ffffff15}

/* ===== Premium Locked UI ===== */
.results-answers.locked {position:relative;overflow:hidden}
.premium-locked-content {filter:blur(6px);opacity:0.4;pointer-events:none;user-select:none}
.premium-overlay {position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:rgba(26,26,46,0.5);z-index:10;text-align:center;padding:2rem}
.premium-icon {font-size:3rem;margin-bottom:0.5rem;text-shadow:0 0 20px var(--primary-glow)}
.premium-overlay h3 {color:var(--primary);font-size:1.3rem;margin-bottom:0.5rem}
.premium-overlay p {color:var(--text);font-size:0.9rem;margin-bottom:1.5rem;line-height:1.5}
.btn-premium {padding:0.8rem 1.8rem;background:linear-gradient(135deg,#e2b714,#ff9d00);border:none;border-radius:50px;color:#1a1a2e;font-family:var(--font);font-size:.9rem;font-weight:700;cursor:pointer;box-shadow:0 5px 20px rgba(226,183,20,0.3);transition:all 0.3s;display:inline-block}
.btn-premium:hover {transform:translateY(-2px);box-shadow:0 8px 25px rgba(226,183,20,0.5)}

/* ===== Premium Actions (Save/Print) ===== */
.premium-actions {display:flex;gap:1rem;justify-content:center;margin-top:1rem;flex-wrap:wrap}
.premium-actions.hidden {display:none !important}
.btn-save {background:linear-gradient(135deg,#10b981,#059669);color:white;border:none}
.btn-save:hover {transform:translateY(-2px);box-shadow:0 5px 20px rgba(16,185,129,0.3)}

/* ===== Scrollbar ===== */
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--primary);border-radius:2px}

/* ===== Responsive ===== */
@media(max-width:600px){
  html{font-size:16px}
  .title-main{font-size:1.6rem}
  .rules-summary{flex-direction:column;align-items:center}
  .card-deck,.drawn-card{width:100%;height:200px}
  .card-question-text{font-size:1.3rem}
  .top-bar{padding:.8rem 1rem;flex-wrap:wrap;gap:.5rem}
  .game-stats{gap:.8rem}
  .results-title{font-size:1.5rem}
}

/* ===== Auth Header (Login/Logout) ===== */
.auth-header {
  position: absolute;
  top: 0.9rem;
  right: 1.2rem;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-info {
  display: flex;
  align-items: center;
  font-family: var(--font);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text);
  gap: 6px;
}

.user-welcome-box, .user-credit-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.4rem 0.8rem;
  border-radius: 50px;
  display: flex;
  align-items: center;
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.highlight-name {
  color: var(--primary);
  font-weight: 700;
  margin-right: 2px;
}

.highlight-credit {
  color: var(--primary);
  font-weight: 700;
  margin-left: 4px;
  margin-right: 2px;
}

.btn-auth {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.45rem 1rem;
  background: linear-gradient(135deg, var(--primary) 0%, #f0c030 100%);
  color: var(--bg);
  border: none;
  border-radius: 50px;
  font-family: var(--font);
  font-size: 0.65rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-auth:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-auth:active {
  transform: translateY(0);
}

.btn-auth.logged-in {
  background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
  color: #fff;
  border: none;
  box-shadow: 0 4px 15px rgba(229, 62, 62, 0.2);
}

.btn-auth.logged-in:hover {
  background: linear-gradient(135deg, #f56565 0%, #e53e3e 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(229, 62, 62, 0.4);
  transform: translateY(-2px);
}

@media(max-width:600px){
  .auth-header {
    position: static;
    display: flex;
    justify-content: flex-end;
    width: 100%;
    padding: 0.5rem 1rem 0;
    margin-bottom: -1rem;
    z-index: 100;
  }
  .btn-auth {
    padding: 0.4rem 0.8rem;
    font-size: 0.65rem;
  }
}

.footer-kakao {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 2.5rem;
  margin-bottom: 0.5rem;
  opacity: 0.6;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: opacity 0.3s;
}
.footer-kakao:hover {
  opacity: 0.9;
}