/* Professor Bubbles — Phase 1 */
@font-face{font-family:'Gotham';src:url('../assets/fonts/Gotham-Book.otf') format('opentype');font-weight:400;font-display:swap}
@font-face{font-family:'Gotham';src:url('../assets/fonts/Gotham-Bold.otf') format('opentype');font-weight:700;font-display:swap}
@font-face{font-family:'Matro';src:url('../assets/fonts/FFAD-Matro.ttf') format('truetype');font-display:swap}

:root{
  --felt:#1c6b3c; --felt-dark:#143f26; --felt-edge:#0e2b1a;
  --card:#fdfdf7; --card-text:#171717;
  --gold:#d4a52a; --gold-soft:#c9a227;
  --ink:#e9e4d6; --ink-dim:#9aa08f;
  --panel:#12241b; --panel-2:#0d1b14;
  --red:#cf3b2e; --green:#3da35d; --blue:#3d7fc7;
  --bubble:#f7f3ea; --bubble-prof:#102f22;
  --shadow:0 12px 40px rgba(0,0,0,.55);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{font-family:'Gotham',system-ui,sans-serif;background:radial-gradient(120% 90% at 50% 0%,#1d3a2c 0%,#10231a 55%,#0a1711 100%);color:var(--ink);overflow-x:hidden}
#app{max-width:520px;margin:0 auto;min-height:100vh;position:relative}

.screen{display:none;padding:16px;padding-bottom:calc(28px + env(safe-area-inset-bottom))}
.screen.active{display:block;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- LOGIN ---------- */
#screen-login{display:none;min-height:100vh;align-items:center;justify-content:center}
#screen-login.active{display:flex}
.login-box{width:100%;text-align:center;background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid #2c4a38;border-radius:24px;padding:32px 22px;box-shadow:var(--shadow)}
.logo{margin-bottom:10px}
.brand{font-family:'Matro',Georgia,serif;font-size:34px;line-height:.95;letter-spacing:.5px;color:var(--ink);text-shadow:0 2px 10px rgba(0,0,0,.4);margin-bottom:8px}
.tagline{color:var(--ink-dim);font-size:13px;margin-bottom:24px}
.field{display:block;text-align:left;margin-bottom:14px}
.field span{display:block;font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-dim);margin-bottom:6px}
.field input{width:100%;background:#0c1812;border:1px solid #33503f;border-radius:10px;color:var(--ink);font-family:'Gotham',sans-serif;font-size:16px;padding:13px 14px;outline:none}
.field input:focus{border-color:var(--gold-soft)}
.btn{width:100%;border:none;border-radius:12px;padding:15px;font-family:'Gotham',sans-serif;font-weight:700;font-size:15px;letter-spacing:.4px;cursor:pointer;transition:transform .08s ease,opacity .15s}
.btn:active{transform:scale(.98)}
.btn.primary{background:linear-gradient(180deg,#e0b53a,#c9991d);color:#1a1405;box-shadow:0 6px 18px rgba(201,162,39,.35)}
.btn.primary:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn.ghost{background:transparent;border:1px solid #3c5a48;color:var(--ink)}
.error{color:#ff9d8c;font-size:13px;margin-top:12px}
.hidden{display:none!important}
.fine{color:#6b7a6e;font-size:11px;margin-top:20px}

/* ---------- TOP BAR ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:6px 2px 14px}
.hello{display:flex;flex-direction:column}
.hello span{font-family:'Matro',Georgia,serif;font-size:22px;color:var(--ink)}
.hello small{color:var(--ink-dim);font-size:12px;margin-top:2px}
.link{background:none;border:none;color:var(--gold);font-family:'Gotham',sans-serif;font-size:13px;font-weight:700;cursor:pointer;padding:6px}
.quizbar{align-items:center;gap:8px}
.quiz-title{display:flex;flex-direction:column;align-items:center;flex:1}
.quiz-title span{font-family:'Matro',serif;font-size:15px;color:var(--gold)}
.quiz-title small{font-size:12px;color:var(--ink-dim)}
.quiz-count{font-size:13px;color:var(--ink-dim);font-variant-numeric:tabular-nums}

/* ---------- LESSON LIST ---------- */
.lesson-list{display:flex;flex-direction:column;gap:12px}
.lesson-card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid #2c4a38;border-left:5px solid var(--accent,#c9a227);border-radius:16px;padding:16px 16px 14px;cursor:pointer;transition:transform .1s ease;position:relative;overflow:hidden}
.lesson-card:active{transform:scale(.985)}
.lesson-card .l-title{font-family:'Matro',serif;font-size:18px;color:var(--ink);margin-bottom:3px}
.lesson-card .l-short{font-size:13px;color:var(--ink-dim)}
.lesson-card .l-tagline{font-size:12px;color:var(--gold);margin-top:8px;letter-spacing:.3px}
.lesson-card .l-count{position:absolute;top:12px;right:14px;background:#24392c;color:var(--ink-dim);font-size:11px;border-radius:20px;padding:4px 10px}
.footer-note{margin-top:20px}
.stat-row{display:flex;flex-wrap:wrap;gap:8px}
.stat-pill{background:#14281d;border:1px solid #2c4a38;border-radius:20px;padding:8px 12px;font-size:12px;color:var(--ink-dim)}

/* ---------- FELT TABLE ---------- */
.table-wrap{padding:8px 0 4px}
.felt{position:relative;background:radial-gradient(100% 100% at 50% 42%,#2a8a50 0%,var(--felt) 48%,var(--felt-dark) 78%,var(--felt-edge) 100%);border-radius:50%;aspect-ratio:1.35;box-shadow:inset 0 0 60px rgba(0,0,0,.5),0 10px 30px rgba(0,0,0,.4);border:10px solid #5c3a1e;outline:4px solid #3a2513;margin:0 auto;max-width:380px}
.felt-inner{position:absolute;inset:4%;border-radius:50%;border:2px dashed rgba(255,255,255,.08)}
.pot{position:absolute;top:46%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.55);color:#ffe9b0;font-size:13px;font-weight:700;letter-spacing:.4px;border-radius:18px;padding:5px 14px;border:1px solid rgba(255,255,255,.12);text-align:center;z-index:3}
.dealer-dot{position:absolute;top:42%;left:38%;width:22px;height:22px;background:#fff;color:#111;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;z-index:3;box-shadow:0 2px 6px rgba(0,0,0,.4)}

/* board cards */
.board{position:absolute;top:36%;left:50%;transform:translateX(-50%);display:flex;gap:5px;z-index:3}
.board .card{width:44px;height:62px}

/* seats */
.seat{position:absolute;z-index:2;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:2px;transition:opacity .3s,filter .3s;text-align:center;min-width:64px}
.seat.acting .seat-avatar{box-shadow:0 0 0 3px var(--gold),0 0 14px rgba(212,165,42,.7)}
.seat.folded{opacity:.5;filter:grayscale(.9)}
.seat-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(160deg,#2c4a38,#1b3126);border:2px solid #4a6a54;display:flex;align-items:center;justify-content:center;font-size:17px;transition:box-shadow .2s;position:relative}
.seat-name{font-size:9px;color:#cfd8c8;max-width:72px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;background:rgba(0,0,0,.35);border-radius:8px;padding:1px 5px;line-height:1.3}
.seat-pos{font-size:8px;font-weight:700;color:#ffe9b0;letter-spacing:.5px;background:rgba(0,0,0,.3);border-radius:6px;padding:0 4px}
.seat-stack{font-size:9px;font-variant-numeric:tabular-nums;color:#e8f2e6;background:rgba(0,0,0,.4);border-radius:8px;padding:1px 5px}
.seat-blind{font-size:8px;font-weight:700;background:#c9a227;color:#1a1405;border-radius:6px;padding:1px 6px;position:absolute;top:-12px;left:50%;transform:translateX(-50%);z-index:4}
.seat-bet{position:absolute;top:-18px;left:50%;transform:translateX(-50%);background:var(--gold);color:#1a1405;font-size:10px;font-weight:700;border-radius:12px;padding:2px 8px;box-shadow:0 2px 8px rgba(0,0,0,.4);white-space:nowrap;animation:betPop .25s ease;z-index:5}
@keyframes betPop{from{transform:translateX(-50%) scale(.5);opacity:0}to{transform:translateX(-50%) scale(1);opacity:1}}
.seat-fold{position:absolute;inset:auto;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(140,45,30,.92);color:#fff;font-size:9px;font-weight:700;letter-spacing:.5px;border-radius:8px;padding:3px 8px;z-index:6;display:none;box-shadow:0 2px 6px rgba(0,0,0,.4)}
.seat.folded .seat-fold{display:block}
.seat.folded .seat-avatar{filter:grayscale(1) brightness(.7)}
.seat.folded .seat-avatar::after{content:'✕';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700;background:rgba(0,0,0,.25);border-radius:50%}
.seat-top{top:8%;left:50%;transform:translateX(-50%)}
.seat-left{left:6%;top:58%;transform:translateY(-50%)}
.seat-right{right:6%;top:58%;transform:translateY(-50%)}
.hero-seat .seat-avatar{border-color:var(--gold);background:linear-gradient(160deg,#3d5a48,#24392c)}
.hero-seat .seat-name{color:#ffe9b0;font-weight:700}

/* action ticker */
.action-ticker{min-height:24px;margin:6px 4px 0;font-size:12px;color:var(--ink-dim);text-align:center}
.action-ticker .tk{animation:fade .2s ease}

/* question banner */
.question-banner{background:linear-gradient(180deg,#3a2c10,#2a1f0b);border:1px solid var(--gold);border-radius:14px;padding:13px 15px;font-size:14px;color:#fff7dd;line-height:1.5;margin:12px 0 10px;animation:bubbleIn .3s ease}
.question-banner b{color:var(--gold)}

/* ---------- CARDS ---------- */
.card{background:var(--card);border:1px solid #cfcfc4;border-radius:7px;color:var(--card-text);font-weight:700;display:inline-flex;flex-direction:column;padding:3px 5px;line-height:1;box-shadow:0 2px 6px rgba(0,0,0,.35);position:relative;user-select:none}
.card.red{color:var(--red)}
.card .rank{font-size:12px}
.card .suit{font-size:12px;margin-top:1px}
.card.hero{width:58px;height:82px;border-radius:9px;box-shadow:0 6px 16px rgba(0,0,0,.5);animation:cardIn .25s ease}
.card.hero .rank{font-size:18px}
.card.hero .suit{font-size:18px;margin-top:2px}
@keyframes cardIn{from{transform:translateY(10px) rotate(-4deg);opacity:0}to{transform:none;opacity:1}}

/* ---------- HERO ZONE ---------- */
.hero-zone{display:flex;align-items:flex-end;justify-content:center;gap:16px;margin:14px 0 4px}
.hero-cards{display:flex;gap:10px}
.hero-stack{background:#0c1812;border:1px solid #33503f;color:#ffe9b0;font-weight:700;font-size:13px;border-radius:10px;padding:8px 12px;margin-bottom:8px;font-variant-numeric:tabular-nums}

/* ---------- SITUATION ---------- */
.situation{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid #2c4a38;border-radius:14px;padding:13px 15px;font-size:14px;color:var(--ink);line-height:1.5;margin:10px 0}

/* ---------- ACTIONS ---------- */
.actions{display:flex;gap:8px;margin-bottom:10px}
.actions .btn{flex:1;font-size:14px;padding:13px 6px}
.actions .btn.fold{background:#263229;border:1px solid #3d5542;color:var(--ink)}
.actions .btn.call{background:linear-gradient(180deg,#47925c,#2f6b41);border:1px solid #2f6b41;color:#fff}
.actions .btn.raise{background:linear-gradient(180deg,#b3412f,#8f2f21);border:1px solid #8f2f21;color:#fff}
.actions .btn.selected{outline:3px solid var(--gold);outline-offset:1px}

/* ---------- REASONING ---------- */
.reasoning{display:flex;flex-direction:column;gap:10px}
.reasoning textarea{background:#0c1812;border:1px solid #33503f;border-radius:12px;color:var(--ink);font-family:'Gotham',sans-serif;font-size:14px;padding:12px 14px;resize:none;outline:none}
.reasoning textarea:focus{border-color:var(--gold-soft)}

/* ---------- REPLAY BUBBLES ---------- */
.replay{display:flex;flex-direction:column;gap:12px;padding:4px 0}
.bubble{max-width:92%;border-radius:18px;padding:13px 16px;font-size:14.5px;line-height:1.55;animation:bubbleIn .3s ease;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.bubble b, .bubble strong{font-weight:700}
.bubble.resource-link:hover{border-color:var(--gold)}
@keyframes bubbleIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.bubble.professor{background:var(--bubble-prof);border:1px solid #2d4f3a;color:#e8f2e6;align-self:flex-start;border-bottom-left-radius:4px}
.bubble.professor::before{content:'🎓 ';font-size:16px}
.bubble.student{background:#e2ebdf;border:1px solid #b8c9b2;color:#1c2a20;align-self:flex-end;border-bottom-right-radius:4px}
.bubble.student::before{content:'🧑 ';font-size:16px}
.bubble.verdict{background:var(--bubble);border:1px solid #d8cfa6;color:#3a3113;align-self:center;text-align:center;font-weight:700}
.bubble.verdict.good{border-color:#9fcf9f;background:#eaf6ea;color:#1c4a1c}
.bubble.verdict.bad{border-color:#e0a9a1;background:#fbeeee;color:#8c2c20}
.resource-pill{display:inline-block;background:linear-gradient(180deg,#e0b53a,#c9991d);color:#1a1405;font-weight:700;font-size:12.5px;border-radius:20px;padding:7px 14px;margin:4px 6px 0 0;cursor:pointer;border:none;font-family:'Gotham',sans-serif}
.res-actions{display:flex;gap:10px;margin-top:18px}
.res-actions .btn{flex:1}

/* ---------- MODAL ---------- */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:50;padding:22px;backdrop-filter:blur(3px)}
.modal-card{position:relative;background:var(--panel);border:1px solid #3c5a48;border-radius:18px;max-width:440px;width:100%;padding:26px 20px 20px;box-shadow:var(--shadow);max-height:80vh;overflow-y:auto}
.modal-card h3{font-family:'Matro',serif;font-size:19px;color:var(--gold);margin-bottom:10px;padding-right:30px}
.modal-card p{font-size:14px;line-height:1.6;color:var(--ink)}
.modal-x{position:absolute;top:10px;right:14px;background:none;border:none;color:var(--ink-dim);font-size:26px;cursor:pointer}

/* utility */
.mt8{margin-top:8px}
.center{text-align:center}