/* css/main.css */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
    --felt-green:#1a472a;--felt-light:#1e5631;--felt-dark:#0d2818;
    --bg-dark:#0a0e1a;--bg-card:#141b2d;--bg-surface:#1a2235;
    --gold:#c9a84c;--gold-light:#e8cc6e;--gold-dark:#a68a3a;
    --text-primary:#e8e6e3;--text-secondary:#8892a4;--text-muted:#5a6478;
    --red:#e74c3c;--red-dark:#c0392b;
    --green:#27ae60;--green-dark:#1e8449;
    --blue:#3498db;--blue-dark:#2980b9;
    --orange:#f39c12;
    --card-white:#f5f0e8;
    --transition:0.3s cubic-bezier(0.4,0,0.2,1);
}

html,body{height:100%;font-family:'Inter',sans-serif;background:var(--bg-dark);color:var(--text-primary);overflow:hidden}

.screen{display:none;width:100%;height:100%;position:absolute;top:0;left:0}
.screen.active{display:flex;animation:fadeIn .4s ease}

@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:none;border-radius:8px;font-family:'Inter',sans-serif;font-weight:600;font-size:14px;cursor:pointer;transition:all var(--transition);text-transform:uppercase;letter-spacing:.5px;position:relative;overflow:hidden}
.btn::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.1) 0%,transparent 50%);pointer-events:none}
.btn:hover{transform:translateY(-1px);filter:brightness(1.1)}
.btn:active{transform:translateY(0);filter:brightness(.95)}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important;filter:none!important}

.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#1a1a2e;box-shadow:0 4px 15px rgba(201,168,76,.3)}
.btn-green{background:linear-gradient(135deg,var(--green),var(--green-dark));color:#fff;box-shadow:0 4px 15px rgba(39,174,96,.3)}
.btn-red{background:linear-gradient(135deg,var(--red),var(--red-dark));color:#fff;box-shadow:0 4px 15px rgba(231,76,60,.3)}
.btn-blue{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;box-shadow:0 4px 15px rgba(52,152,219,.3)}
.btn-orange{background:linear-gradient(135deg,var(--orange),#e67e22);color:#fff;box-shadow:0 4px 15px rgba(243,156,18,.3)}
.btn-outline{background:transparent;border:1px solid var(--text-muted);color:var(--text-secondary)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold)}
.btn-small{padding:6px 14px;font-size:12px}
.btn-large{padding:16px 32px;font-size:16px}
.btn-copy{background:none;border:none;cursor:pointer;font-size:16px;padding:4px;opacity:.7;transition:opacity var(--transition)}
.btn-copy:hover{opacity:1}

input[type="text"],input[type="number"],select{width:100%;padding:12px 16px;background:var(--bg-dark);border:1px solid var(--text-muted);border-radius:8px;color:var(--text-primary);font-family:'Inter',sans-serif;font-size:14px;transition:border-color var(--transition);outline:none}
input:focus,select:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,168,76,.1)}
input[type="checkbox"]{width:18px;height:18px;accent-color:var(--gold)}
label{display:block;margin-bottom:6px;font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;font-weight:600}

/* Register */
#screen-register{justify-content:center;align-items:center;background:radial-gradient(ellipse at center,#141b2d 0%,var(--bg-dark) 70%)}
.register-container{text-align:center;max-width:420px;padding:40px}
.logo{margin-bottom:40px}
.logo-suit{font-size:64px;display:block;margin-bottom:8px;text-shadow:0 0 40px rgba(201,168,76,.5);animation:suitPulse 3s ease-in-out infinite}
@keyframes suitPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.logo h1{font-family:'Cinzel',serif;font-size:42px;font-weight:900;color:var(--gold);text-shadow:0 2px 10px rgba(201,168,76,.3);letter-spacing:2px}
.tagline{color:var(--text-secondary);margin-top:8px;font-size:14px;letter-spacing:3px;text-transform:uppercase}
.input-group{margin-bottom:24px;text-align:left}
.btn-icon{font-size:18px;transition:transform var(--transition)}
.btn:hover .btn-icon{transform:translateX(4px)}

/* Lobby */
#screen-lobby{flex-direction:column;align-items:center;padding:20px;overflow-y:auto;background:radial-gradient(ellipse at top,#141b2d 0%,var(--bg-dark) 60%)}
.lobby-container{width:100%;max-width:800px}
.lobby-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.05)}
.logo-small{display:flex;align-items:center;gap:8px;font-family:'Cinzel',serif;font-size:20px;font-weight:700;color:var(--gold)}
.logo-small .logo-suit{font-size:28px;display:inline;animation:none;margin:0}
.player-badge{display:flex;align-items:center;gap:10px;padding:8px 16px;background:var(--bg-surface);border-radius:24px;border:1px solid rgba(201,168,76,.2)}
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-dark));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#1a1a2e}
.lobby-cards{display:flex;gap:24px;align-items:stretch}
.lobby-card{flex:1;background:var(--bg-card);border-radius:16px;padding:32px;text-align:center;border:1px solid rgba(255,255,255,.05);transition:border-color var(--transition)}
.lobby-card:hover{border-color:rgba(201,168,76,.2)}
.lobby-card-icon{font-size:48px;margin-bottom:16px}
.lobby-card h2{font-family:'Cinzel',serif;font-size:22px;color:var(--gold);margin-bottom:8px}
.lobby-card p{color:var(--text-secondary);font-size:13px;margin-bottom:24px}
.lobby-card form{display:flex;flex-direction:column;gap:12px}
.lobby-divider{display:flex;align-items:center;justify-content:center;padding:0 12px}
.lobby-divider span{color:var(--text-muted);font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:2px}

/* Room */
#screen-room{flex-direction:column;padding:20px;overflow-y:auto;background:radial-gradient(ellipse at center,#141b2d 0%,var(--bg-dark) 60%)}
.room-container{width:100%;max-width:900px;margin:0 auto}
.room-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.05)}
.room-info{text-align:center}
.room-info h2{font-family:'Cinzel',serif;color:var(--gold);font-size:20px}
.room-code-display{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:4px;color:var(--text-secondary);font-size:13px}
.code-highlight{font-family:'JetBrains Mono',monospace;font-weight:700;color:var(--gold-light);font-size:16px;letter-spacing:2px;background:rgba(201,168,76,.1);padding:2px 10px;border-radius:4px}
.player-count{font-family:'JetBrains Mono',monospace;font-size:18px;color:var(--text-secondary)}

.seat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:30px}
.seat-slot{background:var(--bg-card);border:2px dashed rgba(255,255,255,.1);border-radius:12px;padding:20px;text-align:center;min-height:100px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;transition:all var(--transition);cursor:pointer}
.seat-slot:hover{border-color:var(--gold);background:rgba(201,168,76,.05)}
.seat-slot.occupied{border-style:solid;border-color:rgba(255,255,255,.1);cursor:default}
.seat-slot.occupied:hover{border-color:rgba(255,255,255,.1);background:var(--bg-card)}
.seat-slot.you{border-color:var(--gold)!important;background:rgba(201,168,76,.08)!important;box-shadow:0 0 20px rgba(201,168,76,.3)}
.seat-slot.host{border-color:var(--gold)}
.seat-number{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}
.seat-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-dark));display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#1a1a2e}
.seat-username{font-weight:600;font-size:14px}
.seat-chips{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--gold)}
.seat-host-badge{font-size:10px;color:var(--gold);text-transform:uppercase;letter-spacing:1px}
.seat-empty-text{color:var(--text-muted);font-size:13px}

.settings-panel{background:var(--bg-card);border-radius:12px;padding:24px;border:1px solid rgba(201,168,76,.15);margin-bottom:20px}
.settings-panel h3{font-family:'Cinzel',serif;color:var(--gold);margin-bottom:20px;font-size:18px}
.settings-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:20px}
.setting-item{display:flex;flex-direction:column}
.setting-item-checkbox{flex-direction:row;align-items:center;gap:8px}
.setting-item-checkbox label{margin-bottom:0}
.settings-actions{display:flex;gap:12px;flex-wrap:wrap}

.waiting-message{text-align:center;padding:40px;color:var(--text-secondary)}
.waiting-message p{font-size:16px;animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}

/* Toast */
.toast-container{position:fixed;top:80px;right:20px;z-index:1000;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{background:var(--bg-surface);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:12px 20px;color:var(--text-primary);font-size:13px;animation:toastIn .3s ease;box-shadow:0 8px 30px rgba(0,0,0,.4);pointer-events:auto;max-width:320px;opacity:1;transition:opacity .3s}
.toast.toast-action{border-left:3px solid var(--gold)}
.toast.toast-winner{border-left:3px solid var(--green);background:rgba(39,174,96,.1)}
.toast.toast-error{border-left:3px solid var(--red)}
.toast.toast-fade{opacity:0;transform:translateX(40px)}
@keyframes toastIn{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}

/* Chat */
.chat-panel{position:fixed;right:0;top:0;bottom:0;width:320px;background:var(--bg-card);border-left:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;z-index:500;animation:slideInRight .3s ease}
@keyframes slideInRight{from{transform:translateX(100%)}to{transform:translateX(0)}}
.chat-header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid rgba(255,255,255,.05)}
.chat-header h3{color:var(--gold);font-size:14px}
.btn-close{background:none;border:none;color:var(--text-muted);font-size:18px;cursor:pointer;padding:4px}
.btn-close:hover{color:var(--text-primary)}
.chat-messages{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}
.chat-msg{font-size:13px;line-height:1.4;padding:6px 10px;border-radius:6px;background:rgba(255,255,255,.03)}
.chat-msg .chat-author{font-weight:600;color:var(--gold);margin-right:6px}
.chat-msg.chat-msg-you .chat-author{color:var(--green)}
.chat-msg .chat-time{font-size:10px;color:var(--text-muted);margin-left:4px}
.chat-input-form{display:flex;gap:8px;padding:12px;border-top:1px solid rgba(255,255,255,.05)}
.chat-input-form input{flex:1;padding:8px 12px;font-size:13px}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;justify-content:center;align-items:center;z-index:2000}
.modal-content{background:var(--bg-card);border:1px solid var(--gold);border-radius:16px;padding:32px;text-align:center;max-width:400px;width:90%}
.modal-content h3{font-family:'Cinzel',serif;color:var(--gold);font-size:22px;margin-bottom:12px}
.modal-content p{color:var(--text-secondary);margin-bottom:8px}
.rebuy-amount{font-family:'JetBrains Mono',monospace;color:var(--gold);font-weight:700;font-size:18px;margin:16px 0!important}
.modal-buttons{display:flex;gap:12px;justify-content:center;margin-top:20px}

::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:3px}

@media(max-width:768px){
    .lobby-cards{flex-direction:column}
    .lobby-divider{padding:12px 0}
    .seat-grid{grid-template-columns:repeat(2,1fr)}
    .settings-grid{grid-template-columns:1fr}
    .chat-panel{width:100%}
}
@media(max-width:480px){
    .lobby-header{flex-direction:column;gap:12px}
    .room-header{flex-direction:column;gap:8px}
}