/* ===== 台灣樂透歌友俱樂部 — Las Vegas Theme ===== */
:root{
  --gold:#f5c542; --gold-2:#ffe89a; --gold-deep:#b8860b;
  --red:#e1122b; --red-deep:#8c0a1c; --oxblood:#2a0710;
  --ink:#120308; --ink-2:#1d0610; --cream:#fff4d6;
  --green-felt:#0c5a3a; --neon:#ff2e63; --neon-cyan:#21e6c1;
  --shadow:0 18px 50px rgba(0,0,0,.55);
  --font-disp:"Noto Serif TC",serif; --font-body:"Noto Sans TC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-body); color:var(--cream); min-height:100vh;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(225,18,43,.35), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(245,197,66,.12), transparent 55%),
    linear-gradient(160deg, #1a0309 0%, var(--ink) 45%, #0a0205 100%);
  background-attachment:fixed;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;opacity:.05;z-index:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a{color:var(--gold);text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 18px;position:relative;z-index:1}

/* ---- marquee bulb frame ---- */
.bulbs{position:relative;border-radius:18px}
.bulbs::before{
  content:"";position:absolute;inset:-7px;border-radius:22px;padding:7px;
  background:
    repeating-linear-gradient(90deg,var(--gold) 0 9px,transparent 9px 22px) top/100% 7px no-repeat,
    repeating-linear-gradient(90deg,var(--gold) 0 9px,transparent 9px 22px) bottom/100% 7px no-repeat,
    repeating-linear-gradient(0deg,var(--gold) 0 9px,transparent 9px 22px) left/7px 100% no-repeat,
    repeating-linear-gradient(0deg,var(--gold) 0 9px,transparent 9px 22px) right/7px 100% no-repeat;
  filter:drop-shadow(0 0 5px var(--gold));animation:blink 1.2s steps(2,end) infinite;pointer-events:none
}
@keyframes blink{50%{filter:drop-shadow(0 0 2px var(--gold-deep));opacity:.65}}

/* ---- header ---- */
.site-header{position:sticky;top:0;z-index:30;backdrop-filter:blur(8px);
  background:linear-gradient(180deg,rgba(20,3,8,.96),rgba(20,3,8,.78));
  border-bottom:2px solid var(--gold-deep);box-shadow:0 6px 24px rgba(0,0,0,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-disp);font-weight:900}
.brand .logo{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle at 35% 30%,var(--gold-2),var(--gold) 45%,var(--gold-deep));
  color:#3a0a00;font-size:22px;font-weight:900;box-shadow:0 0 18px rgba(245,197,66,.6),inset 0 0 6px rgba(255,255,255,.6);
  border:3px solid #fff3c4}
.brand .title{font-size:19px;line-height:1.05;background:linear-gradient(180deg,var(--gold-2),var(--gold-deep));
  -webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:1px}
.brand .title small{display:block;font-family:var(--font-body);font-size:10px;letter-spacing:3px;color:var(--neon-cyan);-webkit-text-fill-color:var(--neon-cyan)}
.nav-links{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.nav-links a,.nav-links form button{font-size:14px;font-weight:700;color:var(--cream);padding:8px 14px;border-radius:999px;border:1px solid transparent;background:transparent;cursor:pointer}
.nav-links a:hover{border-color:var(--gold-deep);color:var(--gold-2);box-shadow:0 0 12px rgba(245,197,66,.25)}
.nav-links a.active{background:linear-gradient(180deg,var(--red),var(--red-deep));border-color:var(--gold);color:#fff}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;cursor:pointer;
  font-weight:800;font-size:15px;padding:13px 26px;border-radius:999px;border:2px solid var(--gold);
  color:#37060f;background:linear-gradient(180deg,var(--gold-2),var(--gold) 55%,var(--gold-deep));
  box-shadow:0 8px 20px rgba(245,197,66,.3),inset 0 1px 0 rgba(255,255,255,.7);transition:.18s;letter-spacing:.5px}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(245,197,66,.5)}
.btn:active{transform:translateY(0)}
.btn-red{color:#fff;border-color:var(--gold);background:linear-gradient(180deg,#ff3650,var(--red) 50%,var(--red-deep));
  box-shadow:0 8px 20px rgba(225,18,43,.4),inset 0 1px 0 rgba(255,255,255,.3)}
.btn-ghost{background:transparent;color:var(--gold-2);box-shadow:none;border-color:var(--gold-deep)}
.btn-block{width:100%}
.btn-sm{padding:8px 16px;font-size:13px}

/* ---- cards / panels ---- */
.panel{background:linear-gradient(165deg,rgba(42,7,16,.92),rgba(12,3,5,.92));
  border:1px solid rgba(245,197,66,.28);border-radius:18px;box-shadow:var(--shadow);padding:26px}
.headline{font-family:var(--font-disp);font-weight:900;line-height:1.04;
  background:linear-gradient(180deg,#fff,var(--gold-2) 40%,var(--gold-deep));-webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 2px 18px rgba(245,197,66,.25)}
.neon{color:var(--neon);text-shadow:0 0 8px var(--neon),0 0 22px rgba(255,46,99,.6)}
.chip{display:inline-block;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.5px}
.chip-gold{background:rgba(245,197,66,.15);color:var(--gold-2);border:1px solid var(--gold-deep)}
.chip-red{background:rgba(225,18,43,.18);color:#ffb3bd;border:1px solid var(--red)}

/* ---- forms ---- */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--gold-2);margin-bottom:7px;letter-spacing:.5px}
.input{width:100%;padding:13px 15px;border-radius:12px;font-size:15px;color:var(--cream);
  background:rgba(0,0,0,.45);border:1.5px solid rgba(245,197,66,.3);outline:none;transition:.15s;font-family:inherit}
.input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(245,197,66,.18)}
.input::placeholder{color:rgba(255,244,214,.35)}
.err{color:#ff8ea0;font-size:12.5px;margin-top:6px;font-weight:600}
.note{color:rgba(255,244,214,.6);font-size:13px}

/* ---- auth layout ---- */
.auth-wrap{min-height:calc(100vh - 76px);display:grid;place-items:center;padding:40px 18px}
.auth-card{width:100%;max-width:440px}

/* ---- landing hero ---- */
.hero{text-align:center;padding:64px 0 40px}
.hero h1{font-size:clamp(38px,8vw,86px);margin:8px 0}
.hero .sub{font-size:clamp(15px,2.4vw,20px);color:var(--gold-2);letter-spacing:2px;margin-bottom:26px}
.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.marquee{overflow:hidden;white-space:nowrap;border-block:2px solid var(--gold-deep);
  background:linear-gradient(180deg,rgba(225,18,43,.25),transparent);padding:10px 0;margin:30px 0}
.marquee span{display:inline-block;animation:scroll 26s linear infinite;font-weight:800;color:var(--gold-2);letter-spacing:3px}
@keyframes scroll{from{transform:translateX(100%)}to{transform:translateX(-100%)}}
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin:34px 0}
.feat{padding:22px;border-radius:16px;background:linear-gradient(165deg,rgba(42,7,16,.7),rgba(12,3,5,.7));border:1px solid rgba(245,197,66,.2)}
.feat .ic{font-size:30px;margin-bottom:8px}
.feat h3{margin:.2em 0;color:var(--gold-2);font-family:var(--font-disp)}

/* ---- song browser ---- */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.seg{display:inline-flex;background:rgba(0,0,0,.4);border:1px solid rgba(245,197,66,.3);border-radius:999px;padding:4px;flex-wrap:wrap}
.seg button{border:none;background:transparent;color:var(--cream);font-weight:700;font-size:13.5px;padding:8px 16px;border-radius:999px;cursor:pointer;transition:.15s}
.seg button.on{background:linear-gradient(180deg,var(--gold-2),var(--gold-deep));color:#37060f;box-shadow:0 2px 8px rgba(245,197,66,.4)}
.search-box{flex:1;min-width:220px;position:relative}
.song-table{width:100%;border-collapse:separate;border-spacing:0 8px}
.song-table th{text-align:left;font-size:12px;color:var(--gold-deep);letter-spacing:1px;padding:0 14px 6px;text-transform:uppercase}
.song-row{background:linear-gradient(165deg,rgba(42,7,16,.85),rgba(14,4,7,.85));cursor:pointer;transition:.15s}
.song-row td{padding:14px;border-block:1px solid rgba(245,197,66,.14)}
.song-row td:first-child{border-left:1px solid rgba(245,197,66,.14);border-radius:12px 0 0 12px}
.song-row td:last-child{border-right:1px solid rgba(245,197,66,.14);border-radius:0 12px 12px 0}
.song-row:hover{transform:translateX(3px)}
.song-row:hover td{border-color:var(--gold);background:rgba(245,197,66,.06)}
.song-name{font-weight:800;font-size:16px;color:#fff}
.song-no{font-family:var(--font-disp);font-weight:900;font-size:18px;color:var(--gold-2)}
.play-ic{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(180deg,var(--red),var(--red-deep));color:#fff;font-size:15px;box-shadow:0 0 14px rgba(225,18,43,.5)}
.empty{text-align:center;padding:60px 20px;color:rgba(255,244,214,.55)}

/* ---- player modal ---- */
.modal-back{position:fixed;inset:0;z-index:80;background:rgba(5,1,3,.85);backdrop-filter:blur(6px);display:grid;place-items:center;padding:18px}
.modal{width:100%;max-width:900px}
.player-frame{position:relative;width:100%;aspect-ratio:16/9;border-radius:14px;overflow:hidden;border:2px solid var(--gold);box-shadow:0 0 40px rgba(245,197,66,.4)}
.player-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}
.x-btn{background:transparent;border:1px solid var(--gold-deep);color:var(--gold-2);width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:18px}
.x-btn:hover{background:var(--red);color:#fff;border-color:var(--gold)}

/* ---- stats (dashboard) ---- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:20px 0}
.stat{padding:22px;border-radius:16px;text-align:center;background:linear-gradient(165deg,rgba(42,7,16,.85),rgba(12,3,5,.85));border:1px solid rgba(245,197,66,.25)}
.stat .v{font-family:var(--font-disp);font-size:34px;font-weight:900;color:var(--gold-2);line-height:1}
.stat .k{font-size:13px;color:rgba(255,244,214,.7);margin-top:8px;letter-spacing:1px}

/* ---- pagination ---- */
.pager{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-top:22px}
.pager a,.pager span{padding:8px 13px;border-radius:10px;font-weight:700;font-size:14px;border:1px solid rgba(245,197,66,.25);color:var(--cream)}
.pager a:hover{border-color:var(--gold);color:var(--gold-2)}
.pager .active span{background:linear-gradient(180deg,var(--gold-2),var(--gold-deep));color:#37060f;border-color:var(--gold)}
.flash{padding:12px 16px;border-radius:12px;margin-bottom:16px;font-weight:700}
.flash-ok{background:rgba(33,230,193,.12);border:1px solid var(--neon-cyan);color:var(--neon-cyan)}
.flash-err{background:rgba(225,18,43,.14);border:1px solid var(--red);color:#ffb3bd}
.footer{text-align:center;padding:34px 18px;color:rgba(255,244,214,.45);font-size:13px;margin-top:40px;border-top:1px solid rgba(245,197,66,.15)}

/* ---- favorites & rank ---- */
.fav-ic{font-size:20px;cursor:pointer;line-height:1;filter:drop-shadow(0 0 4px rgba(0,0,0,.5));transition:transform .15s}
.fav-ic:hover{transform:scale(1.25)}
.rank{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;font-family:var(--font-disp);font-weight:900;font-size:16px;
  background:rgba(0,0,0,.4);color:var(--cream);border:1px solid rgba(245,197,66,.3)}
.rank-1{background:radial-gradient(circle at 35% 30%,#fff6c4,var(--gold) 55%,var(--gold-deep));color:#37060f;border-color:#fff3c4;box-shadow:0 0 16px rgba(245,197,66,.7)}
.rank-2{background:linear-gradient(180deg,#eef2f7,#9aa7b4);color:#1a1a1a;border-color:#cfd8e3;box-shadow:0 0 12px rgba(200,210,225,.5)}
.rank-3{background:linear-gradient(180deg,#e8a26a,#a0531f);color:#fff;border-color:#f0b886;box-shadow:0 0 12px rgba(200,120,60,.5)}
.song-row.rank-top td{border-color:rgba(245,197,66,.4);background:rgba(245,197,66,.05)}

/* ---- google sign-in ---- */
.btn-google{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;
  padding:12px 18px;border-radius:999px;font-weight:800;font-size:15px;cursor:pointer;
  color:#1a1a1a;background:#fff;border:2px solid var(--gold);
  box-shadow:0 8px 20px rgba(0,0,0,.35);transition:.18s;text-decoration:none}
.btn-google:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(245,197,66,.4);color:#1a1a1a}
.btn-google img{display:block}
.or-divider{display:flex;align-items:center;gap:12px;margin:18px 0;color:rgba(255,244,214,.45);font-size:12.5px;font-weight:700}
.or-divider::before,.or-divider::after{content:"";flex:1;height:1px;background:rgba(245,197,66,.25)}

/* ---- textarea ---- */
textarea.input{resize:vertical;min-height:84px;line-height:1.5}

/* ---- video gallery ---- */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;margin-top:20px}
.video-card{background:linear-gradient(165deg,rgba(42,7,16,.9),rgba(12,3,5,.9));border:1px solid rgba(245,197,66,.25);
  border-radius:16px;overflow:hidden;cursor:pointer;transition:.18s;box-shadow:var(--shadow)}
.video-card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:0 16px 40px rgba(245,197,66,.25)}
.video-thumb{position:relative;aspect-ratio:16/9;background:#000;overflow:hidden}
.video-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:.25s}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.video-play{position:absolute;inset:0;margin:auto;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(180deg,var(--red),var(--red-deep));color:#fff;font-size:20px;
  box-shadow:0 0 22px rgba(225,18,43,.6);opacity:.92}
.video-meta{padding:13px 15px}
.video-title{font-weight:800;color:#fff;font-size:15px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

@media(max-width:640px){
  .hide-sm{display:none}
  .nav .brand .title{font-size:16px}
  .song-table thead{display:none}
}