:root{
  color-scheme:light;
  --canvas:#f1f3ef;
  --surface:#ffffff;
  --surface-soft:#f7f9f3;
  --ink:#103b38;
  --ink-2:#244d49;
  --muted:#667c79;
  --teal:#237d72;
  --teal-dark:#0f5b54;
  --mint:#bcefd5;
  --mint-soft:#e4f8ea;
  --lime:#dff39c;
  --cream:#f2f7dc;
  --line:#d9e3de;
  --danger:#a7434f;
  --shadow-sm:0 10px 30px rgba(20,76,69,.08);
  --shadow-lg:0 30px 80px rgba(20,76,69,.15);
  --radius-sm:12px;
  --radius:20px;
  --radius-lg:34px;
  --container:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--canvas);color:var(--ink);font-family:"Aptos","Segoe UI",Inter,Arial,sans-serif;font-size:16px;font-synthesis:none;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit}
button,a,input,select,textarea{outline-offset:3px}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.48}
a{color:var(--teal-dark);text-decoration:none}
p{line-height:1.65}
h1,h2,h3{color:var(--ink);letter-spacing:-.035em}
h1{font-size:clamp(38px,4.4vw,68px);line-height:1.02;margin:12px 0 18px;font-weight:750}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.15;margin:8px 0 12px}
h3{font-size:18px;line-height:1.3;margin:0 0 8px}
.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;background:var(--ink);color:#fff;padding:12px 18px;border-radius:10px;transition:top .2s}
.skip-link:focus{top:16px}
.site-header{position:relative;z-index:30;height:88px;padding:0 max(28px,calc((100vw - var(--container))/2));display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:26px;background:rgba(248,250,247,.94);border-bottom:1px solid rgba(35,94,86,.12);backdrop-filter:blur(16px)}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);width:max-content}
.brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:var(--ink);color:var(--lime);font-size:20px;font-weight:800;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.brand strong{font-size:17px;line-height:1;letter-spacing:-.03em}
.brand small{display:block;margin-top:3px;color:var(--muted);font-size:9px;letter-spacing:.18em;font-weight:700}
.site-header nav{height:100%;display:flex;align-items:stretch;gap:34px}
.site-header nav button{position:relative;border:0;background:transparent;color:#667d79;font-size:14px;font-weight:650;padding:2px 0 0;min-width:74px}
.site-header nav button:after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--teal);transition:left .2s,right .2s}
.site-header nav button:hover,.site-header nav button.active{color:var(--ink)}
.site-header nav button.active:after{left:0;right:0}
.account{justify-self:end;display:flex;align-items:center;gap:11px;font-size:13px;color:var(--ink-2)}
.avatar{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--mint-soft);color:var(--teal-dark);font-weight:750;text-transform:uppercase}
.avatar.large{width:54px;height:54px;font-size:20px}
.quiet{min-height:40px;border:0;background:transparent;color:var(--muted);padding:9px 11px;border-radius:9px;font-size:13px}
.quiet:hover{background:rgba(35,125,114,.08);color:var(--ink)}
.header-login{justify-self:end}
main{max-width:var(--container);margin:0 auto;padding:52px 28px 76px;min-height:calc(100dvh - 172px)}
.home-main{max-width:none;padding:0}
footer{max-width:var(--container);margin:0 auto;padding:27px 28px 32px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#7b8f8b;font-size:12px;letter-spacing:.05em}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 20px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--ink-2);font-size:14px;font-weight:700;transition:background .2s,border-color .2s,color .2s,box-shadow .2s,transform .2s}
.btn:hover{border-color:#a9c5bb;box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--teal-dark);border-color:var(--teal-dark);color:#fff;box-shadow:0 12px 25px rgba(15,91,84,.2)}
.btn.primary:hover{background:#0a4d47;border-color:#0a4d47}
.btn.secondary{background:rgba(255,255,255,.72);border-color:#cddbd5}
.btn.full{width:100%}
.eyebrow{display:block;color:var(--teal);font-size:11px;line-height:1.2;letter-spacing:.16em;font-weight:800}
.eyebrow.light{color:var(--lime)}
.muted,.note{color:var(--muted)}
.note{font-size:13px;line-height:1.6}
.kicker{display:flex;align-items:center;gap:10px;color:var(--teal-dark);font-size:11px;font-weight:800;letter-spacing:.18em}
.kicker i{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 6px rgba(35,125,114,.1)}

/* Home */
.premium-hero{min-height:690px;padding:72px max(28px,calc((100vw - var(--container))/2));display:grid;grid-template-columns:.94fr 1.06fr;align-items:center;gap:66px;background:linear-gradient(132deg,#edf5eb 0%,#f8faf5 47%,#e9f5ee 100%);border-bottom:1px solid #dbe7df;overflow:hidden}
.hero-copy{position:relative;z-index:2}
.hero-copy h1{font-size:clamp(56px,6.4vw,92px);max-width:770px;margin:25px 0 24px;letter-spacing:-.065em}
.hero-copy h1 em{color:var(--teal);font-style:normal;font-weight:500}
.hero-copy p{font-size:19px;color:var(--muted);margin:0 0 32px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-actions .btn{min-width:152px}
.hero-visual{position:relative;min-height:520px;border-radius:52px;background:var(--teal-dark);overflow:hidden;box-shadow:0 38px 90px rgba(15,91,84,.23)}
.orb{position:absolute;border-radius:50%;filter:blur(1px)}
.orb-one{width:370px;height:370px;left:-70px;top:-100px;background:radial-gradient(circle at 38% 35%,#edffde 0,#c6f1d7 43%,#77c7ac 100%)}
.orb-two{width:260px;height:260px;right:-90px;bottom:-70px;background:rgba(223,243,156,.35)}
.circuit-lines{position:absolute;inset:50px 22px 30px;width:calc(100% - 44px);height:calc(100% - 80px);stroke:rgba(236,255,230,.3);stroke-width:2}
.circuit-lines circle{fill:var(--lime);stroke:none}
.visual-card{position:absolute;padding:22px 23px;border:1px solid rgba(255,255,255,.45);border-radius:20px;background:rgba(250,255,249,.94);box-shadow:0 24px 50px rgba(5,63,57,.2);color:var(--ink)}
.visual-card span{display:block;margin-bottom:22px;color:var(--teal);font-size:11px;font-weight:800;letter-spacing:.15em}
.visual-card strong{display:block;font-size:23px;letter-spacing:-.04em}
.visual-card small{display:block;margin-top:6px;color:var(--muted);font-size:12px}
.notes-card{width:220px;left:45px;bottom:60px;transform:rotate(-3deg)}
.audio-card{width:245px;right:40px;top:75px;transform:rotate(3deg)}
.mini-progress{height:5px;margin-top:20px;border-radius:4px;background:#dce9df;overflow:hidden}.mini-progress i{display:block;width:68%;height:100%;background:var(--teal)}
.voltage{position:absolute;right:50px;bottom:49px;color:rgba(223,243,156,.85);font-size:42px;font-weight:800;letter-spacing:-.06em}
.resource-section{max-width:var(--container);margin:0 auto;padding:96px 28px}
.section-intro{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:48px}
.section-intro h2{margin-top:12px}.section-intro p{max-width:360px;margin:0;color:var(--muted)}
.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.resource-column{min-width:0}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:18px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.section-head>div{display:flex;align-items:center;gap:13px}.section-head h2{font-size:22px;margin:0}.section-head button{min-height:44px;border:0;background:transparent;color:var(--teal-dark);font-size:13px;font-weight:750;padding:8px 4px}
.section-index{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--mint-soft);color:var(--teal-dark);font-size:10px;font-weight:800}
.preview-card,.empty{min-height:250px;padding:36px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,#fff,#f4f8f1);display:flex;flex-direction:column;justify-content:flex-end}
.preview-card>span{width:max-content;margin-bottom:auto;padding:8px 10px;border-radius:9px;background:var(--mint-soft);color:var(--teal-dark);font-size:10px;font-weight:800;letter-spacing:.13em}
.preview-card h3{font-size:24px;max-width:340px}.preview-card p,.empty p{color:var(--muted);margin:0}
.empty{align-items:center;justify-content:center;text-align:center}.empty.small{min-height:120px;padding:20px}.empty-mark{margin-bottom:18px;color:#a1b3ad;font-size:40px;font-weight:750}
.guest-cta{margin-top:56px;padding:34px 38px;border-radius:var(--radius);background:var(--ink);color:#d9e8e4;display:flex;justify-content:space-between;align-items:center;gap:28px;box-shadow:var(--shadow-sm)}
.guest-cta h3{font-size:25px;color:#fff;margin-top:9px}.guest-cta p{margin:0;color:#aec4bf}.guest-cta .btn{flex-shrink:0;background:var(--lime);border-color:var(--lime);color:var(--ink);box-shadow:none}

/* Library */
.page-title{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}.page-title h1{font-size:clamp(42px,5vw,66px)}
.search-wrap{display:block;max-width:390px;margin-bottom:28px}.search-wrap>span{display:block;margin:0 0 8px;color:var(--muted);font-size:12px;font-weight:700}
.search-wrap.compact{max-width:none}
.library-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px}
.item{position:relative;width:100%;min-height:112px;padding:17px 18px;display:flex;align-items:center;gap:16px;border:1px solid var(--line);border-radius:17px;background:var(--surface);color:inherit;text-align:left;box-shadow:0 3px 0 rgba(20,76,69,.02);transition:border .2s,box-shadow .2s,transform .2s}
.item:hover{border-color:#aac6bc;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.item .copy{min-width:0;flex:1}.item h3{margin:3px 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item small{display:block;color:var(--muted);font-size:12px}
.item-type{color:var(--teal);font-size:9px;font-weight:800;letter-spacing:.12em}
.thumb{width:62px;height:78px;flex:0 0 62px;border-radius:10px;border:1px solid #cfe0d8;background:#edf5ed;object-fit:cover;box-shadow:0 8px 18px rgba(20,76,69,.1)}
.placeholder-cover{display:grid;place-items:center;background:linear-gradient(145deg,var(--mint-soft),#eff5d9);color:var(--teal-dark)}
.placeholder-cover span{font-size:10px;font-weight:850;letter-spacing:.08em}
.pill{display:inline-flex;align-items:center;min-height:28px;padding:6px 9px;border-radius:999px;background:#eef2ef;color:#667873;font-size:10px;font-weight:750;white-space:nowrap}
.pill.good{background:var(--mint-soft);color:var(--teal-dark)}.pill.pending{background:#fff5cf;color:#775f0f}.pill.blocked{background:#fae8ea;color:#963b47}
.progress{height:4px;margin-top:12px;border-radius:4px;background:#e8efeb;overflow:hidden}.progress div{height:100%;background:var(--teal)}

/* Forms and auth */
input,select,textarea{width:100%;min-height:48px;padding:12px 14px;border:1px solid #ccdad4;border-radius:12px;background:#fff;color:var(--ink);font-size:15px;transition:border .2s,box-shadow .2s,background .2s}
input::placeholder,textarea::placeholder{color:#96a7a2}
input:focus,select:focus,textarea:focus{border-color:#70ae9e;box-shadow:0 0 0 4px rgba(65,151,130,.14);outline:0}
textarea{min-height:104px;resize:vertical;line-height:1.5}
input[type=checkbox]{width:46px;height:26px;min-height:auto;accent-color:var(--teal);flex-shrink:0}
input[type=range]{min-height:auto;padding:0;accent-color:var(--teal)}
input[type=file]{padding:10px;background:var(--surface-soft)}
select[multiple]{min-height:140px}
.field{margin-bottom:18px}.field label{display:block;margin-bottom:8px;color:var(--ink-2);font-size:13px;font-weight:750}.field label span,.optional{color:var(--muted);font-size:11px;font-weight:500}
.error{min-height:20px;margin:10px 0;color:#ffcdc8;font-size:13px;line-height:1.45}
.auth-page{position:relative;max-width:none;min-height:100dvh;padding:42px;display:grid;place-items:center;background:#e9ece9}
.back-home{position:absolute;left:42px;top:30px;z-index:3;min-height:44px;display:flex;align-items:center;color:var(--ink-2);font-size:13px;font-weight:700}
.auth-card{width:min(1120px,100%);min-height:680px;display:grid;grid-template-columns:.92fr 1.08fr;border-radius:36px;overflow:hidden;background:var(--teal);box-shadow:var(--shadow-lg)}
.auth-art{position:relative;min-height:680px;padding:42px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,#d5f5df 0%,#edf7d9 49%,#b9ead2 100%);overflow:hidden}
.auth-art .brand{position:relative;z-index:4}.auth-art>p{position:relative;z-index:4;max-width:280px;margin:0;color:var(--ink-2);font-weight:650}
.auth-illustration{position:absolute;inset:110px -40px -40px 0}
.auth-illustration svg{width:100%;height:100%}.wave-one{fill:#b4ead3}.wave-two{fill:#72c1a8}.wire{stroke:rgba(15,91,84,.65);stroke-width:4}.node{fill:var(--lime);stroke:var(--teal-dark);stroke-width:3}
.auth-glow{position:absolute;width:250px;height:250px;border-radius:50%;left:20px;top:20px;background:rgba(255,255,255,.5);filter:blur(30px)}
.auth-chip{position:absolute;right:70px;bottom:125px;width:170px;height:120px;padding:22px;border-radius:24px;background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.75);box-shadow:0 20px 40px rgba(15,91,84,.16);transform:rotate(-3deg)}
.auth-chip span{display:block;color:var(--teal);font-size:11px;font-weight:800;letter-spacing:.14em}.auth-chip strong{display:block;margin-top:9px;font-size:23px}.auth-chip i{display:block;width:72%;height:5px;margin-top:18px;border-radius:5px;background:var(--lime)}
.auth-form-panel{padding:62px clamp(42px,6vw,82px);display:flex;flex-direction:column;justify-content:center;background:var(--teal);color:#e7f3ef}
.auth-form-panel h1{color:#fff;font-size:clamp(40px,4.2vw,58px);margin:14px 0 12px}.auth-lead{max-width:440px;margin:0 0 28px;color:#c5ded8;font-size:15px}.auth-lead strong{color:#fff}
.auth-tabs{width:max-content;margin-bottom:34px;padding:5px;display:flex;gap:4px;border-radius:13px;background:rgba(4,59,54,.26)}
.auth-tabs button{min-height:39px;padding:8px 17px;border:0;border-radius:9px;background:transparent;color:#cbe0dc;font-size:13px;font-weight:750}.auth-tabs button.active{background:rgba(255,255,255,.94);color:var(--teal-dark)}
.auth-form-panel .field label{color:#e2f0ec}.auth-form-panel input{height:52px;border-color:rgba(231,247,240,.42);background:rgba(10,88,80,.34);color:#fff}.auth-form-panel input::placeholder{color:#a9cac3}.auth-form-panel input:focus{border-color:var(--lime);box-shadow:0 0 0 4px rgba(223,243,156,.16)}
.auth-submit{width:100%;min-height:52px;margin-top:2px;border:0;background:linear-gradient(90deg,var(--mint),var(--lime));color:var(--ink);box-shadow:0 14px 28px rgba(0,48,43,.2)}.auth-submit:hover{border:0;box-shadow:0 17px 32px rgba(0,48,43,.25)}
.auth-switch,.auth-hint{margin:22px 0 0;color:#bad5cf;font-size:13px;text-align:center}.auth-switch button,.verify-actions button{min-height:40px;border:0;background:transparent;color:#fff;font-weight:750;text-decoration:underline;text-underline-offset:3px}.auth-hint{line-height:1.6}
.verify-icon{width:66px;height:66px;margin-bottom:25px;display:grid;place-items:center;border-radius:20px;background:var(--mint);color:var(--teal-dark);font-size:30px;font-weight:850;box-shadow:0 14px 28px rgba(0,48,43,.15)}
.code-inputs{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin:6px 0 16px}.code-inputs input{height:72px;padding:0;text-align:center;font-size:30px;font-weight:800;font-variant-numeric:tabular-nums}
.verify-actions{display:flex;justify-content:space-between;gap:12px;margin-top:17px}.verify-actions button{font-size:12px}.verify-actions button:disabled{color:#9bbdb5;text-decoration:none}

/* Admin */
.admin-hero{padding:34px 38px;border-radius:var(--radius-lg);background:linear-gradient(120deg,var(--ink),var(--teal-dark));color:#d7e9e4;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow-sm)}
.admin-hero h1{margin:12px 0 8px;color:#fff;font-size:clamp(38px,4vw,58px)}.admin-hero p{margin:0;color:#b7d1ca}.admin-hero .eyebrow{color:var(--lime)}
.admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:-24px 38px 30px;position:relative;z-index:2}.admin-stats>div{padding:20px 22px;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:var(--shadow-sm)}.admin-stats span{display:block;font-size:28px;font-weight:780;letter-spacing:-.04em}.admin-stats small{color:var(--muted)}
.admin-steps{margin:0 0 28px;padding:20px 24px;border:1px solid #cfe3d8;border-radius:17px;background:#eef8ed;display:grid;grid-template-columns:1.2fr repeat(3,1fr);align-items:center;gap:18px;font-size:13px}.admin-steps strong{font-size:14px}.admin-steps span{display:flex;align-items:center;gap:8px;color:var(--ink-2);line-height:1.4}.admin-steps b{display:grid;place-items:center;width:25px;height:25px;flex-shrink:0;border-radius:50%;background:var(--teal-dark);color:#fff;font-size:11px}
.tabs{display:flex;gap:9px;margin-bottom:24px;flex-wrap:wrap}.tabs .active{background:var(--teal-dark);border-color:var(--teal-dark);color:#fff}
.panel{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:0 8px 25px rgba(20,76,69,.045)}
.admin-layout{display:grid;grid-template-columns:390px 1fr;gap:24px}.user-panel{padding:24px 0;overflow:hidden}.user-panel .section-head,.user-panel .search-wrap{margin-left:24px;margin-right:24px}.user-panel .section-head>div{display:block}.user-panel .section-head h2{margin:7px 0 0;font-size:24px}
.person{width:100%;min-height:66px;padding:13px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;border:0;border-top:1px solid #edf1ee;background:#fff;color:var(--ink);text-align:left;transition:background .15s,color .15s}.person:hover{background:#f4f8f4}.person.selected{background:var(--mint-soft);box-shadow:inset 4px 0 var(--teal)}.person>span:first-child{min-width:0}.person strong,.person small{display:block}.person strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.person small{margin-top:4px;color:var(--muted);font-size:11px}
.user-detail-head{display:flex;align-items:center;gap:15px;padding-bottom:22px;margin-bottom:8px;border-bottom:1px solid var(--line)}.user-detail-head h2{font-size:28px;margin:5px 0 3px}.user-detail-head a{font-size:13px}
.status-message{margin:20px 0;padding:15px;border-radius:12px;background:#fff6d8;color:#6f5a14;font-size:13px;line-height:1.5}
.permission{min-height:78px;padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.permission label{display:block;margin:0 0 5px;font-size:15px;font-weight:750}.permission small{color:var(--muted)}.permission.danger-row label{color:var(--danger)}
.save-access{margin-top:22px}.admin-note{margin:18px 4px;color:var(--muted);font-size:12px}
.upload-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);gap:28px}.upload>h2{margin-bottom:26px}.file-field{padding:15px;border:1px dashed #bad1c6;border-radius:14px;background:var(--surface-soft)}
.published .section-head>div{display:block}.published .section-head h2{margin-top:7px}.published-item{display:grid;grid-template-columns:62px 1fr auto auto;align-items:center;gap:13px;padding:14px 0;border-bottom:1px solid var(--line)}.published-item h3{margin:0}.published-item small{color:var(--muted)}.danger-text{color:var(--danger)}
.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
dialog{width:min(520px,calc(100% - 32px));padding:32px;border:1px solid var(--line);border-radius:22px;color:var(--ink);box-shadow:var(--shadow-lg)}dialog::backdrop{background:rgba(7,43,39,.58);backdrop-filter:blur(3px)}dialog h2{margin-bottom:22px}

/* Content viewers */
.back-button{margin-bottom:22px}.locked{max-width:760px;margin:10px auto;text-align:center;padding:50px}.locked .thumb{width:92px;height:118px;margin:0 auto 28px}.locked h1{font-size:42px}.lock-notice{margin-top:34px;padding:27px;border-radius:17px;background:#f4f7ef;border:1px solid #dce6d8}.lock-notice>span{color:var(--danger);font-size:11px;font-weight:800;letter-spacing:.12em}.lock-notice h2{max-width:580px;margin:15px auto;font-size:20px;line-height:1.55}.lock-notice p{margin:0;color:var(--muted)}
.audio-detail{max-width:920px;margin:8px auto;display:grid;grid-template-columns:210px 1fr;gap:42px;padding:38px}.audio-detail>.thumb{width:210px;height:280px}.audio-detail h1{font-size:42px}.time{display:flex;justify-content:space-between;margin:8px 0;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}.player-controls{display:flex;align-items:center;justify-content:center;gap:14px;margin:26px 0}.play{min-width:120px;height:54px;border:0;border-radius:16px;background:var(--teal-dark);color:#fff;font-weight:750;box-shadow:0 12px 25px rgba(15,91,84,.2)}.player-settings{display:grid;grid-template-columns:1fr 1fr;gap:20px}.player-settings label{font-size:12px;font-weight:700}.player-settings select,.player-settings input{margin-top:7px}.chapters{grid-column:1/-1;padding-top:20px;border-top:1px solid var(--line)}
.reader{max-width:920px;margin:0 auto}.reader .toolbar{justify-content:center;margin-bottom:20px}.reader canvas{display:block;width:100%;height:auto;background:#fff;box-shadow:0 18px 45px rgba(20,76,69,.12)}
.center-message{min-height:70dvh;display:grid;place-content:center;text-align:center}.center-message .btn{margin:10px auto}
#toast{position:fixed;left:50%;bottom:24px;z-index:1000;max-width:min(560px,calc(100% - 32px));padding:14px 20px;transform:translateX(-50%);display:none;border-radius:12px;background:var(--ink);color:#fff;box-shadow:var(--shadow-lg);font-size:13px;text-align:center}

@media(max-width:980px){
  .premium-hero{grid-template-columns:1fr;gap:42px;padding-top:62px}.hero-copy{max-width:720px}.hero-visual{min-height:480px}
  .admin-layout,.upload-layout{grid-template-columns:1fr}.admin-steps{grid-template-columns:1fr 1fr}.admin-steps strong{grid-column:1/-1}.user-panel{max-height:520px}
  .auth-card{grid-template-columns:.78fr 1.22fr}.auth-art{padding:30px}.auth-form-panel{padding:50px 42px}
}
@media(max-width:760px){
  html{scroll-padding-top:138px}.site-header{height:auto;min-height:128px;padding:16px 20px 0;display:flex;flex-wrap:wrap;gap:12px}.site-header .brand{order:1}.site-header .account,.site-header .header-login{order:2;margin-left:auto}.site-header nav{order:3;width:100%;height:52px;justify-content:space-around;gap:12px}.site-header nav button{min-width:auto}.account-name{display:none}
  main{padding:36px 20px 58px}footer{margin:0 20px;padding-left:0;padding-right:0}
  .premium-hero{min-height:auto;padding:54px 20px;gap:38px}.hero-copy h1{font-size:clamp(50px,15vw,72px)}.hero-copy p{font-size:17px}.hero-visual{min-height:420px;border-radius:34px}.notes-card{left:24px;bottom:40px;width:190px}.audio-card{right:22px;top:53px;width:210px}.voltage{right:27px;bottom:30px;font-size:34px}
  .resource-section{padding:68px 20px}.section-intro{display:block}.section-intro p{margin-top:18px}.resource-grid,.library-grid{grid-template-columns:1fr}.guest-cta{padding:28px;align-items:flex-start;flex-direction:column}
  .auth-page{padding:22px 16px}.back-home{left:22px;top:10px}.auth-card{min-height:0;margin-top:32px;grid-template-columns:1fr;border-radius:27px}.auth-art{min-height:215px;padding:28px}.auth-illustration{inset:45px -40px -110px 0}.auth-art>p{display:none}.auth-chip{right:35px;bottom:34px;width:145px;height:96px;padding:17px}.auth-chip i{margin-top:12px}.auth-form-panel{padding:42px 24px 36px}.auth-tabs{margin-bottom:28px}.auth-form-panel h1{font-size:42px}.code-inputs{gap:8px}.code-inputs input{height:62px;font-size:27px}
  .admin-hero{padding:28px;align-items:flex-start;flex-direction:column}.admin-stats{margin:-12px 10px 25px;gap:8px}.admin-stats>div{padding:15px 13px}.admin-stats span{font-size:24px}.admin-stats small{font-size:10px}.admin-steps{grid-template-columns:1fr}.admin-steps strong{grid-column:auto}.admin-layout{gap:18px}.panel{padding:22px}.permission-panel{padding:22px}.published-item{grid-template-columns:52px 1fr auto}.published-item .thumb{width:52px;height:66px;flex-basis:52px}.published-item .danger-text{grid-column:3}.published-item .quiet{padding:6px}
  .page-title{align-items:flex-start;flex-direction:column}.locked{padding:28px 20px}.locked h1{font-size:34px}.audio-detail{grid-template-columns:1fr;padding:24px;gap:26px}.audio-detail>.thumb{width:124px;height:165px}.audio-detail h1{font-size:36px}.player-settings{grid-template-columns:1fr}.player-controls{gap:8px}.player-controls .btn{padding:10px 12px}.play{min-width:102px}
}
@media(max-width:430px){
  .brand-mark{width:35px;height:35px}.brand strong{font-size:15px}.site-header{padding-left:15px;padding-right:15px}.header-login{padding:10px 13px}.avatar{display:none}
  .hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}.hero-visual{min-height:385px}.visual-card{padding:18px}.visual-card strong{font-size:20px}.notes-card{width:174px;left:16px}.audio-card{width:195px;right:15px}
  .item{padding:14px}.item .pill{position:absolute;right:12px;top:10px}.item h3{padding-right:55px}.thumb{width:54px;height:68px;flex-basis:54px}
  .auth-form-panel{padding-left:20px;padding-right:20px}.verify-actions{align-items:center;flex-direction:column}.code-inputs input{height:58px}
  .admin-stats{grid-template-columns:1fr}.admin-stats>div{display:flex;align-items:baseline;gap:8px}.admin-stats span{font-size:21px}.published-item{grid-template-columns:52px 1fr}.published-item .quiet{grid-column:auto}.player-controls{flex-wrap:wrap}.play{order:-1;width:100%}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{body>*{display:none!important}body>#print-area{display:block!important}#print-area img{width:100%;page-break-after:always}}