:root{--blue:#0b2447;--blue2:#173b68;--gold:#c9a456;--cream:#f4efe3;--bg:#f6f8fc;--text:#172033;--muted:#667085;--border:#e5eaf2;--white:#fff;--radius:20px;--shadow:0 18px 50px rgba(11,36,71,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Barlow,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:inherit}.tma-theme-container{max-width:1180px;margin:0 auto;padding:0 22px}.tma-site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(229,234,242,.88)}.admin-bar .tma-site-header{top:32px}.tma-header-inner{min-height:76px;display:flex;align-items:center;gap:22px}.tma-logo{display:flex;align-items:center;flex:0 0 auto}.tma-logo img{height:50px;width:auto;display:block}.tma-main-nav{margin-left:auto;min-width:0}.tma-nav-list{display:flex;gap:18px;list-style:none;margin:0;padding:0;align-items:center;white-space:nowrap}.tma-nav-list a{text-decoration:none;color:var(--blue);font-weight:850;font-size:14px}.tma-nav-list a:hover{color:var(--gold)}.tma-header-btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;background:var(--blue);color:#fff;border-radius:14px;padding:12px 17px;font-weight:900;flex:0 0 auto;box-shadow:0 10px 24px rgba(11,36,71,.14)}.tma-site-main{min-height:65vh}.tma-page-template{margin:0}.tma-content-wrap{padding:48px 22px}.tma-theme-article{background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);padding:34px}.tma-theme-article h1{color:var(--blue);margin-top:0}.tma-entry-content{line-height:1.8}.tma-site-footer{background:radial-gradient(circle at 85% 0,rgba(201,164,86,.18),transparent 28%),var(--blue);color:#fff;padding:48px 0;margin-top:0}.tma-footer-inner{display:grid;grid-template-columns:1.55fr 1fr 1fr;gap:34px;align-items:start}.tma-footer-logo{max-width:230px;max-height:72px}.tma-footer-inner p{line-height:1.55;color:rgba(255,255,255,.86)}.tma-footer-links,.tma-social{display:grid;gap:11px}.tma-footer-links a,.tma-social a{color:#fff;text-decoration:none}.tma-school-hero,.tma-lesson-hero{background:radial-gradient(circle at 82% 10%,rgba(201,164,86,.22),transparent 30%),linear-gradient(135deg,var(--blue),#123b70);color:#fff;padding:76px 0 52px}.tma-kicker{display:inline-flex;letter-spacing:.09em;text-transform:uppercase;font-size:12px;font-weight:900;color:var(--gold);margin-bottom:12px}.tma-school-hero h1,.tma-lesson-hero h1{font-size:clamp(38px,4.8vw,64px);line-height:1.04;margin:0 0 18px;letter-spacing:-.04em}.tma-school-meta{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.tma-school-meta span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:8px 12px;font-weight:850}.tma-school-intro{font-size:18px;line-height:1.75;max-width:860px}.tma-school-body,.tma-lesson-body{padding-top:38px;padding-bottom:54px}.tma-school-box,.tma-lesson-outcomes,.tma-lesson-content{background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);padding:30px;margin-bottom:18px}.tma-school-box h2,.tma-lesson-outcomes h2{color:var(--blue);margin-top:0}.tma-lesson-list{display:grid;gap:12px}.tma-lesson-row{display:flex;justify-content:space-between;gap:12px;text-decoration:none;background:var(--bg);border:1px solid var(--border);border-radius:16px;padding:17px}.tma-lesson-row strong{color:var(--blue)}.tma-lesson-row span{color:var(--muted)}.tma-lesson-body{display:grid;grid-template-columns:300px minmax(0,1fr);gap:22px}.tma-lesson-outcomes{align-self:start;position:sticky;top:106px}.tma-lesson-content{line-height:1.85;font-size:17px}.tma-lesson-content h2,.tma-lesson-content h3{color:var(--blue)}@media(max-width:1040px){.tma-header-inner{gap:16px}.tma-logo img{height:44px}.tma-nav-list{gap:12px}.tma-nav-list a{font-size:13px}.tma-header-btn{padding:10px 14px}}@media(max-width:900px){.admin-bar .tma-site-header{top:0}.tma-header-inner{height:auto;min-height:0;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}.tma-main-nav{order:3;width:100%;margin-left:0;overflow:auto}.tma-nav-list{gap:16px;padding-bottom:2px}.tma-footer-inner,.tma-lesson-body{grid-template-columns:1fr}.tma-lesson-outcomes{position:relative;top:auto}}@media(max-width:640px){.tma-theme-container{padding:0 16px}.tma-logo img{height:40px}.tma-header-btn{margin-left:auto}.tma-theme-article{padding:24px}.tma-school-hero,.tma-lesson-hero{padding:52px 0 36px}.tma-site-footer{padding:38px 0}}
.tma-theme-btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;background:var(--blue);color:#fff;border:0;border-radius:14px;padding:12px 16px;font-weight:900;cursor:pointer;box-shadow:0 12px 28px rgba(11,36,71,.13)}.tma-lesson-complete-box{border:1px solid var(--border);border-radius:16px;padding:14px;background:var(--bg);color:var(--muted);line-height:1.55;margin-top:14px}.tma-lesson-complete-box.is-complete{background:#e9f8ee;color:#176333;border-color:#bce7c8}.tma-complete-form{margin-top:14px}.tma-lesson-row.is-done{background:#edf8f1;border-color:#bce7c8}.tma-final-project-box{background:linear-gradient(180deg,#fff,#fbf8f0)}.tma-lesson-blocks{display:grid;gap:18px;margin-top:28px}.tma-lesson-block{border:1px solid var(--border);border-radius:22px;padding:24px;background:#fff;box-shadow:0 14px 38px rgba(11,36,71,.06)}.tma-lesson-block h2{margin:6px 0 12px}.tma-block-label{display:inline-flex;font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:950;color:#85672a;background:var(--cream);border-radius:999px;padding:7px 10px}.tma-block-content{line-height:1.85}.tma-block-extra,.tma-block-answer{margin-top:14px;border-radius:16px;padding:14px;background:var(--bg);border:1px solid var(--border);color:var(--muted)}.tma-block-answer{background:#fff8e8;color:#5c4b2c}.tma-block-editor-note{font-size:14px;color:var(--muted)}

/* v0.3.0 lesson sequence states */
.tma-lesson-row.is-locked {
    opacity: .65;
    cursor: not-allowed;
    background: #f7f8fb;
    border-style: dashed;
}
.tma-lesson-row.is-locked:hover {
    transform: none;
    box-shadow: none;
}
.tma-locked-lesson-box {
    background: #fff;
    border: 1px dashed rgba(13, 40, 76, .22);
    border-radius: 24px;
    padding: 34px;
    box-shadow: 0 18px 48px rgba(13, 40, 76, .08);
}
.tma-lesson-complete-note {
    font-size: 13px;
    color: #667085;
    margin: 10px 0 0;
}