:root{
--bg:#09090b;--s1:#111113;--s2:#18181b;--s3:#222225;--s4:#2c2c30;
--brd:#27272a;--brd2:#3f3f46;
--t:#e4e4e7;--t2:#a1a1aa;--t3:#8b8fa3;--t4:#71717a;
--blue:#3b82f6;--blue-d:rgba(59,130,246,.1);
--purple:#8b5cf6;--purple-d:rgba(139,92,246,.1);
--green:#22c55e;--green-d:rgba(34,197,94,.1);
--orange:#f59e0b;--orange-d:rgba(245,158,11,.1);
--red:#ef4444;--red-d:rgba(239,68,68,.1);
--cyan:#06b6d4;--cyan-d:rgba(6,182,212,.1);
--pink:#ec4899;--pink-d:rgba(236,72,153,.1);
--r:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
[data-color]{--course-color:var(--blue)}
[data-course="basics"]{--course-color:var(--blue)}
[data-course="composition"]{--course-color:var(--purple)}
[data-course="light"]{--course-color:var(--orange)}
[data-course="lightroom"]{--course-color:var(--cyan)}
[data-course="photoshop"]{--course-color:var(--green)}
[data-course="color"]{--course-color:var(--purple)}
[data-course="business"]{--course-color:var(--orange)}
[data-course="wedding"]{--course-color:var(--pink)}
[data-course="runway"]{--course-color:var(--pink)}
[data-course="reportage"]{--course-color:var(--cyan)}
[data-course="school"]{--course-color:var(--green)}
body{font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--t);line-height:1.75;font-size:15px}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:900px;margin:0 auto;padding:0 24px}

/* HERO */
.hero{padding:60px 32px;text-align:center;border-bottom:1px solid var(--brd);position:relative;overflow:hidden}
.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--blue),var(--purple),transparent)}
.hero-label{display:inline-block;padding:4px 16px;border-radius:20px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:14px}
.hero h1{font-size:2.2rem;font-weight:800;letter-spacing:-.5px;margin-bottom:8px}
.hero h1 span{color:var(--blue)}
.hero .sub{color:var(--t2);font-size:1rem;max-width:600px;margin:0 auto}
.hero .stats{display:flex;gap:32px;justify-content:center;margin-top:20px;flex-wrap:wrap}
.hero .stat{text-align:center}
.hero .stat .num{font-size:1.6rem;font-weight:800;color:var(--blue)}
.hero .stat .lbl{font-size:.72rem;color:var(--t3);text-transform:uppercase;letter-spacing:1px}

/* NAV BAR */
.topbar{background:rgba(9,9,11,.97);border-bottom:1px solid var(--brd);padding:10px 20px;position:sticky;top:0;z-index:9999}
.topbar-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.topbar .logo{font-weight:800;font-size:.95rem;white-space:nowrap}
.topbar .logo span{color:var(--blue)}
.topbar nav{display:flex;gap:4px;flex-wrap:wrap;align-items:center}
.topbar nav a{color:var(--t3);padding:5px 12px;border-radius:6px;font-size:.8rem;transition:all .15s;white-space:nowrap}
.topbar nav a:hover,.topbar nav a.active{color:var(--t);background:var(--s2);text-decoration:none}
.topbar nav a.nav-main{color:var(--t2);font-weight:600;font-size:.82rem}
.topbar nav a.nav-main:hover{color:var(--t);background:var(--s2)}
.topbar .logo{text-decoration:none;color:var(--t)}
.topbar .logo:hover{text-decoration:none}
.topbar .back{color:var(--t3);font-size:.85rem}

/* NAV DROPDOWNS */
.nav-dropdown{position:relative;display:inline-block}
.nav-dropdown>.nav-main{cursor:pointer}
.nav-dd-menu{display:none;position:absolute;top:100%;left:0;background:#0d1117;border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:12px 0;min-width:220px;z-index:10000;box-shadow:0 8px 32px rgba(0,0,0,.5)}
.nav-dropdown:hover .nav-dd-menu{display:block}
.nav-dd-menu a{display:block;padding:6px 20px;color:var(--t2);font-size:.82rem;text-decoration:none;white-space:nowrap}
.nav-dd-menu a:hover{background:rgba(255,255,255,.05);color:#fff}
.nav-dd-group{padding:4px 0}
.nav-dd-group+.nav-dd-group{border-top:1px solid rgba(255,255,255,.06);margin-top:4px;padding-top:8px}
.nav-dd-label{padding:4px 20px;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--t4);font-weight:600}
.nav-dd-menu .nav-sub{position:relative}
.nav-dd-menu .nav-sub>a::after{content:'›';margin-left:auto;opacity:.4;font-size:1rem}
.nav-dd-menu .nav-sub>a{display:flex;align-items:center}
.nav-sub-menu{display:none;position:absolute;left:100%;top:-8px;background:#0d1117;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:8px 0;min-width:200px;box-shadow:0 6px 24px rgba(0,0,0,.5)}
.nav-sub:hover .nav-sub-menu{display:block}
.nav-sub-menu a{display:block;padding:5px 16px;color:var(--t2);font-size:.78rem;text-decoration:none;white-space:nowrap}
.nav-sub-menu a:hover{background:rgba(255,255,255,.05);color:#fff}
.nav-dd-menu .nav-badge{display:inline-block;padding:1px 6px;border-radius:4px;font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-left:8px;vertical-align:middle}
.nav-dd-menu .nav-badge.new{background:rgba(52,211,153,.15);color:var(--green)}
.nav-dd-menu .nav-badge.free{background:rgba(74,125,255,.15);color:var(--blue)}
.nav-dd-menu .nav-hot{color:var(--t2)}

/* BREADCRUMB */
.breadcrumb{padding:16px 0 0;font-size:.82rem;color:var(--t3)}
.breadcrumb a{color:var(--t3)}
.breadcrumb span{color:var(--t4);margin:0 4px}

/* SECTION */
section{padding:48px 0;border-bottom:1px solid var(--brd)}
section:last-child{border-bottom:none}
h2{font-size:1.5rem;font-weight:700;margin-bottom:20px;letter-spacing:-.3px}
h3{font-size:1.15rem;margin:28px 0 12px;color:var(--blue);font-weight:600}
h4{font-size:1rem;margin:20px 0 8px;font-weight:600}
p{margin-bottom:10px}

/* COURSE CARDS */
.dir-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin:20px 0}
.dir-card{background:var(--s1);border:1px solid var(--brd);border-radius:var(--r);padding:24px;transition:all .2s;display:block;text-decoration:none!important;color:var(--t)}
.dir-card:hover{border-color:var(--brd2);transform:translateY(-2px)}
.dir-card .dc-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:800;margin-bottom:12px}
.dir-card h3{color:var(--t);margin:0 0 6px;font-size:1.05rem}
.dir-card p{color:var(--t2);font-size:.85rem;margin:0 0 10px}
.dir-card .meta{display:flex;gap:16px;font-size:.75rem;color:var(--t3)}
.dir-card .meta strong{color:var(--t2)}

/* Direction card progress */
.dc-progress{margin:10px 0 6px}
.dc-progress-row{display:flex;align-items:center;gap:10px}
.dc-progress-bar{flex:1;height:6px;background:var(--s3);border-radius:3px;overflow:hidden}
.dc-progress-bar .fill{height:100%;background:var(--course-color,var(--blue));border-radius:3px;transition:width .5s}
.dc-progress-text{font-size:.75rem;color:var(--t3);white-space:nowrap;font-weight:600}
.dc-progress-text.done{color:var(--green)}
.dc-progress-empty{font-size:.72rem;color:var(--t4);font-style:italic}

/* DAY CARDS */
.day-list{display:flex;flex-direction:column;gap:8px;margin:16px 0}
.day-card{background:var(--s1);border:1px solid var(--brd);border-radius:var(--r);display:block;text-decoration:none!important;color:var(--t);transition:all .15s;overflow:hidden}
.day-card:hover{border-color:var(--brd2)}
.day-card-inner{padding:14px 20px;display:flex;align-items:center;gap:14px}
.day-num{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;flex-shrink:0}
.day-info{flex:1}
.day-info .title{font-weight:600;font-size:.92rem}
.day-info .desc{color:var(--t3);font-size:.8rem;margin-top:2px}
.day-dur{color:var(--t4);font-size:.78rem;white-space:nowrap}

/* LESSON ACCORDION */
.lesson{background:var(--s1);border:1px solid var(--brd);border-radius:var(--r);margin-bottom:16px;overflow:hidden}
.lesson-header{padding:14px 20px;cursor:pointer;display:flex;align-items:center;gap:12px;transition:background .15s;user-select:none}
.lesson-header:hover{background:var(--s2)}
.lesson-num{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;flex-shrink:0}
.lesson-title{font-weight:600;font-size:.92rem;flex:1}
.lesson-dur{color:var(--t4);font-size:.78rem}
.lesson-arrow{color:var(--t4);font-size:.7rem;transition:transform .2s}
.lesson.open .lesson-arrow{transform:rotate(90deg)}
.lesson-body{padding:0 24px 28px;display:none;font-size:.88rem;line-height:1.75;color:#9ca3af}
.lesson-body p{margin:0 0 18px;color:#9ca3af}
.lesson-body h4{color:var(--t);font-size:.92rem;margin:28px 0 10px;font-weight:700}
.lesson-body ul,.lesson-body ol{margin:0 0 14px;padding-left:20px;color:var(--t2)}
.lesson-body li{margin-bottom:6px;line-height:1.6}
.lesson-body strong{color:#d1d5db}
.lesson-body table{width:100%;border-collapse:collapse;font-size:.82rem;margin:10px 0 16px}
.lesson-body th{text-align:left;padding:10px 14px;color:var(--t3);font-weight:600;border-bottom:1px solid var(--brd);font-size:.75rem;text-transform:uppercase;letter-spacing:.03em}
.lesson-body td{padding:10px 14px;border-bottom:1px solid rgba(255,255,255,.04);color:var(--t2)}
.lesson-body tr:hover td{background:rgba(255,255,255,.02)}
.lesson-body tr:nth-child(even) td{background:rgba(255,255,255,.015)}
.lesson-body svg{margin:20px auto 24px;display:block}
.info-block svg{margin:16px auto 20px;display:block}
.lesson.open .lesson-body{display:block}

/* TABS */
.tabs{display:flex;gap:0;margin-bottom:24px;border-bottom:2px solid var(--brd)}
.tab-btn{background:none;border:none;color:var(--t3);padding:10px 24px;font-size:.88rem;font-family:inherit;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s;font-weight:600}
.tab-btn:hover{color:var(--t2)}
.tab-btn.active{color:var(--course-color,var(--blue));border-bottom-color:var(--course-color,var(--blue))}
.tab-content{display:none}
.tab-content.active{display:block}

/* INFO BLOCKS */
.info-block{background:var(--s2);border:1px solid var(--brd);border-radius:var(--r);padding:24px;margin:24px 0}
.info-block h4{font-size:.92rem;font-weight:700;margin:0 0 12px;display:flex;align-items:center;gap:8px}

/* DIAGRAM */
.diagram{display:flex;flex-direction:column;gap:0;align-items:center;margin:16px 0}
.dia-node{background:var(--s3);border:1px solid var(--brd);border-radius:var(--r);padding:12px 24px;text-align:center;min-width:200px;max-width:400px}
.dia-node strong{display:block;font-size:.88rem}
.dia-node span{font-size:.78rem;color:var(--t3)}
.dia-arrow{color:var(--t4);font-size:1rem;padding:4px 0}

/* SLIDER DEMO */
.slider-demo{display:flex;align-items:center;gap:12px;padding:6px 0}
.slider-demo .label{width:130px;font-size:.85rem;font-weight:600;flex-shrink:0}
.slider-demo .track{flex:1;height:8px;background:var(--s4);border-radius:4px;position:relative;min-width:80px}
.slider-demo .track .fill{height:100%;border-radius:4px;position:absolute}
.slider-demo .track .center-mark{position:absolute;left:50%;top:-2px;width:2px;height:12px;background:var(--brd2)}
.slider-demo .val{width:50px;text-align:right;font-family:'Cascadia Code',monospace;font-size:.85rem;color:var(--blue);flex-shrink:0}

/* HISTOGRAM */
.histogram{display:flex;align-items:flex-end;gap:2px;height:80px;margin:12px 0;padding:8px;background:var(--s3);border-radius:8px}
.hist-bar{flex:1;background:var(--t3);border-radius:2px 2px 0 0;min-width:3px}

/* TASKS */
.task{background:var(--s1);border:1px solid var(--brd);border-left:3px solid var(--green);border-radius:0 var(--r) var(--r) 0;padding:16px 20px;margin:14px 0}
.task .task-label{font-size:.7rem;text-transform:uppercase;letter-spacing:1px;font-weight:700;color:var(--green);margin-bottom:6px}
.task h4{font-size:.92rem;font-weight:700;margin-bottom:6px}
.task p{color:var(--t2);font-size:.88rem}
.task .criteria{margin-top:10px;padding-top:10px;border-top:1px solid var(--brd)}
.task .criteria-title{font-size:.72rem;color:var(--t4);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.task .criteria ul{list-style:none;padding:0}
.task .criteria li{padding:3px 0 3px 20px;position:relative;font-size:.82rem;color:var(--t2)}
.task .criteria li::before{content:'\2713';position:absolute;left:0;color:var(--green);font-weight:700}

/* TIP / WARN / DANGER */
.tip{background:var(--blue-d);border-left:3px solid var(--blue);padding:12px 16px;border-radius:0 var(--r) var(--r) 0;margin:20px 0;font-size:.88rem}
.tip .label{color:var(--blue);font-weight:700;font-size:.7rem;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.warn{background:var(--orange-d);border-left:3px solid var(--orange);padding:12px 16px;border-radius:0 var(--r) var(--r) 0;margin:20px 0;font-size:.88rem}
.warn .label{color:var(--orange);font-weight:700;font-size:.7rem;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.danger{background:var(--red-d);border-left:3px solid var(--red);padding:12px 16px;border-radius:0 var(--r) var(--r) 0;margin:20px 0;font-size:.88rem}
.danger .label{color:var(--red);font-weight:700;font-size:.7rem;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}

/* COMPARISON */
.comparison{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0}
.comp-bad{background:var(--red-d);border:1px solid rgba(239,68,68,.2);border-radius:var(--r);padding:16px}
.comp-good{background:var(--green-d);border:1px solid rgba(34,197,94,.2);border-radius:var(--r);padding:16px}
.comp-bad .comp-label{color:var(--red);font-weight:700;font-size:.78rem;margin-bottom:8px}
.comp-good .comp-label{color:var(--green);font-weight:700;font-size:.78rem;margin-bottom:8px}

/* TABLES */
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:.85rem}
th{background:var(--s3);text-align:left;padding:10px 14px;font-weight:600;font-size:.74rem;text-transform:uppercase;letter-spacing:.5px;color:var(--t3);border-bottom:2px solid var(--brd)}
td{padding:10px 14px;border-bottom:1px solid var(--brd);vertical-align:top}
tr:hover td{background:rgba(255,255,255,.01)}

/* KBD */
kbd{display:inline-block;background:var(--s3);border:1px solid var(--brd2);border-radius:5px;padding:1px 8px;font-family:'Cascadia Code',monospace;font-size:.8rem;color:var(--orange);box-shadow:0 2px 0 var(--s1)}

/* LISTS */
ul,ol{margin:8px 0 14px;padding-left:22px}
li{margin-bottom:5px}

/* PROGRESS */
.progress-wrap{margin:6px 0}
.progress-bar{height:6px;background:var(--s3);border-radius:3px;overflow:hidden}
.progress-bar .fill{height:100%;background:var(--course-color,var(--blue));border-radius:3px}
.progress-text{font-size:.72rem;color:var(--t4);margin-top:3px}

/* FOOTER */
footer{text-align:center;padding:40px 24px;color:var(--t4);font-size:.78rem;border-top:1px solid var(--brd)}

/* RESPONSIVE */
@media(max-width:768px){
.hero{padding:40px 16px}
.hero h1{font-size:1.5rem}
.dir-grid{grid-template-columns:1fr}
.comparison{grid-template-columns:1fr}
.slider-demo{flex-wrap:wrap}
.slider-demo .label{width:100%}
.topbar nav{justify-content:center}
.hero .stats{gap:20px}
}

/* ===== LANG TOGGLE ===== */
/* Global toggle in topbar — hidden (reserved for future full translation) */
.lang-toggle{display:none}

/* ===== DAY LIST VIEW ===== */
#day-content-view{display:none}

.dl-summary{background:var(--s1);border:1px solid var(--brd);border-radius:var(--r);padding:20px 24px;margin-bottom:20px}
.dl-summary-text{font-size:.9rem;color:var(--t2);margin-bottom:8px}
.dl-summary-num{font-size:1.4rem;font-weight:800;color:var(--blue)}

.dl-legend{display:flex;gap:16px;margin-bottom:16px;font-size:.78rem;color:var(--t3);align-items:center}
.dl-legend span{display:flex;align-items:center;gap:6px}

.dl-module-header{font-size:.72rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--t4);font-weight:700;padding:20px 0 8px;margin-top:8px}

.dl-card{display:flex;align-items:center;gap:14px;padding:14px 20px;background:var(--s1);border:1px solid var(--brd);border-radius:var(--r);margin-bottom:8px;text-decoration:none!important;color:var(--t);transition:all .15s}
.dl-card:hover{border-color:var(--brd2);background:var(--s2)}
.dl-card.done{border-left:3px solid var(--green)}
.dl-card.partial{border-left:3px solid var(--orange)}
.dl-card.dl-locked{opacity:.5;border-left:3px solid var(--t4);pointer-events:auto}
.dl-card.dl-locked:hover{opacity:.7;border-color:var(--orange)}

.dl-num{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;flex-shrink:0}

.dl-info{flex:1;min-width:0}
.dl-title{font-weight:600;font-size:.92rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dl-meta{display:flex;gap:12px;font-size:.75rem;color:var(--t3);margin-top:2px}

/* Summary row */
.dl-summary-row{display:flex;gap:24px;margin-bottom:12px;flex-wrap:wrap}
.dl-summary-block{display:flex;flex-direction:column}
.dl-summary-label{font-size:.72rem;color:var(--t4);text-transform:uppercase;letter-spacing:.5px}

.dl-progress-wrap{display:flex;align-items:center;flex-shrink:0}
.dl-progress-row{display:flex;align-items:center;gap:8px}
.dl-progress-pct{font-size:.75rem;color:var(--t3);font-weight:600;min-width:32px;text-align:right}
.dl-check{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;background:var(--s3);color:var(--t4);border:1px solid var(--brd)}
.dl-check.checked{background:var(--green-d);color:var(--green);border-color:rgba(34,197,94,.3)}

/* Day nav (back + progress) */
.day-nav{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:12px 0 20px;border-bottom:1px solid var(--brd);margin-bottom:20px}
.day-back{color:var(--t2);font-size:.88rem;display:flex;align-items:center;gap:6px;text-decoration:none;padding:6px 14px;background:var(--s2);border-radius:6px;transition:all .15s}
.day-back:hover{background:var(--s3);color:var(--t);text-decoration:none}
.day-progress-bar{display:flex;align-items:center;gap:4px}
.day-progress-bar .dpb-text{font-size:.82rem;color:var(--t2)}
.day-progress-bar.all-done .dpb-text{color:var(--green)}
.dpb-pct{font-size:.82rem;font-weight:700;color:var(--blue);margin-left:6px}
.day-progress-bar.all-done .dpb-pct{color:var(--course-color,var(--green))}

/* Item checkboxes (per lesson / per task) */
.item-check-wrap{margin-top:14px;padding-top:12px;border-top:1px solid var(--brd)}
.item-check-label{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--t2);cursor:pointer;padding:6px 12px;background:var(--s2);border-radius:6px;width:fit-content;transition:all .15s}
.item-check-label:hover{background:var(--s3)}
.item-check-label input[type="checkbox"]{width:16px;height:16px;accent-color:var(--green);cursor:pointer}
.item-check-label.task-check{background:var(--green-d);border:1px solid rgba(34,197,94,.15)}
.item-check-label.task-check:hover{border-color:rgba(34,197,94,.3)}

/* Completed state */
.lesson.completed .lesson-header{opacity:.6}
.lesson.completed .lesson-num{background:var(--green-d)!important;color:var(--green)!important}
.lesson-done-badge{color:var(--green);font-weight:700;font-size:.9rem;margin-right:4px}
.task.completed{opacity:.6;border-left-color:var(--green)}

/* Day list: mini progress & done badge */
.dl-progress-mini{width:60px;height:6px;background:var(--s3);border-radius:3px;overflow:hidden}
.dl-progress-mini .fill{height:100%;background:var(--course-color,var(--blue));border-radius:3px}
.dl-done-badge{width:28px;height:28px;border-radius:50%;background:var(--green-d);color:var(--green);display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:700;border:1px solid rgba(34,197,94,.3)}

@media(max-width:768px){
.dl-title{white-space:normal}
.day-nav{flex-direction:column;align-items:flex-start}
.dl-card{flex-wrap:wrap}
}

/* cmd spans: bilingual command names (controlled per-block by lang.js) */
.cmd{font-weight:600}
.cmd .en,.cmd .ru{display:none}

/* Inline language toggle (auto-inserted by lang.js into blocks with .cmd) */
.inline-lang-toggle{display:flex;align-items:center;gap:6px;margin-bottom:12px;padding:5px 10px;background:var(--s3);border:1px solid var(--brd);border-radius:6px;width:fit-content;float:right}
.ilt-label{color:var(--t4);font-size:.7rem;margin-right:2px}
.ilt-btn{background:none;border:1px solid var(--brd2);color:var(--t3);padding:2px 10px;font-size:.7rem;font-family:inherit;cursor:pointer;font-weight:700;border-radius:4px;transition:all .15s}
.ilt-btn:hover{color:var(--t2);border-color:var(--t3)}
.ilt-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}

/* tables with cmd */
body.ui-en td .cmd .en,body.ui-en th .cmd .en,body.ui-en li .cmd .en,body.ui-en p .cmd .en{display:inline}
body.ui-ru td .cmd .ru,body.ui-ru th .cmd .ru,body.ui-ru li .cmd .ru,body.ui-ru p .cmd .ru{display:inline}

@media print{
.topbar{display:none}
body{background:#fff;color:#111}
.lesson,.info-block,.task,.dir-card,.day-card{border-color:#ccc;background:#fafafa}
}

/* ═══ LIGHT THEME ═══ */
body.light {
    --bg: #f8f9fa;
    --s1: #ffffff;
    --s2: #f1f3f5;
    --s3: #e9ecef;
    --brd: #dee2e6;
    --brd2: #ced4da;
    --t: #212529;
    --t2: #495057;
    --t3: #6c757d;
    --t4: #868e96;
}
body.light .topbar {
    background: #ffffff;
    border-bottom: 1px solid #e9ecef;
    box-shadow: 0 1px 3px rgba(0,0,0,.05);
}
body.light .hero {
    background: linear-gradient(160deg, #f8f9fa, #e9ecef, #dee2e6) !important;
}
body.light .hero h1, body.light .hero .num {
    color: #212529;
}
body.light .hero span {
    color: var(--blue);
}
body.light .lesson {
    background: #ffffff;
    border-color: #e9ecef;
}
body.light .lesson-header:hover {
    background: #f8f9fa;
}
body.light .info-block {
    background: #f1f3f5;
    border-color: #dee2e6;
}
body.light .tip {
    background: rgba(52, 211, 153, .06);
    border-color: rgba(52, 211, 153, .3);
}
body.light .warn {
    background: rgba(245, 158, 11, .06);
    border-color: rgba(245, 158, 11, .3);
}
body.light .danger {
    background: rgba(239, 68, 68, .06);
    border-color: rgba(239, 68, 68, .3);
}
body.light svg rect[fill="rgba(255,255,255,.02)"],
body.light svg rect[fill="rgba(255,255,255,.03)"],
body.light svg rect[fill="rgba(255,255,255,.04)"],
body.light svg rect[fill="rgba(255,255,255,.05)"] {
    fill: rgba(0,0,0,.03);
}
body.light .nav-dd-menu {
    background: #ffffff;
    border-color: #dee2e6;
    box-shadow: 0 8px 32px rgba(0,0,0,.1);
}
body.light .nav-dd-menu a {
    color: #495057;
}
body.light .nav-dd-menu a:hover {
    background: #f1f3f5;
    color: #212529;
}
body.light kbd {
    background: linear-gradient(180deg, #f8f9fa, #e9ecef);
    border-color: #ced4da;
    color: var(--blue);
}
body.light .g-locked {
    background: rgba(0,0,0,.03);
}
body.light .recipe {
    background: rgba(168,85,247,.04);
    border-color: rgba(168,85,247,.15);
}
body.light .lesson-body p { color: #495057; }
body.light .lesson-body { color: #495057; }
body.light .lesson-body strong { color: #212529; }
body.light .lesson-body td { border-bottom-color: rgba(0,0,0,.06); }
body.light .lesson-body tr:nth-child(even) td { background: rgba(0,0,0,.02); }

/* Hero in light */
body.light .hero, body.light .hero-academy, body.light [class*="hero"] {
    background: linear-gradient(160deg, #eef2f7, #e2e8f0, #ddd6fe) !important;
}
body.light .hero h1, body.light .hero-academy h1 { color: #1e293b; -webkit-text-fill-color: #1e293b; }
body.light .hero-academy h1 span { -webkit-text-fill-color: transparent; }
body.light .hero .sub, body.light .hero-academy .sub { color: #475569; }
body.light .hero .stat .num, body.light .hero-academy .stat .num { color: #1e293b; }
body.light .hero .stat .lbl, body.light .hero-academy .stat .lbl { color: #64748b; }
body.light .hero .hero-label, body.light .hero-academy .hero-label { background: rgba(59,130,246,.12) !important; color: var(--blue) !important; }

/* Cards */
body.light .path-card, body.light .price-card, body.light .tool-card, body.light .dir-card, body.light .day-card {
    background: #ffffff; border-color: #e9ecef; box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
body.light .path-card:hover, body.light .price-card:hover, body.light .tool-card:hover {
    border-color: #ced4da; box-shadow: 0 4px 12px rgba(0,0,0,.08);
}
body.light .pc-num, body.light .prc-name { filter: brightness(.85); }
body.light .pc-meta, body.light .prc-days { color: #6c757d; }
body.light .pc-desc { color: #868e96; }
body.light .pc-btn { filter: brightness(.9); }
body.light .prc-price { filter: brightness(.8); }

/* Bundle */
body.light .bundle-card {
    background: linear-gradient(135deg, rgba(59,130,246,.06), rgba(139,92,246,.06));
    border-color: var(--blue);
}
body.light .bundle-card h3 { color: #212529; }

/* Sections */
body.light section { border-bottom-color: #e9ecef; }
body.light .level-badge { filter: brightness(.9); }
body.light .level-tagline { color: #495057; }
body.light .path-arrows { color: #ced4da; }
body.light .pricing-sub, body.light .tools-sub, body.light .path-sub { color: #6c757d; }

/* SVG text in light mode */
body.light svg text[fill="var(--t4)"] { fill: #6c757d; }
body.light svg text[fill="var(--t3)"] { fill: #495057; }
body.light svg text[fill="var(--t2)"] { fill: #343a40; }
body.light svg text[fill="var(--t)"] { fill: #212529; }
body.light svg text[fill="#9ca3af"] { fill: #6c757d; }
body.light svg text[fill="#71717a"] { fill: #495057; }
body.light svg line[stroke="var(--t4)"], body.light svg path[stroke="var(--t4)"] { stroke: #adb5bd; }
body.light svg polygon[fill="var(--t4)"] { fill: #adb5bd; }

/* Sub-menus */
body.light .nav-sub-menu {
    background: #ffffff; border-color: #dee2e6; box-shadow: 0 6px 24px rgba(0,0,0,.1);
}
body.light .nav-sub-menu a { color: #495057; }
body.light .nav-sub-menu a:hover { background: #f1f3f5; color: #212529; }
body.light .nav-dd-label { color: #868e96; }

/* Task blocks */
body.light .task { background: #f8f9fa; border-color: #e9ecef; }
body.light .task p { color: #495057; }

/* Comparison blocks */
body.light .comp-bad { background: rgba(239,68,68,.05); border-color: rgba(239,68,68,.15); }
body.light .comp-good { background: rgba(34,197,94,.05); border-color: rgba(34,197,94,.15); }

/* Diagram */
body.light .dia-node { background: #f1f3f5; border-color: #dee2e6; }
body.light .dia-arrow { color: #adb5bd; }

/* Progress bars */
body.light .pc-vbar, body.light .dc-progress-bar { background: #e9ecef; }

/* Tool widget */
body.light .tw-panel { background: #ffffff; border-color: #dee2e6; box-shadow: 0 8px 40px rgba(0,0,0,.1); }
body.light .tw-item { background: rgba(0,0,0,.02); border-color: rgba(0,0,0,.06); color: #495057; }
body.light .tw-item:hover { background: rgba(59,130,246,.06); border-color: rgba(59,130,246,.2); color: #212529; }
body.light .tw-title { color: #868e96; }
body.light .tw-fab { background: linear-gradient(135deg,#f8f9fa,#e9ecef); border-color: rgba(59,130,246,.3); }
body.light .tw-bubble { background: #ffffff; border-color: #dee2e6; box-shadow: 0 4px 20px rgba(0,0,0,.1); }

/* Included section */
body.light .included-item { background: #f1f3f5; }
body.light .ii-num { color: var(--blue); }
body.light .ii-label { color: #6c757d; }

/* Critic panel */
body.light .critic-panel { background: #ffffff; border-color: rgba(239,68,68,.2); }
body.light .critic-vote { background: #f8f9fa; border-color: #e9ecef; }

/* Dev panel */
body.light #g-dev-panel > div { background: #ffffff; border-color: #dee2e6; }
body.light .lesson-body tr:hover td { background: rgba(0,0,0,.04); }
/* Smooth transition */
body { transition: background-color .3s, color .3s; }
.topbar, .lesson, .info-block, .nav-dd-menu, .tip, .warn, .danger { transition: background-color .3s, border-color .3s, color .3s; }