/* SolQis Solar Academy — Stylesheet */
:root {
  --amber: #F59E0B; --amber-deep: #B45309; --amber-pale: #FFFBEB;
  --dark: #0F1117; --dark2: #1a1f35;
  --surface: #FFFFFF; --surface2: #F9FAFB; --surface3: #F3F4F6;
  --border: rgba(0,0,0,0.08); --border2: rgba(0,0,0,0.14);
  --text1: #111110; --text2: #374151; --text3: #6B7280; --text4: #9CA3AF;
  --green: #059669; --green-light: #ECFDF5; --green-dark: #065F46;
  --blue: #2563EB; --blue-light: #DBEAFE; --blue-dark: #1E40AF;
  --red: #EF4444; --red-light: #FEF2F2; --red-dark: #991B1B;
  --yellow-light: #FEFCE8;
  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 20px; --r-2xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08),0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.10),0 4px 8px rgba(0,0,0,0.04);
  --t: 200ms cubic-bezier(0.4,0,0.2,1);
  --font: 'Hind Siliguri','Noto Sans Bengali',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);background:var(--surface2);color:var(--text1);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--amber-deep);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
button{cursor:pointer;font-family:var(--font)}

/* ── TYPOGRAPHY ── */
h1{font-size:clamp(24px,5vw,42px);font-weight:800;line-height:1.15;letter-spacing:-0.02em}
h2{font-size:clamp(20px,3vw,28px);font-weight:700;line-height:1.25}
h3{font-size:18px;font-weight:700}
h4{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--text4)}
p{margin-bottom:0}

/* ── LAYOUT ── */
.page{max-width:1100px;margin:0 auto;padding:0 16px}
.page-narrow{max-width:720px;margin:0 auto;padding:0 16px}

/* ── NAV ── */
nav{background:white;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:56px;gap:12px}
.nav-logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;color:var(--dark);text-decoration:none}
.nav-logo span{color:var(--amber)}
.nav-logo-sun{font-size:22px}
.nav-back{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text3);border:none;background:none;padding:6px 10px;border-radius:var(--r-sm);transition:all var(--t)}
.nav-back:hover{background:var(--surface3);color:var(--text1)}
.nav-right{display:flex;align-items:center;gap:10px}
.lang-toggle{display:flex;border:1px solid var(--border2);border-radius:20px;overflow:hidden;background:white}
.lang-btn{padding:4px 12px;font-size:12px;font-weight:700;border:none;background:transparent;color:var(--text3);cursor:pointer;transition:all var(--t)}
.lang-btn.active{background:var(--amber);color:white}
.progress-indicator{font-size:12px;color:var(--text4);white-space:nowrap}

/* ── HERO ── */
.hero{background:linear-gradient(135deg,var(--dark) 0%,var(--dark2) 100%);padding:48px 0 56px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url('https://images.unsplash.com/photo-1509391366360-2e959784a276?w=1200&q=60') center/cover;opacity:0.08;pointer-events:none}
.hero-glow{position:absolute;top:40%;left:50%;transform:translate(-50%,-50%);width:500px;height:250px;background:radial-gradient(ellipse,rgba(245,158,11,0.18) 0%,transparent 70%);pointer-events:none}
.hero-content{position:relative;z-index:1;text-align:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:6px;background:rgba(245,158,11,0.15);border:1px solid rgba(245,158,11,0.3);color:var(--amber);border-radius:20px;padding:5px 14px;font-size:12px;font-weight:700;letter-spacing:0.06em;text-transform:uppercase;margin-bottom:20px}
.hero h1{color:white;margin-bottom:12px}
.hero h1 span{color:var(--amber)}
.hero-sub{color:rgba(255,255,255,0.65);font-size:16px;max-width:520px;margin:0 auto 24px}
.hero-sub-en{color:rgba(255,255,255,0.4);font-size:13px;margin-top:4px}
.hero-stats{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.hero-stat{text-align:center}
.hero-stat-val{font-size:22px;font-weight:800;color:var(--amber);line-height:1.2}
.hero-stat-lbl{font-size:11px;color:rgba(255,255,255,0.5);font-weight:500}
.hero-divider{width:1px;background:rgba(255,255,255,0.15);align-self:stretch}

/* ── CARDS ── */
.card{background:white;border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--shadow-sm)}
.card-hover{transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.card-hover:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--border2)}

/* ── PATH GRID ── */
.path-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding:40px 0}
@media(max-width:600px){.path-grid{grid-template-columns:1fr}}
.path-card{padding:24px;cursor:pointer;display:flex;flex-direction:column;gap:4px}
.path-card:hover .path-arrow{transform:translateX(4px)}
.path-emoji{font-size:36px;margin-bottom:12px;line-height:1}
.path-title{font-size:18px;font-weight:700;color:var(--text1);margin-bottom:4px}
.path-title-en{font-size:12px;color:var(--text4);margin-bottom:8px}
.path-desc{font-size:14px;color:var(--text2);line-height:1.55;flex:1}
.path-footer{display:flex;align-items:center;justify-content:space-between;margin-top:16px}
.path-for{font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;background:var(--surface3);color:var(--text3)}
.path-progress-bar{height:3px;background:var(--surface3);border-radius:2px;overflow:hidden;margin-top:8px}
.path-progress-fill{height:100%;background:var(--amber);border-radius:2px;transition:width 0.5s ease}
.path-arrow{color:var(--text4);transition:transform var(--t);font-size:18px}
.path-modules{font-size:12px;color:var(--text4);margin-top:4px}

/* ── TOOLS GRID ── */
.tools-section{padding:0 0 48px}
.tools-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:700px){.tools-grid{grid-template-columns:repeat(2,1fr)}}
.tool-card{padding:20px 16px;text-align:center;cursor:pointer}
.tool-icon{font-size:32px;margin-bottom:10px}
.tool-name{font-size:14px;font-weight:700;color:var(--text1);margin-bottom:4px}
.tool-desc{font-size:12px;color:var(--text3);line-height:1.4}

/* ── SECTION LABELS ── */
.sl{display:flex;align-items:center;gap:10px;font-size:11px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--text4);margin-bottom:20px}
.sl::after{content:'';flex:1;height:1px;background:var(--border)}

/* ── MODULE PAGE ── */
.module-layout{display:grid;grid-template-columns:280px 1fr;gap:24px;padding:32px 0 64px;align-items:start}
@media(max-width:768px){.module-layout{grid-template-columns:1fr}}
.module-sidebar{position:sticky;top:72px}
.sidebar-card{padding:20px}
.sidebar-path-info{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.sidebar-title{font-size:13px;font-weight:700;color:var(--text1);margin-bottom:4px}
.sidebar-sub{font-size:12px;color:var(--text3)}
.sidebar-modules{list-style:none}
.sidebar-module{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-sm);cursor:pointer;transition:background var(--t);font-size:13px;color:var(--text2)}
.sidebar-module:hover{background:var(--surface3)}
.sidebar-module.active{background:var(--amber-pale);color:var(--amber-deep);font-weight:700}
.sidebar-module.done{color:var(--green-dark)}
.sidebar-check{width:18px;height:18px;border-radius:50%;border:2px solid var(--border2);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:10px}
.sidebar-check.done{background:var(--green);border-color:var(--green);color:white}
.sidebar-check.active{border-color:var(--amber);background:var(--amber-pale)}

/* ── CONTENT BLOCKS ── */
.module-content{min-width:0}
.module-header{padding:24px 28px;border-bottom:1px solid var(--border);margin-bottom:0}
.module-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.module-path-tag{font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;background:var(--surface3);color:var(--text3)}
.module-read-time{font-size:12px;color:var(--text4)}
.module-title{font-size:22px;font-weight:800;color:var(--text1);margin-bottom:4px}
.module-title-en{font-size:13px;color:var(--text4)}

.block{padding:0 28px;margin-bottom:20px}
.block:first-child{padding-top:24px}
.block-last{padding-bottom:28px}

.b-text{font-size:16px;color:var(--text2);line-height:1.8}
.b-heading{font-size:18px;font-weight:700;color:var(--text1);border-left:3px solid var(--amber);padding-left:12px;margin-bottom:4px}

.b-callout{border-radius:var(--r-md);padding:14px 16px;font-size:14px;line-height:1.6}
.b-callout.tip{background:var(--amber-pale);border-left:4px solid var(--amber);color:var(--amber-deep)}
.b-callout.warning{background:var(--yellow-light);border-left:4px solid #EAB308;color:#713F12}
.b-callout.danger{background:var(--red-light);border-left:4px solid var(--red);color:var(--red-dark)}

.b-checklist{list-style:none}
.b-checklist li{display:flex;align-items:flex-start;gap:10px;padding:8px 0;border-bottom:1px solid var(--border);font-size:14px;color:var(--text2);cursor:pointer}
.b-checklist li:last-child{border-bottom:none}
.check-box{width:20px;height:20px;border:2px solid var(--border2);border-radius:4px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px;transition:all var(--t)}
.check-box.checked{background:var(--green);border-color:var(--green);color:white}
.check-text.checked{text-decoration:line-through;color:var(--text4)}

.b-comparison{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cmp-card{border:1px solid var(--border);border-radius:var(--r-md);padding:16px;text-align:center}
.cmp-title{font-size:14px;font-weight:700;margin-bottom:8px;color:var(--text1)}
.cmp-value{font-size:13px;color:var(--text2);margin-bottom:8px}
.cmp-badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 10px;border-radius:20px;background:var(--amber);color:white}

.b-steps{list-style:none;counter-reset:steps}
.b-step{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px;color:var(--text2);align-items:flex-start}
.b-step:last-child{border-bottom:none}
.step-num{width:24px;height:24px;border-radius:50%;background:var(--amber);color:white;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}

.fourparts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(max-width:480px){.fourparts-grid{grid-template-columns:1fr}}
.part-card{background:var(--surface2);border:1px solid var(--border);border-radius:var(--r-md);padding:16px}
.part-emoji{font-size:28px;margin-bottom:8px}
.part-name{font-size:14px;font-weight:700;color:var(--text1);margin-bottom:4px}
.part-role{font-size:13px;font-weight:600;color:var(--amber-deep);margin-bottom:6px}
.part-detail{font-size:12px;color:var(--text3);line-height:1.5}

.systemtypes-grid{display:flex;flex-direction:column;gap:12px}
.sys-card{border:1.5px solid var(--border);border-radius:var(--r-lg);padding:16px 20px}
.sys-card.selected{border-color:var(--amber);background:var(--amber-pale)}
.sys-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.sys-emoji{font-size:24px}
.sys-name{font-size:16px;font-weight:700;color:var(--text1);flex:1}
.sys-tag{font-size:10px;font-weight:700;padding:2px 8px;border-radius:20px;color:white}
.sys-good{font-size:13px;color:var(--green-dark);margin-bottom:4px}
.sys-good::before{content:'✅ '}
.sys-bad{font-size:13px;color:var(--red-dark);margin-bottom:4px}
.sys-bad::before{content:'⚠️ '}
.sys-for{font-size:12px;color:var(--text3);margin-top:6px;font-style:italic}
.sys-cost{font-size:13px;font-weight:700;color:var(--amber-deep);margin-top:6px}

.error-guide{display:flex;flex-direction:column;gap:10px}
.error-item{border:1px solid var(--border);border-radius:var(--r-md);padding:14px 16px}
.error-item.high{border-left:4px solid var(--red)}
.error-item.medium{border-left:4px solid #EAB308}
.error-item.low{border-left:4px solid var(--green)}
.error-code{font-family:monospace;font-size:13px;font-weight:700;color:var(--text1);margin-bottom:4px}
.error-desc{font-size:13px;color:var(--text3);margin-bottom:8px}
.error-fix{font-size:13px;color:var(--text2);margin-bottom:8px}
.error-call{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;padding:4px 10px;border-radius:20px;background:var(--red-light);color:var(--red-dark)}
.error-ok{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;padding:4px 10px;border-radius:20px;background:var(--green-light);color:var(--green-dark)}

/* ── QUIZ ── */
.quiz-section{background:var(--surface2);border-top:2px solid var(--border);padding:28px}
.quiz-label{font-size:11px;font-weight:700;letter-spacing:0.06em;text-transform:uppercase;color:var(--amber-deep);margin-bottom:16px}
.quiz-progress{display:flex;gap:6px;margin-bottom:20px}
.quiz-dot{width:8px;height:8px;border-radius:50%;background:var(--border2);transition:background var(--t)}
.quiz-dot.done{background:var(--green)}
.quiz-dot.active{background:var(--amber)}
.quiz-question{font-size:16px;font-weight:600;color:var(--text1);margin-bottom:16px;line-height:1.5}
.quiz-options{display:flex;flex-direction:column;gap:8px}
.quiz-option{padding:12px 16px;border:1.5px solid var(--border2);border-radius:var(--r-md);cursor:pointer;font-size:14px;color:var(--text2);text-align:left;background:white;transition:all var(--t);font-family:var(--font)}
.quiz-option:hover:not(:disabled){border-color:var(--amber);background:var(--amber-pale);color:var(--amber-deep)}
.quiz-option.correct{border-color:var(--green);background:var(--green-light);color:var(--green-dark);font-weight:700}
.quiz-option.wrong{border-color:var(--red);background:var(--red-light);color:var(--red-dark)}
.quiz-option:disabled{cursor:default}
.quiz-explain{margin-top:14px;padding:12px 16px;background:var(--blue-light);border-left:4px solid var(--blue);border-radius:var(--r-md);font-size:14px;color:var(--blue-dark);line-height:1.6}
.quiz-next{margin-top:16px;padding:10px 24px;background:var(--amber);color:white;border:none;border-radius:var(--r-md);font-size:14px;font-weight:700;font-family:var(--font);transition:all var(--t)}
.quiz-next:hover{background:var(--amber-deep);transform:translateY(-1px)}
.quiz-complete{text-align:center;padding:24px;background:var(--green-light);border-radius:var(--r-lg)}
.quiz-complete-icon{font-size:48px;margin-bottom:12px}
.quiz-score{font-size:28px;font-weight:800;color:var(--green-dark);margin-bottom:4px}

/* ── MODULE NAV BUTTONS ── */
.module-nav{display:flex;justify-content:space-between;align-items:center;padding:20px 28px;border-top:1px solid var(--border);gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--r-md);font-size:14px;font-weight:700;border:none;transition:all var(--t);font-family:var(--font);cursor:pointer}
.btn-primary{background:var(--amber);color:white;box-shadow:0 4px 12px rgba(245,158,11,0.3)}
.btn-primary:hover{background:var(--amber-deep);transform:translateY(-1px)}
.btn-secondary{background:var(--surface3);color:var(--text2);border:1px solid var(--border2)}
.btn-secondary:hover{background:var(--border2)}
.btn-ghost{background:transparent;color:var(--text3);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--surface3)}
.btn-lg{padding:14px 28px;font-size:16px;border-radius:var(--r-lg)}
.btn-full{width:100%;justify-content:center}
.btn-green{background:var(--green);color:white}
.btn-green:hover{background:var(--green-dark)}

/* ── COMPLETION STATE ── */
.module-complete-banner{background:linear-gradient(135deg,var(--green) 0%,#047857 100%);padding:24px 28px;text-align:center;color:white}
.complete-icon{font-size:48px;margin-bottom:8px}
.complete-title{font-size:20px;font-weight:800;margin-bottom:4px}
.complete-sub{font-size:14px;opacity:0.85;margin-bottom:16px}

/* ── TOOLS PAGES ── */
.tool-page{padding:32px 0 64px}
.tool-hero{background:linear-gradient(135deg,var(--dark),var(--dark2));border-radius:var(--r-xl);padding:32px;margin-bottom:24px;color:white;text-align:center}
.tool-hero h2{color:white;margin-bottom:8px}
.tool-hero p{color:rgba(255,255,255,0.65);font-size:15px}
.tool-card-main{padding:28px}

/* ── DIAGNOSER ── */
.diag-messages{display:flex;flex-direction:column;gap:12px;margin-bottom:20px;min-height:120px}
.diag-msg{max-width:85%;animation:fadeSlide 0.3s ease}
.diag-msg.question{align-self:flex-start}
.diag-msg.answer{align-self:flex-end}
.diag-bubble{padding:12px 16px;border-radius:16px;font-size:14px;line-height:1.6}
.diag-msg.question .diag-bubble{background:var(--surface3);color:var(--text1);border-radius:4px 16px 16px 16px}
.diag-msg.answer .diag-bubble{background:var(--amber);color:white;border-radius:16px 4px 16px 16px}
.diag-options{display:flex;flex-direction:column;gap:8px}
.diag-option{padding:10px 16px;border:1.5px solid var(--border2);border-radius:var(--r-md);cursor:pointer;font-size:14px;text-align:left;background:white;transition:all var(--t);font-family:var(--font);color:var(--text2)}
.diag-option:hover{border-color:var(--amber);background:var(--amber-pale);color:var(--amber-deep)}
.diag-result{border-radius:var(--r-lg);padding:20px;margin-top:8px}
.diag-result.low{background:var(--green-light);border:1px solid rgba(5,150,105,0.2)}
.diag-result.medium{background:var(--yellow-light);border:1px solid rgba(234,179,8,0.2)}
.diag-result.high{background:var(--red-light);border:1px solid rgba(239,68,68,0.2)}
.diag-result-title{font-size:16px;font-weight:700;margin-bottom:8px}
.diag-result-desc{font-size:14px;margin-bottom:12px;line-height:1.6}
.diag-actions{list-style:none}
.diag-actions li{font-size:13px;padding:4px 0 4px 16px;position:relative}
.diag-actions li::before{content:'→';position:absolute;left:0;color:var(--amber-deep)}
.diag-call-btn{margin-top:12px;display:inline-flex;align-items:center;gap:6px;padding:10px 16px;background:#25D366;color:white;border-radius:var(--r-md);font-size:14px;font-weight:700;border:none;cursor:pointer}
.diag-restart{margin-top:16px;display:block;width:100%}

/* ── PERFORMANCE TOOL ── */
.perf-inputs{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}
@media(max-width:480px){.perf-inputs{grid-template-columns:1fr}}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-label{font-size:13px;font-weight:600;color:var(--text2)}
.form-input{height:44px;border:1.5px solid var(--border2);border-radius:var(--r-md);padding:0 14px;font-size:14px;font-family:var(--font);color:var(--text1);transition:border-color var(--t)}
.form-input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(245,158,11,0.12)}
.form-select{height:44px;border:1.5px solid var(--border2);border-radius:var(--r-md);padding:0 14px;font-size:14px;font-family:var(--font);color:var(--text1);background:white;cursor:pointer}
.perf-result{background:linear-gradient(135deg,var(--dark),var(--dark2));border-radius:var(--r-lg);padding:24px;color:white;margin-top:20px}
.perf-ratio{font-size:48px;font-weight:800;color:var(--amber);line-height:1;margin-bottom:4px}
.perf-status{font-size:14px;color:rgba(255,255,255,0.7);margin-bottom:16px}
.perf-bars{display:flex;flex-direction:column;gap:10px}
.perf-bar-row{display:flex;align-items:center;gap:10px;font-size:13px}
.perf-bar-label{color:rgba(255,255,255,0.65);width:100px;flex-shrink:0}
.perf-bar-track{flex:1;height:6px;background:rgba(255,255,255,0.15);border-radius:3px;overflow:hidden}
.perf-bar-fill{height:100%;border-radius:3px;transition:width 0.8s ease}
.perf-bar-val{color:white;font-weight:700;width:60px;text-align:right;flex-shrink:0}
.perf-advice{margin-top:16px;padding:12px 16px;background:rgba(245,158,11,0.15);border-radius:var(--r-md);font-size:13px;color:rgba(255,255,255,0.85);line-height:1.6}

/* ── CALENDAR TOOL ── */
.cal-timeline{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.cal-event{display:grid;grid-template-columns:80px 1fr;gap:16px;align-items:start}
.cal-date{text-align:center;font-size:11px;font-weight:700;color:var(--text4)}
.cal-dot-col{display:flex;flex-direction:column;align-items:center;gap:0}
.cal-dot{width:14px;height:14px;border-radius:50%;border:2px solid var(--border2);flex-shrink:0}
.cal-dot.done{background:var(--green);border-color:var(--green)}
.cal-dot.next{background:var(--amber);border-color:var(--amber);box-shadow:0 0 0 4px rgba(245,158,11,0.2)}
.cal-line{flex:1;width:2px;background:var(--border);margin:4px 0}
.cal-content{background:white;border:1px solid var(--border);border-radius:var(--r-md);padding:14px 16px;margin-bottom:4px}
.cal-content.next-event{border-color:var(--amber);background:var(--amber-pale)}
.cal-event-title{font-size:14px;font-weight:700;color:var(--text1);margin-bottom:4px}
.cal-event-desc{font-size:13px;color:var(--text3)}
.cal-event-link{font-size:12px;color:var(--amber-deep);font-weight:600;margin-top:6px;display:inline-block}
.cal-done-btn{margin-top:8px;padding:6px 14px;background:var(--surface3);border:1px solid var(--border2);border-radius:var(--r-sm);font-size:12px;font-weight:700;color:var(--text3)}
.cal-done-btn.completed{background:var(--green-light);color:var(--green-dark);border-color:var(--green)}

/* ── CERTIFICATE ── */
.cert-page{background:white;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.certificate{max-width:680px;width:100%;border:2px solid var(--amber);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-lg)}
.cert-header{background:linear-gradient(135deg,var(--amber) 0%,var(--amber-deep) 100%);padding:28px 32px;display:flex;align-items:center;justify-content:space-between}
.cert-logo{font-size:22px;font-weight:800;color:white}
.cert-logo span{opacity:0.7;font-weight:400;font-size:14px;display:block;margin-top:2px}
.cert-seal{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,0.2);border:2px solid rgba(255,255,255,0.4);display:flex;align-items:center;justify-content:center;font-size:28px}
.cert-body{padding:32px}
.cert-presented{font-size:12px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--text4);margin-bottom:8px}
.cert-name{font-size:28px;font-weight:800;color:var(--text1);margin-bottom:4px}
.cert-subtitle{font-size:14px;color:var(--text3);margin-bottom:24px}
.cert-path-name{font-size:18px;font-weight:700;color:var(--amber-deep);padding:12px 20px;background:var(--amber-pale);border-radius:var(--r-md);display:inline-block;margin-bottom:20px}
.cert-score{font-size:32px;font-weight:800;color:var(--green-dark);margin-bottom:4px}
.cert-score-label{font-size:13px;color:var(--text3)}
.cert-footer{padding:16px 32px;background:var(--surface2);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.cert-id{font-size:11px;color:var(--text4)}
.cert-date{font-size:11px;color:var(--text4)}
.cert-print-btn{padding:10px 20px;background:var(--amber);color:white;border:none;border-radius:var(--r-md);font-size:14px;font-weight:700;cursor:pointer;margin-top:20px}
@media print{
  nav,.cert-print-btn,.tool-card-main{display:none!important}
  .cert-page{padding:0}
  .certificate{box-shadow:none;border-radius:0}
}

/* ── ANIMATIONS ── */
@keyframes fadeSlide{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.fade-up{opacity:0}
.fade-up.visible{animation:fadeUp 400ms ease forwards}

/* ── ADMIN ── */
.admin-layout{display:grid;grid-template-columns:220px 1fr;gap:0;min-height:calc(100vh - 56px)}
.admin-sidebar{background:var(--dark);padding:20px 0;position:sticky;top:56px;height:calc(100vh - 56px);overflow-y:auto}
.admin-nav-item{display:flex;align-items:center;gap:10px;padding:10px 20px;color:rgba(255,255,255,0.6);font-size:14px;cursor:pointer;transition:all var(--t)}
.admin-nav-item:hover,.admin-nav-item.active{background:rgba(255,255,255,0.1);color:white}
.admin-nav-item.active{border-left:3px solid var(--amber);padding-left:17px}
.admin-main{padding:28px;background:var(--surface2);overflow-y:auto}
.admin-card{background:white;border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;margin-bottom:20px}
.admin-table{width:100%;border-collapse:collapse;font-size:14px}
.admin-table th{text-align:left;padding:10px 14px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--text4);background:var(--surface2);border-bottom:1px solid var(--border)}
.admin-table td{padding:12px 14px;border-bottom:1px solid var(--border);color:var(--text2);vertical-align:top}
.admin-table tr:last-child td{border-bottom:none}
.admin-table tr:hover td{background:var(--amber-pale)}
.status-badge{font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;display:inline-block}
.status-published{background:var(--green-light);color:var(--green-dark)}
.status-draft{background:var(--surface3);color:var(--text3)}
.action-btn{padding:5px 12px;border-radius:var(--r-sm);font-size:12px;font-weight:700;border:1px solid var(--border2);cursor:pointer;background:white;color:var(--text2);font-family:var(--font);margin-right:4px}
.action-btn.primary{background:var(--amber);color:white;border-color:var(--amber)}
.action-btn.danger{color:var(--red-dark);border-color:var(--red-light)}
textarea.form-input{height:auto;padding:12px 14px;resize:vertical;min-height:80px}
.tab-bar{display:flex;gap:4px;border-bottom:2px solid var(--border);margin-bottom:24px}
.tab{padding:8px 16px;font-size:14px;font-weight:600;color:var(--text3);border:none;background:none;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;font-family:var(--font);transition:all var(--t)}
.tab.active{color:var(--amber-deep);border-bottom-color:var(--amber)}

/* ── RESPONSIVE ── */
@media(max-width:768px){
  .module-layout{gap:0}
  .module-sidebar{display:none}
  .block{padding:0 16px}
  .module-header{padding:16px}
  .module-nav{padding:16px}
  .quiz-section{padding:20px 16px}
  .tool-card-main{padding:20px}
  .admin-layout{grid-template-columns:1fr}
  .admin-sidebar{display:none}
}
@media(max-width:480px){
  h1{font-size:26px}
  .hero{padding:32px 0 40px}
  .path-card{padding:18px}
  .b-comparison{grid-template-columns:1fr}
  .fourparts-grid{grid-template-columns:1fr}
  .perf-inputs{grid-template-columns:1fr}
}