/* ====================================================
   Kalkulator Średniej – Shared Stylesheet
   Domain: sredniaonline.pl
   Mobile-First, AdSense-Ready, SEO-Optimized
   ==================================================== */

:root {
  --blue-900: #1E3A8A;
  --blue-800: #1E40AF;
  --blue-600: #2563EB;
  --blue-500: #3B82F6;
  --blue-100: #DBEAFE;
  --blue-50: #EFF6FF;
  --green-700: #047857;
  --green-600: #059669;
  --green-500: #10B981;
  --green-100: #D1FAE5;
  --green-50: #ECFDF5;
  --amber-600: #D97706;
  --amber-500: #F59E0B;
  --amber-100: #FEF3C7;
  --red-700: #B91C1C;
  --red-600: #DC2626;
  --red-500: #EF4444;
  --red-100: #FEE2E2;
  --purple-600: #7C3AED;
  --purple-100: #EDE9FE;
  --gray-900: #111827;
  --gray-800: #1F2937;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-500: #6B7280;
  --gray-400: #9CA3AF;
  --gray-300: #D1D5DB;
  --gray-200: #E5E7EB;
  --gray-100: #F3F4F6;
  --gray-50: #F9FAFB;
  --white: #FFFFFF;
  --font: system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-mono: 'SF Mono','Fira Code',monospace;
  --r-sm: 6px; --r-md: 10px; --r-lg: 16px; --r-xl: 24px; --r-full: 9999px;
  --sh-sm: 0 1px 3px rgba(0,0,0,.08);
  --sh-md: 0 4px 16px rgba(0,0,0,.08);
  --sh-lg: 0 12px 40px rgba(0,0,0,.12);
  --t: 180ms ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--gray-900);background:var(--gray-50);line-height:1.6;min-height:100vh}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-600);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--blue-800);text-decoration:underline}
button{cursor:pointer;font-family:var(--font);border:none;outline:none}
input,select{font-family:var(--font);font-size:1rem}
:focus-visible{outline:2px solid var(--blue-600);outline-offset:2px}
@media(prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* ── LAYOUT ── */
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 1rem}
.container-sm{max-width:800px;margin:0 auto;padding:0 1rem}
.grid-2{display:grid;grid-template-columns:minmax(0,1fr);gap:1.5rem}
.grid-3{display:grid;grid-template-columns:minmax(0,1fr);gap:1.5rem}
.grid-2>*,.grid-3>*{min-width:0}
@media(min-width:640px){.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.container{padding:0 1.5rem}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* ── HEADER / NAV ── */
.site-header{background:var(--white);border-bottom:1px solid var(--gray-200);position:sticky;top:0;z-index:100;box-shadow:var(--sh-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:56px;gap:1rem}
.nav-logo{font-weight:700;font-size:1.1rem;color:var(--blue-800);text-decoration:none;display:flex;align-items:center;gap:.5rem;flex-shrink:0}
.nav-logo svg{width:28px;height:28px;color:var(--blue-600)}
.nav-logo:hover{text-decoration:none;color:var(--blue-900)}
.nav-links{display:none;gap:.25rem;list-style:none;align-items:center}
.nav-links a{font-size:.85rem;font-weight:500;color:var(--gray-700);padding:.4rem .65rem;border-radius:var(--r-sm);transition:background var(--t),color var(--t)}
.nav-links a:hover{background:var(--blue-50);color:var(--blue-700);text-decoration:none}
.nav-links a.active{color:var(--blue-700);background:var(--blue-50)}
.nav-toggle{background:none;padding:.5rem;color:var(--gray-600);display:flex;border-radius:var(--r-sm)}
.nav-toggle:hover{background:var(--gray-100)}
.nav-mobile{display:none;background:var(--white);border-top:1px solid var(--gray-100);padding:.75rem 1rem}
.nav-mobile.open{display:block}
.nav-mobile ul{list-style:none;display:flex;flex-direction:column;gap:.25rem}
.nav-mobile a{display:block;padding:.6rem .75rem;border-radius:var(--r-sm);font-size:.95rem;font-weight:500;color:var(--gray-700)}
.nav-mobile a:hover{background:var(--blue-50);color:var(--blue-700);text-decoration:none}
@media(min-width:768px){.nav-links{display:flex}.nav-toggle{display:none}}

/* ── BREADCRUMB ── */
.breadcrumb{font-size:.8rem;color:var(--gray-500);padding:.6rem 0;display:flex;flex-wrap:wrap;gap:.25rem;align-items:center}
.breadcrumb a{color:var(--gray-500)}.breadcrumb a:hover{color:var(--blue-600)}
.breadcrumb span{color:var(--gray-400)}

/* ── HERO ── */
.hero{background:linear-gradient(135deg,var(--blue-800) 0%,var(--blue-600) 100%);color:var(--white);padding:2rem 0 0;text-align:center}
.hero h1{font-size:clamp(1.5rem,5vw,2.5rem);font-weight:800;line-height:1.2;margin-bottom:.75rem;letter-spacing:-.02em}
.hero p{font-size:clamp(.95rem,2.5vw,1.15rem);opacity:.9;max-width:600px;margin:0 auto 1.5rem}
.hero-badges{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-bottom:1.5rem}
.badge{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);padding:.25rem .75rem;border-radius:var(--r-full);font-size:.8rem;font-weight:500;backdrop-filter:blur(4px)}

/* ── CARD ── */
.card{background:var(--white);border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:1.5rem;border:1px solid var(--gray-200)}
.card-title{font-size:1.05rem;font-weight:700;color:var(--gray-900);margin-bottom:1rem}

/* ── CALCULATOR TOOL ── */
.calculator-wrap{background:var(--white);border-radius:var(--r-xl) var(--r-xl) 0 0;margin:0;padding:1.75rem;box-shadow:var(--sh-lg)}
.tab-bar{display:flex;gap:.5rem;background:var(--gray-100);padding:.35rem;border-radius:var(--r-lg);margin-bottom:1.5rem}
.tab-btn{flex:1;padding:.55rem 1rem;border-radius:var(--r-md);font-size:.9rem;font-weight:600;color:var(--gray-600);background:none;transition:all var(--t)}
.tab-btn.active{background:var(--white);color:var(--blue-700);box-shadow:var(--sh-sm)}
.tab-btn:hover:not(.active){color:var(--gray-800)}
.tab-panel{display:none}.tab-panel.active{display:block}

.scale-select-wrap{margin-bottom:1.25rem}
.scale-select-wrap label{display:block;font-size:.85rem;font-weight:600;color:var(--gray-700);margin-bottom:.4rem}
.scale-select{width:100%;padding:.6rem .8rem;border:1.5px solid var(--gray-300);border-radius:var(--r-md);background:var(--white);font-size:.95rem;color:var(--gray-800);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .8rem center;padding-right:2.2rem;transition:border-color var(--t)}
.scale-select:focus{border-color:var(--blue-500);outline:none}

.grades-list{display:flex;flex-direction:column;gap:.6rem;margin-bottom:1rem}
.grade-row{display:grid;grid-template-columns:1fr 100px auto;gap:.5rem;align-items:center}
.grade-row.weighted{grid-template-columns:1fr 80px 80px auto}
.grade-row input{padding:.6rem .8rem;border:1.5px solid var(--gray-300);border-radius:var(--r-md);font-size:.95rem;background:var(--white);color:var(--gray-800);transition:border-color var(--t),background var(--t);width:100%}
.grade-row input:focus{border-color:var(--blue-500);outline:none;background:var(--blue-50)}
.grade-row input.error{border-color:var(--red-500);background:#fff5f5}
.grade-row input::placeholder{color:var(--gray-400);font-size:.875rem}
.grade-row .input-label{font-size:.7rem;font-weight:600;color:var(--gray-500);text-align:center;margin-bottom:.1rem;display:block}

.btn-del{width:36px;height:36px;border-radius:var(--r-sm);background:none;color:var(--gray-400);display:flex;align-items:center;justify-content:center;transition:all var(--t);font-size:1.1rem;flex-shrink:0}
.btn-del:hover{background:var(--red-100);color:var(--red-600)}
.btn-add{width:100%;padding:.65rem;border-radius:var(--r-md);background:var(--blue-50);color:var(--blue-700);font-size:.9rem;font-weight:600;transition:all var(--t);border:1.5px dashed var(--blue-200);margin-bottom:1.25rem}
.btn-add:hover{background:var(--blue-100);border-color:var(--blue-400)}

.options-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.25rem;align-items:center}
.toggle-wrap{display:flex;align-items:center;gap:.5rem;cursor:pointer}
.toggle-wrap input[type=checkbox]{display:none}
.toggle-track{width:40px;height:22px;background:var(--gray-300);border-radius:var(--r-full);position:relative;transition:background var(--t);flex-shrink:0}
.toggle-wrap input:checked~.toggle-track{background:var(--blue-500)}
.toggle-track::after{content:'';position:absolute;top:2px;left:2px;width:18px;height:18px;background:white;border-radius:50%;transition:transform var(--t)}
.toggle-wrap input:checked~.toggle-track::after{transform:translateX(18px)}
.toggle-label{font-size:.85rem;font-weight:500;color:var(--gray-700)}

/* Buttons primary / secondary */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.7rem 1.4rem;border-radius:var(--r-md);font-size:.95rem;font-weight:600;transition:all var(--t);cursor:pointer;border:none}
.btn-primary{background:var(--blue-600);color:white;box-shadow:0 2px 8px rgba(37,99,235,.3)}
.btn-primary:hover{background:var(--blue-700);transform:translateY(-1px);box-shadow:0 4px 12px rgba(37,99,235,.4)}
.btn-secondary{background:var(--gray-100);color:var(--gray-700);border:1px solid var(--gray-200)}
.btn-secondary:hover{background:var(--gray-200)}
.btn-sm{padding:.4rem .9rem;font-size:.82rem}
.action-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}

/* Results */
.result-panel{background:var(--gray-50);border-radius:var(--r-lg);padding:1.5rem;border:1.5px solid var(--gray-200);margin-top:1.5rem}
.result-panel.has-result{border-color:var(--blue-200);background:linear-gradient(135deg,var(--blue-50),white)}
.result-main{text-align:center;padding:1rem 0;margin-bottom:1rem}
.result-score{font-size:4rem;font-weight:800;color:var(--blue-700);line-height:1;letter-spacing:-.04em;transition:color .3s}
.result-score.great{color:var(--green-600)}
.result-score.good{color:var(--blue-600)}
.result-score.ok{color:var(--amber-600)}
.result-score.fail{color:var(--red-600)}
.result-label{font-size:1.1rem;font-weight:600;color:var(--gray-700);margin-top:.25rem}
.result-count{font-size:.8rem;color:var(--gray-500);margin-top:.25rem}

.result-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;margin-bottom:1rem}
@media(min-width:400px){.result-stats{grid-template-columns:repeat(4,1fr)}}
.stat-item{background:var(--white);border-radius:var(--r-md);padding:.75rem .5rem;text-align:center;border:1px solid var(--gray-200)}
.stat-val{font-size:1.2rem;font-weight:700;color:var(--gray-800)}
.stat-lbl{font-size:.7rem;color:var(--gray-500);font-weight:500;margin-top:.1rem}

.badge-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;justify-content:center}
.badge-result{display:flex;align-items:center;gap:.4rem;padding:.45rem 1rem;border-radius:var(--r-full);font-size:.82rem;font-weight:600;border:1.5px solid}
.badge-result.pass{background:var(--green-50);color:var(--green-700);border-color:var(--green-500)}
.badge-result.fail{background:var(--red-100);color:var(--red-700);border-color:var(--red-500)}
.badge-result.warn{background:var(--amber-100);color:var(--amber-600);border-color:var(--amber-500)}

/* Distribution chart */
.dist-chart{margin-bottom:.75rem}
.dist-chart-title{font-size:.8rem;font-weight:600;color:var(--gray-600);margin-bottom:.5rem}
.bar-row{display:flex;align-items:center;gap:.5rem;margin-bottom:.35rem}
.bar-label{width:14px;font-size:.75rem;font-weight:700;color:var(--gray-600);text-align:right;flex-shrink:0}
.bar-track{flex:1;height:20px;background:var(--gray-100);border-radius:var(--r-sm);overflow:hidden}
.bar-fill{height:100%;border-radius:var(--r-sm);transition:width .4s ease;min-width:0}
.bar-fill.c6{background:var(--green-500)}
.bar-fill.c5{background:#34D399}
.bar-fill.c4{background:var(--blue-500)}
.bar-fill.c3{background:var(--amber-500)}
.bar-fill.c2{background:#FB923C}
.bar-fill.c1{background:var(--red-500)}
.bar-count{width:24px;font-size:.75rem;color:var(--gray-500);flex-shrink:0}

/* Formula */
.formula-box{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--r-md);padding:1rem;font-size:.875rem;color:var(--gray-700)}
.formula-box code{font-family:var(--font-mono);background:var(--gray-100);padding:.1rem .4rem;border-radius:4px;font-size:.82rem;color:var(--blue-800)}
.formula-box .step{display:flex;gap:.5rem;margin-bottom:.35rem;align-items:flex-start}
.step-num{background:var(--blue-600);color:white;border-radius:50%;width:20px;height:20px;font-size:.72rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:.1rem}

/* History */
.history-section{margin-top:1.5rem}
.history-item{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--r-md);padding:.75rem 1rem;display:flex;justify-content:space-between;align-items:center;font-size:.85rem;margin-bottom:.4rem}
.history-score{font-weight:700;color:var(--blue-700);font-size:1rem}
.history-date{color:var(--gray-400);font-size:.75rem}

/* ── CONTENT SECTIONS ── */
.section{padding:3rem 0}
.section-title{font-size:clamp(1.3rem,4vw,1.8rem);font-weight:800;color:var(--gray-900);margin-bottom:.5rem;line-height:1.3}
.section-subtitle{font-size:1rem;color:var(--gray-600);margin-bottom:2rem;max-width:600px}
.section-sm{padding:2rem 0}
.section-blue{background:var(--blue-800);color:white}
.section-gray{background:var(--gray-100)}
.section-white{background:white}

/* Feature grid */
.feature-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--r-lg);padding:1.25rem;transition:box-shadow var(--t),transform var(--t)}
.feature-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.feature-icon{width:40px;height:40px;border-radius:var(--r-md);background:var(--blue-50);display:flex;align-items:center;justify-content:center;margin-bottom:.75rem;color:var(--blue-600);font-size:1.2rem}
.feature-card h3{font-size:.95rem;font-weight:700;margin-bottom:.35rem;color:var(--gray-900)}
.feature-card p{font-size:.85rem;color:var(--gray-600);line-height:1.5}

/* Grade table */
.grade-table{width:100%;border-collapse:collapse;font-size:.9rem;margin:1rem 0}
.grade-table th{background:var(--blue-800);color:white;padding:.65rem 1rem;text-align:left;font-weight:600;font-size:.82rem}
.grade-table td{padding:.6rem 1rem;border-bottom:1px solid var(--gray-100)}
.grade-table tr:nth-child(even) td{background:var(--gray-50)}
.grade-table tr:hover td{background:var(--blue-50)}
.grade-pill{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;font-weight:700;font-size:.9rem}
.gp-6{background:#D1FAE5;color:#047857}
.gp-5{background:#BFDBFE;color:#1E40AF}
.gp-4{background:#E0E7FF;color:#3730A3}
.gp-3{background:#FEF3C7;color:#92400E}
.gp-2{background:#FED7AA;color:#9A3412}
.gp-1{background:#FEE2E2;color:#991B1B}

/* Points table (liceum) */
.points-table{width:100%;border-collapse:collapse;font-size:.875rem}
.points-table th{background:var(--blue-700);color:white;padding:.6rem .8rem;text-align:left;font-size:.8rem;font-weight:600}
.points-table td{padding:.55rem .8rem;border-bottom:1px solid var(--gray-100)}
.points-table tr:nth-child(even) td{background:var(--gray-50)}
.pts-badge{background:var(--blue-100);color:var(--blue-800);font-weight:700;padding:.2rem .5rem;border-radius:var(--r-sm);font-size:.82rem}

/* FAQ */
.faq-item{border:1px solid var(--gray-200);border-radius:var(--r-md);margin-bottom:.6rem;overflow:hidden}
.faq-q{width:100%;text-align:left;padding:1rem 1.25rem;background:var(--white);font-size:.95rem;font-weight:600;color:var(--gray-800);display:flex;justify-content:space-between;align-items:center;gap:1rem;cursor:pointer;transition:background var(--t)}
.faq-q:hover{background:var(--blue-50)}
.faq-q .faq-icon{font-size:1.1rem;color:var(--blue-600);flex-shrink:0;transition:transform .2s}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{display:none;padding:.75rem 1.25rem 1rem;font-size:.9rem;color:var(--gray-700);line-height:1.65;border-top:1px solid var(--gray-100);background:var(--gray-50)}
.faq-item.open .faq-a{display:block}

/* Related tools */
.tool-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--r-lg);padding:1.25rem;text-decoration:none;color:inherit;display:block;transition:all var(--t);position:relative;overflow:hidden}
.tool-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--blue-500);transform:scaleX(0);transition:transform var(--t)}
.tool-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);text-decoration:none}
.tool-card:hover::before{transform:scaleX(1)}
.tool-card-icon{font-size:1.75rem;margin-bottom:.5rem}
.tool-card-title{font-size:.95rem;font-weight:700;color:var(--gray-900);margin-bottom:.3rem}
.tool-card-desc{font-size:.82rem;color:var(--gray-500)}
.tool-card-arrow{position:absolute;right:1rem;top:50%;transform:translateY(-50%);color:var(--gray-400);font-size:.9rem}

/* CTA Banner */
.cta-banner{background:linear-gradient(135deg,var(--blue-800),var(--blue-600));color:white;border-radius:var(--r-xl);padding:2rem;text-align:center}
.cta-banner h2{font-size:1.4rem;font-weight:800;margin-bottom:.5rem}
.cta-banner p{opacity:.85;margin-bottom:1.25rem;font-size:.95rem}
.btn-white{background:white;color:var(--blue-700);font-weight:700;padding:.7rem 1.8rem;border-radius:var(--r-md);transition:all var(--t);display:inline-block}
.btn-white:hover{background:var(--blue-50);transform:translateY(-1px);text-decoration:none;box-shadow:var(--sh-md)}

/* AdSense placeholder */
.adsense-wrap{background:var(--gray-100);border:1px dashed var(--gray-300);border-radius:var(--r-md);min-height:90px;display:flex;align-items:center;justify-content:center;color:var(--gray-400);font-size:.8rem;margin:1.5rem 0;text-align:center}
.adsense-wrap.tall{min-height:250px}
.adsense-wrap.leaderboard{min-height:90px}
.adsense-wrap.rect{min-height:250px;max-width:300px}

/* FOOTER */
.site-footer{background:var(--gray-900);color:var(--gray-300);padding:3rem 0 1.5rem}
.footer-grid{display:grid;gap:2rem;margin-bottom:2.5rem}
@media(min-width:640px){.footer-grid{grid-template-columns:2fr 1fr 1fr}}
@media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.footer-brand{font-size:1.1rem;font-weight:700;color:white;margin-bottom:.6rem}
.footer-desc{font-size:.85rem;line-height:1.6;color:var(--gray-400)}
.footer-heading{font-size:.82rem;font-weight:700;color:var(--gray-400);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:.4rem}
.footer-links a{font-size:.85rem;color:var(--gray-400);transition:color var(--t)}
.footer-links a:hover{color:white;text-decoration:none}
.footer-bottom{border-top:1px solid var(--gray-800);padding-top:1.25rem;display:flex;flex-wrap:wrap;gap:.75rem;justify-content:space-between;align-items:center;font-size:.78rem;color:var(--gray-500)}
.footer-legal{display:flex;flex-wrap:wrap;gap:.75rem}
.footer-legal a{color:var(--gray-500);transition:color var(--t)}
.footer-legal a:hover{color:var(--gray-300)}

/* Cookie banner */
.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--gray-900);color:var(--gray-300);padding:1rem;z-index:999;display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;justify-content:space-between;font-size:.85rem;box-shadow:0 -4px 20px rgba(0,0,0,.2)}
.cookie-banner.hidden{display:none}
.cookie-banner a{color:var(--blue-400)}
.cookie-btn{background:var(--blue-600);color:white;padding:.45rem 1.2rem;border-radius:var(--r-sm);font-size:.85rem;font-weight:600;white-space:nowrap;transition:background var(--t)}
.cookie-btn:hover{background:var(--blue-700)}

/* Share modal */
.share-modal{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;display:flex;align-items:center;justify-content:center;padding:1rem}
.share-modal.hidden,.share-modal[hidden]{display:none!important}
.share-box{background:white;border-radius:var(--r-xl);padding:1.75rem;max-width:480px;width:100%;box-shadow:var(--sh-lg)}
.share-box h3{font-size:1.1rem;font-weight:700;margin-bottom:1rem}
.share-url-row{display:flex;gap:.5rem;margin-bottom:1rem}
.share-url-row input{flex:1;padding:.6rem .8rem;border:1.5px solid var(--gray-300);border-radius:var(--r-md);font-size:.85rem;color:var(--gray-700)}
.share-btns{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:flex-end}

/* Toast */
.toast{position:fixed;bottom:5rem;left:50%;transform:translateX(-50%) translateY(20px);background:var(--gray-900);color:white;padding:.6rem 1.2rem;border-radius:var(--r-full);font-size:.85rem;font-weight:500;opacity:0;transition:all .25s;pointer-events:none;z-index:300;white-space:nowrap}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Info boxes */
.info-box{border-radius:var(--r-md);padding:1rem 1.25rem;margin:1rem 0;font-size:.9rem;line-height:1.6;display:flex;gap:.75rem;align-items:flex-start}
.info-box.blue{background:var(--blue-50);border:1px solid var(--blue-200);color:var(--blue-800)}
.info-box.green{background:var(--green-50);border:1px solid var(--green-200);color:var(--green-700)}
.info-box.amber{background:var(--amber-100);border:1px solid var(--amber-300);color:var(--amber-600)}
.info-box.red{background:var(--red-100);border:1px solid var(--red-200);color:var(--red-700)}
.info-icon{font-size:1.1rem;flex-shrink:0}

/* Headings within content */
.content h2{font-size:clamp(1.15rem,3vw,1.5rem);font-weight:800;color:var(--gray-900);margin:2rem 0 .75rem;padding-top:.5rem}
.content h3{font-size:1.05rem;font-weight:700;color:var(--gray-800);margin:1.5rem 0 .5rem}
.content h4{font-size:.95rem;font-weight:700;color:var(--gray-700);margin:1.25rem 0 .4rem}
.content p{color:var(--gray-700);line-height:1.7;margin-bottom:.85rem;font-size:.95rem}
.content ul,.content ol{color:var(--gray-700);line-height:1.7;margin-bottom:.85rem;padding-left:1.5rem;font-size:.95rem}
.content li{margin-bottom:.3rem}
.content strong{color:var(--gray-900)}
.content table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.875rem}
.content th{background:var(--blue-800);color:white;padding:.6rem .9rem;text-align:left;font-size:.8rem}
.content td{padding:.55rem .9rem;border-bottom:1px solid var(--gray-100)}
.content tr:nth-child(even) td{background:var(--gray-50)}

/* Points calc results (liceum / osmoklasisty) */
.pts-panel{background:var(--gray-50);border-radius:var(--r-lg);padding:1.5rem;border:1.5px solid var(--gray-200);margin-top:1.5rem}
.pts-total{text-align:center;padding:.75rem 0}
.pts-num{font-size:3.5rem;font-weight:800;color:var(--blue-700);line-height:1}
.pts-max{font-size:1rem;color:var(--gray-500);font-weight:500}
.pts-rows{display:flex;flex-direction:column;gap:.5rem;margin:1rem 0}
.pts-row{display:flex;justify-content:space-between;align-items:center;padding:.5rem .75rem;background:white;border-radius:var(--r-sm);border:1px solid var(--gray-200)}
.pts-row-label{font-size:.85rem;color:var(--gray-700)}
.pts-row-val{font-weight:700;color:var(--blue-700);font-size:.95rem}
.school-list{display:flex;flex-direction:column;gap:.4rem;margin-top:.75rem}
.school-item{display:flex;justify-content:space-between;align-items:center;padding:.5rem .75rem;background:white;border-radius:var(--r-sm);border:1px solid var(--gray-200);font-size:.85rem}
.school-name{color:var(--gray-800);font-weight:500}
.school-pts{color:var(--gray-500)}
.school-status{font-size:.75rem;font-weight:600;padding:.15rem .5rem;border-radius:var(--r-full)}
.school-status.ok{background:var(--green-100);color:var(--green-700)}
.school-status.no{background:var(--red-100);color:var(--red-700)}
.school-status.close{background:var(--amber-100);color:var(--amber-600)}

/* Progress bar */
.progress-wrap{margin:.75rem 0}
.progress-label{display:flex;justify-content:space-between;font-size:.8rem;color:var(--gray-500);margin-bottom:.3rem}
.progress-track{height:10px;background:var(--gray-200);border-radius:var(--r-full);overflow:hidden}
.progress-fill{height:100%;border-radius:var(--r-full);transition:width .5s ease;background:var(--blue-500)}
.progress-fill.great{background:var(--green-500)}
.progress-fill.ok{background:var(--amber-500)}
.progress-fill.fail{background:var(--red-500)}

/* Utility */
.text-center{text-align:center}.text-sm{font-size:.875rem}.text-xs{font-size:.78rem}
.text-muted{color:var(--gray-500)}.text-blue{color:var(--blue-600)}.text-green{color:var(--green-600)}
.font-bold{font-weight:700}.font-600{font-weight:600}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:.75rem}.mb-4{margin-bottom:1rem}
.mt-0{margin-top:0}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}
.p-3{padding:.75rem}.p-4{padding:1rem}
.gap-2{gap:.5rem}.gap-3{gap:.75rem}
.flex{display:flex}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-between{justify-content:space-between}
.hidden{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.rounded{border-radius:var(--r-md)}.rounded-lg{border-radius:var(--r-lg)}
.border{border:1px solid var(--gray-200)}.border-blue{border-color:var(--blue-300)}
.bg-white{background:white}.bg-gray{background:var(--gray-50)}

@media(max-width:480px){
  .grade-row{grid-template-columns:1fr 85px auto}
  .grade-row.weighted{grid-template-columns:1fr 70px 70px auto}
  .grade-row input{padding:.55rem .6rem}
  .result-score{font-size:3.2rem}
  .section{padding:2rem 0}
}

@media(min-width:1024px){
  .calculator-layout{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:start}
}

/* Print */
@media print{
  .site-header,.site-footer,.cookie-banner,.adsense-wrap,.share-modal,.btn-add,.btn-del,.action-row,.nav-toggle{display:none!important}
  .calculator-wrap{box-shadow:none;border:1px solid #ccc}
  body{background:white}
}

/* ─── ADDITIONAL PAGE STYLES ─── */

/* Notice box */
.notice-box {
  background: var(--blue-50, #eff6ff);
  border: 1.5px solid var(--blue-200, #bfdbfe);
  border-left: 4px solid var(--blue-800, #1e40af);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: .95rem;
  line-height: 1.6;
}
.notice-box a { color: var(--blue-800, #1e40af); font-weight: 600; }

/* CTA inline */
.cta-inline {
  background: var(--green-50, #f0fdf4);
  border: 1.5px solid var(--green-200, #bbf7d0);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: .95rem;
}
.cta-inline a { color: var(--green-700, #15803d); font-weight: 600; }

/* Weights hint */
.weights-hint {
  background: var(--amber-50, #fffbeb);
  border: 1px solid var(--amber-200, #fde68a);
  border-radius: 6px;
  padding: .75rem 1rem;
  font-size: .88rem;
  margin-bottom: 1rem;
}

/* Liceum calc section titles */
.calc-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-700, #374151);
  margin: 1.25rem 0 .6rem;
  padding-bottom: .3rem;
  border-bottom: 2px solid var(--gray-100, #f3f4f6);
}

/* Exam grid */
.liceum-exam-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: .75rem;
  margin-bottom: .5rem;
}
.exam-subject { display: flex; flex-direction: column; gap: .3rem; }
.exam-subject label { font-size: .85rem; font-weight: 600; color: var(--gray-600, #4b5563); }
.exam-pts {
  font-size: .82rem;
  font-weight: 700;
  color: var(--blue-800, #1e40af);
  text-align: right;
}
.exam-total-row, .cert-total-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: .5rem .75rem;
  background: var(--gray-50, #f9fafb);
  border-radius: 6px;
  font-size: .9rem;
  font-weight: 600;
  margin: .5rem 0 1rem;
}
.exam-total-pts, .cert-total-pts { color: var(--blue-800, #1e40af); font-size: 1rem; }

/* Certificate grades grid */
.cert-grades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .75rem;
  margin-bottom: .5rem;
}
.cert-subject { display: flex; flex-direction: column; gap: .3rem; }
.cert-subject label { font-size: .85rem; font-weight: 600; color: var(--gray-600, #4b5563); }

/* Extra points */
.extra-points-grid { display: flex; flex-direction: column; gap: .75rem; }
.extra-toggle { margin: 0; }
.extra-subject { display: flex; flex-direction: column; gap: .3rem; }
.extra-subject label { font-size: .85rem; font-weight: 600; color: var(--gray-600, #4b5563); }

/* Matura grid */
.matura-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}
.matura-subject h3 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--gray-700, #374151);
  margin: 0 0 .5rem;
}
.matura-levels { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.matura-levels label { font-size: .82rem; font-weight: 600; color: var(--gray-500, #6b7280); }

/* Points breakdown */
.points-breakdown {
  background: var(--gray-50, #f9fafb);
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem 0;
  font-size: .9rem;
}
.points-breakdown .pts-row {
  display: flex; justify-content: space-between;
  padding: .3rem 0;
  border-bottom: 1px solid var(--gray-100, #f3f4f6);
}
.points-breakdown .pts-row:last-child { border-bottom: none; font-weight: 700; }
.pts-value { font-weight: 700; color: var(--blue-800, #1e40af); }

/* School thresholds */
.school-thresholds {
  margin: 1rem 0;
  font-size: .88rem;
}
.school-thresholds h4 { font-size: .9rem; margin-bottom: .5rem; }
.threshold-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: .35rem .5rem;
  border-radius: 4px;
  margin-bottom: .2rem;
}
.threshold-item.can-apply { background: var(--green-50, #f0fdf4); color: var(--green-700, #15803d); }
.threshold-item.cant-apply { background: var(--red-50, #fef2f2); color: var(--red-700, #b91c1c); }

/* Matura breakdown */
.matura-breakdown {
  background: var(--gray-50, #f9fafb);
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem 0;
  font-size: .9rem;
}

/* Error page */
.error-page { min-height: 60vh; display: flex; align-items: center; }
.error-content {
  text-align: center;
  padding: 3rem 1rem;
  max-width: 600px;
  margin: 0 auto;
}
.error-code {
  font-size: clamp(5rem, 20vw, 9rem);
  font-weight: 900;
  color: var(--blue-800, #1e40af);
  line-height: 1;
  margin-bottom: .5rem;
}
.error-msg { color: var(--gray-500, #6b7280); margin: 1rem 0 2rem; font-size: 1.05rem; }
.error-actions { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; }

/* Formula box */
.formula-box {
  background: var(--blue-50, #eff6ff);
  border: 1.5px solid var(--blue-200, #bfdbfe);
  border-left: 4px solid var(--blue-800, #1e40af);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin: 1.25rem 0;
  text-align: center;
}
.formula {
  font-family: 'Courier New', Courier, monospace;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blue-900, #1e3a8a);
  margin: .25rem 0;
}
.formula-desc { font-size: .88rem; color: var(--gray-500, #6b7280); margin: .35rem 0 0; }

/* Select field */
.select-field {
  width: 100%;
  padding: .6rem .75rem;
  border: 1.5px solid var(--gray-200, #e5e7eb);
  border-radius: 8px;
  font-size: .95rem;
  background: white;
  color: var(--gray-700, #374151);
  cursor: pointer;
}
.select-field:focus {
  outline: none;
  border-color: var(--blue-800, #1e40af);
  box-shadow: 0 0 0 3px rgba(30,64,175,.12);
}

/* Hint text */
.hint {
  font-size: .85rem;
  color: var(--gray-500, #6b7280);
  margin: .25rem 0 1rem;
  line-height: 1.5;
}

/* Content narrow */
.content-narrow { max-width: 820px; margin: 0 auto; }

/* Article hero */
article.hero { background: linear-gradient(135deg, var(--blue-800,#1e40af) 0%, #2563eb 100%); }

/* Breadcrumb */
.breadcrumb {
  background: var(--gray-50, #f9fafb);
  border-bottom: 1px solid var(--gray-100, #f3f4f6);
  padding: .6rem 0;
}
.breadcrumb-list {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: .35rem;
  list-style: none;
  padding: 0; margin: 0;
  font-size: .85rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}
.breadcrumb-item a { color: var(--blue-800, #1e40af); text-decoration: none; }
.breadcrumb-item a:hover { text-decoration: underline; }
.breadcrumb-item.active { color: var(--gray-500, #6b7280); }
.breadcrumb-item:not(:last-child)::after { content: "›"; margin-left: .35rem; color: var(--gray-400, #9ca3af); }

/* Grade pill for result */
.grade-pill {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .25rem .75rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 700;
}
.grade-pill.green { background: var(--green-100, #dcfce7); color: var(--green-700, #15803d); }
.grade-pill.red { background: var(--red-100, #fee2e2); color: var(--red-700, #b91c1c); }
.grade-pill.blue { background: var(--blue-100, #dbeafe); color: var(--blue-800, #1e40af); }


/* ── Scrollable tables on narrow screens (fixes <=390px horizontal overflow) ── */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1rem 0;max-width:100%}
.table-scroll>table{margin:0;width:100%}