* {
    margin:0;
    padding:0;
    box-sizing:border-box;
}
body {
    font-family:'Inter',sans-serif; 
    background:#fbfbfd;
    color:#212529; 
    line-height:1.5;
    padding-top: calc(60px + 42px); /* navbar 60px + breadcrumbs ~42px */
}

/* Navbar – przyklejony do góry */
.navbar {
    display:flex; 
    justify-content:space-between; 
    align-items:center;
    background:#2c3e50; 
    padding:10px 20px; 
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}
.logo {
    color:white;
    font-weight:bold;
    font-size:20px;
}
.logo a {
    color: white !important;
    text-decoration: none;
}

/* Nav links */
.nav-links ul {
    list-style:none;
    display:flex;
    gap:20px;
}
.nav-links ul li {position:relative;}
.nav-links ul li a {
    text-decoration:none;
    color:white; 
    font-weight:bold;
    padding:10px;
    display:block;
    transition: color 0.3s;
    white-space: nowrap;
}
.nav-links ul li a:hover {color:orange;}
.nav-links ul li a.active {color:#ff8c00;}

/* Dropdown desktop */
.nav-links ul li .dropdown {
    display:none; 
    position:absolute; 
    top:100%; 
    left:0; 
    background:#34495e;
    min-width:180px;
    z-index: 1200; /* wyżej niż breadcrumbs */
}
.nav-links ul li:hover .dropdown {display:block;}
.nav-links ul li .dropdown li a {
    padding:10px; 
    color:white; 
    font-weight:normal;
    font-size:14px; /* ← możesz dopasować wartość */
}
.nav-links ul li .dropdown li a:hover {background:#2c3e50;}

/* Hamburger */
.hamburger {
    display:none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 22px;
    cursor:pointer;
    z-index:1001;
}
.hamburger span {
    display:block;
    height:4px;
    background-color: orange;
    border-radius:2px;
    transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* MOBILE */
@media(max-width:768px){
    .hamburger {display:flex;}
    .nav-links {
        display:none; 
        width:100%; 
        flex-direction:column; 
        background:#2c3e50; 
        position:absolute; 
        top:60px; 
        left:0; 
        text-align:center;
    }
    .nav-links.active {display:flex;}
    .nav-links ul {flex-direction:column;}
    
    .nav-links ul li a {
        padding:8px 15px; 
        font-size:18px;
        border-top:1px solid #34495e;
    }
    .nav-links ul li .dropdown {display:none !important;}
}

/* Content */
.content {
    width:100%;
    max-width:1200px;
    margin:20px auto;
    padding:20px;
}
@media(min-width:1024px){
    .content {width:50%;}
}

/* Footer */
footer {
    background:#2c3e50;
    color:white;
    text-align:center;
    padding:15px;
    font-size:12px;
    
}

footer a {
    color:white;
    text-decoration: none;
    font-size:14px;
}

footer a:hover {
    color:white;
    font-size:14px;
}

.footer-links {
    margin-bottom: 10px;
}

.separator {
    margin: 0 0px;
    color: #ccc;
}
/* Grid linków na stronie głównej */
.link-grid {
    display:grid;
    grid-template-columns: 1fr; 
    gap:15px;
    margin-top:20px;
}

.link-box {
    display:flex;
    align-items:center;
    gap:10px;
    padding:15px;
    background:#ffffff;
    box-shadow:0 2px 5px rgba(0,0,0,0.1);
    color:#212529;
    text-decoration:none;
    font-weight:bold;
    border-radius:5px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.link-box i {
    font-size:24px;
    color:#2c3e50;
}
.link-box:hover {
    transform: translateY(-2px);
    box-shadow:0 4px 8px rgba(0,0,0,0.2);
}
@media(min-width:1024px){
    .link-grid { grid-template-columns: 1fr 1fr; }
}

.calculator {
    max-width: 600px; 
    margin: 20px auto;
    padding: 20px;
     background-color: #ffffff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    border-radius: 8px;
    
}

h1 
{text-align: center; 
color: #333;
    font-size: 16px; /* zmniejsza rozmiar nagłówka */
    
}

h2 
{text-align: left; 
color: #333;
    font-size: 16px; /* zmniejsza rozmiar nagłówka */
    
}
form {display: flex; flex-direction: column; gap: 10px;}
input[type="number"] {
    padding: 14px;
    font-size: 16px;
    margin: 6px 0;
    border: 2px solid #d1d5db; /* 👈 ciut ciemniejszy */
    border-radius: 10px;
    background: #ffffff; /* 👈 KLUCZOWE */
    transition: all 0.2s ease;
}

input[type="number"]:hover {
    border-color: #9ca3af;
}

input[type="number"]:focus {
    border-color: #27ae60;
    box-shadow: 0 0 0 2px rgba(39,174,96,0.15);
    outline: none;
}
.buttons button {
    padding: 10px;
    font-size: 16px;
    cursor: pointer;
    background-color: #f39c12;
    color: white;
    border: none;
    border-radius: 4px;
    margin-right: 10px;
    transition: background-color 0.3s;
}
.buttons button:hover { background-color: #e67e22; }

.form-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}
button[type="submit"] {
    padding: 10px;
    font-size: 16px;
    width: 120px;
    background-color: #27ae60;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button[type="submit"]:hover { background-color: #2ecc71; }
button[type="button"].reset { 
    padding: 10px;
    font-size: 16px;
    width: 120px;
    background-color: #c0392b;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button[type="button"].reset:hover { background-color: #e74c3c; }

.result p {
    font-weight: bold;
    text-decoration: underline;
    font-size: 1em;
    margin-top: 15px;
    color: #000;
}
.description { margin-top: 20px; font-size: 14px; color: #666; }
.description ol { padding-left: 20px; }

/* Mobile */
@media (max-width: 768px) {
    .calculator { width: 100%; padding: 15px; }
    .buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .time-inputs { display: flex; flex-direction: column; gap: 5px; }
    input[type="number"] { width: 100%; }
    .form-buttons { flex-direction: column; gap: 10px; width: 100%; }
    button[type="submit"], button.reset { width: 100%; }
}

/* powiększenie radio buttonów */
input[type="radio"] { width: 20px; height: 20px; margin-right: 6px; cursor: pointer; }
.unit-options label { display: block; margin: 5px 0; font-size: 16px; cursor: pointer; }
.unit-options legend { font-weight: bold; margin-bottom: 8px; }
.square-diagram, .triangle-diagram, .circle-diagram { display: flex; justify-content: center; margin: 15px 0; }

.unit-list { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 12px; }
.unit-list label { margin: 0; line-height: 1.2; }
@media (max-width: 768px) {
    .unit-list label { display: block; margin-bottom: 3px; font-size: 16px; line-height: 1.2; }
}

/* Selecty w kalkulatorach */
.custom-select {
    display: block;
    width: 100%;
    max-width: 450px;
    padding: 8px 12px;
    margin: 5px 0 15px 0;
    font-size: 16px;
    font-family: 'Roboto', sans-serif;
    border: 1px solid #ccc;
    border-radius: 6px;
    background-color: #fff;
    color: #333;
    appearance: auto;
    cursor: pointer;
    
}
.custom-select::after {
    content: "▼";
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 12px;
    color: #555;
}

/* Breadcrumbs – widoczne i przyklejone pod navbar */
.breadcrumbs-container {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 6px;
    font-size: 0.83rem;
    background: #ebebeb;
    border-bottom: 1px solid #dcdcdc;
    color: #555;
    padding: 10px 15px;
    width: 100%;
    position: fixed;
    top: 60px; /* wysokość navbar */
    left: 0;
    z-index: 900; /* niższy niż dropdown menu */
    overflow-x: auto;
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.breadcrumbs-container a { text-decoration: none; color: #555; font-weight: 500; }
.breadcrumbs-container a:hover { color: #555; }
.breadcrumbs-container .separator { color: #aaa; font-size: 0.8em; 
    margin-left: 0px;  /* odstęp po lewej */
    margin-right: 0px; /* odstęp po prawej */
}

/* Mobile – dostosowanie top jeśli navbar niższy */
@media (max-width: 1024px) {
    .breadcrumbs-container { top: 50px; }
}

/* Formularz kontaktowy – większe pola imię i e-mail */
.contact-form input[type="text"],
.contact-form input[type="email"] {
    height: 48px;         /* 🔸 zwiększona wysokość */
    font-size: 16px;      /* czytelniejsza czcionka */
    padding: 8px 12px;    /* większy wewnętrzny odstęp */
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
}
.contact-form textarea {
    font-size: 16px;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

/* Formularz kontaktowy – przyciski */
.form-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.contact-form button[type="submit"],
.contact-form button.reset {
    flex: 1;
    padding: 12px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

/* Zielony – Wyślij */
.contact-form button[type="submit"] {
    background-color: #27ae60;
}
.contact-form button[type="submit"]:hover {
    background-color: #2ecc71;
}

/* Czerwony – Wyczyść */
.contact-form button.reset {
    background-color: #c0392b;
}
.contact-form button.reset:hover {
    background-color: #e74c3c;
}

/* ============================= */
/* Pole daty – kalkulator daty porodu */
/* ============================= */
input[type="date"] {
    position: relative;
    width: 100%;
    padding: 12px 40px 12px 14px; /* miejsce po prawej na ikonę kalendarza */
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background-color: #fff;
    box-sizing: border-box;
    color: #333;
    transition: border-color 0.2s, box-shadow 0.2s;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

/* Efekt focus */
input[type="date"]:focus {
    border-color: #3498db;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.4);
    outline: none;
}

/* Ikona kalendarza (Webkit: Chrome, Safari, Edge) */
input[type="date"]::-webkit-calendar-picker-indicator {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    cursor: pointer;
    opacity: 0.8;
    filter: invert(35%) sepia(90%) saturate(300%) hue-rotate(180deg);
}

/* Powiększona ikona na mobile */
@media (max-width: 768px) {
    input[type="date"]::-webkit-calendar-picker-indicator {
        width: 28px;
        height: 28px;
        right: 8px;
    }
}

/* Firefox – dodanie własnej ikonki w tle (opcjonalnie, gdy Webkit nie obsługuje) */
input[type="date"]::-moz-focus-inner {
    border: 0;
}
input[type="date"]::after {
    content: "\1F4C5"; /* Unicode kalendarza 📅 */
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 18px;
    color: #666;
}

/* ==============================
   Blog Section
============================== */
.blog-section {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.blog-section h1 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 10px;
}

.blog-section .intro {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1rem;
    color: #555;
}

/* ==============================
   Blog Grid
============================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

/* ==============================
   Blog Item
============================== */
.blog-item {
    background: #fff;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    max-width: 100%;
    box-sizing: border-box;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* ==============================
   Miniaturka
============================== */
.blog-item img {
    width: 100%;
    max-width: 100%;
    height: 200px;
    max-height: 200px;
    object-fit: cover;
    border-radius: 8px;
    display: block;
    margin-bottom: 12px;
}

/* ==============================
   Tytuł i wstęp
============================== */
.blog-item h2 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #222;
}

.blog-item p {
    flex-grow: 1;
    font-size: 0.95rem;
    color: #555;
}

/* ==============================
   Link "Czytaj dalej"
============================== */
.read-more {
    margin-top: 10px;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.read-more:hover {
    color: #007BFF;
    text-decoration: underline;
}

/* ==============================
   Pagination
============================== */
.pagination {
    margin-top: 30px;
    text-align: center;
}

.pagination a {
    padding: 8px 12px;
    margin: 0 4px;
    border: 1px solid #ccc;
    color: #333;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.pagination a.active,
.pagination a:hover {
    background-color: #007BFF;
    color: #fff;
    border-color: #007BFF;
}

/* ==============================
   Responsive Adjustments
============================== */
@media (max-width: 600px) {
    .blog-item img {
        height: 150px;
        max-height: 150px;
    }

    .blog-item h2 {
        font-size: 1.0rem;
    }

    .blog-item p {
        font-size: 0.9rem;
    }
}

.blog-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px 0;
}

/* ==============================
   Styl pełnego artykułu
============================== */
.article-content {
    max-width: 850px;
    margin: 0 auto;
    line-height: 1.7;
    font-size: 1rem;
    color: #333;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 20px auto;
    display: block;
    object-fit: contain;
}

/* Tabela BMI */
.article-content .bmi-table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 0.95rem;
}

.article-content .bmi-table th,
.article-content .bmi-table td {
    border: 1px solid #ddd;
    padding: 10px 12px;
    text-align: left;
}

.article-content .bmi-table th {
    background-color: #f7f7f7;
    font-weight: 600;
}

.article-content .bmi-table tr:nth-child(even) {
    background-color: #fafafa;
}

.article-content ul {
    margin: 15px 0 15px 25px;
    list-style: disc;
}

.article-content h2 {
    margin-top: 30px;
    font-size: 1.0rem;
    color: #111;
}

@media (max-width: 600px) {
    .article-content {
        font-size: 0.95rem;
        padding: 0 10px;
    }

    .article-content img {
        margin: 15px auto;
    }
}
/* ============================= */
/* Najpopularniejsze kalkulatory – grid jak kategorie */
/* ============================= */

.popular-calculators {
  margin-top: 30px;
}

.popular-calculators h2 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: #212529;
}

.popular-calculators ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
}

/* desktop – 2 kolumny jak kategorie */
@media (min-width: 1024px) {
  .popular-calculators ul {
    grid-template-columns: 1fr 1fr;
  }
}

.popular-calculators li a {
  display: flex;
  align-items: center;
  padding: 14px 15px;
  background: #ffffff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  color: #212529;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
  transition: transform 0.2s, box-shadow 0.2s;
}

/* hover identyczny jak .link-box */
.popular-calculators li a:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.bmi-wrapper {
    overflow-x: auto;
    margin-top: 20px;
}

.bmi-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
    background: #ffffff;
}

.bmi-table thead {
    background: #111827;
    color: #ffffff;
}

.bmi-table th,
.bmi-table td {
    padding: 14px 16px;
    text-align: left;
}

.bmi-table th {
    font-weight: 600;
    letter-spacing: 0.5px;
}

.bmi-table tbody tr {
    border-bottom: 1px solid #f1f1f1;
    transition: background 0.2s ease;
}

.bmi-table tbody tr:hover {
    background: #f9fafb;
}

/* Kolorowe akcenty po lewej stronie */
.bmi-table tbody tr td:first-child {
    border-left: 6px solid transparent;
}

.underweight td:first-child { border-color: #3b82f6; }
.normal td:first-child { border-color: #22c55e; }
.overweight td:first-child { border-color: #f59e0b; }
.obesity td:first-child { border-color: #ef4444; }

/* Mobile */
@media (max-width: 600px) {
    .bmi-table th,
    .bmi-table td {
        padding: 10px;
        font-size: 14px;
    }
}