:root{
    --bg: #0b1220;        /* pozadí stránky */
    --panel: #0f1f3a;     /* sidebar */
    --panelb: rgba(15,31,58,.92);     /* sidebar second color */
    --panel2: #102a54;    /* header sidebaru */
    --panel2b: rgba(16,42,84,.88);    /* header sidebaru second color */
    --text: #eaf2ff;      /* text */
    --muted: #a8c3ff;     /* tlumený text */
    --accent: #4ea1ff;    /* modrý akcent */
    --accent2: #2f7de1;   /* hover */
    --table: #48f;     /* tabulky*/
    --th-bg: #248;
    --th-fg: #6af;
    --border: #444;
    --shadow: 0 16px 40px rgba(0,0,0,.35);
    --radius: 14px;
    --sidebar-w: 280px;    
    --current-menu1: rgba(78,161,255,.22);
    --current-menu2: rgba(47,125,225,.12);
    --content-background:rgba(255,255,255,.02);
    --content-border:rgba(255,255,255,.06);
    --top-bar: rgba(11,18,32,.7);
  
  }
  
:root[data-theme="light"] {
      --bg: #f6f8ff;
      --panel: #ffffff;
      --panelb: rgba(70,120,170,.88);     /* sidebar second color */
      --panel2: #f0f5ff;
      --panel2b: rgba(50,100,150,.88);    /* header sidebaru second color */
      --text: #0b1220;
      --muted: #36527a;
      --accent: #2f7de1;
      --accent2: #1f66c8;
      --table: black;     /* tabulky*/
      --th-bg: #def;
      --th-fg: black;    
      --border: #aaa;
      --shadow: 0 14px 30px rgba(11,18,32,.12);
      --current-menu1: rgba(78,161,255,.22);
      --current-menu2: rgba(47,125,225,.12);
      --content-background:rgba(0,100,128,.02);
      --content-border:rgba(0,100,128,.06);
      --top-bar: rgba(160,180,200,.7);
    }  
  
  *{ box-sizing: border-box; }
  body{
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: radial-gradient(900px 600px at 10% 10%, rgba(78,161,255,.18), transparent 60%),
                radial-gradient(900px 600px at 90% 20%, rgba(47,125,225,.12), transparent 60%),
                var(--bg);
    color: var(--text);
  }

  /* Layout */
  .layout{
    min-height: 100dvh;
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
  }

  main{
    padding: 24px;
  }

  /* ===== Sidebar ===== */
  .sidebar{
    position: sticky;
    top: 0;
    height: 100dvh;
    background: linear-gradient(180deg, var(--panel), var(--panelb));
    border-right: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 14px;
    overflow: hidden;
  }
  
 .sidebar-inner{
  height: 100%;
  overflow-y: auto;
  padding-right: 6px; /* space for scrollbar */
  
  scrollbar-width: thin;                /* Firefox */
  scrollbar-color: var(--accent) transparent;
}

.sidebar-inner::-webkit-scrollbar{
  width: 8px;
}

.sidebar-inner::-webkit-scrollbar-thumb{
  background: rgba(78,161,255,.5);
  border-radius: 999px;
}

  .brand{
    display: flex;
    align-items: center;
    gap: 10px;
    
    text-decoration: none;
    color: inherit;
    
    background: linear-gradient(180deg, var(--panel2), var(--panel2b));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 12px;
    margin-bottom: 12px;
    
    position: sticky;
    top: 0;
    z-index: 1;
    /*border-top: none;*/
  }
  
  .brand:hover{
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(78,161,255,.25);
}

.brand:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

  .logo{
    width: 34px;
    height: 34px;
    border-radius: 10px;
    /*background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.35), transparent 60%),
                linear-gradient(135deg, var(--accent), #2ad1ff);*/
    background-color: #48f;
    background-image: url("/images/profile.png");    
    background-repeat: no-repeat;
    background-size: 32px 32px;
    box-shadow: 0 10px 25px rgba(78,161,255,.2);
  }
  
  .me_logo {
      background-image: url("/images/me_profile.png");    
  }
  
  .brand strong{ display:block; font-size: 14px; letter-spacing: .2px; }
  .brand span{ display:block; font-size: 12px; color: var(--muted); }

  nav{
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px;
    background: rgba(255,255,255,.02);
  }
  
  .menuButton {
    border: 1px solid var(--border);
    border-radius: var(--radius);    
    background: rgba(255,255,255,.02);
  } 
  
  .menuButton {    
    margin-top: 5px;
    margin-right: 20px;
    margin-left: 20px;
  }
  
  .menuButton a {
      color: var(--text);
      text-decoration: none;
      padding: 10px;
      display: block;
  }

  
  .menuButton:hover{
    transform: translateY(-1px);
    background: linear-gradient(135deg, var(--current-menu1), var(--current-menu2));
    }

    .langSet a {
        display: block;
    }
  .menu{
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 6px;
  }

  .menu a{
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--text);
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform .12s ease, background .12s ease, border-color .12s ease;
  }

  .menu a:hover{
    background: rgba(78,161,255,.12);
    border-color: rgba(78,161,255,.25);
    transform: translateX(2px);
  }

  .menu a[aria-current="page"]{
    background: linear-gradient(135deg, var(--current-menu1), var(--current-menu2));
    border-color: rgba(78,161,255,.35);
  }

  .icon{
    width: 22px;
    height: 22px;
    border-radius: 8px;
    background: rgba(78,161,255,.16);
    border: 1px solid rgba(78,161,255,.24);
    display: grid;
    place-items: center;
    font-size: 12px;
    color: var(--accent);
  }

  .hint{
    margin-top: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px dashed rgba(78,161,255,.25);
    color: var(--muted);
    font-size: 12px;
  }

  /* ===== Mobile toggle (no JS) ===== */
  .topbar{
    display: none;
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 12px 14px;
    background: var(--top-bar);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
  }

  .burger{
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.04);
  }

  .burger .lines{
    width: 18px;
    height: 12px;
    position: relative;
  }
  .burger .lines::before,
  .burger .lines::after,
  .burger .lines span{
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    border-radius: 999px;
    background: var(--text);
    opacity: .9;
    transition: transform .15s ease, top .15s ease, opacity .15s ease;
  }
  .burger .lines::before{ top: 0; }
  .burger .lines span{ top: 5px; }
  .burger .lines::after{ top: 10px; }

  /* checkbox is hidden but accessible */
  #menu-toggle{
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    border: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  /* Overlay for mobile when open */
  .overlay{
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 30;
    opacity: 0;
    pointer-events: none;
    transition: opacity .15s ease;
  }

  

  
  table {
      border-collapse: collapse;      
  }
  
  table td, table th {
      border-color: var(--table);
      border-style: solid;
      border-width: 1px;
      padding: 3px;
  }
  
  table th {
      background-color: var(--th-bg);
      color: var(--th-fg);
  }
  
  main a {
      color: var(--accent);
  }
  
 main .content{
  max-width: 1024px; 
  margin-inline: auto;
  padding-inline: 16px;
  
  padding-bottom: 16px;
  
  
  background: var(--content-background);
  border-radius: 16px;
  border: 1px solid var(--content-border);
}

table.program {
    width: 100%;
}

h1, h2 {
    text-align: center;
}

/* sloupec vpravo */
.page{
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* hlavní obsah vyplní prostor */
.page main{
  flex: 1;
}

/* ===== Footer ===== */
.footer{
  margin-top: 32px;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  text-align: right;
}

.footer .content{
  max-width: 1200px;
  margin-inline: auto;
  padding: 16px;
  color: var(--muted);
  font-size: 13px;
}

.item {
    display: grid;
    grid-template-columns: 240px 1fr;
    grid-template-areas: "left right";
    gap: 30px;
    align-items: center;
    margin: auto;
    margin-bottom: 25px; 
    margin-top:25px;
    width: fit-content;    
}

.item.reversed {
    grid-template-areas: "right left";
    grid-template-columns: 1fr 240px;
}

.item {
    position: relative;
}

.item .details {
    grid-area: right;
    justify-self: center;
}
.item-php {
}

.item .screenshot {
    justify-self: center;
}

.item .screenshot {
    width: 100%;
    height: auto;
    border-radius: 12px;
    
    display: flex;
    align-items: center;
    justify-content: center;
    
    /*background-color: #888;*/
    padding: 10px;    
    grid-area: left;    
}

.item .screenshot {
    background-color: black;
}

.item.windows .screenshot {
    background-color: teal;
    background-image: url("/images/xp.jpg");
    background-size: 100% 100%;
    background-repeat: no-repeat;
}


.noscreenshot-info {
    background-color: black;
    color: white;
    width: 240px;
    height: 150px;
    
    display: flex;
    align-items: center;
    justify-content: center;
}

.item .screenshot img {
    margin: auto;
}

.details .link, 
.details .download,
.details .creationDate,
.details .platform {
    margin-top: 10px;
}

.screenshot {
    position: relative;
}

/*
.screenshot:after {
    content: " ";
    display: block;
    margin: auto;
    width: 5px;
    background-color: #888;
    position: absolute;
    left: 110px;
    bottom: -10px;
    padding: 5px;
    height:10px;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
}*/

.langSwitch-cs {
    background-image: url(/images/cs.svg);
    background-repeat: no-repeat;
    padding-left: 35px !important;
    background-position-y: 13px;
    background-position-x: 10px;
}

.langSwitch-en {
    background-image: url(/images/en.svg);
    background-repeat: no-repeat;
    padding-left: 35px !important;
    background-position-y: 13px;
    background-position-x: 12px;
}

#overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

#overlay img {
  max-width: 90%;
  max-height: 90%;
}

#close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.pozor {
    display: block;
    margin-top: 10px;
}

.pozor:before {
    content: "⚠️"
}

.menuIcon {
    display: inline-block;
    width: 20px;
    text-align: center;
}

input[type="text"] {
    background-color: var(--th-bg);
    border-color: var(--text);
    border-style: solid;
    border-width: 1px;
    color: var(--text);
}

button {
    border: 2px var(--th-bg) outset;
    background-color: var(--th-fg);
}

.field {
    margin-top: 10px;
    margin-bottom: 10px;
}

.imgPhp {
    float: right;
    margin-right: 50px;
}

.imgSchool {
    float: right;
}

.imgKaraoke {
    margin: auto;
    display: block;
}

#imgHugAwaiting {
    max-width: 100%;
    height: auto;    
}

#imgHugReceived {
    margin: auto;
    display: block;
}

.hug-cols {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 24px;
    align-items: center;
}

.hug-cols2 {
    display: grid;
    grid-template-columns: 450px 1fr;
    gap: 24px;
    align-items: center;
}

.hug-image {
    display: grid;
    place-items: center;
}

.school-cols {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 24px;
    align-items: start;
}

.school-image {
    display: grid;
    place-items: center;
}

.work-cols {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 24px;
    align-items: start;
}

.work-image {
    display: grid;
    place-items: center;
}

.imgWork {
    border-radius: 10px;
}

.wave-cols {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 24px;
    align-items: center;
}

.wave-image {
    display: grid;
    place-items: center;
}

.welcome-text {
    text-align: center;
}

#frmHug {
    margin-top: 10px;
    margin-bottom: 20px;
    display: block;
    text-align: center;
}

.total {
    text-align: center;
}

.btn{
  --btn-bg: var(--accent);
  --btn-bg-hover: var(--accent2);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;

  padding: 12px 18px;
  border-radius: 14px;
  border: 0;

  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .2px;

  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, var(--btn-bg), var(--btn-bg-hover));

  box-shadow:
    0 10px 30px rgba(78,161,255,.35),
    inset 0 1px 0 rgba(255,255,255,.25);

  transition:
    transform .12s ease,
    box-shadow .12s ease,
    filter .12s ease;
}

.btn:hover{
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.btn:active{
  transform: translateY(0);
  box-shadow:
    0 6px 16px rgba(78,161,255,.3),
    inset 0 1px 0 rgba(255,255,255,.15);
}

.btn:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn:disabled{
  opacity: .55;
  cursor: not-allowed;
  filter: none;
  box-shadow: none;
}

.field.email {    
    display: none;
}

.check{
  display: inline-flex;
  align-items: center;
  gap: 12px;

  cursor: pointer;
  user-select: none;

  font-size: 14px;
  color: var(--text);
}

/* schováme nativní checkbox, ale zachováme přístupnost */
.check input{
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* vizuální checkbox */
.check .box{
  width: 22px;
  height: 22px;
  border-radius: 6px;

  background: rgba(255,255,255,.04);
  border: 1px solid rgba(78,161,255,.35);

  display: grid;
  place-items: center;

  transition:
    background .12s ease,
    border-color .12s ease,
    box-shadow .12s ease;
}

/* fajfka */
.check .box::after{
  content: "";
  width: 10px;
  height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) scale(0);
  transition: transform .12s ease;
}

/* checked stav */
.check input:checked + .box{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(78,161,255,.4);
}

.check input:checked + .box::after{
  transform: rotate(-45deg) scale(1);
}

/* focus pro klávesnici */
.check input:focus-visible + .box{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* hover */
.check:hover .box{
  border-color: var(--accent);
}

main p {
    width: fit-content;
    margin: auto;
}

#themeBtn {
    background-image: url("/images/blackwhite.svg");
    background-repeat: no-repeat;
    background-position-y: 12px;
    background-position-x: 12px;    
    padding-left: 35px;
}

.menuButtons {
    margin-top: 20px;
}

/* Mobile behavior */
  @media (max-width: 900px){
    .layout{
      grid-template-columns: 1fr;
    }

    .topbar{ display: flex; align-items:center; justify-content: space-between; }

    .sidebar{
      position: fixed;
      top: 0;
      left: 0;
      z-index: 40;
      width: min(var(--sidebar-w), 86vw);
      transform: translateX(-105%);
      transition: transform .18s ease;
      box-shadow: var(--shadow);
    }

    main{ padding-top: 18px; }

    /* When checked => open sidebar + overlay */
    #menu-toggle:checked ~ .overlay{
      display: block;
      opacity: 1;
      pointer-events: auto;
    }
    #menu-toggle:checked ~ .layout .sidebar{
      transform: translateX(0);
    }

    /* Animate burger into X */
    #menu-toggle:checked + .topbar .burger .lines::before{ top: 5px; transform: rotate(45deg); }
    #menu-toggle:checked + .topbar .burger .lines span{ opacity: 0; }
    #menu-toggle:checked + .topbar .burger .lines::after{ top: 5px; transform: rotate(-45deg); }
    
    .item {
        display: block;        
    }
    
    .item .screenshot {        
        margin-bottom: 10px;
    }
    
    .item .screenshot.noscreenshot {
        display: none;
    }
    
    .hug-cols {
        display: block;
    }
    #imgHugAwaiting {
        max-width: 300px;
    }
    
    .wave-cols {
        display: block;
    }
    
    .school-cols {
        display: block;
    }
    
    .work-cols {
        display: block;
    }
    
    .imgWork {
        margin: 20px;
    }
    
    .imgPhp {
        float: none;
        margin: auto;
        display: block;
    }
    
    #txtHugMsg {
        width: 100%;
    }
  }