/* Copyright (c) 2006-2026 afri & veit */
/* SPDX-License-Identifier: Apache-2.0 */

/* ============================================================
   FUNKFABRIK*B — Teletext Stylesheet
   Palette: authentic 1980s European teletext primaries
   ============================================================ */

:root {
  --black:  #000000;
  --white:  #FFFFFF;
  --red:    #FC0204;
  --green:  #04FE04;
  --yellow: #FCFE04;
  --cyan:   #04FEFC;
  --blue:   #0402FC;
}

@font-face {
  font-family: 'Teletext';
  src: url('/static/fonts/AEnigma.woff') format('woff');
  font-display: block;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body { overflow: hidden; }

/* ── Page ── */
body {
  background: var(--black);
  color: var(--white);
  font-family: 'Teletext', 'Courier New', monospace;
  font-size: 20px;
  line-height: 1.4;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 0 60px;
}

/* ── Screen / outer frame ── */
#screen {
  width: 100%;
  max-width: 960px;
  display: flex;
  flex-direction: column;
  border: 20px solid var(--blue);
  background: var(--black);
}

/* ── Header ── */
#header {
  background: var(--blue);
  padding: 4px 12px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

#station-name {
  color: var(--yellow);
  font-size: 22px;
  letter-spacing: 2px;
  white-space: nowrap;
}

#page-info {
  color: var(--cyan);
  flex: 1;
  text-align: center;
  font-size: 18px;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#clock {
  color: var(--white);
  font-size: 20px;
  white-space: nowrap;
  min-width: 9ch;
  text-align: right;
}

/* ── Navigation ── */
#nav {
  background: var(--black);
  padding: 6px 12px;
  border-bottom: 4px solid var(--blue);
}

#nav ul {
  display: flex;
  list-style: none;
  gap: 0;
}

#nav ul li {
  flex: 1 1 0;
  min-width: 0;
}

#nav ul li a {
  display: block;
  padding: 2px 10px;
  text-align: center;
  text-decoration: none;
  font-size: 20px;
}

/* Cycling teletext colors: red / green / yellow / cyan */
#nav ul li:nth-child(4n+1) a { color: var(--red); }
#nav ul li:nth-child(4n+2) a { color: var(--green); }
#nav ul li:nth-child(4n+3) a { color: var(--yellow); }
#nav ul li:nth-child(4n+4) a { color: var(--cyan); }

/* Active page: inverted */
#nav ul li.active a {
  background: var(--white);
  color: var(--black) !important;
}

/* ── Content viewport ── */
#viewport {
  position: relative;
  height: 440px;
  overflow: hidden;
  padding: 16px 20px;
  scrollbar-width: none;
}

#viewport::-webkit-scrollbar {
  display: none;
}

#content-scroll {
  position: relative;
  will-change: transform;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  /* Pad the bottom so the last line is not hidden behind #viewport's
     padding-bottom when scrolled to the maximum offset. */
  padding-bottom: 16px;
}

/* ── Typography ── */
h1 {
  color: var(--red);
  border-bottom: 10px solid var(--red);
  padding-bottom: 4px;
  margin-bottom: 14px;
  text-transform: uppercase;
}

h2 {
  color: var(--yellow);
  border-bottom: 6px solid var(--yellow);
  padding-bottom: 2px;
  margin: 16px 0 10px;
  text-transform: uppercase;
}

h3 {
  color: var(--cyan);
  margin: 12px 0 8px;
  text-transform: uppercase;
}

p {
  margin-bottom: 10px;
}

a {
  color: var(--white);
  text-decoration: none;
}

a:hover, a:focus {
  color: var(--yellow);
  outline: none;
}

ul, ol {
  list-style: square;
  margin: 0 0 10px 28px;
}

ul li, ol li {
  margin-bottom: 4px;
}

/* ── Forms ── */
input[type="text"],
input[type="email"],
textarea,
select {
  background: var(--black);
  color: var(--white);
  font-family: 'Teletext', 'Courier New', monospace;
  font-size: 18px;
  border: 2px solid var(--green);
  padding: 6px 8px;
  outline: none;
  width: 100%;
  margin-bottom: 8px;
  resize: vertical;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  border-color: var(--yellow);
}

label {
  display: block;
  color: var(--cyan);
  margin-bottom: 4px;
  text-transform: uppercase;
}

input[type="submit"],
button {
  background: var(--red);
  color: var(--white);
  font-family: 'Teletext', 'Courier New', monospace;
  font-size: 18px;
  border: none;
  padding: 8px 20px;
  cursor: pointer;
  text-transform: uppercase;
}

input[type="submit"]:hover,
button:hover {
  background: var(--yellow);
  color: var(--black);
}

/* ── Footer ── */
#footer {
  background: var(--blue);
  padding: 4px 12px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

#footer-hint {
  color: var(--white);
  font-size: 16px;
}

#footer-brand {
  color: var(--yellow);
  font-size: 16px;
  letter-spacing: 2px;
}

/* ── Remote control digit overlay ── */
#remote {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--black);
  border: 3px solid var(--yellow);
  color: var(--yellow);
  font-family: 'Teletext', 'Courier New', monospace;
  font-size: 48px;
  padding: 10px 24px;
  letter-spacing: 12px;
  display: none;
  z-index: 999;
  min-width: 4ch;
  text-align: center;
}

#remote.visible {
  display: block;
}

/* ── Blink animation ── */
.blink {
  animation: blink-anim 1s step-end infinite;
}

@keyframes blink-anim {
  0%, 100% { visibility: visible; }
  50%       { visibility: hidden; }
}

/* ── Utility ── */
.color-red    { color: var(--red); }
.color-green  { color: var(--green); }
.color-yellow { color: var(--yellow); }
.color-cyan   { color: var(--cyan); }
.color-white  { color: var(--white); }

.bg-red    { background: var(--red);    color: var(--black); }
.bg-green  { background: var(--green);  color: var(--black); }
.bg-yellow { background: var(--yellow); color: var(--black); }
.bg-cyan   { background: var(--cyan);   color: var(--black); }
.bg-blue   { background: var(--blue);   color: var(--white); }

hr {
  border: none;
  border-top: 4px solid var(--blue);
  margin: 12px 0;
}

/* ── Page-link list (used in index pages) ── */
.page-index {
  list-style: none;
  margin: 0;
}

.page-index li {
  margin-bottom: 6px;
}

.page-index li a {
  display: inline-block;
}

.page-index li a .pg-num {
  display: inline-block;
  min-width: 4ch;
  color: var(--cyan);
}

.page-index li a .pg-title {
  color: var(--white);
}

.page-index li a:hover .pg-title {
  color: var(--yellow);
}

/* ── Responsive media ── */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

iframe {
  max-width: 100%;
}

table {
  max-width: 100%;
}

/* ── Mobile overrides ── */
@media (max-width: 640px) {
  html, body { overflow: visible; }

  body {
    padding: 0;
    align-items: stretch;
  }

  #screen {
    border-width: 8px;
  }

  #header {
    padding: 3px 8px;
    gap: 6px;
  }

  #station-name { font-size: 18px; letter-spacing: 1px; }
  #page-info    { font-size: 15px; }
  #clock        { font-size: 16px; }

  #nav {
    padding: 4px 6px;
  }

  #nav ul li a {
    padding: 4px 2px;
    font-size: 16px;
  }

  #viewport {
    height: auto;
    min-height: 60vh;
    overflow: visible;
    padding: 12px 14px;
  }

  #footer {
    padding: 3px 8px;
  }

  #footer-hint, #footer-brand { font-size: 13px; }

  #remote {
    bottom: 12px;
    right: 12px;
    font-size: 28px;
    padding: 6px 14px;
    letter-spacing: 6px;
  }
}