/* ===== TYPEFACES - SCHRIFTARTEN EINBINDEN ================================= */

@font-face {
  font-family: 'dieKittieb_sans';
  src: url('./fonts/MerriweatherSans-VariableFont_wght.ttf') format('truetype');
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'dieKittieb_sans';
  src: url('./fonts/MerriweatherSans-Italic-VariableFont_wght.ttf') format('truetype');
  font-weight: 300 800;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'dieKittieb_serif';
  src: url('./fonts/Lora-VariableFont_wght.ttf') format('truetype');
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'dieKittieb_serif';
  src: url('./fonts/Lora-Italic-VariableFont_wght.ttf') format('truetype');
  font-weight: 300 800;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'dieKittieb_typewriter';
  src: url('./fonts/SpecialElite.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'dieKittieb_handwriting';
  src: url('./fonts/Caveat-VariableFont_wght.ttf') format('truetype');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'dieKittieb_serif_compat';
  src: url('./fonts/NotoSerif-VariableFont_wdth,wght.ttf') format('truetype');
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'dieKittieb_serif_compat';
  src: url('./fonts/NotoSerif-Italic-VariableFont_wdth,wght.ttf') format('truetype');
  font-weight: 300 800;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'dieKittieb_sans_compat';
  src: url('./fonts/NotoSans-VariableFont_wdth,wght.ttf') format('truetype');
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'dieKittieb_sans_compat';
  src: url('./fonts/NotoSans-Italic-VariableFont_wdth,wght.ttf') format('truetype');
  font-weight: 300 800;
  font-style: italic;
  font-display: swap;
}

/* ===== VARIABLENDEFINITION ================================================ */

:root {
  /* --- Schriften ---------------------------------------------------------- */

  --tf-sans: "dieKittieb_sans_compat", sans-serif;
  --tf-serif: "dieKittieb_serif_compat", serif;
  --tf-handwriting: "dieKittieb_handwriting", serif;
  --tf-typewriter: "dieKittieb_typewriter", monospace;

  /* --- sonstige globale Variablen ----------------------------------------- */

  --nav-transition-speed: 0.3s;

  /* --- Farbpalette Hauptmodus --------------------------------------------- */

  --color-fg:              hsl(0deg 0% 10%);   /* fast schwarz (Text) */
  --color-fg-vivid:        hsl(0deg 0% 0%);    /* schwarz (max. Kontrast) */
  --color-fg-muted:        hsl(39deg 15% 15%); /* dezentes warmes dunkelgrau */

  --color-bg:              hsl(0deg 0% 95%);   /* fast weiß */
  --color-bg-vivid:        hsl(0deg 0% 100%);  /* reines weiß */
  --color-bg-muted:        hsl(39deg 20% 90%); /* dezentes, warmes hellgrau */

  --color-primary:         hsl(27deg 80% 50%);
  --color-primary-vivid:   hsl(27deg 90% 55%); /* +5% heller */
  --color-primary-muted:   hsl(27deg 70% 45%); /* -5% dunkler */

  --color-secondary:       hsl(38deg 87% 60%);
  --color-secondary-vivid: hsl(38deg 87% 65%); /* +5% heller */
  --color-secondary-muted: hsl(38deg 87% 55%); /* -5% dunkler */

}

/* ----- Variablen für alternativen Farbmodus ------------------------------- */
[data-theme="dark"] {
  --color-fg:              hsl(0deg 0% 90%);
  --color-fg-vivid:        hsl(0deg 0% 100%);
  --color-fg-muted:        hsl(39deg 10% 80%);

  --color-bg:              hsl(0deg 0% 10%);
  --color-bg-vivid:        hsl(0deg 0% 0%);
  --color-bg-muted:        hsl(39deg 10% 15%);

  --color-primary:         hsl(38deg 90% 60%);
  --color-primary-vivid:   hsl(38deg 100% 65%);
  --color-primary-muted:   hsl(38deg 80% 55%);

  --color-secondary:       hsl(27deg 80% 50%);
  --color-secondary-vivid: hsl(27deg 90% 55%);
  --color-secondary-muted: hsl(27deg 70% 45%);
}

/* ----- NORMALIZE.CSS / Grundlegende Einstellungen ------------------------- */

*, *::before, *::after {
  box-sizing: border-box;
}
* {
  margin: 0;
}
body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}
input, button, textarea, select {
  font: inherit;
}
p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

.kbd {
  display: inline-block;
  padding: 0.2em 0.5em;
  margin: 0 0.15em;
  font-family: monospace;
  font-size: 1.15rem;
  line-height: 1;
  border: 1px solid var(--color-fg);
  border-radius: 4px;
  box-shadow: inset 0 -1px 0 var(--color-fg-muted);
  white-space: nowrap;
}

/* ----- UTILITY KLASSEN ---------------------------------------------------- */

.u-tf-sans { font-family: var(--tf-sans); }
.u-tf-serif { font-family: var(--tf-serif); }
.u-tf-hand { font-family: var(--tf-handwriting); }
.u-tf-typewriter { font-family: var(--tf-typewriter); }

.u-alignCentered { text-align: center; }
.u-alignRight { text-align: right; }

.u-hidden { display: none !important; }
.u-hiddenVisually {
  border: 0 !important;
  clip: rect(0 0 0 0) !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  padding: 0 !important;
  position: absolute !important;
}

/* ===== ALLGEMEINER BEREICH ================================================ */

body {
  font-family: var(--tf-sans);
  color: var(--color-fg);
  background-color: var(--color-bg-muted);
}

.wrapper {
  max-width: 75rem;
  margin: 0 auto;
  background-color: var(--color-bg);
}

/* ----- Skiplink für Screenreader ------------------------------------------ */

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background-color: var(--color-primary-vivid);
  color: var(--color-bg-vivid);
  padding: 0.5rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  top: 0;
}

/* ----- Headlines: Layout -------------------------------------------------- */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--tf-serif);
  font-weight: 700;
  margin: 1.5em 0 0.5em;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.20rem; }
h5 { font-size: 1.15rem; }
h6 { font-size: 1rem; }

/* ----- Absätze ------------------------------------------------------------ */

p {
  margin-bottom: 1rem;
}

/* ----- Listen ------------------------------------------------------------- */

ul, ol {
  margin: 0 0 1rem 2rem;
  padding: 0;
}

ul {
  list-style-type: disc;
}

ol {
  list-style-type: decimal;
}

li {
  margin-bottom: 0.5rem;
}

/* --- Hervorhebungen & Inline-Elemente ------------------------------------- */

strong, b {
  font-weight: 700;
}

em, i {
  font-style: italic;
}

blockquote {
  font-family: var(--tf-serif);
  font-style: italic;
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  border-left: 4px solid var(--color-primary-muted);
  background-color: var(--color-bg-muted);
}

code {
  font-family: var(--tf-typewriter);
  font-size: 0.95em;
  background-color: var(--color-bg-muted);
  padding: 0.1rem 0.25rem;
  border-radius: 4px;
}

pre {
  font-family: var(--tf-typewriter);
  background-color: var(--color-bg-muted);
  padding: 1rem;
  overflow-x: auto;
  border-radius: 6px;
  margin-bottom: 1rem;
}

/* ----- Links: Layout und Verhalten ---------------------------------------- */

a {
  color: var(--color-primary);
  text-decoration: underline;
  font-weight: 500;
  outline-color: transparent;
}
a:visited {
  color: var(--color-primary-muted);
  text-decoration-style: dotted;
}
a:focus {
  outline: 2px solid var(--color-primary-vivid);
  outline-offset: 2px;
}
a:hover {
  color: var(--color-primary-vivid);
  background-color: var(--color-bg-muted);
}
a:active {
  color: var(--color-primary-vivid);
  background-color: var(--color-bg-muted);
  outline-color: var(--color-primary-vivid);
}

a[href^="http"]::after,
a[href^="mailto"]::before,
a[href^="tel"]::before {
  font: var(--fa-font-solid);
  display: inline-block;
  margin-inline: 0.45em;
  content: "";
}
a[href^="http"]:not(:has(img))::after { content: "\f08e"; }
a[href^="mailto"]::before { content: "\f0e0"; }
a[href^="tel"]::before { content: "\f095"; }

/* ===== HEADER-Bereich ===================================================== */

.header {
  display: grid;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border-bottom: 3px solid var(--color-primary);
  background-color: var(--color-bg-vivid);
}

/* ----- Navigationsbereich und Navbar -------------------------------------- */

.nav {
  transition: opacity var(--nav-transition-speed);
}

/* ----- Navigation im Mobile Layout (max-width: 767px) --------------------- */

@media (max-width: 767px) {
  .header {
    grid-template-columns: 1fr 4fr 1fr;
    grid-template-rows: auto auto;
    grid-template-areas:
    "nav-toggle logo theme-toggle"
    "nav nav nav";
  }

  .header-controls {
    display: contents;
  }

  .header__nav-toggle {
    grid-area: nav-toggle;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    cursor: pointer;
  }

  .header__theme-toggle {
    grid-area: theme-toggle;
    display: inline-block;
    background-color: var(--color-bg);
    color: var(--color-fg);
    border: 2px solid var(--color-fg);
    border-radius: 4px;
    width: 5rem;
    font-weight: 300;
    vertical-align: middle;
    text-align: center;
  }

  .logo {
    grid-area: logo;
    text-align: center;
    max-height: 100px;
  }

  .nav {
    grid-area: nav;
    display: none;
  }

  .nav.active {
    display: block;
  }
  .nav__list {
    list-style-type: none;
  }

  .nav__item {
    padding: 0.5rem 2rem;
    text-transform: uppercase;
    font-weight: 800;
    border-bottom: 1px solid var(--color-primary);
  }

  .nav__item--has-submenu {
    position: relative;
  }

  .nav__item--has-submenu > .nav__submenu-toggle {
    position: absolute;
    top: 50%;
    right: 2rem;
    transform: translateY(-50%);
  }

  .nav__item a {
    text-decoration: none;
  }

  .nav__item--has-submenu > a {
    padding-right: calc(1.15rem + 0.5rem);
  }

  .nav__submenu {
    list-style-type: none;
  }
}

/* ----- Navigation im Desktop Layout (min-width: 768px) -------------------- */

@media (min-width: 768px) {
  .header__nav-toggle {
    display: none;
  }

  .header {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto 1fr;
    grid-template-areas:
    "logo controls"
    "logo nav";
  }

  .logo {
    grid-area: logo;
    justify-self: start;
    align-self: start;
    max-height: 100px;
  }

  .header-controls {
    grid-area: controls;
    justify-self: end;
    align-self: start;
  }

  .nav {
    grid-area: nav;
    justify-self: stretch;
    align-self: stretch;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-end;
  }

  .nav__list {
    margin: 0;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap-reverse;
    gap: 1rem;
    justify-content: flex-end;
    align-items:flex-end;
    list-style-type: none;
  }

  .nav__item {
    margin: 0;
    flex-shrink: 0;
    white-space: nowrap;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
  }

  .nav__item--has-submenu {
    position: relative;
  }

  .nav__item a {
    text-transform: uppercase;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.15rem;
    padding: 0.5rem 1rem;
    white-space: nowrap;
  }

  .nav__submenu {
    position: absolute;
    top: 100%;
    left: calc(-2rem);
    margin-top: 0.25rem;
    z-index: 51;
    list-style-type: none;
    background-color: var(--color-bg-vivid);
  }

  .nav__submenu li {
    border-left: 3px solid var(--color-primary);
    margin: 0;
    padding: 0;
  }

  .nav__submenu a {
    display: inline-block;
    width: 100%;
  }
}

/* ----- Zustände und Interaktionen ----------------------------------------- */

.header__nav-toggle.open .hamburger {
  background-color: var(--color-primary-muted);
}

.nav__submenu {
  display: none;
  transition: opacity var(--nav-transition-speed);
}

.nav__submenu-toggle[aria-expanded="true"] + .nav__submenu,
.nav__submenu.active {
  display: block;
}

button:focus,
.nav__item a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ----- Hamburger Button --------------------------------------------------- */

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  position: relative;
  transition: background-color var(--nav-transition-speed);
}

.hamburger::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform var(--nav-transition-speed), opacity var(--nav-transition-speed);
}

.hamburger::after {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform var(--nav-transition-speed), opacity var(--nav-transition-speed);
}

.header__nav-toggle.open .hamburger {
  background-color: transparent;
}
.header__nav-toggle.open .hamburger::before {
  transform: translateY(8px) rotate(45deg);
}
.header__nav-toggle.open .hamburger::after {
  transform: translateY(-8px) rotate(-45deg);
  opacity: 1;
}

/* ----- Submenu Toggle Button ---------------------------------------------- */

.nav__submenu-toggle {
  background-color: var(--color-bg-vivid);
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  color: var(--color-primary);
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  margin-right: 0.5rem;
}
.nav__submenu-toggle .submenu-icon {
  display: inline-block;
  width: 0px;
  height: 0px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 8px solid var(--color-primary); /* Farbe des Dreiecks */
  transition: transform var(--nav-transition-speed);
}
.nav__submenu-toggle[aria-expanded="true"] .submenu-icon {
  transform: scaleY(-1);
}

/* ----- Theme-Wechsel-Button ----------------------------------------------- */

.header__theme-toggle {
  display: inline-block;
  font-weight: 300;
  width: 5rem;
  vertical-align: middle;
  text-align: center;
  font-size: 0.9rem;
  background-color: var(--color-bg-vivid);
  color: var(--color-fg);
  border: 2px solid var(--color-fg);
  border-radius: 5px;
  transition-duration: var(--nav-transition-speed);
}

.header__theme-toggle:hover {
  color: var(--color-fg-vivid);
  border: 2px solid var(--color-fg-vivid);
}

.header__theme-toggle:active {
  background-color: var(--color-bg-muted);
}

/* ===== FOOTER ============================================================= */

.footer {
  background-color: var(--color-bg);
  border-top: 3px solid var(--color-primary);
}

.footer__container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer__colgroup {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer__col {
  flex: 1;
  text-align: center;
}

.footer__col ul {
  list-style-type: none;
  margin: 0;
  padding: 0.5rem 1rem;
}

.socialMediaWrapper {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-start;
  gap: 1rem;
}

.socialMediaWrapper a[href^="http"] {
  font-size: 2rem;
}

.socialMediaWrapper a[href^="http"]::after {
  content: "";
  margin-inline: 0;
}

.footer__bottomline {
  text-align: center;
  font-size: 0.9rem;
  border-top: 1px solid var(--color-fg-muted);
  padding-top: 1rem;
  background-color: var(--color-bg-vivid);
}

@media (min-width: 768px) {
  .footer__colgroup {
    flex-direction: row;
  }
}

/* ===== MAIN-Bereich ======================================================= */

main {
  padding: 1rem 0;
}

section {
  margin-bottom: 2rem;
  padding: 0 2rem;
}

/* ===== SIMPLE-CHAT ======================================================== */

.chatContainer {
  display: grid;
  gap: 0.75rem;
  align-items: start;
  padding: 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-fg-muted);
  border-radius: 8px;
  grid-template-areas:
    "model"
    "temp"
    "sysmsg"
    "resethelp"
    "chatverlauf"
    "input"
    "send"
    "status";
}

/* Toolbar (Modell, Neu, Anleitung) */
.chatContainer select,
.chatContainer textarea,
.chatContainer input[type="text"],
.chatContainer button {
  padding: 0.5rem 0.75rem;
  border: 1.5px solid var(--color-fg);
  border-radius: 6px;
  background: var(--color-bg-vivid);
  color: var(--color-fg);
}
.chatContainer button {
  cursor: pointer;
  font-weight: 600;
}
.chatContainer button:hover {
  background: var(--color-bg-muted);
}
.chatContainer button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#chatUserMessageInput {
  min-height: 8rem;          /* initial größer */
  line-height: 1.4;
  resize: vertical;          /* Nutzer darf vergrößern */
  width: 100%;
  box-sizing: border-box;
}

/* Statuszeile */
#chatStatusZeile {
  padding: 0.4rem 0.6rem;
  border: 1px dashed var(--color-fg-muted);
  border-radius: 6px;
  background: var(--color-bg-vivid);
}

/* Hilfe-Panel */
#helpPanel[hidden] { display: none; }
#helpPanel {
  border: 1px solid var(--color-fg-muted);
  border-radius: 8px;
  background: var(--color-bg-vivid);
  padding: 0.75rem 1rem;
}
#helpPanel h2 { margin-top: 0; }

#helpPanel dt {
  padding-bottom: 0.25rem;
  font-size: 1.15rem;
}

#helpPanel dd {
  padding-left: 2rem;
  margin-bottom: 0.75rem;
}

/* Chatfenster */
#chatWindow {
  max-height: 60vh;          /* genug Platz, aber scrollbar */
  min-height: 30vh;
  overflow: auto;
  padding: 0.75rem;
  border: 2px solid var(--color-fg);
  border-radius: 8px;
  background: var(--color-bg-vivid);
  scrollbar-gutter: stable;  /* verhindert Layoutsprünge */
}

/* Nachrichten */
.msg {
  padding: 0.6rem 0.75rem;
  margin-bottom: 0.5rem;
  border-radius: 8px;
  outline: none;             /* wir setzen eigenen Focusring */
  word-break: break-word;
  background: var(--color-bg-muted);
  border: 1px solid var(--color-fg-muted);
  white-space: pre-wrap;
}
.msg:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  background: var(--color-bg-vivid);
}

/* visuelle Differenzierung */
.msg-user {
  border: 1px solid var(--color-primary-muted);
  border-left: 4px solid var(--color-primary-muted);
}
.msg-assistant {
  border: 1px solid var(--color-secondary-muted);
  border-left: 4px solid var(--color-secondary-muted);
}
.msg-system {
  font-style: italic;
  opacity: 0.9;
  border-left: 4px solid var(--color-fg-muted);
}

.chatContainer {
  grid-template-columns: 1fr auto auto;
  grid-template-areas:
    "model model reset"
    "chatverlauf chatverlauf chatverlauf"
    "input input input"
    "send send send"
    "status status status"
    "temp temp temp"
    "sysmsg sysmsg sysmsg";
}


/* Eingabe + Senden nebeneinander (ab md) */
@media (min-width: 640px) {
  .chatContainer {
    grid-template-columns: 1fr 1fr auto auto;
    grid-template-areas:
      "model model reset help"
      "chatverlauf chatverlauf chatverlauf chatverlauf"
      "input input input send"
      "status status status status"
      "temp sysmsg sysmsg sysmsg";
  }
}

/* Element-Zuweisungen für Desktop */
#modelSelect { grid-area: model; }
#advTemp     { grid-area: temp;  }
#advSysMsg   { grid-area: sysmsg;}
#resetButton { grid-area: reset; }
#helpToggle  { grid-area: help;  }
#chatWindow  { grid-area: chatverlauf; }
#chatUserMessageInput { grid-area: input; }
#sendButton  { grid-area: send;  }
#chatStatusZeile { grid-area: status; }

.kbd {
  background: var(--color-bg-vivid);
  border-color: var(--color-fg-muted);
  box-shadow: inset 0 -1px 0 var(--color-bg-muted);
}


#advSysMsg { width:100%; min-height:6rem; box-sizing: border-box; }
#advTemp { width:6rem; justify-self:start; }
#chatStatusZeile { display:flex; gap:.75rem; align-items:center; }
#chatStatusZeile .status-msg { flex:1 1 auto; }
#chatStatusZeile .status-metrics { flex:0 0 auto; opacity:.8; }