:root {
  /* App & Layout Surfaces */
  --bg-app: #f6f6f6;            /* ehem. --main-bgcolor */
  --bg-permission: #fff;     /* ehem. --perm-bgcolor */
  --bg-visualizer: #00131d;     /* ehem. --log-color */
  --bg-msg-user: #9a225d;       /* ehem. --secondary-color */
  --bg-msg-assistant: #cb1240;  /* ehem. --primary-color */

  /* Textfarben */
  --text-primary: black;        /* ehem. --perm-color */
  --text-on-surface: #fff;      /* ehem. --text-color */
  --text-on-permission: black;
  /* Focus/States */
  --focus-ring: #0049ec;        /* ehem. --focused-color */

  /* Agent Bubble (Kugel) */
  --agent-bubble-bg-start: #cb1240;  /* ehem. primary-color */
  --agent-bubble-bg-end: #9a225d;    /* ehem. secondary-color */
  --agent-bubble-glow-1: #9a225d;    /* angepasst an bubble */
  --agent-bubble-glow-2: #cb1240;

  /* Assistant Speaking Verlauf */
  --answer-gradient-start: #9a225d;  /* ehem. --answerPrimary-color */
  --answer-gradient-end: #cb1240;    /* ehem. --answerSecondary-color */

  /* Buttons – Inline (klein, im Text) */
  --btn-inline-angle: 0deg;      /* ehem. --intextButton-deg */
  --btn-inline-start: #9a225d;   /* ehem. --intextButton-color1 */
  --btn-inline-end: #cb1240;     /* ehem. --intextButton-color2 */

  /* Buttons – Groß (Call-to-Action) */
  --btn-lg-angle: 0deg;          /* ehem. --buttonGradient-deg */
  --btn-lg-start: #9a225d;       /* statt secondary */
  --btn-lg-end: #cb1240;         /* statt primary */

  /* Sonstiges */
  --accent-strong: #00131d;      /* ehem. --log-color */

  /* Safe Areas */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

/* Reset & Focus */
* { box-sizing: border-box; margin: 0; padding: 0; }
*:focus { outline: 2px solid var(--focus-ring); }

/* Body */
body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg-app);
  display: flex; flex-direction: column;
  height: 100dvh;
  overflow: hidden;
  color: var(--text-primary);
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
}

li { margin-left: 1rem; }

#main { flex: 1; display: none; overflow: hidden; }

#permission-message {
  flex: 1; display: flex;flex-direction: column; align-items: center; justify-content: center;
  font-size: 18px;
  gap: 40px;
  color: var(--text-on-permission);
  background: var(--bg-permission);
  padding: 20px; text-align: center;
}

/* Linke Seite – Visualizer */
#visualizer {
  width: 40%; flex: 0 0 40%;
  display: flex; flex-direction: column; align-items: center;
  gap: 20%; justify-content: center;
  background: var(--bg-visualizer);
}

#assistant-bubble {
  width: 180px; aspect-ratio: 1/1; border-radius: 50%;
  background:
    url("img/logoBall.svg"),
    radial-gradient(var(--agent-bubble-bg-start), var(--agent-bubble-bg-end));
  background-size: cover;
  position: relative;
  box-shadow:
    0 0 20px var(--agent-bubble-glow-1),
    0 0 40px var(--agent-bubble-glow-2);
  transition: transform .3s ease-in-out, box-shadow .3s ease-in-out;
  filter:
    drop-shadow(2px 2px 4px rgba(0,0,0,0.3)),
    drop-shadow(-2px -2px 4px rgba(255,255,255,0.2));
}

/* Zustände */
.idle { animation: idlePulse 3s ease-in-out infinite; }
@keyframes idlePulse { 0%,100% { transform: scale(1) } 50% { transform: scale(1.05) } }

.listening {
  animation: listenPulse 1.2s ease-in-out infinite;
  box-shadow:
    0 0 30px var(--agent-bubble-glow-1),
    0 0 60px var(--agent-bubble-glow-2);
}
@keyframes listenPulse { 0%,100% { transform: scale(1) } 50% { transform: scale(1.15) } }

.speaking {
  filter: url(#wave);
  animation: speakingWave 1.2s ease-in-out infinite;
  background: radial-gradient(
    circle at 30% 30%,
    var(--answer-gradient-start),
    var(--answer-gradient-end)
  );
  box-shadow:
    0 0 30px var(--answer-gradient-start),
    0 0 60px var(--answer-gradient-end) !important;
}
@keyframes speakingWave {
  0%,100% { transform: scale(1) }
  25% { transform: scale(1.1) }
  50% { transform: scale(.95) }
  75% { transform: scale(1.05) }
}

/* Rechte Seite – Konversation */
#log {
  flex: 1; padding: 20px; overflow-y: auto;
  background: var(--bg-app);
  display: flex; flex-direction: column;
}

.message {
  margin-bottom: 10px; padding: 10px 20px; border-radius: 12px;
  max-width: 75%; word-wrap: break-word; line-height: 1.45;
}

.user {
  background: var(--bg-msg-user);
  align-self: flex-start;
  color: var(--text-on-surface);
}

.assistant {
  background: var(--bg-msg-assistant);
  align-self: flex-end;
  color: var(--text-on-surface);
}

.button {
  position: relative; border-radius: 100px;
  background: linear-gradient(var(--btn-inline-angle), var(--btn-inline-start), var(--btn-inline-end));
  align-self: center; color: var(--text-on-surface); text-decoration: none; line-height: 1;
  display: inline-block; margin-bottom: 10px;
  border: 2px solid var(--accent-strong);
  padding: 10px 10px; transition: all .4s ease;
}
.button::after {
  content: attr(data-text);
  border-radius: 100px; position: absolute; display: inline-flex; inset: 0;
  background: linear-gradient(var(--btn-inline-angle), var(--btn-inline-end), var(--btn-inline-start));
  opacity: 0; transition: all 0.4s ease; justify-content: center; align-items: center;
}
.button:hover::after { opacity: 1; }

.bigbutton {
  position: relative;
  background: linear-gradient(var(--btn-lg-angle), var(--btn-lg-start), var(--btn-lg-end));
  align-self: center; color: var(--text-on-surface); text-decoration: none; line-height: 1;
  display: inline-block; margin-bottom: 10px; padding: 10px 20px; border-radius: 20px;
  font-size: large; transition: all .4s ease; overflow: hidden;
  box-shadow: 0 0 15px var(--btn-lg-start);
}
.bigbutton::after {
  content: attr(data-text); position: absolute; display: inline-flex; inset: 0;
  background: linear-gradient(var(--btn-lg-angle), var(--btn-lg-end), var(--btn-lg-start));
  opacity: 0; transition: all 0.4s ease; font-size: large; justify-content: center; align-items: center;
}
.bigbutton:hover::after { opacity: 1; }
.bigbutton:hover { box-shadow: none; }

.bigbutton.disabled {
  position: relative;
  background: linear-gradient(var(--btn-lg-angle), #9caab1, #c8d3d9);
  pointer-events: none; box-shadow: none; color: transparent;
}
.bigbutton.disabled::after {
  position: absolute; inset: 0; opacity: 1;
  background: url("img/loading.gif") no-repeat center center;
  width: 100%; height: 100%; background-size: contain; z-index: 9999; color: transparent;
}

.system { font-weight: bold }

/* Footer – Buttons */
#controls {
  padding: 15px; background: var(--bg-app); border-top: 1px solid var(--bg-app);
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
}
#controls button {
  padding: 10px 20px; font-size: 14px; border: none; border-radius: 100px;
  background: #6366f1; color: var(--text-on-surface); cursor: pointer; transition: background .2s;
}
#controls button:hover { background: #4f46e5; }

#mailInp {
  padding: 5px 20px; border-radius: 5px; width: 100%; font-size: 16px;
}

footer { display: none; }

.MailForm {
  font-size: large; display: grid; align-items: center; justify-items: center;
  background-color: var(--bg-app);
  grid-template-columns: repeat(3,1fr); width: 90%;
  grid-template-rows: auto; padding: 20px 40px; gap: 20px;
  box-shadow: 0 0 30px var(--bg-app); border-radius: 10px; grid-column: 2; line-height: 1.5;
}

#InpLabelWrapper {
  display: flex; align-self: flex-start; justify-self: flex-start;
  grid-column: 1/3; grid-row: 2/3; flex-direction: column; justify-content: center;
  font-size: small; margin-bottom: 20px;
}

#infoText { grid-column: 1/4; grid-row: 1; }
#sendMail { grid-column: 3/4; grid-row: 2; justify-self: flex-start; }

.consent {
  grid-column: 1/4; grid-row: 3; overflow: hidden; transition: all .4s;
}

/* Responsive – Mobile */
@media (max-width:1050px) {
  #sendMail { justify-self: center; }
  #mailInp { width: 80%; }
  .MailForm { font-size: small; }
}

@media (max-width:800px) {
  #main { flex-direction: column; }
  #mailInp { width: 100%; }
  #permission-message { align-items: flex-start; font-size: 14px; }

  footer {
    background-color: var(--bg-visualizer);
    transition: all .3s; flex-direction: column; align-items: center; justify-items: center;
    padding: 20px 0px; height: auto;
  }

  #visualizer { flex: 0 0 100px; width: 100%; }
  #log { border-left: none; border-top: 1px solid var(--bg-app); }
  #assistant-bubble { width: 25%; }

  .MailForm {
    font-size: large; grid-template-columns: repeat(3,1fr);
    padding: 5px 10px; gap: 5px;
  }
}

@media (max-width:442px) {
  body { font-size: small; }
  #mailInp { width: 80%; }
  .MailForm { font-size: small; }
  #sendMail { margin-right: 15px; }
}

/* Optional Dark Mode (auskommentiert)
@media (prefers-color-scheme: dark) {
  body { background: black; color: white; }
  #log { background-color: #5f7079; }
  .MailForm { background-color: #5f7079; box-shadow: 0 0 30px #5f7079; }
}
*/