:root {
  --brand: #007aff;
  --preview-theme-color: var(--brand);
  /* Light Mode Colors */
  --text-primary: #1c1c1e;
  --text-secondary: #8a8a8e;
  --bg-main: #f2f2f7;
  --bg-panel: #ffffff;
  --border-color: #e5e5ea;
  --bg-component: #f2f2f7;

  /* Fallback for preview - will be overridden by JS */
  --preview-bg-panel: var(--bg-panel);
  --preview-bg-card: color-mix(in srgb, var(--preview-theme-color) 10%, #f9f9f9);
  --preview-border-color: color-mix(in srgb, var(--preview-theme-color) 20%, #e5e5ea);
  --preview-bg-component: color-mix(in srgb, var(--preview-theme-color) 20%, #f0f0f0);
}

body, html {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  height: 100%;
}

.layout {
  display: flex;
  height: 100vh;
  gap: 24px;
  padding: 24px;
  box-sizing: border-box;
}

.chat-panel {
  width: 380px;
  flex-shrink: 0;
  background-color: var(--bg-panel);
  border-radius: 24px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.chat-header {
  font-size: 20px;
  font-weight: 700;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
}

.chat-header .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--brand);
  margin-right: 12px;
  box-shadow: 0 0 10px var(--brand);
  transition: background-color .4s ease, box-shadow .4s ease;
}

.messages {
  flex-grow: 1;
  overflow-y: auto;
  padding-right: 10px;
}

.msg {
  padding: 12px 16px;
  border-radius: 18px;
  line-height: 1.5;
  margin-bottom: 12px;
  max-width: 90%;
}

.msg.ai {
  background-color: var(--bg-component);
  border-top-left-radius: 4px;
}

.msg.me {
  background-color: var(--brand);
  color: white;
  margin-left: auto;
  border-top-right-radius: 4px;
  transition: background-color .4s ease;
}

.composer {
  display: flex;
  margin-top: 16px;
}

.composer input {
  flex-grow: 1;
  border: none;
  background-color: var(--bg-component);
  color: var(--text-primary);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 16px;
  outline: none;
}

.composer button {
  border: none;
  background-color: var(--brand);
  color: white;
  border-radius: 12px;
  padding: 0 20px;
  margin-left: 10px;
  cursor: pointer;
  font-weight: 600;
  transition: background-color .4s ease;
}

.preview-panel {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  background-color: transparent;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  transition: none;
}

.card {
  background-color: var(--preview-bg-card);
  border: 1px solid var(--preview-border-color);
  border-radius: 24px;
  padding: 30px;
  width: 100%;
  max-width: 600px;
  margin: auto;
  transition: background-color .4s ease, border-color .4s ease, opacity 0.4s ease, transform 0.4s ease;
  position: relative;
  overflow: hidden;
}

.card-content-wrapper {
  display: flex;
  flex-direction: column; /* Default to column for creation mode */
  align-items: center; /* Center content in creation mode */
  gap: 24px;
  height: 100%;
}

/* State management */
.card.is-blank {
  opacity: 0;
  transform: scale(0.98);
  pointer-events: none;
}

.card.is-blank .card-content-wrapper,
.card.is-title-only .card-content-wrapper,
.card.is-loading .card-content-wrapper {
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
}

.card.is-blank .title {
  opacity: 0;
  transform: translateY(10px);
}

.card.is-title-only .title,
.card.is-loading .title,
.card.is-ready .title {
  opacity: 1;
  transform: translateY(0);
}

.card.is-loading .loader {
  opacity: 1;
  pointer-events: all;
}

.card.is-ready .card-content-wrapper {
  opacity: 1;
  transform: translateY(0);
}

.title {
  font-size: 24px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
  margin: 0 0 30px 0;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.loader {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--preview-bg-card);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--preview-theme-color, var(--brand));
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

#loaderCountdown {
    font-size: 24px;
    font-weight: 600;
    color: var(--preview-theme-color, var(--brand));
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.pwInputWrapper {
  position: relative;
  margin-bottom: 16px;
}

.pwInput {
  width: 100%;
  padding: 16px 50px 16px 20px;
  box-sizing: border-box;
  font-size: 18px;
  border-radius: 12px;
  border: 1px solid var(--preview-border-color);
  background-color: var(--preview-bg-component);
  color: var(--text-primary);
  outline: none;
  transition: border-color .2s, box-shadow .2s, background-color .4s ease;
}

.pwInput:focus {
  border-color: var(--preview-theme-color);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--preview-theme-color) 20%, transparent);
}

.togglePwdBtn {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 22px;
  cursor: pointer;
}

.strength {
  height: 10px;
  background-color: var(--preview-bg-component);
  border-radius: 5px;
  margin-bottom: 20px;
  overflow: hidden;
  transition: background-color .4s ease;
}

.strength::after {
  content: '';
  display: block;
  height: 100%;
  width: var(--strength-percent, 0%);
  background-color: var(--strength-color, #ff4d6d);
  border-radius: 5px;
  transition: width .3s ease, background-color .3s ease;
}

.rules {
  list-style: none;
  padding: 0;
  margin: 0;
}

.rules li {
  padding: 12px 16px;
  background-color: var(--preview-bg-component);
  border-radius: 10px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
  transition: background-color .4s ease;
}

.summary {
  text-align: center;
  margin-top: 20px;
  color: var(--text-secondary);
  font-size: 14px;
}

.publish {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--preview-theme-color);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 10px 20px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color .4s ease;
}

.editBtn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: #fff;
  color: #111;
  border: none;
  border-radius: 12px;
  padding: 10px 20px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Publish Mode */
body.mode-publish .chat-panel {
  display: none;
}

body.mode-publish .preview-panel {
  width: 100%;
  max-width: 100%;
  border-left: none;
}

body.mode-publish .publish {
  display: none;
}

body.mode-publish .preview-panel {
  margin-right: 0;
  background-color: var(--bg-main);
  /* Ensure the preview panel and card take up full height */
  height: calc(100vh - 48px); 
}

body.mode-publish .card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

body.mode-publish .card-content-wrapper {
    flex-grow: 1;
}

/* Vault-specific Styles */
.vault-interaction-panel {
    display: flex;
    flex-direction: row; /* Buttons left, Vault right */
    align-items: center;
    gap: 24px;
    width: 100%;
    justify-content: center;
}

.vault-container {
  display: flex;
  flex-direction: column; 
  gap: 24px;
  align-items: center;
  margin-bottom: 0;
}

.buttons-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.button-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
}

.button-toggle label {
  font-weight: 500;
  font-size: 16px;
}

/* Simple switch toggle */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 28px;
}
.switch input { 
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
  border-radius: 28px;
}
.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}
input:checked + .slider {
  background-color: var(--preview-theme-color, var(--brand));
}
input:checked + .slider:before {
  transform: translateX(22px);
}

.vault-door {
  width: 200px;
  height: 200px;
  border: 8px solid #718096;
  border-radius: 50%;
  position: relative;
  background: linear-gradient(145deg, #e2e8f0, #f7fafc);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2), inset 0 0 15px rgba(0,0,0,0.3);
  transition: all 0.4s ease;
  display: flex;
  justify-content: center;
  align-items: center;
}

.vault-door .handle {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(145deg, #a0aec0, #718096);
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  transition: all 0.4s ease;
  z-index: 1;
}

.vault-door::before { /* Decorative lock ring */
    content: '';
    position: absolute;
    width: 80px;
    height: 80px;
    border: 4px solid #a0aec0;
    border-radius: 50%;
}

.vault-door.is-unlocked {
  border-color: #68d391;
  box-shadow: 0 0 25px #68d391, inset 0 0 15px rgba(0,0,0,0.3);
  background: transparent; /* This will reveal the text */
}

.vault-door.is-unlocked .handle {
  transform: rotate(180deg);
  background: linear-gradient(145deg, #68d391, #38a169);
  opacity: 0; /* Hide handle when unlocked */
}

.vault-door.is-unlocked::before {
    opacity: 0; /* Hide lock ring when unlocked */
}

.secret-message {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  transition: opacity 0.4s ease;
}

.vault-door.is-unlocked .secret-message {
  opacity: 1;
}

.truth-table-container {
  margin-top: 0; 
  width: 100%; /* Take full width in column layout */
  flex-grow: 1;
  height: auto; /* Allow it to take space */
  overflow-y: auto; 
  padding-right: 16px; 
}

.truth-table-container h4 {
    margin: 0 0 12px;
    font-size: 16px;
}

.truth-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.truth-table th, .truth-table td {
  border: 1px solid var(--preview-border-color);
  padding: 8px 12px;
  text-align: center;
}
.truth-table th {
  background-color: var(--preview-bg-component);
}
.truth-table .result-open {
  color: #2f855a;
  font-weight: 600;
}
.truth-table .result-closed {
  color: #c53030;
  font-weight: 600;
}
.truth-table tr.is-active-row {
  background-color: color-mix(in srgb, var(--preview-theme-color, var(--brand)) 20%, transparent);
}

/* Publish Mode */
body.mode-publish .card-content-wrapper {
    flex-direction: row; /* Switch to row for published mode */
    justify-content: center;
    align-items: center;
}

body.mode-publish .truth-table-container {
    display: none; /* Hide truth table in publish mode */
}

body.mode-publish .buttons-panel {
    order: 2; /* Move buttons to the right of the vault */
}
body.mode-publish .vault-container {
    order: 1; /* Keep vault on the left */
}

.preview {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: var(--preview-theme-color);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-weight: 600;
  cursor: pointer;
}

/* Preview Mode (reuse mode-publish styles) */
body.mode-preview .chat-panel { display: none; }
body.mode-preview .preview-panel { width: 100%; max-width: 100%; }
body.mode-preview .truth-table-container { display: none; }
body.mode-preview .preview { display: none; }
body.mode-preview .card { height: 100%; display: flex; flex-direction: column; }
body.mode-preview .card-content-wrapper { flex-grow: 1; flex-direction: row; justify-content: center; align-items: center; }