/* Color Palette: #4A4A4A, #CBCBCB, #FFFFE3, #6D8196 */
:root {
  --c-charcoal: #4A4A4A;
  --c-clay-grey: #CBCBCB;
  --c-warm-light: #FFFFE3;
  --c-slate-blue: #6D8196;

  /* Light Theme (Default) */
  --bg-main: #CBCBCB;
  --card-bg: #CBCBCB;
  --text-main: #2A2A2A;
  --text-heading: #4A4A4A;
  --text-muted: #5C5C5C;
  --accent-blue: #6D8196;
  --accent-text: #FFFFE3;
  
  /* Input & Output Box Styling */
  --field-bg: #F4F4E8;
  --field-text: #1F1F1F;
  --field-placeholder: #7A7A7A;

  /* Claymorphism 3D Shadows */
  --clay-outer: 10px 10px 22px #a8a8a8, -10px -10px 22px var(--c-warm-light);
  --clay-card-inset: inset 3px 3px 6px rgba(255, 255, 227, 0.8), inset -3px -3px 6px rgba(74, 74, 74, 0.2);
  --clay-btn-outer: 5px 5px 12px #a8a8a8, -5px -5px 12px var(--c-warm-light);
  --clay-btn-inset: inset 2px 2px 4px rgba(255, 255, 227, 0.9), inset -2px -2px 4px rgba(74, 74, 74, 0.25);
  --clay-field-inset: inset 4px 4px 8px rgba(74, 74, 74, 0.25), inset -3px -3px 6px rgba(255, 255, 227, 0.9);
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-main: #23272C;
  --card-bg: #353B42;
  --text-main: #FFFFE3;
  --text-heading: #FFFFE3;
  --text-muted: #CBCBCB;
  --accent-blue: #6D8196;
  --accent-text: #FFFFE3;

  --field-bg: #1C2025;
  --field-text: #FFFFFF;
  --field-placeholder: #8C98A6;

  --clay-outer: 10px 10px 24px #14171A, -8px -8px 20px #424952;
  --clay-card-inset: inset 3px 3px 6px rgba(255, 255, 227, 0.15), inset -3px -3px 6px rgba(0, 0, 0, 0.5);
  --clay-btn-outer: 5px 5px 12px #14171A, -4px -4px 10px #464F59;
  --clay-btn-inset: inset 2px 2px 4px rgba(255, 255, 227, 0.2), inset -2px -2px 4px rgba(0, 0, 0, 0.4);
  --clay-field-inset: inset 4px 4px 8px rgba(0, 0, 0, 0.6), inset -2px -2px 5px rgba(255, 255, 227, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

/* Header */
.app-header {
  width: 100%;
  max-width: 1000px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.app-title {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.5px;
}

.brand-logo {
  width: 30px;
  height: 30px;
  color: var(--c-slate-blue);
  filter: drop-shadow(1px 2px 3px rgba(0, 0, 0, 0.15));
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.mode-badge {
  background: var(--card-bg);
  box-shadow: var(--clay-btn-outer), var(--clay-btn-inset);
  color: var(--text-heading);
  padding: 0.45rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
}

/* Balanced Horizontal Workspace */
.translator-container {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  width: 100%;
  max-width: 1000px;
  height: 420px;
  max-height: 55vh;
}

/* 3D Clay Cards */
.clay-card {
  flex: 1;
  background-color: var(--card-bg);
  border-radius: 24px;
  box-shadow: var(--clay-outer), var(--clay-card-inset);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.panel-title {
  font-size: 0.88rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-heading);
}

.clay-select {
  background: var(--card-bg);
  color: var(--text-heading);
  border: none;
  outline: none;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.45rem 0.8rem;
  border-radius: 12px;
  box-shadow: var(--clay-btn-outer), var(--clay-btn-inset);
  cursor: pointer;
}

/* Text Input & Output Areas */
.clay-input {
  flex: 1;
  width: 100%;
  background-color: var(--field-bg);
  color: var(--field-text) !important;
  border: none;
  outline: none;
  border-radius: 16px;
  padding: 1rem;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  resize: none;
  box-shadow: var(--clay-field-inset);
  overflow-y: auto;
}

.clay-input::placeholder {
  color: var(--field-placeholder) !important;
  opacity: 1;
}

.output-box {
  user-select: text;
  word-break: break-word;
}

/* Action Controls */
.panel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  gap: 0.5rem;
}

.clay-btn {
  background: var(--card-bg);
  color: var(--text-heading);
  border: none;
  outline: none;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.6rem 1.1rem;
  border-radius: 14px;
  box-shadow: var(--clay-btn-outer), var(--clay-btn-inset);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.clay-btn:hover {
  transform: translateY(-2px);
}

.clay-btn:active {
  transform: translateY(1px);
  box-shadow: var(--clay-field-inset);
}

.theme-btn {
  padding: 0.45rem 0.75rem;
  border-radius: 50px;
  font-size: 1.1rem;
}

.btn-primary {
  background: var(--accent-blue);
  color: var(--accent-text);
}

/* Horizontal Responsive Adjustment on Phones */
@media (max-width: 768px) {
  body {
    padding: 0.5rem;
  }
  .app-header {
    margin-bottom: 0.5rem;
  }
  .app-title {
    font-size: 1.15rem;
  }
  .brand-logo {
    width: 24px;
    height: 24px;
  }
  .translator-container {
    gap: 0.4rem;
    height: 360px;
    max-height: 52vh;
  }
  .clay-card {
    padding: 0.75rem;
    border-radius: 16px;
  }
  .clay-input {
    padding: 0.75rem;
    font-size: 0.85rem;
    border-radius: 12px;
  }
  .clay-btn {
    padding: 0.45rem 0.65rem;
    font-size: 0.75rem;
    border-radius: 10px;
  }
  .clay-select {
    padding: 0.35rem 0.5rem;
    font-size: 0.75rem;
  }
}