:root {
  --primary-color: #4CAF50;
  --hover-primary: #45a049;
  --reset-color: #777;
  --hover-reset: #666;
  --systems-color: #2196F3;
  --hover-systems: #1976D2;
  --overlay-action-color: #FF9800;
  --hover-overlay-action: #FB8C00;
  --error-color: #ff4444;
  --base-systems-color: #9C27B0;
  --hover-base-systems: #7B1FA2;

  --bg-color: #fff;
  --text-color: #333;
  --card-bg-color: #f9f9f9;
  --border-color: #ddd;
  --input-bg-color: #fff;
}

[data-theme="dark"] {
  --bg-color: #121212;
  --text-color: #f1f1f1;
  --card-bg-color: #1e1e1e;
  --border-color: #444;
  --input-bg-color: #333;
}

/* Utilities */
.vh {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.4s ease, color 0.4s ease;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background-color: var(--card-bg-color);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: transform 0.3s ease-in-out, background-color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

header.header-hidden {
  transform: translateY(-100%);
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-color);
}

.logo-icon {
  stroke: var(--primary-color);
}

.logo-title {
  font-size: 1.5em;
  font-weight: bold;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
  /* For mobile nav positioning */
}

@media (max-width: 480px) {
  .logo-title {
    display: none;
  }
}

/* Hamburger Menu */
.hamburger {
  display: none;
  width: 2rem;
  height: 2rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  /* Ensure it's above mobile nav */
  position: relative;
}

.hamburger span {
  width: 2rem;
  height: 0.25rem;
  background: var(--text-color);
  border-radius: 10px;
  transition: all 0.3s ease-in-out;
  position: absolute;
  left: 0;
}

.hamburger span:nth-child(1) {
  top: 0.3125rem;
}

.hamburger span:nth-child(2) {
  top: 0.875rem;
}

.hamburger span:nth-child(3) {
  top: 1.4375rem;
}

.hamburger.open span:nth-child(1) {
  top: 0.875rem;
  transform: rotate(135deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  top: 0.875rem;
  transform: rotate(-135deg);
}

/* Mobile Navigation Panel */
.mobile-nav {
  display: none;
  flex-direction: column;
  list-style: none;
  background-color: var(--card-bg-color);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 250px;
  padding-top: 5rem;
  transform: translateX(-100%);
  transition: transform 0.3s ease-in-out;
  z-index: 5;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav a {
  padding: 1rem 2rem;
  font-size: 1.2rem;
  color: var(--text-color);
  text-decoration: none;
}

header nav {
  display: flex;
  gap: 15px;
}

header nav a {
  color: var(--systems-color);
  text-decoration: none;
  font-size: 1.1em;
  transition: color 0.3s ease;
}

header nav a:hover {
  color: var(--hover-systems);
}

#theme-toggle {
  padding: 8px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: var(--systems-color);
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s ease;
}

.theme-icon {
  display: none;
  fill: white;
}

[data-theme="light"] .sun {
  display: block;
}

[data-theme="dark"] .moon {
  display: block;
}

#theme-toggle:hover {
  background-color: var(--hover-systems);
  transform: scale(1.1);
}

@media (max-width: 768px) {
  header nav {
    display: none;
    /* Hide desktop nav on mobile */
  }

  .hamburger {
    display: flex;
    /* Show hamburger on mobile */
  }

  .mobile-nav {
    display: flex;
    /* Prepare mobile nav for display */
  }

  .header-right {
    order: 1;
    /* Ensure hamburger is on the left */
  }
}

.gematria-calculator {
  background-color: var(--card-bg-color);
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  margin: 20px;
  transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.gematria-calculator h2 {
  text-align: center;
  color: var(--text-color);
  margin-top: 0;
}

.gematria-calculator form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-width: 500px;
  /* Limit width on larger screens */
  margin: 0 auto;
  /* Center the form */
}

.input-container {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  /* Allow items to wrap on smaller screens */
  gap: 10px;
}

.input-container input {
  flex: 1;
  min-width: 100px;
  /* Prevent input from becoming too small */
  padding-right: 40px;
}

.input-container .btn-reset {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  padding: 0 15px;
}

.gematria-calculator input[type="text"] {
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 16px;
  background-color: var(--input-bg-color);
  color: var(--text-color);
}

.button-row {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 10px;
}

.gematria-calculator button,
.btn-calculate,
.btn-reset,
.btn-systems,
.btn-select-base,
.btn-select-all,
.btn-clear,
.btn-save,
.btn-submit {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 500;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.gematria-calculator button:hover,
.btn-calculate:hover,
.btn-reset:hover,
.btn-systems:hover,
.btn-select-base:hover,
.btn-select-all:hover,
.btn-clear:hover,
.btn-save:hover,
.btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.gematria-calculator button:active,
.btn-calculate:active,
.btn-submit:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-calculate {
  background-color: var(--primary-color);
  color: white !important;
}

.btn-calculate:hover {
  background-color: var(--hover-primary);
}

.btn-reset {
  background-color: var(--reset-color);
  color: white;
}

.btn-reset:hover {
  background-color: var(--hover-reset);
}

.btn-systems {
  background-color: var(--systems-color);
  color: white !important;
}

.btn-systems:hover {
  background-color: var(--hover-systems);
}

#gematria-results {
  margin-top: 20px;
}

.results-container {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}

.result-error {
  text-align: center;
  color: var(--error-color);
  margin-top: 15px;
  font-weight: 500;
}

.result-column {
  background: var(--bg-color);
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  min-width: 120px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: background-color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease, transform 0.2s ease;
}

.result-column:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.system-name {
  font-size: 0.75em;
  color: var(--text-color);
}

.primary-result {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--text-color);
}

.overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.overlay-content {
  background: var(--card-bg-color);
  padding: 25px;
  border-radius: 8px;
  width: 90%;
  max-width: 950px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  border: 1px solid var(--border-color);
  color: var(--text-color);
}

.close-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 24px;
  cursor: pointer;
}

.overlay-buttons {
  display: flex;
  gap: 10px;
  margin: 15px 0;
}

.overlay-buttons button {
  flex: 1;
}

.btn-select-base {
  background: var(--base-systems-color);
  color: white;
}

.btn-select-base:hover {
  background: var(--hover-base-systems);
}

.btn-select-all {
  background: var(--primary-color);
  color: white;
}

.btn-clear {
  background: var(--reset-color);
  color: white;
}

.btn-save {
  background: var(--overlay-action-color);
  color: white;
  width: 100%;
}

.btn-save:hover {
  background: var(--hover-overlay-action);
}

fieldset {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 8px 12px 12px;
  margin: 8px 0;
}

legend {
  padding: 0 5px;
  font-size: 0.85em;
  color: var(--text-color);
  margin-bottom: 4px;
  line-height: 1.2;
}

.system-grid {
  display: grid;
  gap: 8px;
  margin-top: 5px;
  grid-template-columns: 1fr;
}

@media (min-width: 481px) {
  .system-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .system-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .system-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.system-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  margin: 2px 0;
}

.system-grid input[type="checkbox"] {
  margin: 0;
}

.content-card {
  background-color: var(--card-bg-color);
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  margin: 20px;
  border: 1px solid var(--border-color);
}

.content-card h3 {
  color: var(--text-color);
  font-size: 1.25em;
  margin: 0 0 10px;
}

.content-card p {
  color: var(--text-color);
  font-size: 1em;
  line-height: 1.5;
  margin: 0 0 15px;
}

.content-card a {
  color: var(--primary-color);
  /* #4CAF50 */
  text-decoration: none;
  transition: color 0.3s ease;
}

.content-card a:hover {
  color: var(--hover-primary);
  /* #45a049 */
  text-decoration: underline;
}

/* About Page Grid */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.primary-card {
  border-top: 4px solid var(--primary-color) !important;
}

@media (max-width: 600px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

footer {
  background-color: var(--card-bg-color);
  padding: 10px 20px;
  text-align: center;
  font-size: 0.9em;
  color: var(--text-color);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.05);
  margin-top: auto;
  position: sticky;
  bottom: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 10px;
  transition: transform 0.3s ease-in-out;
}

footer.footer-hidden {
  transform: translateY(100%);
}


footer a {
  color: var(--systems-color);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color 0.3s ease;
}

footer a:hover {
  color: var(--hover-systems);
  text-decoration: underline;
}

.github-icon {
  vertical-align: middle;
}

@media (max-width: 600px) {
  footer {
    padding: 8px 15px;
    font-size: 0.85em;
  }
}

.cipher-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-top: 20px;
}

.cipher-card {
  background-color: var(--card-bg-color);
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  width: 220px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: background-color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease, transform 0.2s ease;
}

.cipher-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.cipher-card h3 {
  color: var(--text-color);
  font-size: 1.1em;
  margin: 0 0 10px;
}

.cipher-card table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9em;
}

.cipher-card th,
.cipher-card td {
  border: 1px solid var(--border-color);
  padding: 5px;
}

.cipher-card th {
  background-color: var(--primary-color);
  color: white;
}

.cipher-card td {
  background-color: var(--bg-color);
}

/* Sort Controls */
.sort-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  padding: 10px;
  background-color: var(--card-bg-color);
  border-radius: 4px;
  flex-wrap: wrap;
}

.sort-label {
  font-weight: bold;
  color: var(--text-color);
  font-size: 0.9em;
}

.btn-sort {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--bg-color);
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.85em;
}

.btn-sort:hover {
  background-color: var(--systems-color);
  color: white;
  border-color: var(--systems-color);
}

.btn-sort.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  font-weight: bold;
}

.btn-share {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--overlay-action-color);
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.85em;
  display: flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
}

.btn-share:hover {
  background-color: var(--hover-overlay-action);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-share.copied {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-share svg {
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .sort-controls {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-sort {
    width: 100%;
  }

  .btn-share {
    width: 100%;
    margin-left: 0;
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .cipher-card {
    width: 100%;
    box-sizing: border-box;
  }
}

/* Scroll to Top Button */
#scroll-to-top {
  position: fixed;
  bottom: 20px;
  left: 50%;
  background-color: var(--systems-color);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(100px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s ease-in-out;
  z-index: 999;
}

#scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

#scroll-to-top:hover {
  background-color: var(--hover-systems);
}

/* ========================================
   CUSTOM CIPHER STYLES
   ======================================== */

/* Section Headers */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}

.section-header h3 {
  margin: 0;
}

/* Cipher List */
/* Comparison Page Actions */
.comparison-actions-row {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 600px) {
  .comparison-actions-row button {
    width: 100%;
  }
}

.cipher-list {
  display: grid;
  gap: 15px;
  margin-bottom: 30px;
}

.cipher-list-item {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 15px;
  transition: box-shadow 0.3s ease;
}

.cipher-list-item:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.cipher-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.cipher-item-header h4 {
  margin: 0;
  color: var(--text-color);
  font-size: 1.2em;
}

.cipher-item-actions {
  display: flex;
  gap: 8px;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background-color: var(--systems-color);
  border-color: var(--systems-color);
}

.btn-icon:hover svg {
  stroke: white;
}

.btn-icon svg {
  stroke: var(--text-color);
  transition: stroke 0.3s ease;
}

.cipher-description {
  color: var(--text-color);
  font-size: 0.95em;
  margin: 10px 0;
  font-style: italic;
}

.cipher-meta {
  display: flex;
  gap: 15px;
  font-size: 0.85em;
  color: var(--reset-color);
  margin: 10px 0;
}

.cipher-sample {
  font-size: 0.9em;
  color: var(--text-color);
  padding: 8px;
  background-color: var(--card-bg-color);
  border-radius: 4px;
  margin-top: 10px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--reset-color);
}

.empty-state p {
  margin: 10px 0;
  font-size: 1.1em;
}

/* Cipher Builder Grid */
.cipher-builder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 10px;
  margin: 20px 0;
  max-height: 400px;
  overflow-y: auto;
  padding: 10px;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.cipher-grid-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cipher-grid-cell label {
  font-weight: bold;
  font-size: 0.9em;
  color: var(--text-color);
  text-align: center;
}

.cipher-grid-cell input[type="number"] {
  padding: 6px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 14px;
  background-color: var(--input-bg-color);
  color: var(--text-color);
  text-align: center;
}

.cipher-grid-cell input[type="number"]:focus {
  outline: none;
  border-color: var(--systems-color);
  box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

/* Remove spinner arrows from number inputs */
.cipher-grid-cell input[type="number"]::-webkit-inner-spin-button,
.cipher-grid-cell input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.cipher-grid-cell input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* Quick Fill Buttons */
.quick-fill-section {
  margin: 15px 0;
}

.quick-fill-section label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: var(--text-color);
}

.quick-fill-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-preset {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--card-bg-color);
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9em;
}

.btn-preset:hover {
  background-color: var(--systems-color);
  color: white;
  border-color: var(--systems-color);
}

/* Live Preview */
.cipher-preview {
  margin: 20px 0;
  padding: 15px;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.cipher-preview h4 {
  margin: 0 0 10px 0;
  color: var(--text-color);
}

.cipher-preview p {
  margin: 5px 0;
  color: var(--text-color);
}

.preview-result {
  font-size: 1.1em;
  padding: 10px;
  border-radius: 4px;
  margin-top: 10px;
}

.preview-incomplete {
  color: var(--reset-color);
  font-style: italic;
}

.preview-complete {
  background-color: var(--card-bg-color);
  color: var(--text-color);
}

.preview-value {
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.2em;
}

/* Form Elements */
.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: var(--text-color);
}

.form-group input[type="text"],
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 14px;
  background-color: var(--input-bg-color);
  color: var(--text-color);
  font-family: Arial, sans-serif;
  box-sizing: border-box;
}

.form-group input[type="text"]:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--systems-color);
  box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.btn-cancel {
  flex: 1;
  padding: 10px 15px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--card-bg-color);
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 16px;
}

.btn-cancel:hover {
  background-color: var(--reset-color);
  color: white;
  border-color: var(--reset-color);
}

.btn-primary {
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  background-color: var(--primary-color);
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 16px;
}

.btn-primary:hover {
  background-color: var(--hover-primary);
}

/* Storage Info */
.storage-info {
  margin-bottom: 20px;
  padding: 15px;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.storage-bar {
  height: 20px;
  background-color: var(--card-bg-color);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 8px;
  border: 1px solid var(--border-color);
}

.storage-bar-fill {
  height: 100%;
  background-color: var(--primary-color);
  transition: width 0.3s ease, background-color 0.3s ease;
}

.storage-ok .storage-bar-fill {
  background-color: var(--primary-color);
}

.storage-warning .storage-bar-fill {
  background-color: var(--overlay-action-color);
}

.storage-critical .storage-bar-fill {
  background-color: var(--error-color);
}

.storage-text {
  font-size: 0.9em;
  color: var(--text-color);
  text-align: center;
}

/* Import/Export Section */
.import-export-section {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 2px solid var(--border-color);
}

.import-export-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 20px;
}

@media (min-width: 768px) {
  .import-export-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.export-section,
.import-section {
  padding: 15px;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.export-section h4,
.import-section h4 {
  margin: 0 0 10px 0;
  color: var(--text-color);
}

.export-section p,
.import-section p {
  margin: 0 0 15px 0;
  font-size: 0.9em;
  color: var(--text-color);
}

.export-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.export-buttons button {
  flex: 1;
  min-width: 120px;
}

.import-preview {
  margin-top: 15px;
  padding: 10px;
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--text-color);
}

/* Cipher Builder Overlay Specific */
.cipher-builder-content {
  max-width: 800px;
}

@media (max-width: 600px) {
  .cipher-builder-grid {
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 8px;
  }

  .quick-fill-buttons {
    flex-direction: column;
  }

  .btn-preset {
    width: 100%;
  }

  .form-actions {
    flex-direction: column;
  }
}

/* Comparison View Styles */
.comparison-header {
  text-align: center;
  margin-bottom: 30px;
}

.comparison-header h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.phrase-inputs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
  margin-bottom: 20px;
}

@media (min-width: 768px) {
  .phrase-inputs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .phrase-inputs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.phrase-input-wrapper {
  position: relative;
}

.phrase-input {
  width: 100%;
  padding: 12px 40px 12px 15px;
  /* Added right padding for close button */
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-size: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  box-sizing: border-box;
  /* Fixes "too long" width issue */
}

.phrase-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.remove-phrase-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--reset-color);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: color 0.3s, background-color 0.3s;
  z-index: 2;
}

.remove-phrase-btn:hover {
  color: var(--error-color);
  background-color: rgba(255, 68, 68, 0.1);
}

.comparison-actions {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
}

.comparison-results-table-container {
  width: 100%;
  overflow-x: auto;
  margin-top: 20px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg-color);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
  padding: 15px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}

.comparison-table th:last-child,
.comparison-table td:last-child {
  border-right: none;
}

.comparison-table th {
  background-color: var(--bg-color);
  font-weight: 600;
  color: var(--text-color);
  position: sticky;
  top: 0;
  z-index: 3;
}

.comparison-table .cipher-name-cell {
  text-align: left;
  font-weight: 600;
  background-color: var(--bg-color);
  position: sticky;
  left: 0;
  z-index: 4;
  min-width: 150px;
}

.comparison-table .match-highlight {
  background-color: rgba(76, 175, 80, 0.15);
  color: var(--primary-color);
  font-weight: 700;
}

.empty-results-message {
  text-align: center;
  padding: 40px;
  color: var(--text-color);
  opacity: 0.7;
  background-color: var(--card-bg-color);
  border-radius: 8px;
  border: 1px dashed var(--border-color);
}

.export-actions {
  margin-top: 30px;
  display: flex;
  justify-content: center;
}

.btn-link {
  background: none;
  border: none;
  color: var(--primary-color);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0;
  margin-right: 10px;
  text-decoration: underline;
}

.btn-link:hover {
  color: var(--hover-primary);
}

.btn-link.red {
  color: #f44336;
}

.btn-link.red:hover {
  color: #d32f2f;
}

.selection-shortcuts {
  display: flex;
  gap: 10px;
}

@media (max-width: 600px) {
  .comparison-header h1 {
    font-size: 1.8rem;
  }
}

/* ========================================
   FORM & CONTACT STYLES
   ======================================== */

.contact-form-container {
  max-width: 600px;
  margin: 20px auto;
}

.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: bold;
  font-size: 0.9em;
  color: var(--text-color);
}

.form-group input, 
.form-group textarea {
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 16px;
  background-color: var(--input-bg-color);
  color: var(--text-color);
  transition: border-color 0.3s ease;
}

.form-group input:focus, 
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.success-message {
  background-color: rgba(76, 175, 80, 0.1);
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  padding: 15px;
  border-radius: 4px;
  margin-bottom: 20px;
  text-align: center;
}

.error-message {
  background-color: rgba(255, 68, 68, 0.1);
  border: 1px solid var(--error-color);
  color: var(--error-color);
  padding: 15px;
  border-radius: 4px;
  margin-bottom: 20px;
  text-align: center;
}

.btn-submit {
  width: 100%;
  background-color: var(--primary-color);
  color: white !important;
  padding: 12px;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn-submit:hover {
  background-color: var(--hover-primary);
}