/* Box sizing reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;

  color-scheme: light dark;

  /* --- Default Dark Theme Variables --- */
  --bg-gradient: radial-gradient(circle at center, #444 0%, #000000 100%);
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --text-color: #ffffff;
  --text-strong: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.85);
  --text-muted: rgba(255, 255, 255, 0.7);
  --accent-cyan: #00f2fe;
  --accent-purple: #4facfe;
  --primary-accent: #00f2fe;
  --title-glow: rgba(0, 255, 255, 0.2);
  --toggle-bg: rgba(255, 255, 255, 0.08);
  --toggle-border: rgba(255, 255, 255, 0.2);
  --toggle-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
  --toggle-btn-border: rgba(255, 255, 255, 0.2);
  --toggle-hover-border: #ffffff;
  --toggle-active-shadow: 0 0 10px rgba(0, 242, 255, 0.3);
  --panel-bg: rgba(0, 0, 0, 0.4);
  --panel-border: rgba(255, 255, 255, 0.1);
  --panel-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  --button-bg: rgba(255, 255, 255, 0.1);
  --button-border: rgba(255, 255, 255, 0.2);
  --button-text: #ffffff;
  --button-hover-bg: rgba(255, 255, 255, 0.25);
  --button-hover-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  --button-active-shadow: 0 0 20px rgba(79, 172, 254, 0.4);
  --title-gradient: linear-gradient(45deg, #00f2fe, #4facfe);
  --ripple-color: rgba(255, 255, 255, 0.3);
  --nav-item-weight: 400;
  --list-hover-bg: rgba(255, 255, 255, 0.05);
  --list-border: rgba(255, 255, 255, 0.12);
  --header-bg: rgba(0, 0, 0, 0.6);

  color: var(--text-color);
  background-color: #242424;
  /* Fallback */
  background: var(--bg-gradient);
  background-attachment: fixed;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:root[data-theme="light"] {
  --bg-gradient: radial-gradient(circle at center, #f8fafc 0%, #e2e8f0 100%);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(15, 23, 42, 0.12);
  --glass-shadow: 0 8px 32px 0 rgba(30, 41, 59, 0.15);
  --text-color: #0f172a;
  --text-strong: #020617;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --accent-cyan: #0ea5e9;
  --accent-purple: #6366f1;
  --primary-accent: #0ea5e9;
  --title-glow: rgba(14, 165, 233, 0.35);
  --toggle-bg: rgba(255, 255, 255, 1);
  --toggle-border: rgba(15, 23, 42, 0.2);
  --toggle-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
  --toggle-btn-border: rgba(15, 23, 42, 0.15);
  --toggle-hover-border: rgba(14, 165, 233, 0.6);
  --toggle-active-shadow: 0 0 12px rgba(14, 165, 233, 0.25);
  --panel-bg: rgba(255, 255, 255, 0.9);
  --panel-border: rgba(15, 23, 42, 0.12);
  --panel-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
  --button-bg: rgba(255, 255, 255, 0.7);
  --button-border: rgba(255, 255, 255, 0.9);
  --button-text: #0f172a;
  --button-hover-bg: rgba(15, 23, 42, 0.1);
  --button-hover-shadow: 0 6px 18px rgba(15, 23, 42, 0.18);
  --button-active-shadow: 0 0 18px rgba(14, 165, 233, 0.25);
  --title-gradient: linear-gradient(45deg, #0ea5e9, #6366f1);
  --ripple-color: rgba(0, 0, 0, 0.1);
  --list-hover-bg: rgba(15, 23, 42, 0.05);
  --list-border: rgba(15, 23, 42, 0.08);
  --header-bg: rgba(255, 255, 255, 0.6);
}

body {
  margin: 0;
  display: flex;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  user-select: none;
  -webkit-user-select: none;
}

.selectable {
  user-select: text;
  -webkit-user-select: text;
  cursor: text;
}

#app {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  body {
    min-height: 100vh;
    overflow: auto;
  }

  #app {
    min-height: 100vh;
    overflow: auto;
  }
}

/* Removed global front camera mirror to restore stability */

/* --- Shared styles for all tools (moved from tools.css) --- */

.tool-container {
  display: flex;
  justify-content: center;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  height: 100%;
  padding: 0.5rem;
}

.tool-panel {
  width: 100%;
  padding: 1rem;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  height: 100%;
  max-height: 100%;
  overflow-y: auto;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* Custom scrollbar for tool panel */
.tool-panel::-webkit-scrollbar {
  width: 8px;
}

.tool-panel::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 4px;
}

.tool-panel::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

.tool-panel::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

.tool-title {
  margin: 0;
  text-align: left;
  font-size: 1.5rem;
  font-weight: 600;
  background: var(--title-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 10px var(--title-glow));
}



.tool-textarea,
.select-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--toggle-bg);
  border: 1px solid var(--toggle-border);
  border-radius: 8px;
  color: var(--text-color);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.tool-textarea {
  font-family: monospace;
  resize: none;
  height: 100%;
}

.select-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
  height: 40px;
  cursor: pointer;
  line-height: 1;
}

.tool-textarea:focus,
.select-input:focus {
  outline: none;
  border-color: var(--primary-accent) !important;
  box-shadow: 0 0 0 1px var(--primary-accent) !important;
}

.result-area {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 200px;
}

.result-area label {
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Common UI Element Styles */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

@media (max-width: 640px) {
  .glass-panel:not(.modal-content) {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    box-shadow: none;
  }
}

.btn-neon {
  background: var(--button-bg);
  border: 1px solid var(--button-border);
  color: var(--button-text);
  padding: 0 1.25rem;
  height: 40px;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  outline: none;
  /* Remove focus outline */
}

/* Global button styles */
button {
  user-select: none;
  -webkit-user-select: none;
}

/* Remove focus outline for all buttons */
button:focus {
  outline: none;
}

.btn-neon:hover {
  background: var(--button-hover-bg);
  transform: translateY(-2px);
  box-shadow: var(--button-hover-shadow);
  border-color: var(--accent-cyan);
}

.btn-neon:active {
  transform: translateY(1px);
  box-shadow: var(--button-active-shadow);
}

.btn-neon.danger {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.6);
  color: #fee2e2;
}

.btn-neon.danger:hover {
  background: rgba(239, 68, 68, 0.3);
  border-color: rgba(239, 68, 68, 0.85);
  box-shadow: 0 8px 20px rgba(239, 68, 68, 0.2);
}

:root[data-theme="light"] .btn-neon.danger {
  color: #7f1d1d;
}

.icon-only {
  padding: 8px;
  border-radius: 50%;
  width: 40px;
  height: 40px;
}

.unselectable {
  user-select: none;
  -webkit-user-select: none;
}

/* Ripple Effect */
span.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple 600ms linear;
  background-color: var(--ripple-color);
  pointer-events: none;
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* --- Global Input/Select Focus Styles --- */
input:focus,
select:focus,
textarea:focus,
button:focus {
  outline: none;
}

input:focus,
select:focus,
textarea:focus,
.number-control:focus-within {
  border-color: var(--primary-accent) !important;
  box-shadow: 0 0 0 1px var(--primary-accent) !important;
}

/* --- Global Checkbox Styles --- */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.2s;
}

.checkbox-label:hover {
  color: var(--text-color);
}

.checkbox-label input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: relative;
  height: 20px;
  width: 20px;
  background-color: var(--toggle-bg);
  border: 1px solid var(--toggle-border);
  border-radius: 4px;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.checkbox-label:hover .checkmark {
  border-color: var(--toggle-hover-border);
}

.checkbox-label input:checked~.checkmark {
  background-color: var(--primary-accent);
  border-color: var(--primary-accent);
  box-shadow: 0 0 10px var(--primary-accent);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-label input:checked~.checkmark:after {
  display: block;
}

.checkbox-label .checkmark:after {
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

:root[data-theme="light"] .checkmark:after {
  border-color: white;
  /* Keep checkmark white even in light mode if background is primary-accent */
}

/* --- Global Header/Action Patterns --- */
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  width: 100%;
  min-height: 40px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

/* --- Global Icon Button Styles --- */
.icon-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  color: var(--text-color);
  background: var(--button-hover-bg);
}

.icon-btn.delete-btn:hover {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

:root[data-theme="light"] .icon-btn.delete-btn:hover {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.05);
}

/* --- Component Specific Theme Overrides (Consolidated) --- */
:root[data-theme="light"] .settings-btn {
  background: rgba(0, 0, 0, 0.03);
}

:root[data-theme="light"] .savings {
  color: #16a34a;
  font-weight: 500;
}

:root[data-theme="light"] .modal-overlay {
  background: rgba(255, 255, 255, 0.3);
}

:root[data-theme="light"] .add-rule-form,
:root[data-theme="light"] .rule-item {
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

/* --- Global Number Control Styles --- */
.number-control {
  display: flex;
  align-items: stretch;
  background: var(--toggle-bg);
  border: 1px solid var(--toggle-border);
  border-radius: 8px;
  overflow: hidden;
  height: 40px;
}

.control-btn {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 0.9rem;
  min-width: 40px;
  padding: 0 0.5rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 400;
}

.control-btn:hover {
  background: var(--button-hover-bg);
  color: var(--primary-accent);
}

.number-input {
  background: none;
  border: none;
  color: var(--text-color);
  flex: 1;
  min-width: 60px;
  text-align: center;
  font-size: 1rem;
  font-weight: 400;
  appearance: textfield;
}

.number-input::-webkit-outer-spin-button,
.number-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* --- Global List/History Styles --- */
.results-section,
.history-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
}

.history-header,
.results-header {
  padding: 1rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.history-header h3,
.results-header h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-strong);
}

.history-actions,
.results-actions,
.header-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.history-list,
.codes-list {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

.history-item,
.code-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid var(--list-border);
  transition: background 0.2s;
}

.history-item:last-child,
.code-item:last-child {
  border-bottom: none;
}

.history-item:hover,
.code-item:hover {
  background: var(--list-hover-bg);
}

.item-info,
.code-content {
  flex: 1;
  overflow: hidden;
  padding-right: 1rem;
}

.item-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #4ade80;
  box-shadow: 0 0 8px #4ade80;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }

  100% {
    opacity: 1;
  }
}