/* 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);
  --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, #ffffff 0%, #e5e7eb 100%);
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(15, 23, 42, 0.12);
  --glass-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.12);
  --text-color: #000000;
  --text-strong: #000000;
  --text-secondary: #000000;
  --text-muted: rgba(0, 0, 0, 0.7);
  --accent-cyan: #0ea5e9;
  --accent-purple: #6366f1;
  --primary-accent: #0ea5e9;
  --title-glow: rgba(14, 165, 233, 0.35);
  --toggle-bg: rgba(255, 255, 255, 0.85);
  --toggle-border: rgba(15, 23, 42, 0.12);
  --toggle-shadow: 0 8px 20px rgba(15, 23, 42, 0.12);
  --toggle-btn-border: rgba(15, 23, 42, 0.18);
  --toggle-hover-border: rgba(15, 23, 42, 0.5);
  --toggle-active-shadow: 0 0 12px rgba(14, 165, 233, 0.25);
  --panel-bg: rgba(255, 255, 255, 0.7);
  --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, 0.85);
  --button-border: rgba(15, 23, 42, 0.16);
  --button-text: #0f172a;
  --button-hover-bg: rgba(0, 0, 0, 0.05);
  --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(0, 0, 0, 0.05);
  --header-bg: rgba(255, 255, 255, 0.9);
}

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: 800px;
  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;
  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: center;
  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));
}

:root[data-theme="light"] .tool-title {
  /* background: none !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  color: #000000 !important;
  -webkit-text-fill-color: #000000 !important;
  filter: none !important; */
}

.tool-textarea {
  width: 100%;
  height: 100%;
  padding: 1rem;
  background-color: rgba(0, 0, 0, 0.2) !important;
  border: 1px solid var(--toggle-border);
  border-radius: 12px;
  color: #ffffff !important; /* Explicit white color for dark mode */
  font-family: monospace;
  font-size: 1rem;
  line-height: 1.6;
  resize: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

:root[data-theme="light"] .tool-textarea {
  color: #000000 !important;
  background-color: rgba(255, 255, 255, 0.5) !important;
}

.tool-textarea:focus {
  outline: none;
  border-color: #00f2fe !important; /* Force cyan accent */
  box-shadow: 0 0 0 1px #00f2fe !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: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  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;
}

/* Custom focus ring for all form elements */
input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary-accent);
  box-shadow: 0 0 0 1px var(--primary-accent);
}