@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Imran Pollob Palette System */
  --brand-50: #ecfdfb;
  --brand-100: #ccfbf1;
  --brand-200: #99f6e4;
  --brand-300: #5eead4;
  --brand-400: #2dd4bf;
  --brand-500: #14b8a6;
  --brand-600: #0d9488;
  --brand-700: #0f766e;
  --brand-800: #115e59;
  --brand-900: #134e4a;
  --brand-950: #042f2e;

  /* Semantic UI Tokens */
  --color-primary: #0d9488;
  --color-primary-hover: #0f766e;
  --color-background: #071311;
  --color-surface: #0d1f1c;
  --color-text: #f0fdfa;
  --color-text-muted: #94a3b8;
  --color-border: #1f3a35;

  /* Typography */
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'JetBrains Mono', monospace;
  --base-font-size: 16px;

  /* Typography Scale */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;

  /* Weights & Spacing */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --letter-spacing-wide: 0.05em;
  --letter-spacing-widest: 0.12em;
  --radius: 8px;
  --radius-panel: 16px;
  --radius-btn: 50%;

  /* Screen Display Dynamic Variables */
  --bg-color: #000000;
  --text-primary: #ffffff;
  --text-secondary: rgba(240, 253, 250, 0.65);
  --clock-dimmed: rgba(240, 253, 250, 0.35);
  --glass-bg: rgba(7, 19, 17, 0.45);
  --glass-bg-hover: rgba(13, 148, 136, 0.25);
  --glass-border: rgba(45, 212, 191, 0.18);
  --glass-border-focus: rgba(45, 212, 191, 0.5);
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dynamic contrast when light screen colors are active (e.g. White / Warm) */
:root[data-bg-brightness="light"] {
  --text-primary: #0f172a;
  --text-secondary: rgba(15, 23, 42, 0.7);
  --clock-dimmed: rgba(15, 23, 42, 0.45);
  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-bg-hover: rgba(13, 148, 136, 0.2);
  --glass-border: rgba(15, 23, 42, 0.15);
  --glass-border-focus: rgba(13, 148, 136, 0.6);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: background-color 0.4s ease, color 0.3s ease;
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

/* Top Single Row App Header */
.app-header {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  z-index: 10;
  pointer-events: none;
}

.header-left {
  display: flex;
  align-items: center;
  pointer-events: auto;
}

.header-center {
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
}

.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  pointer-events: auto;
}

/* Clock Element */
#clock {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wide);
  color: var(--clock-dimmed);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: var(--transition-smooth);
  cursor: default;
  height: 32px;
  display: flex;
  align-items: center;
  padding: 0 0.5rem;
  border-radius: var(--radius);
}

#clock:hover {
  color: var(--text-primary);
  background: var(--glass-bg);
}

/* Ambient Focus Text */
.custom-text-display {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  letter-spacing: var(--letter-spacing-wide);
  color: var(--text-secondary);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: var(--transition-smooth);
  cursor: pointer;
  white-space: nowrap;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.75rem;
  border-radius: var(--radius);
}

.custom-text-display:hover {
  color: var(--text-primary);
  background: var(--glass-bg);
}

/* Empty pencil button */
.empty-pencil {
  opacity: 0.35;
  padding: 0;
}

.empty-pencil:hover {
  opacity: 1;
  color: var(--brand-300);
}

/* Inline text input */
.inline-text-input {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 0 0.75rem;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  text-align: center;
  outline: none;
  height: 32px;
  width: 200px;
  transition: var(--transition-smooth);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.inline-text-input:focus {
  border-color: var(--brand-400);
  background: var(--glass-bg);
  box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.2);
}

/* Top-right toolbar */
.toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.35;
  transition: opacity 0.3s ease;
  height: 32px;
}

.toolbar:hover,
.toolbar:focus-within {
  opacity: 1;
}

/* Glassmorphic Icon Buttons */
.icon-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.icon-btn:hover {
  background: var(--glass-bg-hover);
  border-color: var(--brand-400);
  color: var(--brand-400);
  transform: translateY(-2px);
}

.icon-btn:active {
  transform: translateY(0);
}

.icon-btn:focus-visible {
  outline: 2px solid var(--brand-400);
  outline-offset: 2px;
}

/* Popover Panel */
#menu-popover {
  border: none;
  background: none;
  color: #f0fdfa;
  padding: 0;
  margin: 0;
  position: absolute;
  top: 4.25rem;
  right: 1.5rem;
  left: auto;
  bottom: auto;
  opacity: 0;
  transform: scale(0.92) translateY(-8px);
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), display 0.25s allow-discrete, overlay 0.25s allow-discrete;
}

#menu-popover:is(:popover-open, .\:popover-open) {
  opacity: 1;
  transform: scale(1) translateY(0);
}

@starting-style {
  #menu-popover:is(:popover-open, .\:popover-open) {
    opacity: 0;
    transform: scale(0.92) translateY(-8px);
  }
}

.popover-card {
  background: rgba(13, 31, 28, 0.92);
  border: 1px solid rgba(45, 212, 191, 0.2);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius-panel);
  padding: 1.25rem;
  width: 280px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
  color: #f0fdfa;
}

.popover-header {
  margin-bottom: 0.875rem;
}

.popover-card h3 {
  font-family: var(--font-family);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-widest);
  color: var(--brand-300);
}

/* Presets grid */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.625rem;
  margin-bottom: 1rem;
}

.color-dot {
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.22);
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.35);
  position: relative;
}

.color-dot:hover {
  transform: scale(1.15);
  border-color: var(--brand-300);
  box-shadow: 0 0 10px rgba(45, 212, 191, 0.4), inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

.color-dot.active {
  border-color: var(--brand-400);
  box-shadow: 0 0 12px rgba(45, 212, 191, 0.75), inset 0 1px 3px rgba(0, 0, 0, 0.5);
  outline: 2px solid rgba(45, 212, 191, 0.4);
  outline-offset: 1px;
}

.color-dot:focus-visible {
  outline: 2px solid var(--brand-400);
  outline-offset: 2px;
}

/* Custom color picker container */
.custom-color-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(45, 212, 191, 0.15);
  padding-top: 0.875rem;
  margin-bottom: 0.875rem;
}

.custom-color-label {
  font-size: var(--font-size-sm);
  color: rgba(240, 253, 250, 0.7);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.picker-wrapper {
  position: relative;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(45, 212, 191, 0.25);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.picker-wrapper:hover {
  border-color: var(--brand-400);
  transform: scale(1.08);
}

.picker-wrapper input[type="color"] {
  position: absolute;
  top: -6px;
  left: -6px;
  width: 44px;
  height: 44px;
  border: none;
  cursor: pointer;
  background: none;
}

/* Popover Shortcuts List */
.popover-shortcuts {
  border-top: 1px solid rgba(45, 212, 191, 0.15);
  padding-top: 0.75rem;
}

.popover-shortcuts-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: rgba(240, 253, 250, 0.5);
  margin-bottom: 0.5rem;
  font-weight: var(--font-weight-semibold);
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: rgba(240, 253, 250, 0.7);
  margin-bottom: 0.35rem;
}

kbd {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(45, 212, 191, 0.2);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--brand-200);
}

/* Popover Footer */
.popover-footer {
  border-top: 1px solid rgba(45, 212, 191, 0.15);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.7rem;
  color: rgba(240, 253, 250, 0.6);
}

.popover-footer a {
  color: var(--brand-400);
  text-decoration: none;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.popover-footer a:hover {
  color: var(--brand-200);
  text-decoration: underline;
}

/* Visually Hidden Semantic SEO Content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Reduced Motion Compatibility */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}