/* Design Tokens & Theme Setup */
:root {
  /* Dark Mode Variables (Default - Optimized for high readability and contrast) */
  --bg-gradient: radial-gradient(circle at center, #1b2030 0%, #0a0c10 100%);
  --bg-solid: #0a0c10;
  --card-bg: rgba(18, 22, 33, 0.85);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), inset 0 1px 1px rgba(255, 255, 255, 0.08);
  --color-primary: #38bdf8; /* Neon Sky Blue for high visibility */
  --color-primary-glow: rgba(56, 189, 248, 0.35);
  --color-primary-fill: rgba(56, 189, 248, 0.08);
  --gradient-start: #38bdf8;
  --gradient-end: #0288d1;
  --color-text: #f8fafc; /* Crisp off-white */
  --color-text-secondary: #cbd5e1; /* High contrast silver-grey */
  --color-text-muted: #8892b0; /* Clearly visible muted text */
  --control-btn-bg: rgba(255, 255, 255, 0.06);
  --control-btn-border: rgba(255, 255, 255, 0.12);
  --control-btn-hover: rgba(255, 255, 255, 0.12);
  --tab-bg-active: rgba(56, 189, 248, 0.08);
  --tab-border-active: rgba(56, 189, 248, 0.4);
  --track-color: rgba(255, 255, 255, 0.04);
  --overlay-bg: rgba(10, 12, 17, 0.9);
  
  /* Input Custom Styling */
  --input-bg: rgba(255, 255, 255, 0.03);
  --input-border: rgba(255, 255, 255, 0.12);

  /* AdSense Custom Styling */
  --ad-bg: rgba(255, 255, 255, 0.02);
  --ad-border: rgba(255, 255, 255, 0.1);
}

.light-mode {
  /* Light Mode Variables */
  --bg-gradient: radial-gradient(circle at center, #ffffff 0%, #ebedf5 100%);
  --bg-solid: #ebedf5;
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-border: rgba(0, 0, 0, 0.07);
  --card-shadow: 0 24px 60px rgba(165, 173, 196, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.7);
  --color-primary: #0288d1;
  --color-primary-glow: rgba(2, 136, 209, 0.3);
  --color-primary-fill: rgba(2, 136, 209, 0.06);
  --gradient-start: #29b6f6;
  --gradient-end: #0277bd;
  --color-text: #1e293b;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;
  --control-btn-bg: rgba(0, 0, 0, 0.04);
  --control-btn-border: rgba(0, 0, 0, 0.08);
  --control-btn-hover: rgba(0, 0, 0, 0.06);
  --tab-bg-active: rgba(2, 136, 209, 0.06);
  --tab-border-active: rgba(2, 136, 209, 0.5);
  --track-color: rgba(0, 0, 0, 0.04);
  --overlay-bg: rgba(235, 237, 245, 0.9);
  
  /* Input Custom Styling */
  --input-bg: rgba(0, 0, 0, 0.02);
  --input-border: rgba(0, 0, 0, 0.08);

  /* AdSense Custom Styling */
  --ad-bg: rgba(0, 0, 0, 0.015);
  --ad-border: rgba(0, 0, 0, 0.06);
}

/* Global Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 1.5rem;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

.glassmorphism {
  background: var(--card-bg);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
}

.tabs-and-utility-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.card-header-utility {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.control-btn {
  background: var(--control-btn-bg);
  border: 1px solid var(--control-btn-border);
  color: var(--color-text-secondary);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.control-btn:hover {
  background: var(--control-btn-hover);
  transform: translateY(-2px);
  color: var(--color-primary);
  border-color: rgba(56, 189, 248, 0.3);
}

.control-btn:active {
  transform: scale(0.95);
}

/* Hide Icons per Theme */
body.dark-mode .sun-icon { display: block; }
body.dark-mode .moon-icon { display: none; }
body.light-mode .sun-icon { display: none; }
body.light-mode .moon-icon { display: block; }

/* Sound Off icon states */
#soundToggleBtn .sound-on-icon { display: block; }
#soundToggleBtn .sound-off-icon { display: none; }
#soundToggleBtn.muted .sound-on-icon { display: none; }
#soundToggleBtn.muted .sound-off-icon { display: block; }

/* Main Layout Container */
.app-container {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-grow: 1;
  justify-content: center;
}

/* Header */
.app-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.logo-area {
  display: flex;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.ndukz-logo {
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.seo-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--color-text) 50%, var(--color-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.25rem;
}

body.light-mode .seo-title {
  background: linear-gradient(135deg, var(--color-text) 30%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  opacity: 0.8;
}

/* Google AdSense Placeholder Slot Styling */
.adsense-placeholder {
  width:100%;
  align-self:stretch;
  max-width: 440px;
  background: var(--ad-bg);
  border: 1px dashed var(--ad-border);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  margin-left: 20px;
}

.adsense-placeholder:hover {
  border-color: var(--color-primary-glow);
}

.banner-ad {
  min-height: 90px;
  margin-bottom: 1.5rem;
}

.square-ad {
  min-height: 120px;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

.ad-tag {
  position: absolute;
  top: 4px;
  left: 8px;
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.ad-content {
  display: flex;
  width: 100%;
  flex-direction: column;
  gap: 0.2rem;
}

.ad-content span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.ad-content small {
  font-size: 0.6rem;
  color: var(--color-text-muted);
}

/* Unified Dashboard Card Layout */
.timer-widget {
  width: 100%;
  max-width: 440px;
  border-radius: 32px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.4s ease, border-color 0.4s ease;
}

/* Fullscreen mode styling */
.timer-widget:fullscreen {
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  border-radius: 0;
  border: none;
  box-shadow: none;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-gradient);
  overflow-y: auto;
}

/* Scaling elements in fullscreen for large display */
.timer-widget:fullscreen .tabs-and-utility-row {
  max-width: 440px;
  margin-bottom: 2rem;
}

.timer-widget:fullscreen .timer-display-section {
  transform: scale(1.15);
  margin: 2.5rem 0;
}

.timer-widget:fullscreen .countdown-setup-panel,
.timer-widget:fullscreen .sub-shortcuts-row,
.timer-widget:fullscreen .action-controls-row {
  max-width: 440px;
  width: 100%;
}

/* Navigation tabs at the top of the card */
.mode-tabs {
  display: flex;
  flex: 1;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 16px;
  padding: 5px;
  gap: 4px;
}

body.light-mode .mode-tabs {
  background: rgba(0, 0, 0, 0.04);
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--color-text-secondary);
  padding: 0.7rem 0.25rem;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  letter-spacing: 0.02em;
}

.tab-btn:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.03);
}

body.light-mode .tab-btn:hover {
  background: rgba(0, 0, 0, 0.02);
}

.tab-btn.active {
  background: var(--tab-bg-active) !important;
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

body.light-mode .tab-btn.active {
  box-shadow: 0 4px 12px rgba(165, 173, 196, 0.12);
}

/* Sub-Shortcuts Pill Row */
.sub-shortcuts-row {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  margin-bottom: 1.5rem;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

.shortcut-btn {
  background: var(--control-btn-bg);
  border: 1px solid var(--control-btn-border);
  border-radius: 16px;
  color: var(--color-text-secondary);
  padding: 0.45rem 0.85rem;
  font-family: 'Outfit', sans-serif;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  min-width: 96px;
  text-align: center;
}

.shortcut-btn:hover {
  color: var(--color-text);
  background: var(--control-btn-hover);
  border-color: var(--color-text-muted);
}

.shortcut-btn.active {
  background: var(--color-primary-fill) !important;
  border-color: var(--color-primary) !important;
  color: var(--color-primary) !important;
}

.shortcut-name {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.shortcut-duration {
  font-size: 0.6rem;
  font-weight: 500;
  opacity: 0.85;
}

/* Timer Hero Section */
.timer-display-section {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin-bottom: 1.5rem;
}

.timer-circle-outer {
  position: relative;
  width: 270px;
  height: 270px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(30, 35, 48, 0.4) 0%, rgba(15, 18, 25, 0.6) 100%);
  border: 1px solid var(--card-border);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.3);
}

.timer-circle-outer[title] {
  cursor: pointer;
}

body.light-mode .timer-circle-outer {
  background: radial-gradient(circle, rgba(255, 255, 255, 0.8) 0%, rgba(240, 242, 248, 0.5) 100%);
}

.progress-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
  pointer-events: none;
}

.track-circle {
  fill: none;
  stroke: var(--track-color);
  stroke-width: 9px;
}

.progress-bar {
  fill: none;
  stroke-width: 9px;
  stroke-linecap: round;
  stroke-dasharray: 848.23;
  stroke-dashoffset: 848.23;
  transition: stroke-dashoffset 1s linear;
}


.timer-content {
  text-align: center;
  z-index: 10;
}

.timer-label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--color-primary);
  margin-bottom: 0.15rem;
  text-transform: uppercase;
}

.timer-time {
  font-family: 'Space Mono', monospace;
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
  user-select: none;
  transition: font-size 0.2s ease;
}

.timer-time.has-hours {
  font-size: 2.5rem;
}

.timer-subtext {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 30px;
  color: var(--color-text-secondary);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

body.light-mode .timer-subtext {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.timer-subtext svg {
  color: var(--color-primary);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

/* Countdown Setup Panel */
.countdown-setup-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 1.5rem 0;
  width: 100%;
  animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.countdown-presets-row {
  display: flex;
  gap: 0.4rem;
  justify-content: center;
  margin-bottom: 0.25rem;
}

.preset-btn {
  background: var(--control-btn-bg);
  border: 1px solid var(--control-btn-border);
  border-radius: 12px;
  color: var(--color-text-secondary);
  padding: 0.35rem 0.85rem;
  font-family: 'Outfit', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 48px;
  text-align: center;
}

.preset-btn:hover {
  background: var(--control-btn-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

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

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.countdown-inputs-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.input-field {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.input-field label {
  font-size: 0.6rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.input-field input {
  width: 54px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  padding: 0.45rem;
  font-size: 1rem;
  font-family: 'Space Mono', monospace;
  color: var(--color-text);
  text-align: center;
  outline: none;
  transition: all 0.2s ease;
}

.input-field input:focus {
  border-color: var(--color-primary);
  background: rgba(56, 189, 248, 0.05);
}

.input-field input::-webkit-outer-spin-button,
.input-field input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.input-field input[type=number] {
  -moz-appearance: textfield;
}

.colon-separator {
  font-family: 'Space Mono', monospace;
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-top: 1rem;
}

.set-countdown-btn {
  background: var(--control-btn-bg);
  border: 1px solid var(--control-btn-border);
  color: var(--color-text-secondary);
  border-radius: 12px;
  padding: 0.45rem 1.25rem;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.set-countdown-btn:hover {
  background: var(--color-primary);
  color: #0f172a;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px var(--color-primary-glow);
}

/* Action Controls (Start/Pause, Reset, Custom Settings, Lap) */
.action-controls-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  width: 100%;
  margin-bottom: 0.5rem;
}

.main-btn {
  background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
  border: none;
  color: #0f172a;
  padding: 0.85rem 2.5rem;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

body.light-mode .main-btn {
  color: white;
  box-shadow: 0 8px 24px rgba(2, 136, 209, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.15);
}

.main-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(56, 189, 248, 0.4);
}

.main-btn:active {
  transform: scale(0.97);
}

.reset-btn, .config-btn, .pause-btn {
  background: var(--control-btn-bg);
  border: 1px solid var(--control-btn-border);
  color: var(--color-text-secondary);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.reset-btn:hover {
  background: var(--control-btn-hover);
  color: var(--color-text);
  border-color: var(--color-text-muted);
  transform: rotate(-45deg);
}

.config-btn:hover {
  background: var(--control-btn-hover);
  color: var(--color-text);
  border-color: var(--color-text-muted);
  transform: rotate(45deg);
}

.pause-btn:hover {
  background: var(--control-btn-hover);
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.reset-btn:active, .config-btn:active, .pause-btn:active {
  transform: scale(0.92);
}

/* Contextual Lap/Record Button */
.lap-btn {
  background: rgba(56, 189, 248, 0.08) !important;
  border: 1px solid rgba(56, 189, 248, 0.3) !important;
  color: var(--color-primary) !important;
  width: 48px !important;
  height: 48px !important;
  border-radius: 50% !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: all 0.3s ease !important;
  padding: 0 !important;
  outline: none !important;
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.15) !important;
}

.lap-btn:hover {
  background: rgba(56, 189, 248, 0.15) !important;
  border-color: var(--color-primary) !important;
  color: var(--color-primary) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 16px rgba(56, 189, 248, 0.3) !important;
}

.lap-btn:active {
  transform: scale(0.95) !important;
}

.hidden {
  display: none !important;
}

/* Timelapse Lap Records List Section */
.lap-list-container {
  width: 100%;
  background: rgba(0, 0, 0, 0.1);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 0.75rem 1rem;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  animation: slideDown 0.3s ease;
}

body.light-mode .lap-list-container {
  background: rgba(0, 0, 0, 0.02);
}

.lap-list-header {
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 0.4rem;
  margin-bottom: 0.4rem;
}

.lap-list-header h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
}

.lap-list {
  list-style: none;
  max-height: 100px;
  overflow-y: auto;
  padding-right: 4px;
}

.lap-list::-webkit-scrollbar {
  width: 4px;
}

.lap-list::-webkit-scrollbar-track {
  background: transparent;
}

.lap-list::-webkit-scrollbar-thumb {
  background: var(--card-border);
  border-radius: 10px;
}

.lap-item {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--card-border);
  font-size: 0.75rem;
  animation: fadeIn 0.2s ease;
}

.lap-item:last-child {
  border-bottom: none;
}

.lap-index {
  color: var(--color-text-muted);
  font-weight: 500;
}

.lap-time {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  color: var(--color-primary);
}

/* Manual Lap Entry Form */
.manual-lap-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  width: 100%;
}

#manualLapInput {
  flex-grow: 1;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  padding: 0.45rem 0.75rem;
  font-size: 0.75rem;
  color: var(--color-text);
  outline: none;
  transition: all 0.2s ease;
}

#manualLapInput:focus {
  border-color: var(--color-primary);
  background: rgba(56, 189, 248, 0.05);
}

#addManualLapBtn {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--color-primary);
  border: none;
  color: #0f172a;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

body.light-mode #addManualLapBtn {
  color: white;
}

#addManualLapBtn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--color-primary-glow);
  background: var(--gradient-end);
}

#addManualLapBtn:active {
  transform: translateY(0);
}

.clear-laps-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  align-self: flex-end;
  margin-top: 0.5rem;
  transition: color 0.2s ease;
}

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

/* Settings Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--overlay-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  width: 90%;
  max-width: 380px;
  border-radius: 24px;
  padding: 1.5rem;
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.open .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.modal-header h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
}

.close-modal-btn {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
}

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

.custom-timer-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-group label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-group input {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  color: var(--color-text);
  outline: none;
  transition: all 0.2;
}

.form-group input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.modal-submit-btn {
  background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
  border: none;
  color: #0f172a;
  padding: 0.75rem;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  margin-top: 0.5rem;
  box-shadow: 0 4px 16px var(--color-primary-glow);
  transition: all 0.2s;
}

body.light-mode .modal-submit-btn {
  color: white;
}

.modal-submit-btn:hover {
  box-shadow: 0 6px 20px rgba(56, 189, 248, 0.4);
}

/* Footer Styling */
.app-footer {
  text-align: center;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.app-footer p {
  font-size: 0.65rem;
  color: var(--color-text-muted);
}

.app-footer a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
}

.app-footer a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.seo-footer-text {
  font-style: italic;
  max-width: 380px;
  margin: 0 auto;
  opacity: 0.75;
}

/* Responsive adjust */
@media (max-width: 480px) {
  body {
    padding: 1rem 0.75rem;
  }
  
  .timer-widget {
    padding: 1.25rem;
  }
  
  .timer-circle-outer {
    width: 240px;
    height: 240px;
  }
  
  .shortcut-btn {
    min-width: 80px;
    padding: 0.35rem 0.5rem;
  }
  
  .timer-time {
    font-size: 3rem;
  }
  .timer-time.has-hours {
    font-size: 2.2rem;
  }
  
  .adsense-placeholder {
    padding: 0.5rem;
  }
  .ad-content span {
    font-size: 0.7rem;
  }
}