/* ============================================
   Multifunctional Clock — 2026 Modernized
   Color palette synced from portfolio base.css
   ============================================ */

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Mobile touch optimization */
html {
  touch-action: manipulation;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

/* ---- Design tokens (portfolio palette) ---- */
:root {
  /* Core palette — from portfolio base.css */
  --color-white: rgb(255, 255, 255);
  --color-primary: rgb(178, 77, 137);
  --color-primary-light: rgb(241, 199, 232);
  --color-primary-dark: rgb(95, 41, 74);
  --color-background: rgb(255, 250, 253);
  --color-text: rgb(33, 33, 33);
  --color-heading: var(--color-primary);
  --color-accent: rgb(165, 79, 144);
  --color-card-bg: rgb(254, 239, 249);
  --color-button: rgb(148, 75, 118);
  --color-button-hover: rgb(130, 62, 100);
  --color-text-secondary: rgb(100, 100, 100);

  /* Shadows — derived from primary */
  --shadow-sm: 0 2px 8px rgba(178, 77, 137, 0.1);
  --shadow-md: 0 4px 16px rgba(178, 77, 137, 0.15);
  --shadow-lg: 0 8px 32px rgba(178, 77, 137, 0.18);
  --shadow-focus: 0 0 0 3px rgba(178, 77, 137, 0.2);

  /* Radii */
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 50px;

  /* Timing */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.25s var(--ease-out);
}

/* ---- Body ---- */
body {
  background: var(--color-background);
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    'Fira Sans',
    'Droid Sans',
    'Helvetica Neue',
    sans-serif;
  color: var(--color-text);
  line-height: 1.6;
  font-weight: 400;
  min-height: 100dvh;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Layout ---- */
main {
  max-width: 560px;
  margin: 0 auto;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.main-container {
  min-height: 85dvh;
}

/* ---- Typography ---- */
h1, h2, h3, h4 {
  color: var(--color-heading);
  text-align: center;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
}

h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1rem;
  font-weight: 600;
}

h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* ---- Links ---- */
a {
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 500;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent);
}

.navigation-links {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.external-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  background: var(--color-white);
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  line-height: 1.2;
}

.external-link:hover {
  background: var(--color-card-bg);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  color: var(--color-accent);
  border-color: var(--color-primary);
}

/* ---- Dropdown selector ---- */
#function-selector {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  padding: 0.65rem 2rem 0.65rem 1rem;
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-sm);
  background: var(--color-card-bg);
  color: var(--color-accent);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  transition: all var(--transition);
  cursor: pointer;
  display: block;
  box-shadow: var(--shadow-sm);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b24d89' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 0.9rem;
  text-align: center;
}

#function-selector:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md), var(--shadow-focus);
}

/* ---- Clock container (card) ---- */
.clock-container {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(178, 77, 137, 0.1);
  width: 100%;
  max-width: 480px;
  animation: fadeInUp 0.4s var(--ease-out);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Clock displays ---- */
.clock-display {
  text-align: center;
  font-size: clamp(1.4rem, 5vw, 1.8rem);
  margin: 0.75rem 0;
  font-weight: 600;
  color: var(--color-text);
}

.time-display {
  text-align: center;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: clamp(1.2rem, 4vw, 1.5rem);
  color: var(--color-accent);
  letter-spacing: 0.05em;
  font-weight: 600;
}

.time-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 1rem;
  font-weight: 600;
  margin: 1rem 0;
}

/* Greeting message — softer, italic for personality */
#greeting-message {
  color: var(--color-accent);
  font-style: italic;
  font-size: clamp(1.1rem, 3.5vw, 1.3rem);
}

/* Countdown display — large, prominent */
#countdown-display {
  font-size: clamp(1.8rem, 6vw, 2.4rem);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: 0.5rem 0;
}

/* ---- Buttons ---- */
.button {
  background: linear-gradient(145deg, var(--color-button), var(--color-button-hover));
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.2rem;
  min-width: 80px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.88rem;
  font-family: inherit;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
  margin: 4px;
}

.button:hover {
  background: linear-gradient(145deg, var(--color-button-hover), var(--color-primary-dark));
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.button:active {
  transform: translateY(0) scale(0.97);
  box-shadow: var(--shadow-sm);
}

.button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  background: var(--color-primary-light);
  color: var(--color-text-secondary);
}

.center-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.button-container {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

/* ---- Clock format toggle ---- */
.clock-format-toggle {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}

.format-toggle-btn {
  background: linear-gradient(145deg, var(--color-button), var(--color-button-hover));
  color: var(--color-white);
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
}

.format-toggle-btn:hover {
  background: linear-gradient(145deg, var(--color-button-hover), var(--color-primary-dark));
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.format-toggle-btn:active {
  transform: translateY(0) scale(0.97);
}

/* ---- Timer presets ---- */
.timer-presets {
  margin-bottom: 1.5rem;
}

.preset-buttons {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.preset-btn {
  background: var(--color-card-bg);
  color: var(--color-accent);
  border: 1.5px solid var(--color-primary-light);
  border-radius: var(--radius-pill);
  padding: 0.45rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.preset-btn:active {
  transform: translateY(0) scale(0.97);
}

/* ---- Timer inputs / spinners ---- */
.timer-inputs {
  margin-bottom: 1.25rem;
}

.time-input-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 0.75rem;
}

.time-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.time-spinner label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.spinner-container {
  display: flex;
  align-items: center;
  background: var(--color-white);
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition);
}

.spinner-container:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md), var(--shadow-focus);
}

.timer-input {
  width: 56px;
  text-align: center;
  border: none;
  background: transparent;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  padding: 0.6rem 0.4rem;
  outline: none;
  font-family: inherit;
}

/* Hide default number input spinner arrows */
.timer-input::-webkit-outer-spin-button,
.timer-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.timer-input[type=number] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.spinner-btn {
  width: 38px;
  height: 38px;
  border: none;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.spinner-btn:active {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

.time-separator {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* ---- Time preview ---- */
.time-preview {
  text-align: center;
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  background: var(--color-card-bg);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-primary);
}

.preview-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 0.25rem;
}

.preview-time {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  letter-spacing: 0.05em;
}

/* ---- Lap list ---- */
.lap-list {
  max-height: 220px;
  max-width: 360px;
  overflow-y: auto;
  padding: 0.75rem 0.75rem 0.75rem 2.25rem;
  margin: 0 auto;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-primary-light);
}

.lap-list:empty {
  display: none;
}

.lap-list li {
  margin-bottom: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--color-card-bg);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.88rem;
  transition: all var(--transition);
}

.lap-list li:last-child {
  margin-bottom: 0;
}

.lap-list li:hover {
  background: var(--color-primary-light);
  transform: translateX(3px);
}

/* ---- Footer ---- */
.app-footer {
  color: var(--color-text);
  margin: 2rem 0 1rem;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
  padding: 0 1rem;
}

/* ---- Prevent text selection on mobile (except where needed) ---- */
* {
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

input,
.clock-display,
.time-display,
.preview-time,
#elapsed-time-display,
#countdown-display {
  -webkit-user-select: text;
  -moz-user-select: text;
  user-select: text;
}

/* Prevent zoom on input focus (iOS) */
input[type="number"] {
  font-size: 16px;
}

/* Better touch targets */
.button,
.external-link,
.preset-btn,
.spinner-btn {
  min-height: 44px;
  min-width: 44px;
}

a,
button,
input,
select {
  touch-action: manipulation;
}

/* ---- Accessibility: visually hidden ---- */
.visually-hidden {
  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;
}

/* ---- Focus styles ---- */
button:focus-visible,
select:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: var(--shadow-focus);
}

/* Remove focus outline for mouse users */
button:focus:not(:focus-visible),
select:focus:not(:focus-visible),
input:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
  box-shadow: none;
}

/* ---- Touch device overrides ---- */
@media (hover: none) and (pointer: coarse) {
  .button:hover,
  .external-link:hover,
  .preset-btn:hover,
  .format-toggle-btn:hover,
  .spinner-btn:hover,
  .lap-list li:hover {
    transform: none;
  }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  main {
    padding: 1rem 0.5rem;
    gap: 1rem;
  }

  .main-container {
    min-height: 80dvh;
  }

  .clock-container {
    padding: 1.25rem 1rem;
  }

  .navigation-links {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .external-link {
    width: 100%;
    max-width: 260px;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }

  #function-selector {
    max-width: 260px;
    font-size: 0.85rem;
  }

  .time-container {
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.9rem;
  }

  .preset-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.78rem;
  }

  .time-input-group {
    flex-direction: column;
    gap: 0.75rem;
  }

  .time-separator {
    display: none;
  }

  .button {
    padding: 0.55rem 0.9rem;
    font-size: 0.82rem;
    min-width: 70px;
  }

  .app-footer {
    font-size: 0.78rem;
    margin: 1.5rem 0 0.75rem;
  }
}

@media (max-width: 480px) {
  main {
    padding: 0.5rem 0.25rem;
    gap: 0.75rem;
  }

  .main-container {
    min-height: 75dvh;
  }

  .clock-container {
    padding: 1rem 0.75rem;
    border-radius: 16px;
  }

  h1 {
    font-size: clamp(1.2rem, 6vw, 1.5rem);
  }

  .clock-display {
    font-size: 1.2rem;
  }

  .time-display {
    font-size: 1rem;
  }

  .external-link {
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    max-width: 220px;
    min-height: 44px;
  }

  #function-selector {
    max-width: 220px;
    font-size: 0.8rem;
  }

  .preset-buttons {
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
  }

  .preset-btn {
    width: 100%;
    max-width: 180px;
  }

  .preview-time {
    font-size: 1.3rem;
  }

  .button {
    padding: 0.5rem 0.7rem;
    font-size: 0.78rem;
    min-height: 44px;
  }

  .app-footer {
    font-size: 0.72rem;
    margin: 1rem 0 0.5rem;
  }
}

@media (max-width: 360px) {
  h1 {
    font-size: 1.1rem;
  }

  .clock-container {
    padding: 0.75rem 0.5rem;
  }

  .external-link {
    max-width: 190px;
    font-size: 0.75rem;
  }

  .button {
    padding: 0.45rem 0.5rem;
    font-size: 0.72rem;
  }

  .preset-btn {
    max-width: 160px;
    font-size: 0.72rem;
  }
}

/* ---- Coarse pointer: bigger touch targets ---- */
@media (pointer: coarse) {
  .button,
  .external-link,
  .preset-btn,
  .spinner-btn {
    min-height: 48px;
    min-width: 48px;
  }

  .timer-input {
    min-height: 48px;
  }

  #function-selector {
    min-height: 48px;
  }
}

/* ---- High contrast mode ---- */
@media (prefers-contrast: high) {
  :root {
    --color-primary: rgb(128, 0, 128);
    --color-accent: rgb(75, 0, 130);
    --color-text: rgb(0, 0, 0);
    --color-background: rgb(255, 255, 255);
    --color-card-bg: rgb(255, 255, 255);
    --color-text-secondary: rgb(0, 0, 0);
    --color-primary-light: rgb(150, 50, 150);
    --color-button: rgb(75, 0, 130);
    --color-button-hover: rgb(50, 0, 100);
  }

  .clock-container {
    border: 2px solid var(--color-text);
  }

  .button,
  .external-link,
  .preset-btn,
  .spinner-btn {
    border: 2px solid var(--color-text);
  }
}

/* ---- Reduced motion ---- */
@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;
  }

  .button:hover,
  .external-link:hover,
  .preset-btn:hover,
  .format-toggle-btn:hover,
  .lap-list li:hover {
    transform: none;
  }
}

/* ---- Dark mode ---- */
@media (prefers-color-scheme: dark) {
  :root {
    --color-white: rgb(30, 30, 30);
    --color-primary: rgb(200, 120, 180);
    --color-primary-light: rgb(80, 50, 70);
    --color-primary-dark: rgb(230, 170, 210);
    --color-background: rgb(18, 18, 18);
    --color-text: rgb(240, 240, 240);
    --color-heading: rgb(200, 120, 180);
    --color-accent: rgb(180, 100, 160);
    --color-card-bg: rgb(40, 35, 40);
    --color-text-secondary: rgb(180, 180, 180);
    --color-button: rgb(160, 80, 130);
    --color-button-hover: rgb(130, 60, 105);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-focus: 0 0 0 3px rgba(200, 120, 180, 0.3);
  }

  .clock-container {
    background: var(--color-card-bg);
    border-color: rgba(200, 120, 180, 0.15);
  }

  .spinner-container {
    border-color: rgba(200, 120, 180, 0.2);
    background: rgba(255, 255, 255, 0.05);
  }

  .time-preview {
    background: rgba(200, 120, 180, 0.1);
    border-left-color: var(--color-primary);
  }

  .lap-list {
    border-color: rgba(200, 120, 180, 0.2);
  }

  .spinner-btn {
    background: rgba(200, 120, 180, 0.15);
    color: var(--color-primary);
  }

  .preset-btn {
    background: rgba(200, 120, 180, 0.1);
    border-color: rgba(200, 120, 180, 0.2);
  }

  #countdown-display {
    color: var(--color-primary);
  }

  .button:disabled {
    background: rgba(200, 120, 180, 0.1);
    color: var(--color-text-secondary);
  }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-background);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary-light) var(--color-background);
}