/**
 * Breastfeeding Tracker - Feminine Mobile-First Stylesheet
 * Soft colors, rounded corners, touch-friendly interface
 */

/* ===========================
   CSS Variables - Feminine Color Palette
   =========================== */
:root {
  /* Primary Colors */
  --color-pink: #FFB6C1;
  --color-purple: #E6B8E6;
  --color-coral: #FF9999;

  /* Background Colors */
  --color-cream: #FFF8F0;
  --color-lavender: #F3E5F5;
  --color-white: #FFFFFF;

  /* Text Colors */
  --color-text-dark: #333333;
  --color-text-medium: #666666;
  --color-text-light: #999999;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
}

/* ===========================
   Reset & Base Styles
   =========================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-lavender) 100%);
  color: var(--color-text-dark);
  line-height: 1.6;
  min-height: 100vh;
  min-height: -webkit-fill-available; /* iOS Safari fix */
  padding: var(--spacing-md);
  overflow-x: hidden;
}

/* iOS Safari specific fixes */
@supports (-webkit-touch-callout: none) {
  body {
    /* Prevent overscroll bounce */
    position: fixed;
    width: 100%;
    height: 100vh;
    overflow-y: auto;
  }
}

/* ===========================
   Typography
   =========================== */
h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-dark);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* ===========================
   Header
   =========================== */
header {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

/* ===========================
   Main Content Area
   =========================== */
main {
  max-width: 600px;
  margin: 0 auto;
}

section {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

/* ===========================
   Utility Classes
   =========================== */
.hidden {
  display: none !important;
}

/* ===========================
   Timer Controls
   =========================== */
#timer-controls {
  text-align: center;
}

.timer-controls h2 {
  margin-bottom: var(--spacing-lg);
  font-size: 1.5rem;
  color: var(--color-text-dark);
}

.button-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

button {
  /* Remove iOS default button styling */
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;

  font-family: inherit;
  font-size: 1.125rem;
  font-weight: 600;
  padding: var(--spacing-lg);
  min-height: 80px; /* Touch-friendly minimum 44px, we go larger */
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);

  /* Prevent text selection on touch */
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.breast-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.button-icon {
  font-size: 1.5rem;
}

.button-label {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.left-button {
  background: linear-gradient(135deg, var(--color-pink) 0%, var(--color-coral) 100%);
  color: white;
}

.right-button {
  background: linear-gradient(135deg, var(--color-purple) 0%, var(--color-pink) 100%);
  color: white;
}

button:active,
button.active {
  transform: scale(0.95);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

button:disabled,
button.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.stop-button {
  background: linear-gradient(135deg, var(--color-coral) 0%, #ff6666 100%);
  color: white;
  font-size: 1.25rem;
  margin-top: var(--spacing-lg);
  width: 100%;
  max-width: 300px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* ===========================
   Timer Display
   =========================== */
.timer-display {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-text-dark);
  text-align: center;
  margin: var(--spacing-lg) 0;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* ===========================
   Active Session
   =========================== */
#active-session {
  background: linear-gradient(135deg, var(--color-lavender) 0%, var(--color-white) 100%);
  text-align: center;
}

#active-breast-label {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-md);
}

.session-info {
  text-align: center;
}

.session-side {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

/* ===========================
   History Log
   =========================== */
.history-section {
  max-height: 500px;
  overflow-y: auto;
}

.history-header h2 {
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
  color: var(--color-text-dark);
}

.history-list {
  list-style: none;
}

.history-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: var(--color-lavender);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-pink);
  transition: all 0.2s ease;
  position: relative;
}

.history-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.history-side {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
}

.history-side.left {
  background: linear-gradient(135deg, var(--color-pink) 0%, var(--color-coral) 100%);
  color: white;
}

.history-side.right {
  background: linear-gradient(135deg, var(--color-purple) 0%, var(--color-pink) 100%);
  color: white;
}

.history-details {
  flex: 1;
}

.history-time {
  font-size: 0.875rem;
  color: var(--color-text-medium);
  margin-bottom: var(--spacing-xs);
}

.history-duration {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-dark);
}

.delete-button {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  padding: var(--spacing-xs);
  min-height: unset;
  cursor: pointer;
  opacity: 0.6;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-left: auto;
}

.delete-button:hover {
  opacity: 1;
  transform: scale(1.1);
  background: rgba(255, 255, 255, 0.5);
}

.delete-button:active {
  transform: scale(0.95);
}

.delete-confirm-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: var(--spacing-sm);
}

.delete-confirm-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin: 0;
}

.delete-confirm-buttons {
  display: flex;
  gap: var(--spacing-sm);
  width: 100%;
  max-width: 300px;
}

.confirm-delete-button,
.cancel-delete-button {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 40px;
  transition: all 0.2s ease;
}

.confirm-delete-button {
  background: linear-gradient(135deg, var(--color-coral) 0%, #ff6666 100%);
  color: white;
}

.confirm-delete-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.confirm-delete-button:active {
  transform: translateY(0);
}

.cancel-delete-button {
  background: var(--color-white);
  color: var(--color-text-dark);
  box-shadow: inset 0 0 0 2px var(--color-text-medium);
}

.cancel-delete-button:hover {
  background: var(--color-text-light);
  color: white;
}

.cancel-delete-button:active {
  transform: scale(0.95);
}

.empty-state {
  text-align: center;
  color: var(--color-text-light);
  padding: var(--spacing-xl);
  font-style: italic;
}

/* ===========================
   Footer
   =========================== */
footer {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  color: var(--color-text-medium);
  font-size: 0.875rem;
}

/* ===========================
   Responsive Design - Tablet
   =========================== */
@media (min-width: 768px) {
  body {
    padding: var(--spacing-xl);
  }

  h1 {
    font-size: 2.5rem;
  }

  .timer-display {
    font-size: 4.5rem;
  }

  button {
    font-size: 1.25rem;
    min-height: 100px;
  }
}

/* ===========================
   Responsive Design - Desktop
   =========================== */
@media (min-width: 1024px) {
  .timer-display {
    font-size: 5rem;
  }

  #history-log {
    max-height: 500px;
  }
}

/* ===========================
   Accessibility - Reduced Motion
   =========================== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===========================
   Dark Mode Support (Optional)
   =========================== */
@media (prefers-color-scheme: dark) {
  :root {
    --color-cream: #2a2a2a;
    --color-lavender: #3a3a3a;
    --color-white: #1e1e1e;
    --color-text-dark: #e0e0e0;
    --color-text-medium: #b0b0b0;
    --color-text-light: #808080;
  }

  body {
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-lavender) 100%);
  }
}