/*
 * Salad Days Gift Card - Main Stylesheet
 * Follows the affordance kit pattern with CSS cascade layers.
 */

@layer reset, base, affordances, utilities;

/* ============================================
   RESET LAYER - Browser normalization
   ============================================ */
@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  * {
    margin: 0;
    padding: 0;
  }

  html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
  }

  body {
    min-height: 100vh;
  }

  img,
  picture,
  video,
  canvas,
  svg {
    display: block;
    max-width: 100%;
  }

  input,
  button,
  textarea,
  select {
    font: inherit;
  }

  p,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    overflow-wrap: break-word;
  }
}

/* ============================================
   BASE LAYER - CSS variables and typography
   ============================================ */
@layer base {
  :root {
    /* Primary - Salad Days Blue */
    --color-salad-blue: #2B35AF;
    --color-salad-blue-light: #ECEEFB;
    --color-salad-blue-dark: #1E2680;

    /* Secondary - Hot Pink Highlight */
    --color-pink: #FF1493;
    --color-pink-light: #FFE4F0;

    /* Cream Background */
    --color-cream: #FAF7F2;
    --color-cream-dark: #F0EBE3;

    /* Neutrals */
    --color-black: #1A1A1A;
    --color-navy: #2B35AF;
    --color-gray-700: #4A4A4A;
    --color-gray-500: #7A7A7A;
    --color-gray-300: #B8B8B8;
    --color-gray-100: #E5E5E5;
    --color-gray-900: #1A1A1A;
    --color-white: #FFFFFF;

    /* Semantic */
    --color-success: #22C55E;
    --color-error: #E53935;
    --color-warning: #FFB300;
    --color-info: var(--color-salad-blue);

    /* Typography */
    --font-display: 'Recoleta', 'Argent CF', Georgia, serif;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
  }

  body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-black);
    background: var(--color-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* ============================================
   AFFORDANCES LAYER - Semantic UI patterns
   All classes use  for zero specificity
   ============================================ */
@layer affordances {
  /* ----------------------------------------
     Typography
     ---------------------------------------- */
  .ui-display {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
  }

  .ui-heading {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.01em;
  }

  .ui-body {
    font-size: 1rem;
    line-height: 1.5;
  }

  .ui-caption {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
  }

  /* ----------------------------------------
     Container
     ---------------------------------------- */
  .ui-container {
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 1.5rem;
  }

  @media (min-width: 768px) {
    .ui-container {
      padding-inline: 2.5rem;
    }
  }

  /* ----------------------------------------
     Buttons
     ---------------------------------------- */
  .ui-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1;
    border: none;
    border-radius: 9999px;
    transition: all 150ms ease;
    cursor: pointer;
    text-decoration: none;
  }

  .ui-button:focus-visible {
    outline: 2px solid var(--color-salad-blue);
    outline-offset: 2px;
  }

  .ui-button-primary {
    background: var(--color-salad-blue);
    color: var(--color-white);
  }

  .ui-button-primary:hover {
    background: var(--color-salad-blue-dark);
    transform: translateY(-1px);
  }

  .ui-button-primary:active {
    transform: translateY(0);
  }

  .ui-button-secondary {
    background: var(--color-cream);
    color: var(--color-salad-blue);
    border: 2px solid var(--color-salad-blue);
  }

  .ui-button-secondary:hover {
    background: var(--color-salad-blue);
    color: var(--color-white);
  }

  .ui-button-ghost {
    background: transparent;
    color: var(--color-salad-blue);
    padding: 0.5rem 1rem;
  }

  .ui-button-ghost:hover {
    background: var(--color-salad-blue-light);
  }

  /* ----------------------------------------
     Cards
     ---------------------------------------- */
  .ui-card {
    background: var(--color-white);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  }

  .ui-card-elevated {
    box-shadow:
      0 4px 6px -1px rgba(0, 0, 0, 0.1),
      0 2px 4px -1px rgba(0, 0, 0, 0.06);
  }

  .ui-card-interactive {
    transition: transform 150ms ease, box-shadow 150ms ease;
  }

  .ui-card-interactive:hover {
    transform: translateY(-2px);
    box-shadow:
      0 10px 15px -3px rgba(0, 0, 0, 0.1),
      0 4px 6px -2px rgba(0, 0, 0, 0.05);
  }

  /* ----------------------------------------
     Forms
     ---------------------------------------- */
  .ui-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--color-gray-300);
    border-radius: 8px;
    background: var(--color-white);
    transition: border-color 150ms ease, box-shadow 150ms ease;
  }

  .ui-input:focus {
    outline: none;
    border-color: var(--color-salad-blue);
    box-shadow: 0 0 0 3px var(--color-salad-blue-light);
  }

  .ui-input::placeholder {
    color: var(--color-gray-500);
  }

  .ui-input-error {
    border-color: var(--color-error);
  }

  .ui-input-error:focus {
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.2);
  }

  .ui-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-gray-900);
  }

  .ui-field-error {
    font-size: 0.875rem;
    color: var(--color-error);
    margin-top: 0.25rem;
  }

  .ui-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237A7A7A' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
  }

  /* ----------------------------------------
     Highlights (Marker Style)
     ---------------------------------------- */
  .ui-highlight {
    background: var(--color-pink);
    color: var(--color-white);
    padding: 0.1em 0.3em;
    margin: 0 -0.1em;
  }

  .ui-highlight-underline {
    background: linear-gradient(
      to bottom,
      transparent 60%,
      var(--color-pink) 60%
    );
    padding: 0 0.25em;
    margin: 0 -0.25em;
  }

  .ui-highlight-blue {
    background: var(--color-salad-blue);
    color: var(--color-white);
    padding: 0.1em 0.3em;
    margin: 0 -0.1em;
  }

  .ui-highlight-draw {
    background-size: 0% 100%;
    background-repeat: no-repeat;
    transition: background-size 0.5s ease;
  }

  .ui-highlight-draw.is-visible {
    background-size: 100% 100%;
  }

  /* ----------------------------------------
     Amount Selector
     ---------------------------------------- */
  .ui-amount-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  @media (min-width: 640px) {
    .ui-amount-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }
  }

  .ui-amount-option {
    padding: 1rem;
    text-align: center;
    border: 2px solid var(--color-gray-300);
    border-radius: 12px;
    cursor: pointer;
    transition: all 150ms ease;
    background: var(--color-white);
  }

  .ui-amount-option:hover {
    border-color: var(--color-salad-blue);
  }

  .ui-amount-option.is-selected {
    border-color: var(--color-salad-blue);
    background: var(--color-salad-blue-light);
  }

  .ui-amount-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-black);
  }

  .ui-amount-fee {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
  }

  /* CSS-only :has() selector for custom amount visibility in shared partial */
  fieldset:has(#custom_amount_radio:checked) #custom-amount-wrapper,
  fieldset:has(#custom_topup_radio:checked) #custom-topup-wrapper {
    display: block !important;
  }

  /* ----------------------------------------
     Alerts & Feedback
     ---------------------------------------- */
  .ui-alert {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .ui-alert-success {
    background: #DCFCE7;
    color: #166534;
  }

  .ui-alert-error {
    background: #FDECEA;
    color: var(--color-error);
  }

  .ui-alert-warning {
    background: #FFF8E1;
    color: #F57C00;
  }

  .ui-alert-info {
    background: #E3F2FD;
    color: #1976D2;
  }

  /* ----------------------------------------
     Gift Card Component
     ---------------------------------------- */
  .ui-gift-card {
    background: var(--color-salad-blue);
    border-radius: 16px;
    padding: 1.5rem;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
    aspect-ratio: 1.586;
  }

  .ui-gift-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
  }

  .ui-gift-card-code {
    font-family: var(--font-mono);
    font-size: 1.125rem;
    letter-spacing: 0.1em;
    background: var(--color-cream);
    color: var(--color-salad-blue);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    display: inline-block;
  }

  /* ----------------------------------------
     Dashboard (Mobile Merchant)
     ---------------------------------------- */
  .ui-dashboard-header {
    background: var(--color-salad-blue);
    color: var(--color-white);
    padding: 1rem 0 1.5rem;
    padding-top: env(safe-area-inset-top, 1rem);
  }

  @media (min-width: 640px) {
    .ui-dashboard-header {
      padding: 1.5rem 0 2rem;
    }
  }

  @media (min-width: 1024px) {
    .ui-dashboard-header {
      padding: 2rem 0 2.5rem;
    }
  }

  .ui-dashboard-stat {
    background: white;
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  }

  @media (min-width: 1024px) {
    .ui-dashboard-stat {
      padding: 1.5rem;
      border-radius: 16px;
    }
  }

  .ui-dashboard-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-salad-blue);
  }

  @media (min-width: 1024px) {
    .ui-dashboard-stat-value {
      font-size: 2rem;
    }
  }

  .ui-dashboard-stat-label {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  @media (min-width: 1024px) {
    .ui-dashboard-stat-label {
      font-size: 0.875rem;
      margin-top: 0.25rem;
    }
  }

  .ui-scan-button {
    width: 100%;
    padding: 1.25rem;
    font-size: 1.125rem;
    font-weight: 600;
    background: var(--color-pink);
    color: var(--color-white);
    border: none;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    cursor: pointer;
  }

  .ui-scan-button:hover {
    background: #E0118A;
  }

  @media (min-width: 1024px) {
    .ui-scan-button {
      padding: 1.5rem;
      font-size: 1.25rem;
      border-radius: 16px;
    }
  }

  /* ----------------------------------------
     Trader Bottom Navigation
     ---------------------------------------- */
  .ui-trader-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: space-around;
    padding: 0.5rem 0;
    padding-bottom: max(env(safe-area-inset-bottom, 0px), 0.5rem);
    z-index: 50;
  }

  .ui-trader-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    color: var(--color-gray-500);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    transition: color 0.15s ease;
  }

  .ui-trader-nav-item:hover {
    color: var(--color-salad-blue);
  }

  .ui-trader-nav-item.is-active {
    color: var(--color-salad-blue);
  }

  .ui-trader-nav-item svg {
    width: 1.5rem;
    height: 1.5rem;
  }

  /* ----------------------------------------
     QR Code Display
     ---------------------------------------- */
  .ui-qr-container {
    background: var(--color-white);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  }

  .ui-qr-code {
    width: 200px;
    height: 200px;
    margin: 0 auto 1rem;
    padding: 1rem;
    background: var(--color-white);
    border-radius: 12px;
    border: 2px solid var(--color-gray-100);
  }

  .ui-qr-balance {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-salad-blue);
  }

  /* ----------------------------------------
     Sticker Accents
     ---------------------------------------- */
  .ui-sticker {
    position: absolute;
    pointer-events: none;
    z-index: 10;
  }

  /* ----------------------------------------
     Tooltip
     ---------------------------------------- */
  .ui-tooltip-trigger {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    color: var(--color-gray-500);
    cursor: help;
    border-radius: 50%;
    transition: color 150ms ease;
  }

  .ui-tooltip-trigger:hover,
  .ui-tooltip-trigger:focus {
    color: var(--color-salad-blue);
    outline: none;
  }

  .ui-tooltip-trigger:focus-visible {
    outline: 2px solid var(--color-salad-blue);
    outline-offset: 2px;
  }

  .ui-tooltip-trigger svg {
    width: 1rem;
    height: 1rem;
  }

  .ui-tooltip {
    position: absolute;
    bottom: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
    max-width: 280px;
    padding: 0.75rem;
    background: var(--color-gray-900);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: opacity 150ms ease, visibility 150ms ease;
    z-index: 100;
  }

  .ui-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--color-gray-900);
  }

  .ui-tooltip-trigger:hover .ui-tooltip,
  .ui-tooltip-trigger:focus .ui-tooltip {
    opacity: 1;
    visibility: visible;
  }

  .ui-sticker-float {
    animation: float 3s ease-in-out infinite;
  }

  @keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(3deg); }
  }

  /* ----------------------------------------
     Admin Navigation
     ---------------------------------------- */
  .ui-admin-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-salad-blue);
    z-index: 50;
    height: calc(3.5rem + env(safe-area-inset-top, 0px));
    padding-top: env(safe-area-inset-top, 0px);
  }

  .ui-admin-nav-item {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    transition: background 0.15s ease, color 0.15s ease;
  }

  .ui-admin-nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
  }

  .ui-admin-nav-item.is-active {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
  }

  .ui-admin-main {
    padding-top: calc(3.5rem + env(safe-area-inset-top, 0px));
    padding-left: env(safe-area-inset-left, 0px);
    padding-right: env(safe-area-inset-right, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
}

/* ============================================
   UTILITIES LAYER - Tailwind utilities
   Highest priority, override everything
   ============================================ */
@layer utilities {
  /* Screen reader only */
  .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;
  }
}