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a2ui

0.1.0
0.2.0 0.1.0
Elixir renderer for the A2UI v0.9 protocol — server-driven UI over Phoenix LiveView
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a2ui priv static a2ui.css
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priv/static/a2ui.css

/* A2UI Component Stylesheet */

:root {
  --a2ui-primary: #2563eb;
  --a2ui-primary-hover: #1d4ed8;
  --a2ui-border: #d1d5db;
  --a2ui-border-focus: #2563eb;
  --a2ui-bg: #ffffff;
  --a2ui-bg-muted: #f9fafb;
  --a2ui-text: #1a1a1a;
  --a2ui-text-muted: #6b7280;
  --a2ui-radius: 8px;
  --a2ui-radius-sm: 4px;
  --a2ui-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --a2ui-gap: 0.75rem;
}

/* Surface */
.a2ui-surface { width: 100%; }

/* Text */
.a2ui-text { line-height: 1.5; }
.a2ui-text--h1 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.5rem; }
.a2ui-text--h2 { font-size: 1.5rem; font-weight: 600; margin-bottom: 0.4rem; }
.a2ui-text--h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.3rem; }
.a2ui-text--h4 { font-size: 1.1rem; font-weight: 600; }
.a2ui-text--h5 { font-size: 1rem; font-weight: 600; }
.a2ui-text--body { font-size: 1rem; font-weight: 400; }
.a2ui-text--caption { font-size: 0.85rem; color: var(--a2ui-text-muted); }

/* Button */
.a2ui-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.25rem;
  border-radius: var(--a2ui-radius);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
  line-height: 1.5;
}
.a2ui-button--primary {
  background: var(--a2ui-primary);
  color: #fff;
  border-color: var(--a2ui-primary);
}
.a2ui-button--primary:hover { background: var(--a2ui-primary-hover); border-color: var(--a2ui-primary-hover); }
.a2ui-button--default {
  background: var(--a2ui-bg);
  color: var(--a2ui-text);
  border-color: var(--a2ui-border);
}
.a2ui-button--default:hover { background: var(--a2ui-bg-muted); }
.a2ui-button--borderless {
  background: transparent;
  color: var(--a2ui-primary);
}
.a2ui-button--borderless:hover { background: var(--a2ui-bg-muted); }

/* Card */
.a2ui-card {
  background: var(--a2ui-bg);
  border-radius: var(--a2ui-radius);
  box-shadow: var(--a2ui-shadow);
  padding: 1.25rem;
}

/* Row & Column */
.a2ui-row { display: flex; flex-direction: row; gap: var(--a2ui-gap); }
.a2ui-column { display: flex; flex-direction: column; gap: var(--a2ui-gap); }

/* Layout utilities */
.a2ui-justify-start { justify-content: flex-start; }
.a2ui-justify-center { justify-content: center; }
.a2ui-justify-end { justify-content: flex-end; }
.a2ui-justify-space-between { justify-content: space-between; }
.a2ui-justify-space-around { justify-content: space-around; }
.a2ui-justify-space-evenly { justify-content: space-evenly; }
.a2ui-align-start { align-items: flex-start; }
.a2ui-align-center { align-items: center; }
.a2ui-align-end { align-items: flex-end; }
.a2ui-align-stretch { align-items: stretch; }
[style*="--a2ui-weight"] { flex-grow: var(--a2ui-weight); }

/* TextField */
.a2ui-text-field { display: flex; flex-direction: column; gap: 0.3rem; }
.a2ui-text-field label { font-size: 0.9rem; font-weight: 500; }
.a2ui-text-field__input {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--a2ui-border);
  border-radius: var(--a2ui-radius-sm);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.a2ui-text-field__input:focus {
  border-color: var(--a2ui-border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}
.a2ui-text-field--invalid .a2ui-text-field__input {
  border-color: var(--a2ui-error, #dc2626);
}
.a2ui-text-field--invalid .a2ui-text-field__input:focus {
  border-color: var(--a2ui-error, #dc2626);
  box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.2);
}
.a2ui-text-field__error {
  font-size: 0.8rem;
  color: var(--a2ui-error, #dc2626);
  margin-top: -0.1rem;
}

/* DateTimeInput */
.a2ui-datetime-input { display: flex; flex-direction: column; gap: 0.3rem; }
.a2ui-datetime-input label { font-size: 0.9rem; font-weight: 500; }
.a2ui-datetime-input__input {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--a2ui-border);
  border-radius: var(--a2ui-radius-sm);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.a2ui-datetime-input__input:focus {
  border-color: var(--a2ui-border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* Slider */
.a2ui-slider { display: flex; flex-direction: column; gap: 0.3rem; }
.a2ui-slider input[type="range"] {
  width: 100%;
  accent-color: var(--a2ui-primary);
}

/* CheckBox */
.a2ui-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.a2ui-checkbox label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.95rem;
}
.a2ui-checkbox input[type="checkbox"] { accent-color: var(--a2ui-primary); }

/* ChoicePicker */
.a2ui-choice-picker {
  border: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.a2ui-choice-picker__option label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.95rem;
  padding: 0.3rem 0;
}
.a2ui-choice-picker__option input { accent-color: var(--a2ui-primary); }

/* Divider */
.a2ui-divider--horizontal {
  border: none;
  border-top: 1px solid var(--a2ui-border);
  margin: 0.5rem 0;
}
.a2ui-divider--vertical {
  border: none;
  border-left: 1px solid var(--a2ui-border);
  align-self: stretch;
  margin: 0 0.5rem;
}

/* Icon */
.a2ui-icon { display: inline-flex; align-items: center; }

/* Image */
.a2ui-image { max-width: 100%; height: auto; border-radius: var(--a2ui-radius-sm); }
.a2ui-image--fit-cover { object-fit: cover; }
.a2ui-image--fit-contain { object-fit: contain; }
.a2ui-image--fit-fill { object-fit: fill; }
.a2ui-image--fit-none { object-fit: none; }
.a2ui-image--fit-scale-down { object-fit: scale-down; }
.a2ui-image--icon { width: 1.5rem; height: 1.5rem; border-radius: var(--a2ui-radius-sm); }
.a2ui-image--avatar { width: 3rem; height: 3rem; border-radius: 50%; object-fit: cover; }
.a2ui-image--small-feature { max-width: 12rem; }
.a2ui-image--medium-feature { max-width: 24rem; }
.a2ui-image--large-feature { max-width: 40rem; }
.a2ui-image--header { width: 100%; max-height: 20rem; object-fit: cover; }

/* List */
.a2ui-list { display: flex; flex-direction: column; }
.a2ui-list--horizontal { flex-direction: row; }
.a2ui-list__item { padding: 0.25rem 0; }

/* Tabs */
.a2ui-tabs {}
.a2ui-tabs__bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--a2ui-border);
  margin-bottom: 1rem;
}
.a2ui-tabs__tab {
  padding: 0.5rem 1rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--a2ui-text-muted);
  transition: color 0.15s, border-color 0.15s;
}
.a2ui-tabs__tab:hover { color: var(--a2ui-text); }
.a2ui-tabs__tab--active {
  color: var(--a2ui-primary);
  border-bottom-color: var(--a2ui-primary);
  font-weight: 500;
}
.a2ui-tabs__panel--hidden { display: none; }

/* Modal */
.a2ui-modal__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.a2ui-modal__overlay--hidden { display: none; }
.a2ui-modal__content {
  background: var(--a2ui-bg);
  border-radius: var(--a2ui-radius);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
  padding: 1.5rem;
  max-width: 90vw;
  max-height: 90vh;
  overflow: auto;
}

/* StatusBadge */
.a2ui-status-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.2rem 0.7rem;
  border-radius: 9999px;
  line-height: 1.5;
  background: #e5e7eb;
  color: #374151;
}
.a2ui-status-badge--confirmed { background: #d1fae5; color: #065f46; }
.a2ui-status-badge--pending { background: #fef3c7; color: #92400e; }
.a2ui-status-badge--unknown { background: #e5e7eb; color: #374151; }
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