/* Shared design tokens and resets for the whole app. Page-specific CSS
   files build on top of this rather than repeating these values. */

:root {
  --color-bg: #f7f6f3;
  --color-surface: #ffffff;
  --color-text: #1f2328;
  --color-text-muted: #6b7280;
  --color-text-faint: #c7cbd1;
  --color-border: #e2e0da;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-danger: #b91c1c;
  --color-danger-bg: #fef2f2;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Sized for a 10" touchscreen viewed from a few feet away as much as
     for a phone in hand — err large rather than compact. */
  --font-size-base: 18px;
  --touch-target-min: 48px;
  --radius: 12px;
  --spacing-unit: 8px;
}

* {
  box-sizing: border-box;
}

/* Any element-specific `display` rule (e.g. `.foo { display: flex }`) can
   accidentally out-rank the browser's default `[hidden] { display: none }`
   UA rule at equal specificity — this guards every page against that
   class of bug rather than patching it one component at a time. Toggle
   visibility with `el.hidden = true/false`, not inline styles. */
[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  margin: 0 0 calc(var(--spacing-unit) * 2) 0;
  font-weight: 600;
}

label {
  display: block;
  font-weight: 500;
  margin-bottom: calc(var(--spacing-unit) / 2);
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="time"] {
  width: 100%;
  min-height: var(--touch-target-min);
  padding: 0 calc(var(--spacing-unit) * 1.5);
  font-size: inherit;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-surface);
  color: var(--color-text);
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="date"]:focus,
input[type="time"]:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

button {
  min-height: var(--touch-target-min);
  padding: 0 calc(var(--spacing-unit) * 3);
  font-size: inherit;
  font-family: inherit;
  font-weight: 600;
  color: #fff;
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
}

button:hover {
  background-color: var(--color-primary-hover);
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

.button-secondary {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.button-secondary:hover {
  background-color: var(--color-bg);
}

.button-danger {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
}

.button-danger:hover {
  background-color: var(--color-danger-bg);
  filter: brightness(0.95);
}

/* Shared by every dashboard page (Tasks, Calendar, Lists, ...): a title +
   primary-action header, and a small inline "add X" form that toggles
   visible beneath it. */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 3) 0;
}

.page-header h1 {
  margin: 0;
}

.inline-form {
  display: flex;
  gap: calc(var(--spacing-unit));
  align-items: center;
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
}

.inline-form input[type="text"] {
  max-width: 200px;
}

a {
  color: var(--color-primary);
}