/* ==========================================================================
   CottageVisit design system
   Identity: a lake depth chart. Shield-lake water, birch, pink granite.
   Display: Young Serif (restrained: wordmark + page titles)
   Body:    Atkinson Hyperlegible Next (readable for every generation at the cottage)
   Utility: Spline Sans Mono (dates, soundings, counts, version)
   ========================================================================== */

:root {
  color-scheme: light;

  /* Palette */
  --birch: #f2f4f1;        /* page */
  --bark: #fbfcfa;         /* raised surfaces */
  --deep: #10292e;         /* ink, deep water */
  --lake: #2c6e73;         /* primary / interactive */
  --shallows: #d4e6e2;     /* tints, chart shallows */
  --granite: #d69a8a;      /* Canadian Shield pink granite: the single warm accent */
  --lichen: #7f9468;       /* done / healthy */

  /* Roles */
  --bg: var(--birch);
  --surface: var(--bark);
  --ink: var(--deep);
  --ink-soft: #4f6567;
  --ink-faint: #7d8f90;
  --rule: #d6dedb;
  --accent: var(--lake);
  --accent-ink: #ffffff;
  --accent-hover: #235a5e;
  --warm: var(--granite);
  --warm-strong: #b4705f;
  --ok: var(--lichen);
  --danger: #b0413e;
  --focus: #e0a493;
  --chart-line: color-mix(in oklab, var(--lake) 70%, transparent);
  --chart-fill: var(--lake);
  --rail-bg: var(--deep);
  --rail-ink: #dbe7e5;

  /* Type */
  --font-display: "Young Serif", Georgia, serif;
  --font-body: "Atkinson Hyperlegible Next", "Segoe UI", system-ui, sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, "Cascadia Mono", monospace;

  --step--1: 0.8125rem;
  --step-0: 1rem;
  --step-1: 1.1875rem;
  --step-2: 1.5rem;
  --step-3: clamp(1.75rem, 1.4rem + 1.4vw, 2.25rem);
  --step-4: clamp(2.25rem, 1.6rem + 2.8vw, 3.75rem);

  /* Space, shape, motion */
  --gutter: clamp(1rem, 0.6rem + 2vw, 2.5rem);
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 0 rgb(16 41 46 / 0.04), 0 8px 24px -12px rgb(16 41 46 / 0.18);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0b1a1d;
    --surface: #11252a;
    --ink: #e3ecea;
    --ink-soft: #a8bbba;
    --ink-faint: #758b8b;
    --rule: #22393d;
    --accent: #7fc0bd;
    --accent-ink: #0b1a1d;
    --accent-hover: #9ad3d0;
    --shallows: #173439;
    --warm: #e5ae9f;
    --warm-strong: #e5ae9f;
    --ok: #a5ba8c;
    --danger: #e98a84;
    --chart-line: color-mix(in oklab, #7fc0bd 55%, transparent);
    --chart-fill: #7fc0bd;
    --rail-bg: #081417;
    --shadow: 0 1px 0 rgb(0 0 0 / 0.2), 0 10px 28px -14px rgb(0 0 0 / 0.6);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1a1d;
  --surface: #11252a;
  --ink: #e3ecea;
  --ink-soft: #a8bbba;
  --ink-faint: #758b8b;
  --rule: #22393d;
  --accent: #7fc0bd;
  --accent-ink: #0b1a1d;
  --accent-hover: #9ad3d0;
  --shallows: #173439;
  --warm: #e5ae9f;
  --warm-strong: #e5ae9f;
  --ok: #a5ba8c;
  --danger: #e98a84;
  --chart-line: color-mix(in oklab, #7fc0bd 55%, transparent);
  --chart-fill: #7fc0bd;
  --rail-bg: #081417;
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.55;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.15; color: var(--ink); }
h1 { font-family: var(--font-display); font-weight: 400; font-size: var(--step-3); letter-spacing: -0.01em; }
h2 { font-size: var(--step-1); font-weight: 700; }
h3 { font-size: var(--step-0); font-weight: 700; }
h1:focus { outline: none; }

p { margin: 0 0 1em; }
a { color: var(--accent); text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-hover); }

hr { border: 0; border-top: 1px solid var(--rule); margin: 1.5rem 0; }

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

::selection { background: color-mix(in oklab, var(--warm) 45%, transparent); }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.mono { font-family: var(--font-mono); font-feature-settings: "tnum" 1; letter-spacing: 0.01em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.6rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font: 600 var(--step-0)/1.2 var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease), border-color 0.15s var(--ease), transform 0.15s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-hover); color: var(--accent-ink); }
.btn-quiet, .btn-secondary { border-color: var(--rule); color: var(--ink); background: var(--surface); }
.btn-quiet:hover, .btn-secondary:hover { border-color: var(--ink-faint); color: var(--ink); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.08); color: #fff; }
.btn-link { color: var(--accent); padding-inline: 0.25rem; text-decoration: underline; text-underline-offset: 0.2em; font-weight: 600; }
.btn-lg { min-height: 3.1rem; padding-inline: 1.5rem; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ---------- Forms (also styles the Identity pages' Bootstrap class names) ---------- */

label, .form-label, .control-label { display: block; font-weight: 600; font-size: var(--step--1); margin-bottom: 0.35rem; color: var(--ink-soft); }

.form-control, input[type="text"], input[type="email"], input[type="password"], input[type="tel"], textarea, select {
  display: block;
  width: 100%;
  min-height: 2.9rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.form-control::placeholder, textarea::placeholder { color: var(--ink-faint); }
.form-control:focus, input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 22%, transparent);
}

/* Bootstrap's floating labels, re-done: label sits above the field instead of floating. */
.form-floating { display: flex; flex-direction: column; }
.form-floating > .form-control::placeholder { color: transparent; }
.form-floating > label { order: -1; }
.form-floating > .validation-message { margin-top: 0.3rem; }

.checkbox label, .form-check { display: flex; align-items: center; gap: 0.6rem; font-weight: 500; color: var(--ink); font-size: var(--step-0); }
.form-check-input, input[type="checkbox"] { width: 1.15rem; height: 1.15rem; accent-color: var(--accent); margin: 0; }

.input-group { display: flex; }
.input-group > .form-control { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.input-group-text { display: flex; align-items: center; padding: 0 0.75rem; border: 1px solid var(--rule); border-left: 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: var(--shallows); }

.valid.modified:not([type=checkbox]) { border-color: var(--ok); }
.invalid { border-color: var(--danger); }
.validation-message, .text-danger { color: var(--danger); font-size: var(--step--1); }
.validation-errors { padding-left: 1.1rem; }
.text-success { color: var(--ok); }
.text-secondary, .text-muted { color: var(--ink-soft); }
.text-info { color: var(--accent); }

/* ---------- Alerts ---------- */

.alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--accent);
  background: var(--surface);
  margin-bottom: 1.25rem;
}
.alert-warning { border-left-color: var(--warm-strong); }
.alert-danger { border-left-color: var(--danger); }
.alert-success { border-left-color: var(--ok); }
.alert-dismissible .btn-close { float: right; border: 0; background: none; cursor: pointer; color: var(--ink-soft); }
.alert-dismissible .btn-close::before { content: "×"; font-size: 1.25rem; }

/* ---------- Bootstrap layout shims used by the Identity pages ---------- */

.row { display: flex; flex-wrap: wrap; gap: 2rem; }
.row > [class*="col-"] { flex: 1 1 18rem; min-width: 0; }
.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.mx-auto { margin-inline: auto; }
.mt-2 { margin-top: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.w-100 { width: 100%; }
.h-100 { height: 100%; }
.font-weight-bold { font-weight: 700; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--rule); }
.nav { list-style: none; margin: 0; padding: 0; display: flex; }
.nav.flex-column { gap: 0.15rem; }
.nav-pills .nav-link { display: block; padding: 0.55rem 0.8rem; border-radius: var(--radius-sm); color: var(--ink-soft); text-decoration: none; font-weight: 600; }
.nav-pills .nav-link:hover { background: var(--shallows); color: var(--ink); }
.nav-pills .nav-link.active { background: var(--shallows); color: var(--ink); box-shadow: inset 3px 0 0 var(--accent); }
.recovery-code { font-family: var(--font-mono); }

/* ---------- Shared building blocks ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-head { margin-bottom: 2rem; }
.page-head h1 { margin-bottom: 0.25rem; }
.page-head p { color: var(--ink-soft); max-width: 46ch; margin: 0; }

/* ---------- Account pages ---------- */

.or-rule {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.5rem 0 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.or-rule::before, .or-rule::after { content: ""; flex: 1; border-top: 1px solid var(--rule); }

.login-form { display: flex; flex-direction: column; }
.login-form > .passkey-first { order: -2; }
.login-form > .or-rule { order: -1; }

.auth-links { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1rem; margin-top: 1rem; font-size: var(--step--1); }
.auth-switch { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--rule); color: var(--ink-soft); }

/* ---------- Blazor plumbing ---------- */

#blazor-error-ui {
  color-scheme: light only;
  background: #fff4d6;
  color: #3b2f0b;
  bottom: 0;
  box-shadow: 0 -1px 2px rgb(0 0 0 / 0.2);
  box-sizing: border-box;
  display: none;
  left: 0;
  padding: 0.75rem 1.25rem 0.85rem;
  position: fixed;
  width: 100%;
  z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 0.75rem; top: 0.5rem; }

.blazor-error-boundary {
  background: var(--danger);
  padding: 1rem;
  color: #fff;
  border-radius: var(--radius-sm);
}
.blazor-error-boundary::after { content: "Something went wrong on this part of the page. Reload to try again."; }

.loading-progress, .loading-progress-text { display: none; }

@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; }
}