/* AskyMikey - shared design system.
   Mobile-first: base rules target phones, media queries widen up.
   Plain NZ English, no corporate phrasing, sun-readable contrast. */

:root {
  --color-bg: #ffffff;
  --color-surface: #f7f5f0;
  --color-text: #1a1a1a;
  --color-text-muted: #5a5a5a;
  --color-border: #d8d4cb;
  --color-primary: #1f5e3b;
  --color-primary-text: #ffffff;
  --color-accent: #5faf4a;
  --color-brown: #7a5a3a;
  --color-gold: #d8a63a;
  --color-danger: #a52a2a;
  --color-danger-text: #ffffff;
  --color-ok: #2a7a2a;
  --color-error: #a52a2a;

  --color-signal-rain: #3b82f6;
  --color-signal-fert: #f59e0b;
  --color-signal-milk: #ef4444;
  --color-signal-benchmark: #8b5cf6;
  --color-signal-none: #9ca3af;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;

  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.15rem;
  --font-size-xl: 1.4rem;

  --radius: 8px;
  --tap-target: 44px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  --nav-size: 56px;
  --nav-size-desktop: 84px;
}

* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg);
  margin: 0;
  line-height: 1.4;
}

h1, h2, h3 { line-height: 1.25; margin: 0 0 var(--space-3) 0; }
h1 { font-size: var(--font-size-xl); }
h2 { font-size: var(--font-size-lg); }

.text-muted { color: var(--color-text-muted); }
.placeholder { color: var(--color-text-muted); }

/* Brand wordmark: "Asky" regular + "Mikey" bold, per brand guidelines. */
.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.brand-mark { height: 40px; width: 40px; flex-shrink: 0; }
.brand-word { font-size: 1.6rem; font-weight: 400; color: var(--color-primary); }
.brand-word b { font-weight: 800; }
.brand-tagline { text-align: center; font-size: var(--font-size-sm); color: var(--color-text-muted); margin: calc(var(--space-4) * -1) 0 var(--space-4); }
.brand-tagline::before, .brand-tagline::after { content: "—"; color: var(--color-accent); margin: 0 var(--space-2); }

.container {
  max-width: 28rem;
  margin: var(--space-6) auto;
  padding: 0 var(--space-4);
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

/* Forms: 16px+ input font-size avoids iOS auto-zoom on focus.
   min-height 44px keeps every input a comfortable tap target. */
.field-row { margin-bottom: var(--space-3); }
.field-row label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}
.field-row input,
.field-row select,
.field-row textarea {
  width: 100%;
  min-height: var(--tap-target);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  box-sizing: border-box;
}
.field-row textarea { min-height: 5rem; }

/* Buttons: minimum 44px tap target on every axis (small-btn is deliberately
   a bit under 44px height for dense rows like the uploads/people lists,
   but still >=36px, comfortable enough for a secondary action). */
.btn, button, input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-target);
  min-width: var(--tap-target);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}
.btn-primary, button[type="submit"] { background: var(--color-primary); color: var(--color-primary-text); border-color: var(--color-primary); }
.btn-danger { background: var(--color-danger); color: var(--color-danger-text); border-color: var(--color-danger); }
.small-btn { min-height: 36px; padding: var(--space-1) var(--space-3); font-size: var(--font-size-sm); }
.btn-link { background: none; border: none; color: var(--color-primary); text-decoration: underline; padding: var(--space-2); min-height: var(--tap-target); }

.status-msg { font-size: var(--font-size-sm); margin-top: var(--space-2); }
.status-msg.ok { color: var(--color-ok); }
.status-msg.error { color: var(--color-error); }

.row, .signal-row, .upload-row, .prompt-row { border-bottom: 1px solid var(--color-border); padding: var(--space-2) 0; font-size: var(--font-size-sm); }
.signal-row { display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); }
.signal-feedback { display: flex; gap: var(--space-1); flex-shrink: 0; }
.signal-feedback-btn { min-width: 44px; min-height: 44px; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-bg); cursor: pointer; font-size: 1.1rem; }
.signal-feedback-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-primary-text); }

.legend { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-2) var(--space-3); font-size: var(--font-size-sm); box-shadow: var(--shadow); }
.legend span { display: inline-block; width: 0.8rem; height: 0.8rem; margin-right: var(--space-1); vertical-align: middle; border-radius: 2px; }

.section { border-top: 1px solid var(--color-border); margin-top: var(--space-4); padding-top: var(--space-4); }

/* App nav: persistent on every authenticated screen (map.html, profile.html).
   Bottom tab bar on phones (thumb reach); left icon rail on desktop, matching
   the 768px breakpoint the map page already uses for its side panel. */
.app-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: var(--nav-size);
  display: flex;
  background: var(--color-primary);
  z-index: 30;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.12);
}
.app-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: var(--tap-target);
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.7rem;
}
.app-nav-item svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.app-nav-item.active { color: var(--color-primary-text); font-weight: 600; }

.app-nav-brand { display: none; }

@media (min-width: 768px) {
  .app-nav {
    position: static;
    flex-direction: column;
    width: var(--nav-size-desktop);
    height: 100vh;
    flex-shrink: 0;
    box-shadow: none;
    border-right: 1px solid rgba(0, 0, 0, 0.15);
  }
  .app-nav-item { flex: none; padding: var(--space-4) 0; font-size: var(--font-size-sm); }
  .app-nav-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }
  .app-nav-brand img { width: 32px; height: 32px; }
}

/* Install-to-home-screen nudge banner, injected by install-prompt.js.
   Sits above the bottom app-nav tab bar on phones. */
.install-banner {
  position: fixed;
  left: var(--space-3); right: var(--space-3);
  bottom: calc(var(--nav-size) + var(--space-3));
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-2) var(--space-3);
  z-index: 40;
}
.install-banner img { width: 32px; height: 32px; border-radius: 6px; flex-shrink: 0; }
.install-banner-text { flex: 1; font-size: var(--font-size-sm); }
.install-banner-action {
  flex-shrink: 0;
  background: var(--color-primary);
  color: var(--color-primary-text);
  border: none;
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  font-weight: 600;
  min-height: var(--tap-target);
}
.install-banner-dismiss {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.3rem;
  line-height: 1;
  padding: var(--space-1);
  min-width: var(--tap-target);
  min-height: var(--tap-target);
}
@media (min-width: 768px) {
  .install-banner { left: calc(var(--nav-size-desktop) + var(--space-3)); bottom: var(--space-3); max-width: 28rem; }
}

/* Plain page shell for non-map authenticated screens (e.g. profile.html):
   nav on the left/bottom, scrollable content area beside/above it. */
.app-shell { margin: 0; }
.app-main { padding-bottom: calc(var(--nav-size) + var(--space-4)); }
@media (min-width: 768px) {
  .app-shell { display: flex; min-height: 100vh; }
  .app-main { flex: 1; height: 100vh; overflow-y: auto; padding-bottom: var(--space-4); }
}