/* the android app's colors; primary darker than its #048a95 for AA contrast on white */
:root {
    --primary: #037680;
    --primary-dark: #036b70;   /* primary_700 */
    --primary-light: #60c3ca;  /* primary_200 */
    --primary-text: #037680;
    --primary-tint: rgba(3, 118, 128, .12);
    --on-primary: #ffffff;
    --map-accent: #6200ee;
    --heading: #141c5c;
    --bg: #f5f5f5;
    --surface: #ffffff;
    --field: rgba(0, 0, 0, .05);
    --text: #212121;
    --muted: #6b6b6b;
    --divider: #e0e0e0;
    --field-line: rgba(0, 0, 0, .42);
    --error: #b00020;
    --radius: 4px;
    --shadow: 0 2px 1px -1px rgba(0, 0, 0, .2), 0 1px 1px rgba(0, 0, 0, .14), 0 1px 3px rgba(0, 0, 0, .12);
    --shadow-raised: 0 3px 5px -1px rgba(0, 0, 0, .2), 0 6px 10px rgba(0, 0, 0, .14), 0 1px 18px rgba(0, 0, 0, .12);
    --app-bar: var(--primary);
    --on-app-bar: #ffffff;
    --control: #ffffff;
    --control-hover: #eeeeee;
    --control-icon: #212121;
    --credit: #ffffff;
    --on-credit: rgba(0, 0, 0, .75);
    --icon-filter: none;
    --font: Roboto, system-ui, -apple-system, "Segoe UI", sans-serif;
    color-scheme: light;
}
/* same tokens twice: once for the system setting, once for the picker */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --primary: #60c3ca;
        --primary-dark: #8fd6db;
        --primary-text: #60c3ca;
        --primary-tint: rgba(96, 195, 202, .16);
        --on-primary: #00363a;
        --heading: #c5cae9;
        --bg: #121212;
        --surface: #1e1e1e;
        --field: rgba(255, 255, 255, .06);
        --text: #e6e6e6;
        --muted: #a3a3a3;
        --divider: #3a3a3a;
        --field-line: rgba(255, 255, 255, .5);
        --error: #cf6679;
        --shadow: 0 2px 1px -1px rgba(0, 0, 0, .5), 0 1px 1px rgba(0, 0, 0, .4), 0 1px 3px rgba(0, 0, 0, .4);
        --shadow-raised: 0 3px 5px -1px rgba(0, 0, 0, .5), 0 6px 10px rgba(0, 0, 0, .4), 0 1px 18px rgba(0, 0, 0, .4);
        --app-bar: #036b70;
        --on-app-bar: #ffffff;
        --control: #2c2c2c;
        --control-hover: #3a3a3a;
        --control-icon: #e6e6e6;
        --credit: #2c2c2c;
        --on-credit: rgba(255, 255, 255, .8);
        --icon-filter: invert(1);
        color-scheme: dark;
    }
}
:root[data-theme="dark"] {
    --primary: #60c3ca;
    --primary-dark: #8fd6db;
    --primary-text: #60c3ca;
    --primary-tint: rgba(96, 195, 202, .16);
    --on-primary: #00363a;
    --heading: #c5cae9;
    --bg: #121212;
    --surface: #1e1e1e;
    --field: rgba(255, 255, 255, .06);
    --text: #e6e6e6;
    --muted: #a3a3a3;
    --divider: #3a3a3a;
    --field-line: rgba(255, 255, 255, .5);
    --error: #cf6679;
    --shadow: 0 2px 1px -1px rgba(0, 0, 0, .5), 0 1px 1px rgba(0, 0, 0, .4), 0 1px 3px rgba(0, 0, 0, .4);
    --shadow-raised: 0 3px 5px -1px rgba(0, 0, 0, .5), 0 6px 10px rgba(0, 0, 0, .4), 0 1px 18px rgba(0, 0, 0, .4);
    --app-bar: #036b70;
    --on-app-bar: #ffffff;
    --control: #2c2c2c;
    --control-hover: #3a3a3a;
    --control-icon: #e6e6e6;
    --credit: #2c2c2c;
    --on-credit: rgba(255, 255, 255, .8);
    --icon-filter: invert(1);
    color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.4; }
[hidden] { display: none !important; }

.card { background: var(--surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }

.app-bar { display: flex; align-items: center; gap: 12px; min-height: 56px; padding: 0 16px;
           background: var(--app-bar); color: var(--on-app-bar); }
.app-bar .app-icon { width: 32px; height: 32px; border-radius: var(--radius); }
.app-bar h1 { flex: 1; margin: 0; font-size: 1.25rem; font-weight: 500; }

.button { display: block; width: 100%; min-height: 40px; padding: 10px 16px; border: 0; border-radius: var(--radius);
          background: var(--primary); color: var(--on-primary); box-shadow: var(--shadow);
          font: 500 .875rem/1.4 var(--font); letter-spacing: .09em; text-transform: uppercase;
          text-align: center; text-decoration: none; cursor: pointer; }
.button:hover { background: var(--primary-dark); }
.button:disabled { background: var(--divider); color: var(--muted); box-shadow: none; cursor: default; }
.button.secondary { background: transparent; color: var(--primary-text); box-shadow: inset 0 0 0 1px var(--divider); }
.button.secondary:hover { background: var(--primary-tint); }
.text-button { padding: 6px 8px; border: 0; border-radius: var(--radius); background: none; color: var(--primary-text);
               font: 500 .875rem/1.4 var(--font); letter-spacing: .09em; text-transform: uppercase; cursor: pointer; }
.text-button:hover { background: var(--primary-tint); }
.app-bar .text-button { color: var(--on-app-bar); }
.app-bar .text-button:hover { background: rgba(255, 255, 255, .16); }
.icon-button { display: grid; place-items: center; flex: none; width: 36px; height: 36px; padding: 0;
               border: 2px solid var(--primary); border-radius: 50%; background: none; color: var(--primary-text);
               font-size: 1rem; cursor: pointer; }
.icon-button:hover { background: var(--primary-tint); }
a { color: var(--primary-text); }
.muted { color: var(--muted); }
.error { color: var(--error); }

label { display: block; margin: 0 0 4px; color: var(--muted); font-size: .8rem; }
:focus-within > label:not(:has(input)) { color: var(--primary-text); }
input, select { width: 100%; padding: 12px; border: 0; border-bottom: 1px solid var(--field-line);
                border-radius: var(--radius) var(--radius) 0 0; background: var(--field); color: inherit; font: inherit; }
input:focus, select:focus { outline: none; border-bottom: 2px solid var(--primary); padding-bottom: 11px; }
input:is([type=checkbox], [type=radio], [type=range]):focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
::placeholder { color: var(--muted); opacity: 1; }

/* Login / register */
.center-page { min-height: 100vh; display: flex; justify-content: center; align-items: flex-start; padding: 32px 16px; }
.auth { width: 100%; max-width: 400px; padding: 24px; }
.auth .logo { display: block; width: 96px; height: 96px; margin: 0 auto 16px; }
.auth h1 { margin: 0 0 4px; color: var(--heading); font-size: 1.5rem; font-weight: 500; text-align: center; }
.auth .subtitle { margin: 0 0 24px; text-align: center; }
.auth form { display: grid; gap: 16px; }
.auth .switch { margin: 20px 0 0; text-align: center; }
.auth .switch a { font-weight: 500; text-decoration: none; }

.auth .terms { display: flex; align-items: flex-start; gap: 12px; margin: 0; color: var(--text); font-size: .9rem; }
.auth .terms input { flex: none; width: 18px; height: 18px; margin: 1px 0 0; padding: 0; accent-color: var(--primary); }

/* Credits, privacy notice, terms */
.credits, .legal { width: 100%; max-width: 640px; padding: 24px; }
.credits h1, .legal h1 { margin: 0 0 8px; color: var(--heading); font-size: 1.5rem; font-weight: 500; }
.credits h2, .legal h2 { margin: 24px 0 6px; font-size: 1.05rem; font-weight: 500; }
.credits p, .legal p { margin: 0 0 8px; }
.credits ul, .legal ul { margin: 0; padding-left: 20px; }
.credits li, .legal li { margin: 4px 0; }
.credits .back { margin: 24px 0 0; }
.legal { line-height: 1.5; }
.legal .languages { margin: 0 0 16px; color: var(--muted); font-size: .85rem; text-align: right; }
.legal-links { padding: 0 16px 24px; color: var(--muted); font-size: .85rem; text-align: center; }
.legal-links a { color: var(--muted); }
.card .legal-links { padding: 0; margin: 16px 0 0; }