feat(frontend): add dark/light theme toggle with system detection

- Add ThemeToggle component (Auto / Dark / Light) to all views
- Store preference per browser and detect system preference live
  via prefers-color-scheme
- Apply theme before first render in index.html to prevent flash
- Extend CSS with light theme variables and refactor glass styles
This commit is contained in:
Tronax 2026-08-25 18:59:12 +02:00
parent cb30223fd4
commit f220d96e3b
Signed by: Tronax
SSH key fingerprint: SHA256:2pKKXDZucWvaF/GzXNz0FY53EAO1YDLN80bqS+TTz/o
11 changed files with 217 additions and 26 deletions

View file

@ -0,0 +1,30 @@
<script setup lang="ts">
import { useTheme } from '../lib/theme'
const { mode, labels, cycle } = useTheme()
const icons = { auto: '🌗', dark: '🌙', light: '☀️' } as const
</script>
<template>
<button
class="btn btn-sm theme-toggle"
type="button"
:title="`Design: ${labels[mode]} klicken zum Wechseln`"
:aria-label="`Design umschalten, aktuell ${labels[mode]}`"
@click="cycle"
>
<span aria-hidden="true">{{ icons[mode] }}</span>
<span class="tlabel">{{ labels[mode] }}</span>
</button>
</template>
<style scoped>
.tlabel {
margin-left: 7px;
}
@media (max-width: 600px) {
.tlabel {
display: none;
}
}
</style>

72
frontend/src/lib/theme.ts Normal file
View file

@ -0,0 +1,72 @@
import { ref } from 'vue'
export type ThemeMode = 'auto' | 'dark' | 'light'
const STORAGE_KEY = 'wannpassts_theme'
export const themeLabels: Record<ThemeMode, string> = {
auto: 'Auto',
dark: 'Dunkel',
light: 'Hell',
}
function storedMode(): ThemeMode {
try {
const v = localStorage.getItem(STORAGE_KEY)
if (v === 'dark' || v === 'light' || v === 'auto') return v
} catch {
/* localStorage nicht verfügbar */
}
return 'auto'
}
const mode = ref<ThemeMode>(storedMode())
const media = window.matchMedia('(prefers-color-scheme: dark)')
/** Tatsächlich aktives Design: bei "auto" aus der Systemeinstellung abgeleitet. */
export function resolvedTheme(): 'dark' | 'light' {
if (mode.value === 'auto') return media.matches ? 'dark' : 'light'
return mode.value
}
export function applyTheme() {
const t = resolvedTheme()
const root = document.documentElement
root.dataset.theme = t
root.style.colorScheme = t
document
.querySelector('meta[name="theme-color"]')
?.setAttribute('content', t === 'dark' ? '#05070c' : '#eef1f7')
}
let watcherInstalled = false
/** Beim App-Start aufrufen (inline-Script in index.html verhindert den Flash davor). */
export function initTheme() {
applyTheme()
if (!watcherInstalled) {
watcherInstalled = true
// Wechselt das Betriebssystem das Design, folgt WannPassts im Auto-Modus sofort.
media.addEventListener('change', () => {
if (mode.value === 'auto') applyTheme()
})
}
}
export function useTheme() {
function setMode(m: ThemeMode) {
mode.value = m
try {
localStorage.setItem(STORAGE_KEY, m)
} catch {
/* ignore */
}
applyTheme()
}
function cycle() {
setMode(mode.value === 'auto' ? 'dark' : mode.value === 'dark' ? 'light' : 'auto')
}
return { mode, labels: themeLabels, setMode, cycle, resolvedTheme }
}

View file

@ -2,8 +2,11 @@ import { createApp } from 'vue'
import { createPinia } from 'pinia'
import App from './App.vue'
import router from './router'
import { initTheme } from './lib/theme'
import './styles/main.css'
initTheme()
const app = createApp(App)
app.use(createPinia())
app.use(router)

View file

@ -1,6 +1,8 @@
/* ─── WannPassts · Liquid Glass Dark ──────────────────────────────────────── */
/* ─── WannPassts · Liquid Glass (Dark & Light) ────────────────────────────── */
/* Dunkles Design = Standard */
:root {
color-scheme: dark;
--bg-0: #05070c;
--bg-1: #0a0e18;
--text: #eef1f8;
@ -8,6 +10,22 @@
--text-faint: rgba(238, 241, 248, 0.34);
--border: rgba(255, 255, 255, 0.13);
--border-soft: rgba(255, 255, 255, 0.08);
--border-strong: rgba(255, 255, 255, 0.24);
--glass-fill: linear-gradient(150deg, rgba(255, 255, 255, 0.085), rgba(255, 255, 255, 0.028));
--glass-soft-fill: rgba(255, 255, 255, 0.04);
--input-bg: rgba(255, 255, 255, 0.05);
--input-bg-focus: rgba(255, 255, 255, 0.07);
--btn-fill: linear-gradient(150deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.04));
--btn-hover-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
--card-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.10);
--inset-hi: rgba(255, 255, 255, 0.10);
--option-bg: #10141f;
--tabs-bg: rgba(255, 255, 255, 0.035);
--tab-active-fill: linear-gradient(150deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06));
--orb-opacity: 0.45;
--glow-a: rgba(125, 176, 255, 0.10);
--glow-b: rgba(183, 140, 255, 0.09);
--glow-c: rgba(111, 227, 196, 0.06);
--accent: #7db0ff;
--accent-2: #b78cff;
--accent-3: #6fe3c4;
@ -19,6 +37,39 @@
--font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
/* Helles Design aktiv per html[data-theme="light"] (Auto/Dunkel/Hell-Umschalter) */
html[data-theme='light'] {
color-scheme: light;
--bg-0: #e7ebf3;
--bg-1: #fbfcfe;
--text: #171c26;
--text-muted: rgba(23, 28, 38, 0.62);
--text-faint: rgba(23, 28, 38, 0.40);
--border: rgba(24, 34, 64, 0.16);
--border-soft: rgba(24, 34, 64, 0.10);
--border-strong: rgba(24, 34, 64, 0.30);
--glass-fill: linear-gradient(150deg, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0.45));
--glass-soft-fill: rgba(255, 255, 255, 0.55);
--input-bg: rgba(255, 255, 255, 0.65);
--input-bg-focus: rgba(255, 255, 255, 0.85);
--btn-fill: linear-gradient(150deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.55));
--btn-hover-shadow: 0 10px 30px rgba(35, 48, 90, 0.16);
--card-shadow: 0 24px 60px rgba(35, 48, 90, 0.13), inset 0 1px 0 rgba(255, 255, 255, 0.7);
--inset-hi: rgba(255, 255, 255, 0.65);
--option-bg: #ffffff;
--tabs-bg: rgba(255, 255, 255, 0.5);
--tab-active-fill: linear-gradient(150deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.62));
--orb-opacity: 0.22;
--glow-a: rgba(90, 140, 235, 0.14);
--glow-b: rgba(150, 105, 230, 0.12);
--glow-c: rgba(80, 200, 170, 0.10);
--accent: #3f74d6;
--accent-2: #8350d8;
--accent-3: #12a179;
--danger: #d9374c;
--ok: #0c9e63;
}
* { box-sizing: border-box; }
html, body {
@ -31,13 +82,14 @@ body {
font-family: var(--font);
color: var(--text);
background:
radial-gradient(1200px 800px at 85% -10%, rgba(125, 176, 255, 0.10), transparent 60%),
radial-gradient(1000px 700px at -10% 30%, rgba(183, 140, 255, 0.09), transparent 55%),
radial-gradient(900px 600px at 50% 110%, rgba(111, 227, 196, 0.06), transparent 60%),
radial-gradient(1200px 800px at 85% -10%, var(--glow-a), transparent 60%),
radial-gradient(1000px 700px at -10% 30%, var(--glow-b), transparent 55%),
radial-gradient(900px 600px at 50% 110%, var(--glow-c), transparent 60%),
linear-gradient(180deg, var(--bg-1), var(--bg-0));
background-attachment: fixed;
-webkit-font-smoothing: antialiased;
letter-spacing: 0.01em;
transition: color 0.2s ease;
}
#app { min-height: 100vh; }
@ -48,7 +100,7 @@ body {
position: absolute;
border-radius: 50%;
filter: blur(110px);
opacity: 0.45;
opacity: var(--orb-opacity);
animation: orb-drift 26s ease-in-out infinite alternate;
}
.orb-1 { width: 46vw; height: 46vw; left: -10vw; top: -14vh; background: radial-gradient(circle, #2b5cc4, transparent 70%); }
@ -68,16 +120,16 @@ body {
/* ─── Glass-Bausteine ─────────────────────────────────────────────────────── */
.glass {
background: linear-gradient(150deg, rgba(255, 255, 255, 0.085), rgba(255, 255, 255, 0.028));
background: var(--glass-fill);
backdrop-filter: blur(26px) saturate(170%);
-webkit-backdrop-filter: blur(26px) saturate(170%);
border: 1px solid var(--border);
border-radius: var(--radius-lg);
box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.10);
box-shadow: var(--card-shadow);
}
.glass-soft {
background: rgba(255, 255, 255, 0.04);
background: var(--glass-soft-fill);
border: 1px solid var(--border-soft);
border-radius: var(--radius-md);
backdrop-filter: blur(12px);
@ -105,7 +157,7 @@ body {
appearance: none;
border: 1px solid var(--border);
border-radius: 999px;
background: linear-gradient(150deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.04));
background: var(--btn-fill);
color: var(--text);
font: 600 14px/1 var(--font);
padding: 11px 20px;
@ -114,7 +166,7 @@ body {
-webkit-backdrop-filter: blur(14px);
transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255, 255, 255, 0.24); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35); }
.btn:hover { transform: translateY(-1px); border-color: var(--border-strong); box-shadow: var(--btn-hover-shadow); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
@ -142,7 +194,7 @@ label.field > span { font-size: 13px; color: var(--text-muted); font-weight: 500
.input, select.input, textarea.input {
width: 100%;
background: rgba(255, 255, 255, 0.05);
background: var(--input-bg);
border: 1px solid var(--border);
border-radius: var(--radius-sm);
color: var(--text);
@ -154,10 +206,10 @@ label.field > span { font-size: 13px; color: var(--text-muted); font-weight: 500
.input:focus {
border-color: rgba(125, 176, 255, 0.65);
box-shadow: 0 0 0 3px rgba(125, 176, 255, 0.18);
background: rgba(255, 255, 255, 0.07);
background: var(--input-bg-focus);
}
.input::placeholder { color: var(--text-faint); }
select.input option { background: #10141f; color: var(--text); }
select.input option { background: var(--option-bg); color: var(--text); }
textarea.input { resize: vertical; min-height: 84px; }
/* ─── Badges & Chips ──────────────────────────────────────────────────────── */
@ -171,7 +223,7 @@ textarea.input { resize: vertical; min-height: 84px; }
padding: 4px 11px;
border-radius: 999px;
border: 1px solid var(--border);
background: rgba(255, 255, 255, 0.05);
background: var(--glass-soft-fill);
color: var(--text-muted);
}
.badge-pending { border-color: rgba(125, 176, 255, 0.45); color: var(--accent); background: rgba(125, 176, 255, 0.10); }
@ -186,7 +238,7 @@ textarea.input { resize: vertical; min-height: 84px; }
padding: 6px;
border-radius: 999px;
border: 1px solid var(--border-soft);
background: rgba(255, 255, 255, 0.035);
background: var(--tabs-bg);
backdrop-filter: blur(18px);
-webkit-backdrop-filter: blur(18px);
overflow-x: auto;
@ -209,8 +261,8 @@ textarea.input { resize: vertical; min-height: 84px; }
.tab:hover { color: var(--text); }
.tab.active {
color: var(--text);
background: linear-gradient(150deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06));
box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 6px 18px rgba(0, 0, 0, 0.3);
background: var(--tab-active-fill);
box-shadow: inset 0 1px 0 var(--inset-hi), 0 6px 18px rgba(0, 0, 0, 0.12);
}
/* ─── Toasts ──────────────────────────────────────────────────────────────── */
@ -247,7 +299,7 @@ textarea.input { resize: vertical; min-height: 84px; }
appearance: none;
border: 1px solid var(--border-soft);
border-radius: var(--radius-sm);
background: rgba(255, 255, 255, 0.04);
background: var(--glass-soft-fill);
color: var(--text-muted);
font: 600 14px/1 var(--font);
padding: 12px 0;
@ -282,7 +334,7 @@ textarea.input { resize: vertical; min-height: 84px; }
min-width: 74px;
border: 1px solid var(--border-soft);
border-radius: var(--radius-md);
background: rgba(255, 255, 255, 0.04);
background: var(--glass-soft-fill);
color: var(--text-muted);
font-family: var(--font);
padding: 10px 8px;
@ -298,7 +350,7 @@ textarea.input { resize: vertical; min-height: 84px; }
color: var(--text);
border-color: rgba(125, 176, 255, 0.55);
background: linear-gradient(150deg, rgba(125, 176, 255, 0.16), rgba(183, 140, 255, 0.10));
box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 8px 24px rgba(0, 0, 0, 0.3);
box-shadow: inset 0 1px 0 var(--inset-hi), 0 8px 24px rgba(0, 0, 0, 0.12);
}
.day-chip .wd { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }
.day-chip .dom { font-size: 20px; font-weight: 700; color: inherit; }
@ -310,7 +362,7 @@ textarea.input { resize: vertical; min-height: 84px; }
.skeleton {
border-radius: var(--radius-md);
background: linear-gradient(100deg, rgba(255,255,255,0.04) 40%, rgba(255,255,255,0.09) 50%, rgba(255,255,255,0.04) 60%);
background: linear-gradient(100deg, rgba(140, 150, 170, 0.10) 40%, rgba(140, 150, 170, 0.22) 50%, rgba(140, 150, 170, 0.10) 60%);
background-size: 200% 100%;
animation: shimmer 1.4s infinite;
}

View file

@ -6,6 +6,7 @@ import type { PublicInfo } from '../lib/types'
import { useToast } from '../stores/toast'
import { formatTime, partsInTz, zonedToUtc } from '../lib/tz'
import LogoMark from '../components/LogoMark.vue'
import ThemeToggle from '../components/ThemeToggle.vue'
const route = useRoute()
const toast = useToast()
@ -183,9 +184,12 @@ onMounted(async () => {
</p>
</div>
</div>
<div class="legend small">
<span class="dot ok"></span> frei &amp; buchbar
<span class="dot busy"></span> belegt
<div class="row legend-row">
<div class="legend small">
<span class="dot ok"></span> frei &amp; buchbar
<span class="dot busy"></span> belegt
</div>
<ThemeToggle />
</div>
</header>
@ -297,6 +301,7 @@ onMounted(async () => {
.head { padding: 22px 24px; display: flex; flex-direction: column; gap: 12px; }
.head h1 { margin: 0; font-size: 22px; }
.legend { display: flex; align-items: center; gap: 8px; color: var(--text-muted); }
.legend-row { justify-content: space-between; flex-wrap: wrap; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot.ok { background: var(--ok); box-shadow: 0 0 10px rgba(70, 224, 165, 0.7); }
.dot.busy { background: var(--danger); box-shadow: 0 0 10px rgba(255, 122, 138, 0.6); }

View file

@ -4,6 +4,7 @@ import { useRoute, useRouter } from 'vue-router'
import { useAuth } from '../stores/auth'
import { useToast } from '../stores/toast'
import LogoMark from '../components/LogoMark.vue'
import ThemeToggle from '../components/ThemeToggle.vue'
import ShareLinkCard from '../components/ShareLinkCard.vue'
import SectionConnections from '../components/SectionConnections.vue'
import SectionRequests from '../components/SectionRequests.vue'
@ -62,6 +63,7 @@ function logout() {
</div>
<div class="row">
<span class="muted small hide-sm">{{ auth.user.email }}</span>
<ThemeToggle />
<button class="btn btn-sm" @click="logout">Abmelden</button>
</div>
</header>
@ -142,7 +144,7 @@ function logout() {
transition: transform 0.15s ease, border-color 0.15s ease;
cursor: pointer;
}
.tile:hover { transform: translateY(-2px); border-color: rgba(255, 255, 255, 0.24); }
.tile:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.tile-icon { font-size: 26px; }
.privacy { padding: 20px 24px; }
@media (max-width: 520px) { .hide-sm { display: none; } }

View file

@ -1,12 +1,14 @@
<script setup lang="ts">
import LogoMark from '../components/LogoMark.vue'
import GlassCard from '../components/GlassCard.vue'
import ThemeToggle from '../components/ThemeToggle.vue'
</script>
<template>
<main class="page landing">
<section class="hero glass">
<div class="hero-glow" aria-hidden="true"></div>
<ThemeToggle class="hero-toggle" />
<LogoMark />
<h1>Wann<span class="grad">Passts</span></h1>
<p class="tagline">
@ -70,6 +72,11 @@ import GlassCard from '../components/GlassCard.vue'
background: radial-gradient(600px 300px at 50% 0%, rgba(125, 176, 255, 0.16), transparent 70%);
pointer-events: none;
}
.hero-toggle {
position: absolute;
top: 16px;
right: 16px;
}
h1 {
margin: 6px 0 0;
font-size: clamp(40px, 7vw, 64px);

View file

@ -5,6 +5,7 @@ import { ApiError } from '../lib/api'
import { useAuth } from '../stores/auth'
import { useToast } from '../stores/toast'
import LogoMark from '../components/LogoMark.vue'
import ThemeToggle from '../components/ThemeToggle.vue'
const auth = useAuth()
const toast = useToast()
@ -31,6 +32,7 @@ async function submit() {
<template>
<main class="page auth">
<ThemeToggle class="corner-toggle" />
<form class="glass card" @submit.prevent="submit">
<div class="row" style="justify-content: center">
<LogoMark />
@ -77,6 +79,7 @@ async function submit() {
.card p { margin: 0; }
h1 { margin: 4px 0 0; font-size: 24px; text-align: center; }
.center { text-align: center; }
.corner-toggle { position: fixed; top: 16px; right: 16px; z-index: 40; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
</style>

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@ -6,6 +6,7 @@ import { useAuth } from '../stores/auth'
import { useToast } from '../stores/toast'
import { guessTimezone } from '../lib/tz'
import LogoMark from '../components/LogoMark.vue'
import ThemeToggle from '../components/ThemeToggle.vue'
const auth = useAuth()
const toast = useToast()
@ -36,6 +37,7 @@ async function submit() {
<template>
<main class="page auth">
<ThemeToggle class="corner-toggle" />
<form class="glass card" @submit.prevent="submit">
<div class="row" style="justify-content: center">
<LogoMark />
@ -85,6 +87,7 @@ async function submit() {
.card p { margin: 0; }
h1 { margin: 4px 0 0; font-size: 24px; text-align: center; }
.center { text-align: center; }
.corner-toggle { position: fixed; top: 16px; right: 16px; z-index: 40; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
</style>