/* Schulplatzfinder – leichtgewichtiges Basis-Design (ohne Build-Schritt). */

:root {
    --primaerfarbe: #2563eb;
    --primaerfarbe-dunkel: #1e40af;
    --text: #1f2933;
    --text-leise: #6b7280;
    --rahmen: #d8dee9;
    --rahmen-leicht: #eceff4;
    --flaeche: #ffffff;
    --hintergrund: #f4f6fb;
    --erfolg: #15803d;
    --fehler: #b91c1c;
    --radius: 8px;
    --schatten: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    color: var(--text);
    background: var(--hintergrund);
}

/* Kopfleiste */
.topbar {
    background: var(--primaerfarbe);
    color: #fff;
    box-shadow: var(--schatten);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
}

.brand {
    font-weight: 700;
    font-size: 1.15rem;
    color: #fff;
    text-decoration: none;
    letter-spacing: 0.2px;
}

.topnav {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.topnav a {
    color: #fff;
    text-decoration: none;
    opacity: 0.9;
    font-weight: 500;
}

.topnav a:hover {
    opacity: 1;
    text-decoration: underline;
}

.topnav form {
    margin: 0;
}

.topnav select {
    padding: 0.25rem 0.4rem;
    border-radius: 6px;
    border: none;
}

.topnav .logout-button {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 0.35rem 0.8rem;
}

.topnav .logout-button:hover {
    background: rgba(255, 255, 255, 0.28);
}

/* Layout-Container */
.container {
    width: 100%;
    max-width: 1040px;
    margin: 0 auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

main.container {
    margin-top: 1.5rem;
    margin-bottom: 2.5rem;
    background: var(--flaeche);
    border: 1px solid var(--rahmen-leicht);
    border-radius: var(--radius);
    box-shadow: var(--schatten);
    padding: 1.75rem 1.75rem 2rem;
}

/* Typografie */
h1 {
    font-size: 1.6rem;
    margin: 0 0 1.1rem;
    line-height: 1.25;
}

h2 {
    font-size: 1.2rem;
    margin: 1.8rem 0 0.7rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid var(--rahmen-leicht);
}

h3 {
    font-size: 1.02rem;
    margin: 1.2rem 0 0.5rem;
}

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

a:hover {
    color: var(--primaerfarbe-dunkel);
}

/* Formulare */
label {
    display: inline-block;
    font-weight: 500;
    margin-bottom: 0.15rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="search"],
select,
textarea {
    font: inherit;
    color: inherit;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--rahmen);
    border-radius: 6px;
    background: #fff;
    max-width: 100%;
    margin: 0.15rem 0 0.4rem;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primaerfarbe);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

textarea {
    width: 100%;
    min-height: 6rem;
    resize: vertical;
}

fieldset {
    border: 1px solid var(--rahmen);
    border-radius: var(--radius);
    padding: 0.9rem 1.1rem;
    margin: 0 0 1rem;
}

legend {
    font-weight: 600;
    padding: 0 0.4rem;
}

/* Buttons */
button,
input[type="submit"] {
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    background: var(--primaerfarbe);
    color: #fff;
    border: 1px solid transparent;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: background 0.12s ease;
}

button:hover,
input[type="submit"]:hover {
    background: var(--primaerfarbe-dunkel);
}

/* Tabellen */
table {
    border-collapse: collapse;
    width: 100%;
    margin: 0.6rem 0 1rem;
}

th,
td {
    text-align: left;
    padding: 0.55rem 0.7rem;
    border-bottom: 1px solid var(--rahmen-leicht);
    vertical-align: top;
}

thead th {
    background: var(--rahmen-leicht);
    border-bottom: 1px solid var(--rahmen);
}

tbody tr:hover {
    background: #f9fbff;
}

/* Listen */
ul,
ol {
    padding-left: 1.3rem;
}

li {
    margin: 0.2rem 0;
}

/* Hilfsklassen */
.muted {
    color: var(--text-leise);
}

hr {
    border: none;
    border-top: 1px solid var(--rahmen-leicht);
    margin: 1.4rem 0;
}

/* Statusmeldungen (optional über Klassen nutzbar) */
.flash {
    padding: 0.7rem 0.9rem;
    border-radius: 6px;
    border: 1px solid var(--rahmen);
    background: #f0f9ff;
    margin: 0 0 1rem;
}

.flash-erfolg {
    border-color: #bbf7d0;
    background: #f0fdf4;
    color: var(--erfolg);
}

.flash-fehler {
    border-color: #fecaca;
    background: #fef2f2;
    color: var(--fehler);
}

@media (max-width: 640px) {
    main.container {
        padding: 1.1rem 1rem 1.4rem;
        margin-top: 1rem;
    }

    h1 {
        font-size: 1.35rem;
    }
}