/* Grundlayout, Typografie und Design-Tokens.
   Handgeschrieben ohne Framework und ohne Build-Schritt — die App laedt keine
   externen Ressourcen. */

:root {
    /* Farben: kuehles Blau als Leitfarbe, Metallpulver-Kontext */
    --color-bg: #f4f6f8;
    --color-surface: #ffffff;
    --color-surface-alt: #f8fafc;
    --color-border: #dde3ea;
    --color-border-strong: #c3ccd7;
    --color-text: #1c2530;
    --color-text-muted: #5c6b7a;
    --color-primary: #1f5fa8;
    --color-primary-dark: #17497f;
    --color-primary-light: #e8f0fa;

    --color-ok: #1a7f4b;
    --color-ok-bg: #e6f5ec;
    --color-warn: #9a6500;
    --color-warn-bg: #fdf3e0;
    --color-danger: #b3261e;
    --color-danger-bg: #fdeceb;
    --color-info: #1f5fa8;
    --color-info-bg: #e8f0fa;

    --radius: 6px;
    --radius-lg: 10px;
    --shadow-sm: 0 1px 2px rgba(28, 37, 48, 0.08);
    --shadow-md: 0 2px 8px rgba(28, 37, 48, 0.10);

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        Arial, sans-serif;
    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

    /* Mindesthoehe fuer Touch-Bedienung im Lager */
    --touch-target: 44px;
}

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

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

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1340px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.site-main {
    flex: 1 0 auto;
    padding: var(--space-5) var(--space-4);
}

/* --------------------------------------------------------------- Kopfzeile */

.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    min-height: 58px;
    flex-wrap: wrap;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
    flex: 0 0 auto;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 28px;
    padding: 0 var(--space-2);
    border-radius: var(--radius);
    background: var(--color-primary);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.brand-text {
    font-size: 15px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    flex: 1 1 auto;
    flex-wrap: wrap;
}

.main-nav a,
.nav-pending {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--color-text-muted);
    font-size: 14px;
    white-space: nowrap;
}

.main-nav a:hover {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.main-nav a.is-active {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: 600;
}

.nav-pending {
    color: var(--color-border-strong);
    cursor: default;
}

.global-search {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    flex: 0 1 220px;
}

.global-search input {
    width: 100%;
    min-width: 0;
    padding: var(--space-2) var(--space-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 13px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex: 0 0 auto;
}

.user-name {
    font-size: 14px;
    color: var(--color-text-muted);
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 18px;
    line-height: 1;
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    color: var(--color-text);
}

/* --------------------------------------------------------------- Fusszeile */

.site-footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    padding: var(--space-4) 0;
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------- Typografie */

h1, h2, h3, h4 {
    margin: 0 0 var(--space-3);
    line-height: 1.25;
    font-weight: 600;
}

h1 { font-size: 24px; }
h2 { font-size: 19px; }
h3 { font-size: 16px; }

p { margin: 0 0 var(--space-3); }

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

.text-muted { color: var(--color-text-muted); }
.text-small { font-size: 13px; }
.text-mono { font-family: var(--font-mono); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-nowrap { white-space: nowrap; }

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-5);
}

.page-header .page-actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

/* --------------------------------------------------------------- Mobil */

@media (max-width: 860px) {
    .header-inner {
        justify-content: space-between;
    }

    .nav-toggle {
        display: inline-flex;
        order: 2;
    }

    .main-nav {
        display: none;
        order: 4;
        flex-basis: 100%;
        flex-direction: column;
        align-items: stretch;
        padding-bottom: var(--space-3);
    }

    .main-nav.is-open {
        display: flex;
    }

    .main-nav a,
    .nav-pending {
        min-height: var(--touch-target);
        font-size: 15px;
    }

    .user-menu {
        order: 3;
        flex-basis: 100%;
        justify-content: space-between;
        border-top: 1px solid var(--color-border);
        padding-top: var(--space-2);
        padding-bottom: var(--space-2);
    }

    .site-main {
        padding: var(--space-4) var(--space-3);
    }

    h1 { font-size: 21px; }
}