/* ==========================================================================
   Error Tracker – Stylesheet
   Kontraste sind bewusst >= 4.5:1 für Fließtext gewählt (WCAG 2.1 AA).
   ========================================================================== */

:root {
    --color-bg: #ffffff;
    --color-text: #1a1a1a;          /* Kontrast zu #fff: ~17.9:1 */
    --color-muted: #4b5563;         /* Kontrast zu #fff: ~7.6:1 */
    --color-border: #d1d5db;
    --color-primary: #1d4ed8;       /* Kontrast zu #fff: ~7.1:1 */
    --color-primary-dark: #1e3a8a;
    --color-focus: #b45309;         /* kräftiger, gut sichtbarer Fokusring */
    --color-error-bg: #7f1d1d;      /* dunkles Rot, Text darauf weiß = hoher Kontrast */
    --color-error-text: #ffffff;
    --color-warning-bg: #78350f;
    --color-warning-text: #ffffff;
    --color-info-bg: #1e3a8a;
    --color-info-text: #ffffff;
    --color-success-bg: #14532d;
    --color-success-text: #ffffff;
    --color-surface: #f9fafb;
    font-size: 16px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.5;
}

/* Skip-Link: für Tastatur-/Screenreader-Nutzer, unsichtbar bis fokussiert */
.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--color-primary-dark);
    color: #fff;
    padding: 0.75rem 1rem;
    z-index: 1000;
}
.skip-link:focus {
    left: 0.5rem;
    top: 0.5rem;
}

/* Sichtbarer, kräftiger Fokus-Indikator für ALLE interaktiven Elemente */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
}

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

header.app-header {
    background: var(--color-primary-dark);
    color: #fff;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}
header.app-header a { color: #fff; text-decoration: underline; }
header.app-header .brand { font-weight: 700; font-size: 1.25rem; text-decoration: none; }

nav.breadcrumb {
    padding: 0.75rem 1.5rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem;
}

h1 { font-size: 1.6rem; margin-top: 0; }
h2 { font-size: 1.25rem; }

.card {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    background: var(--color-bg);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}
caption {
    text-align: left;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
th, td {
    text-align: left;
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}
th { background: var(--color-surface); font-weight: 600; }
tr:hover td { background: #f3f4f6; }
tr:focus-within td { background: #fef3c7; }

.badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
}
/* Farbe wird NIE als einziges Unterscheidungsmerkmal genutzt - Text-Label ist immer dabei */
.badge-error   { background: var(--color-error-bg);   color: var(--color-error-text); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning-text); }
.badge-info    { background: var(--color-info-bg);    color: var(--color-info-text); }
.badge-open     { background: #b91c1c; color: #fff; }
.badge-resolved { background: var(--color-success-bg); color: #fff; }
.badge-ignored  { background: #4b5563; color: #fff; }

form.filter-form {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: end;
    margin-bottom: 1.5rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.3rem; }
label { font-weight: 600; font-size: 0.9rem; }

input[type="text"],
input[type="password"],
select {
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 1rem;
    color: var(--color-text);
    background: #fff;
}

button, .btn {
    display: inline-block;
    padding: 0.55rem 1rem;
    border-radius: 6px;
    border: 2px solid var(--color-primary);
    background: var(--color-primary);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
button:hover, .btn:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }

.btn-secondary {
    background: #fff;
    color: var(--color-primary-dark);
}
.btn-secondary:hover { background: var(--color-surface); }

.btn-danger {
    background: #fff;
    color: #7f1d1d;
    border-color: #7f1d1d;
}
.btn-danger:hover { background: #fef2f2; }

.actions-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin: 1rem 0; }

pre.stacktrace {
    background: #111827;
    color: #f9fafb; /* Kontrast ~15.8:1 */
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.4;
    white-space: pre-wrap;
    word-break: break-word;
}

.alert {
    padding: 0.85rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    font-weight: 600;
}
.alert-error   { background: #fef2f2; color: #7f1d1d; border-color: #fca5a5; }
.alert-success { background: #f0fdf4; color: #14532d; border-color: #86efac; }

.meta-list { list-style: none; padding: 0; margin: 0 0 1rem; }
.meta-list li { padding: 0.25rem 0; }
.meta-list strong { display: inline-block; min-width: 140px; }

.empty-state { color: var(--color-muted); font-style: italic; }

.login-wrapper {
    max-width: 400px;
    margin: 4rem auto;
    padding: 2rem;
}

footer.app-footer {
    text-align: center;
    color: var(--color-muted);
    padding: 2rem 1rem;
    font-size: 0.85rem;
}

@media (max-width: 600px) {
    .meta-list strong { display: block; }
}