/* ==========================================================================
   d-eh.de – gemeinsames Design-System
   Tokens, Basis, Navigation und wiederverwendbare Komponenten für alle Seiten.
   ========================================================================== */

:root {
    --color-bg: #f3f6f8;
    --color-surface: #ffffff;
    --color-primary: #1e4a5f;
    --color-primary-dark: #143440;
    --color-accent: #2f86c9;
    --color-accent-dark: #1f5f8f;
    --color-success: #1e8e5a;
    --color-success-bg: #e5f6ee;
    --color-warning: #c77d0a;
    --color-warning-bg: #fdf1de;
    --color-danger: #c0392b;
    --color-danger-bg: #fbeae7;
    --color-text: #1f2933;
    --color-text-secondary: #5b6b74;
    --color-text-muted: #8a97a0;
    --color-border: #e1e6ea;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow-sm: 3px -2px 14px rgba(15, 32, 42, 0.08);
    --shadow-md: 0 4px 14px rgba(15, 32, 42, 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;
}

/* ---------- Reset & Basis ---------- */

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

h1, h2, h3 { color: var(--color-primary); margin-top: 0; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1rem; }

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

hr.trenner3 {
    border: none;
    border-top: 1px dashed var(--color-border);
    margin: var(--space-4) 0;
}

.container { 
  /*  max-width: 1400px; */
    margin: 0 auto; 
    padding: var(--space-5); 
}

.main-content {
    background: var(--color-surface);
    padding: var(--space-5);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.back-link { display: inline-block; margin-bottom: var(--space-4); text-decoration: none; }

/* ---------- Top-Navigation ---------- */

.top-nav {
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius);
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.top-nav__bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.top-nav__brand {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    white-space: nowrap;
}

.top-nav__toggle {
    display: none;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.4rem;
    line-height: 1;
    padding: var(--space-2);
    cursor: pointer;
}

.top-nav__links {
    display: flex;
    gap: 2px;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
}

.top-nav__links a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}

.top-nav__links a:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.top-nav__links a.is-active { background: rgba(255, 255, 255, 0.2); color: #fff; font-weight: 600; }
.top-nav__logout { color: rgba(255, 255, 255, 0.7) !important; }

/* ---------- Admin-Untermenü ---------- */

.admin-subnav {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: var(--space-2);
    margin-bottom: var(--space-5);
}
.admin-subnav a {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}
.admin-subnav a:hover { background: #f0f4f6; color: var(--color-text); }
.admin-subnav a.is-active { background: var(--color-accent); color: #fff; font-weight: 500; }

.link-card {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: var(--space-4);
    text-decoration: none;
    color: var(--color-text);
    transition: box-shadow 0.15s;
}
.link-card:hover { box-shadow: var(--shadow-md); color: var(--color-text); }
.link-card i { font-size: 1.6rem; color: var(--color-accent); }
.link-card__label { font-weight: 500; }
.link-card__hint { font-size: 0.85rem; color: var(--color-text-secondary); }

/* ---------- Footer ---------- */

.app-footer {
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius);
    padding: var(--space-4) var(--space-5);
    margin-top: var(--space-6);
    text-align: center;
    font-size: 0.85rem;
}
.app-footer p { margin: 0.25rem 0; }
.app-footer a { color: #fff; }

/* ---------- Buttons ---------- */

.button, button:not([class]) {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.6em 1.2em;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s;
}
.button:hover, button:not([class]):hover { background: var(--color-accent-dark); color: #fff; }
.button[disabled] { opacity: 0.6; cursor: not-allowed; }

.button--secondary { background: var(--color-text-muted); }
.button--secondary:hover { background: var(--color-text-secondary); }
.button--danger { background: var(--color-danger); }
.button--danger:hover { background: #a8362a; }
.button--success { background: var(--color-success); }
.button--success:hover { background: #17714a; }

.button-container, .button-group { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ---------- Status-Badge ---------- */

.badge {
    display: inline-block;
    padding: 0.2em 0.7em;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
}
.badge--running { background: var(--color-success-bg); color: var(--color-success); }
.badge--done { background: var(--color-border); color: var(--color-text-secondary); }

/* ---------- Cards ---------- */

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

/* Feste 4 Spalten statt auto-fit, damit viele "Top ..."-Karten vorhersehbar in
   4er-Reihen umbrechen (z.B. 8 Karten = 4+4) statt variabel je nach Breite. */
.summary-grid--fixed4 {
    grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 992px) {
    .summary-grid--fixed4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .summary-grid--fixed4 { grid-template-columns: 1fr; }
}

.stat-card {
    background: var(--color-surface);
    padding: var(--space-4);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.stat-card h3 {
    margin: 0 0 var(--space-3) 0;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
}
.stat-card .value { font-size: 1.6rem; font-weight: 600; color: var(--color-accent); margin: var(--space-2) 0; }
.stat-card ol { margin: 0; padding-left: 1.2em; }
.stat-card ol li { font-size: 0.9rem; padding: 3px 0; }
.stat-card ol li a { text-decoration: none; }
.stat-card ol li a:hover { text-decoration: underline; }
.top-countries { max-height: 300px; overflow-y: auto; }

/* KPI-Kacheln fürs neue Dashboard - feste 4 Spalten, damit sich Karten vorhersehbar in
   4er-Reihen anordnen (5 Karten = 4+1, 8 Karten = 4+4 usw.), statt variabel per auto-fit. */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}
.metric-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: var(--space-4);
}
.metric-card__label { font-size: 0.8rem; color: var(--color-text-secondary); margin-bottom: var(--space-2); }
.metric-card__value { font-size: 1.6rem; font-weight: 600; color: var(--color-text); }
.metric-card__hint { font-size: 0.8rem; color: var(--color-text-muted); margin-top: var(--space-2); }
.metric-card__hint--warning { color: var(--color-warning); }
.metric-card__hint--success { color: var(--color-success); }

.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); margin-bottom: var(--space-5); }
.chart-card { background: var(--color-surface); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: var(--space-4); }
.chart-card__title { font-size: 0.85rem; color: var(--color-text-secondary); margin-bottom: var(--space-3); }
.chart-legend { display: flex; gap: var(--space-4); justify-content: center; margin-top: var(--space-3); font-size: 0.8rem; color: var(--color-text-secondary); }
.chart-legend span { display: inline-flex; align-items: center; gap: 4px; }
.chart-legend i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

/* ---------- Toolbar / Filter ---------- */

.toolbar { margin-bottom: var(--space-4); }
.filter-form { display: flex; flex-direction: column; gap: var(--space-4); background: #f8fafb; border-radius: var(--radius); padding: var(--space-4); margin-bottom: var(--space-4); }
.filter-group { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: flex-end; }
.search-bar input,
.filter-form input[type="text"],
.filter-form input[type="date"] {
    border: 1px solid var(--color-border);
    padding: 0.6em 0.8em;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    min-width: 400px;
}
.status-filter fieldset, .date-filter fieldset { border: none; padding: 0; margin: 0; display: flex; gap: var(--space-3); align-items: center; }
.status-filter label { cursor: pointer; font-size: 0.9rem; }
.date-filter legend { font-weight: 600; font-size: 0.85rem; padding-right: var(--space-2); }

/* ---------- Tabelle ---------- */

.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; white-space: nowrap; }
th, td { padding: 0.65em 0.75em; text-align: left; border-bottom: 1px solid var(--color-border); }
thead th { background: var(--color-primary); color: #fff; }
thead th a { color: #fff; text-decoration: none; font-weight: 600; }
tbody tr:nth-child(even) { background: #f8fafb; }
tbody tr:hover { background: #eef4f8; }
.col-title { max-width: 400px; white-space: normal; }
.truncate-2-lines {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}
.actions a { margin-right: var(--space-3); text-decoration: none; }

.table-footer td { background: var(--color-primary-dark); color: #fff; font-weight: 600; border-top: 2px solid var(--color-primary); }

/* ---------- Pagination ---------- */

.pagination { text-align: center; margin-top: var(--space-5); }
.pagination a, .pagination span {
    display: inline-block;
    padding: 0.5em 1em;
    margin: 0 2px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-accent);
}
.pagination a:hover { background: #f0f4f6; }
.pagination .current { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

/* ---------- Info-Boxen / Zustände ---------- */

.info-text {
    background: #eaf3fa;
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-sm);
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-4);
}
.no-selection { text-align: center; padding: var(--space-6); color: var(--color-text-muted); font-style: italic; }
.empty { color: var(--color-text-muted); }

/* ---------- Detailseite ---------- */

.details-grid { display: grid; grid-template-columns: 260px 1fr; gap: var(--space-3) var(--space-4); }
.details-grid dt { font-weight: 600; color: var(--color-text-secondary); text-align: right; }
.details-grid dd { margin: 0; word-break: break-word; }
.footer-actions { margin-top: var(--space-5); border-top: 1px solid var(--color-border); padding-top: var(--space-4); text-align: right; }

/* ---------- Formulare (Neues Projekt / Bearbeiten) ---------- */

form.record-form { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-group { display: flex; flex-direction: column; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label { margin-bottom: var(--space-1); font-weight: 600; font-size: 0.9rem; }
.form-group input, .form-group select {
    border: 1px solid var(--color-border);
    padding: 0.7em;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}
.form-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: var(--space-3); }

/* ---------- Auth (Login) ---------- */

.auth-card {
    max-width: 380px;
    margin: 10vh auto;
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: var(--space-6);
}
.auth-card .form-group { margin-bottom: var(--space-4); }
.auth-card label { display: block; margin-bottom: var(--space-2); font-weight: 600; font-size: 0.9rem; }
.auth-card input[type="text"], .auth-card input[type="password"] {
    width: 100%; padding: 0.7em; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
}
.auth-card .checkbox-group { display: flex; align-items: center; gap: var(--space-2); }
.auth-card .checkbox-group input { width: auto; }
.auth-card .error { color: var(--color-danger); margin-top: var(--space-3); font-size: 0.9rem; }
.auth-card button { width: 100%; }

/* ---------- Jahresauswahl (projekte_nach_jahr.php) ---------- */

.year-selector { background: var(--color-surface); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: var(--space-4); margin-bottom: var(--space-4); }
.year-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: var(--space-3); margin-top: var(--space-3); max-height: 360px; overflow-y: auto; }
.year-button { display: block; padding: var(--space-3); background: #f8fafb; border: 2px solid var(--color-border); border-radius: var(--radius-sm); text-align: center; text-decoration: none; color: var(--color-text); transition: all 0.2s; }
.year-button:hover { border-color: var(--color-accent); background: #eef4f8; }
.year-button.active { background: var(--color-accent); border-color: var(--color-accent-dark); color: #fff; }
.year-stats { font-size: 0.8rem; color: var(--color-text-secondary); margin-top: var(--space-1); }
.year-button.active .year-stats { color: rgba(255, 255, 255, 0.85); }

/* ---------- Länder-Summen (projekt_summen.php) ---------- */

.search-container { background: #f8fafb; border-radius: var(--radius); padding: var(--space-4); margin-bottom: var(--space-4); }
.search-form { display: flex; gap: var(--space-3); align-items: center; flex-wrap: wrap; }
.search-input { flex: 1; min-width: 200px; padding: 0.6em 0.8em; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-size: 0.9rem; }
.search-info { margin-top: var(--space-2); font-style: italic; color: var(--color-text-secondary); font-size: 0.85rem; }

/* ---------- CSV-Import ---------- */

.filter-box, .upload-box {
    background: #f8fafb;
    border-radius: var(--radius);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}
.filter-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-2);
    margin-top: var(--space-3);
}
.filter-options label { font-size: 0.85rem; display: flex; align-items: center; gap: 6px; }
.filter-options .alle-option { font-weight: 600; }
.message.success {
    background: var(--color-success-bg);
    color: var(--color-success);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    margin-top: var(--space-4);
}

/* ---------- Ladezustand (AJAX) ---------- */

.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.85);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
.loading-spinner, .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: app-spin 0.9s linear infinite;
}
.loading-text { padding: var(--space-5); text-align: center; font-style: italic; color: var(--color-text-secondary); }
@keyframes app-spin { to { transform: rotate(360deg); } }

/* ---------- Responsive ---------- */

@media (max-width: 992px) {
    .chart-grid { grid-template-columns: 1fr; }
    .metric-grid { grid-template-columns: repeat(2, 1fr); }
    .summary-grid .top-10 { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
    .container { padding: var(--space-3); }
    .main-content { padding: var(--space-4); }
    .top-nav { flex-direction: column; align-items: stretch; }
    .top-nav__bar { justify-content: space-between; }
    .top-nav__toggle { display: block; }
    .top-nav__links {
        display: none;
        flex-direction: column;
        gap: var(--space-1);
        margin-top: var(--space-3);
    }
    .top-nav__links.is-open { display: flex; }
    .top-nav__links a { width: 100%; }
    .metric-grid { grid-template-columns: 1fr; }
    form.record-form { grid-template-columns: 1fr; }
    .filter-group { flex-direction: column; align-items: stretch; }
    .search-bar input, .filter-form input[type="text"], .filter-form input[type="date"] { width: 100%; min-width: 0; }
    .button-container, .button-group { flex-direction: column; }
    .button-container .button, .button-group .button { width: 100%; text-align: center; }
    .details-grid { grid-template-columns: 1fr; }
    .details-grid dt { text-align: left; }
}