/**
 * HWK Analytics – Stylesheet
 * =================================================
 * Handwerkskammer Berlin – Toni Sciacca <sciacca@hwk-berlin.de>
 * Basiert auf dem Corporate Design von ki.hwk-berlin.de (Inter, HWK-Farben,
 * scharfe Kanten, HWK-Schatten). Chart-Palette validiert (CVD-sicher).
 */

:root {
    /* HWK Corporate */
    --hwk-blue-dark: #073070;
    --hwk-blue-dark-75: #456494;
    --hwk-blue-dark-50: #8397b7;
    --hwk-blue-light: #408fe5;
    --hwk-blue-light-25: #d0e3f9;
    --hwk-green: #409318;
    --hwk-orange: #ff8d25;
    --hwk-yellow: #ffc51a;
    --hwk-red: #b8003f;
    --bg: #f3f6fa;
    --card: #ffffff;
    --ink: #252525;
    --muted: #5b6675;
    --muted-2: #8a94a3;
    --line: #e3e9f2;
    --line-2: #d0dced;

    /* Validierte Chart-Palette */
    --c-blue: #2f7fd6;
    --c-red: #c01048;
    --c-orange: #d96b0c;
    --c-green: #3f8f2e;
    --c-purple: #6b4fa0;
    --c-grey: #8a94a3;
    --c-bar: #2f6fc0;

    --shadow: 1px 1px 6px rgba(127, 127, 127, .3);
    --shadow-lg: 1px 1px 12px rgba(127, 127, 127, .45);
    --radius: 0px;
}

* { box-sizing: border-box; }

html { font-size: 15px; }

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ---------------- Header ---------------- */
.app-header {
    background: var(--hwk-blue-dark);
    color: #fff;
    padding: 14px 22px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .2);
    position: sticky;
    top: 0;
    z-index: 40;
}
.app-header .logo-icon {
    width: 40px; height: 40px;
    display: grid; place-items: center;
    background: var(--hwk-blue-light);
    color: #fff;
}
.app-header .logo-icon svg { width: 24px; height: 24px; }
.app-header h1 { font-size: 18px; margin: 0; font-weight: 700; letter-spacing: .2px; }
.app-header .subline { font-size: 12.5px; color: var(--hwk-blue-dark-50); margin: 0; }
.app-header .spacer { flex: 1; }
.app-header .meta { font-size: 12px; color: var(--hwk-blue-dark-50); text-align: right; }

/* ---------------- Filterbar ---------------- */
.filterbar {
    background: var(--card);
    border-bottom: 1px solid var(--line-2);
    padding: 12px 22px;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px 14px;
    position: sticky;
    top: 68px;
    z-index: 30;
    box-shadow: var(--shadow);
}
.fgroup { display: flex; flex-direction: column; gap: 4px; }
.fgroup > label {
    font-size: 11px; font-weight: 600; text-transform: uppercase;
    letter-spacing: .4px; color: var(--muted);
}
.frow { display: flex; align-items: center; gap: 6px; }
.finput, .fselect {
    height: 34px; padding: 0 10px; font: inherit; font-size: 13px;
    border: 1px solid var(--line-2); background: #fff; color: var(--ink);
    border-radius: var(--radius); min-width: 70px;
}
.finput:focus, .fselect:focus { outline: 2px solid var(--hwk-blue-light); outline-offset: -1px; }
.year-sep { color: var(--muted-2); }

/* Multiselect-Dropdown */
.fdrop { position: relative; }
.fdrop-btn {
    height: 34px; min-width: 150px; padding: 0 30px 0 10px;
    border: 1px solid var(--line-2); background: #fff; color: var(--ink);
    font: inherit; font-size: 13px; text-align: left; cursor: pointer;
    border-radius: var(--radius); position: relative; white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis; max-width: 230px;
}
.fdrop-btn::after {
    content: ""; position: absolute; right: 11px; top: 50%;
    width: 7px; height: 7px; border-right: 2px solid var(--muted);
    border-bottom: 2px solid var(--muted); transform: translateY(-70%) rotate(45deg);
}
.fdrop-btn.has-sel { border-color: var(--hwk-blue-light); background: #f2f8ff; font-weight: 600; }
.fdrop-panel {
    display: none; position: absolute; top: 38px; left: 0; z-index: 50;
    min-width: 240px; max-width: 320px; max-height: 320px; overflow-y: auto;
    background: #fff; border: 1px solid var(--line-2); box-shadow: var(--shadow-lg);
    padding: 6px;
}
.fdrop.open .fdrop-panel { display: block; }
.fdrop-panel label {
    display: flex; align-items: center; gap: 8px; padding: 6px 8px;
    font-size: 13px; cursor: pointer; border-radius: var(--radius);
}
.fdrop-panel label:hover { background: var(--hwk-blue-light-25); }
.fdrop-panel input[type=checkbox] { accent-color: var(--hwk-blue-dark); width: 15px; height: 15px; }

.toggle { display: flex; align-items: center; gap: 7px; font-size: 13px; cursor: pointer; user-select: none; height: 34px; }
.toggle input { width: 16px; height: 16px; accent-color: var(--hwk-blue-dark); }

.btn {
    height: 34px; padding: 0 14px; font: inherit; font-size: 13px; font-weight: 600;
    border: 1px solid var(--line-2); background: #fff; color: var(--ink);
    cursor: pointer; border-radius: var(--radius); display: inline-flex; align-items: center; gap: 6px;
}
.btn svg { width: 15px; height: 15px; }
.btn:hover { background: var(--hwk-blue-light-25); }
.btn-primary { background: var(--hwk-blue-dark); border-color: var(--hwk-blue-dark); color: #fff; }
.btn-primary:hover { background: #0a3d8c; }
.btn-ghost { color: var(--muted); }

/* ---------------- Layout ---------------- */
.wrap { padding: 20px 22px 40px; max-width: 1560px; margin: 0 auto; }
.section-title {
    font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px;
    color: var(--hwk-blue-dark); margin: 26px 2px 12px; display: flex; align-items: center; gap: 8px;
}
.section-title svg { width: 17px; height: 17px; color: var(--hwk-blue-light); }
.section-title:first-of-type { margin-top: 6px; }

/* ---------------- KPI ---------------- */
.kpi-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(168px, 1fr)); gap: 12px;
}
.kpi {
    background: var(--card); border: 1px solid var(--line); border-top: 3px solid var(--hwk-blue-dark);
    padding: 13px 15px 14px; box-shadow: var(--shadow);
}
.kpi .k-label { font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .3px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.kpi .k-label svg { width: 14px; height: 14px; color: var(--hwk-blue-dark-50); }
.kpi .k-value { font-size: 27px; font-weight: 700; line-height: 1.15; margin-top: 7px; font-variant-numeric: tabular-nums; }
.kpi .k-sub { font-size: 12px; color: var(--muted-2); margin-top: 2px; }
.kpi.accent-green { border-top-color: var(--c-green); }
.kpi.accent-red { border-top-color: var(--c-red); }
.kpi.accent-orange { border-top-color: var(--hwk-orange); }
.kpi .k-value.pos { color: var(--c-green); }
.kpi .k-value.neg { color: var(--c-red); }

/* ---------------- Chart-Grid ---------------- */
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.card {
    grid-column: span 6; background: var(--card); border: 1px solid var(--line);
    box-shadow: var(--shadow); display: flex; flex-direction: column; min-width: 0;
}
.card.span4 { grid-column: span 4; }
.card.span8 { grid-column: span 8; }
.card.span12 { grid-column: span 12; }
.card-h {
    display: flex; align-items: center; gap: 8px; padding: 13px 16px 0;
}
.card-h h3 { font-size: 14.5px; font-weight: 700; margin: 0; }
.card-h .hint { font-size: 11.5px; color: var(--muted-2); }
.card-h .spacer { flex: 1; }
.card-h .mini { background: none; border: none; color: var(--muted-2); cursor: pointer; padding: 3px; display: inline-flex; }
.card-h .mini svg { width: 16px; height: 16px; }
.card-h .mini:hover { color: var(--hwk-blue-dark); }
.card-body { padding: 10px 14px 15px; position: relative; }
.chart-box { position: relative; width: 100%; }
.chart-box.h260 { height: 260px; }
.chart-box.h300 { height: 300px; }
.chart-box.h340 { height: 340px; }

/* Legende */
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; padding: 0 16px 12px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.legend i { width: 11px; height: 11px; display: inline-block; border-radius: 2px; }

/* ---------------- Detailtabelle ---------------- */
.tbl-wrap { overflow-x: auto; }
table.dtable { width: 100%; border-collapse: collapse; font-size: 13px; }
table.dtable th, table.dtable td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--line); }
table.dtable th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .3px; color: var(--muted); font-weight: 600; position: sticky; top: 0; background: #fff; cursor: pointer; white-space: nowrap; }
table.dtable td.num, table.dtable th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.dtable tbody tr:hover { background: #f6f9fe; }
.bar-cell { position: relative; }
.bar-cell .bar { position: absolute; left: 0; top: 0; bottom: 0; background: var(--hwk-blue-light-25); z-index: 0; }
.bar-cell span { position: relative; z-index: 1; }

/* ---------------- Footer / States ---------------- */
.foot { margin-top: 30px; padding-top: 16px; border-top: 1px solid var(--line-2); font-size: 12px; color: var(--muted-2); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.loading-bar { position: fixed; top: 0; left: 0; height: 3px; background: var(--hwk-blue-light); width: 0; z-index: 100; transition: width .3s ease; }
.empty { color: var(--muted-2); font-size: 13px; padding: 30px 0; text-align: center; }
.pill { display: inline-block; padding: 1px 8px; font-size: 11px; font-weight: 600; background: var(--hwk-blue-light-25); color: var(--hwk-blue-dark); }

@media (max-width: 1100px) {
    .card, .card.span4, .card.span8 { grid-column: span 12; }
}
@media (max-width: 640px) {
    .filterbar { top: 60px; }
    .app-header h1 { font-size: 15px; }
}