/* ==========================================================================
   main.css — Packtisch v2 Layout & Komponenten
   Mobile-First, Linear/Notion-inspirierte Klarheit.
   Breakpoints: xs 0 / sm 576 / md 768 / lg 992 / xl 1200 / xxl 1400
   ========================================================================== */

/* --- 1. Basis ----------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { -webkit-tap-highlight-color: transparent; }

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

html, body {
    background: var(--pt-bg);
    color: var(--pt-text);
    font-family: var(--bs-font-sans-serif);
    font-feature-settings: "cv11", "ss01", "ss03";
    font-size: 14px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

a { color: var(--pt-accent); text-decoration: none; transition: color var(--pt-transition); }
a:hover { color: var(--pt-accent-hover); }

h1, h2, h3, h4, h5, h6 { color: var(--pt-text); font-weight: 600; letter-spacing: -.015em; margin: 0 0 .5rem; }
h1 { font-size: 1.5rem; letter-spacing: -.025em; font-weight: 700; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }
h4 { font-size: .95rem; }
h5 { font-size: .9rem; }
h6 { font-size: .85rem; color: var(--pt-text-muted); text-transform: uppercase; letter-spacing: .04em; }

p { margin: 0 0 .75rem; }
p:last-child { margin-bottom: 0; }
hr { border: 0; border-top: 1px solid var(--pt-divider); margin: 1rem 0; }

::selection { background: var(--pt-accent-soft); color: var(--pt-accent-strong); }

/* --- 2. App-Shell ------------------------------------------------------- */
.pt-app {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    grid-template-areas: "topbar" "main" "footer";
    min-height: 100vh;
    min-height: 100dvh;
}

.pt-topbar { grid-area: topbar; }
.pt-main {
    grid-area: main;
    padding: 1rem;
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom));
    max-width: 100%;
}
.pt-footer {
    grid-area: footer;
    padding: 1rem 1.25rem;
    color: var(--pt-text-muted);
    font-size: .78rem;
    border-top: 1px solid var(--pt-border);
    background: var(--pt-surface);
    display: none;
}

@media (min-width: 992px) {
    .pt-app {
        grid-template-columns: 256px 1fr;
        grid-template-areas:
            "sidebar topbar"
            "sidebar main"
            "sidebar footer";
    }
    .pt-sidebar-static { grid-area: sidebar; display: block; }
    .pt-main { padding: 1.5rem 2rem 2.5rem; }
    .pt-footer { display: block; }
}

/* --- 3. Topbar ---------------------------------------------------------- */
.pt-topbar {
    background: var(--pt-topbar-bg);
    border-bottom: 1px solid var(--pt-topbar-border);
    padding: .55rem .85rem;
    padding-top: calc(.55rem + env(safe-area-inset-top));
    display: flex;
    align-items: center;
    gap: .5rem;
    position: sticky; top: 0; z-index: 1020;
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    min-height: calc(56px + env(safe-area-inset-top));
}
.pt-topbar__brand { font-weight: 600; font-size: .95rem; color: var(--pt-text); display: flex; align-items: center; gap: .5rem; letter-spacing: -.015em; }
.pt-topbar__brand img { height: 26px; width: auto; }
.pt-topbar__spacer { flex: 1; }
.pt-topbar__burger {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px;
    border: 0; background: transparent; color: var(--pt-text);
    border-radius: var(--pt-radius-sm);
    transition: background var(--pt-transition);
}
.pt-topbar__burger:hover { background: var(--pt-surface-soft); }

@media (min-width: 992px) {
    .pt-topbar { padding: .65rem 1.5rem; }
    .pt-topbar__burger { display: none; }
}

/* --- 4. Sidebar --------------------------------------------------------- */
.pt-sidebar {
    background: var(--pt-sidebar-bg);
    color: var(--pt-sidebar-text);
    width: 256px;
    height: 100%;
    overflow-y: auto;
    overscroll-behavior: contain;
}
.pt-sidebar-static { display: none; }

.pt-sidebar__header {
    padding: 1rem 1.15rem;
    display: flex; align-items: center; gap: .65rem;
    border-bottom: 1px solid rgba(255,255,255,.05);
}
.pt-sidebar__header img { height: 26px; width: auto; }
.pt-sidebar__title { color: #fff; font-weight: 600; font-size: 1rem; letter-spacing: -.015em; }

.pt-sidebar__nav { padding: .5rem .55rem 2rem; }
.pt-sidebar__group-title {
    color: rgba(255,255,255,.35);
    font-size: .68rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .1em;
    padding: 1rem .65rem .25rem;
}
.pt-sidebar__link {
    display: flex; align-items: center; gap: .65rem;
    padding: .5rem .65rem;
    color: var(--pt-sidebar-text);
    border-radius: var(--pt-radius-sm);
    min-height: 36px;
    font-size: .87rem;
    font-weight: 500;
    transition: background var(--pt-transition), color var(--pt-transition);
    margin: 1px 0;
}
.pt-sidebar__link:hover { background: rgba(255,255,255,.04); color: #fff; }
.pt-sidebar__link.active {
    background: var(--pt-sidebar-active-bg);
    color: var(--pt-sidebar-active-text);
}
.pt-sidebar__link i { width: 16px; text-align: center; opacity: .7; font-size: .9rem; }
.pt-sidebar__link.active i { opacity: 1; }
.pt-sidebar__badge {
    margin-left: auto;
    background: var(--pt-accent);
    color: #fff;
    padding: 1px 7px; border-radius: var(--pt-radius-pill);
    font-size: .68rem; font-weight: 600;
    min-width: 18px; text-align: center;
}

/* --- 5. Karten ---------------------------------------------------------- */
.pt-card {
    background: var(--pt-surface);
    border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius);
    overflow: hidden;
}
.pt-card.is-interactive { cursor: pointer; transition: border-color var(--pt-transition), box-shadow var(--pt-transition); }
.pt-card.is-interactive:hover { border-color: var(--pt-border-strong); box-shadow: var(--pt-shadow-sm); }

.pt-card__header {
    padding: .85rem 1.15rem;
    border-bottom: 1px solid var(--pt-divider);
    display: flex; align-items: center; gap: .55rem;
    min-height: 48px;
}
.pt-card__header i { color: var(--pt-text-muted); font-size: .9rem; }
.pt-card__title { margin: 0; font-size: .92rem; font-weight: 600; letter-spacing: -.01em; color: var(--pt-text); flex: 1; }
.pt-card__body { padding: 1.15rem; }
.pt-card__footer {
    padding: .65rem 1.15rem;
    border-top: 1px solid var(--pt-divider);
    background: var(--pt-surface-soft);
}

/* Stat-Karte — minimalistischer */
.pt-stat {
    display: flex; align-items: center; gap: .85rem;
    padding: 1rem 1.15rem;
    background: var(--pt-surface);
    border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius);
    transition: border-color var(--pt-transition);
}
.pt-stat:hover { border-color: var(--pt-border-strong); }
.pt-stat__icon {
    width: 38px; height: 38px;
    display: grid; place-items: center;
    border-radius: var(--pt-radius-sm);
    background: var(--pt-accent-soft); color: var(--pt-accent);
    font-size: .95rem; flex-shrink: 0;
}
.pt-stat__value {
    font-size: 1.5rem; font-weight: 700;
    color: var(--pt-text); line-height: 1.1;
    letter-spacing: -.025em;
    font-feature-settings: "tnum";
}
.pt-stat__label { color: var(--pt-text-muted); font-size: .78rem; font-weight: 500; }

/* --- 6. Buttons --------------------------------------------------------- */
.btn { font-weight: 500; letter-spacing: -.005em; transition: all var(--pt-transition); border-radius: var(--pt-radius-sm); }
.btn { min-height: 38px; padding: .45rem 1rem; font-size: .87rem; }
.btn-tap { min-height: 44px; }
.btn-tap-sm { min-height: 36px; padding: .35rem .75rem; }
.btn-icon { width: 38px; min-height: 38px; padding: 0; display: inline-grid; place-items: center; }
.btn:active:not(:disabled) { transform: scale(.97); }

.btn-light, .btn-outline-secondary {
    background: var(--pt-surface);
    color: var(--pt-text);
    border-color: var(--pt-border);
}
.btn-light:hover, .btn-outline-secondary:hover {
    background: var(--pt-surface-soft);
    border-color: var(--pt-border-strong);
    color: var(--pt-text);
}
.btn-ghost { background: transparent; color: var(--pt-text-muted); border: 0; }
.btn-ghost:hover { background: var(--pt-surface-soft); color: var(--pt-text); }

/* --- 7. Tabellen → Cards Pattern unter md ------------------------------ */
.pt-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.pt-table thead th {
    text-align: left; font-weight: 600; font-size: .72rem;
    text-transform: uppercase; letter-spacing: .05em;
    color: var(--pt-text-muted);
    padding: .55rem .85rem;
    border-bottom: 1px solid var(--pt-border);
    background: var(--pt-surface-soft);
}
.pt-table tbody td {
    padding: .65rem .85rem;
    border-bottom: 1px solid var(--pt-divider);
    vertical-align: middle;
}
.pt-table tbody tr:last-child td { border-bottom: 0; }
.pt-table tbody tr { transition: background var(--pt-transition); }
.pt-table tbody tr:hover { background: var(--pt-surface-soft); }

@media (max-width: 767.98px) {
    .pt-table--responsive thead { display: none; }
    .pt-table--responsive,
    .pt-table--responsive tbody,
    .pt-table--responsive tr,
    .pt-table--responsive td { display: block; width: 100%; }
    .pt-table--responsive tr {
        border: 1px solid var(--pt-border);
        border-radius: var(--pt-radius);
        margin-bottom: .65rem;
        background: var(--pt-surface);
        padding: .25rem;
    }
    .pt-table--responsive td {
        display: grid;
        grid-template-columns: 38% 1fr;
        gap: .65rem;
        align-items: baseline;
        padding: .5rem .75rem;
        border-bottom: 1px solid var(--pt-divider);
    }
    .pt-table--responsive tr td:last-child { border-bottom: 0; }
    .pt-table--responsive td::before {
        content: attr(data-label);
        color: var(--pt-text-muted);
        font-size: .7rem; font-weight: 600;
        text-transform: uppercase; letter-spacing: .04em;
    }
}

/* --- 8. Forms ----------------------------------------------------------- */
.form-control, .form-select {
    min-height: 38px;
    padding: .4rem .7rem;
    font-size: .87rem;
    border-radius: var(--pt-radius-sm);
    border-color: var(--pt-border);
    background: var(--pt-surface);
    color: var(--pt-text);
    transition: border-color var(--pt-transition), box-shadow var(--pt-transition);
}
.form-control:focus, .form-select:focus {
    border-color: var(--pt-accent);
    box-shadow: var(--pt-shadow-glow);
    background: var(--pt-surface);
    color: var(--pt-text);
}
.input-group > .form-control,
.input-group > .form-select { min-height: 38px; }
.form-label {
    font-weight: 500;
    color: var(--pt-text);
    margin-bottom: .35rem;
    font-size: .78rem;
    letter-spacing: -.005em;
}
.form-text { color: var(--pt-text-muted); font-size: .76rem; margin-top: .25rem; }
.form-check-input:checked { background-color: var(--pt-accent); border-color: var(--pt-accent); }
.form-check-input:focus { box-shadow: var(--pt-shadow-glow); border-color: var(--pt-accent); }

@media (max-width: 575.98px) {
    .form-control, .form-select, .input-group > .form-control { min-height: 44px; font-size: .92rem; }
}

/* --- 9. Toast ----------------------------------------------------------- */
.pt-toast-container {
    position: fixed;
    bottom: calc(5.5rem + env(safe-area-inset-bottom));
    right: 1rem; z-index: 2000;
    display: flex; flex-direction: column; gap: .5rem;
    max-width: calc(100vw - 2rem);
}
@media (min-width: 992px) { .pt-toast-container { bottom: 1.5rem; right: 1.5rem; } }
.toast { border-radius: var(--pt-radius); box-shadow: var(--pt-shadow-lg); }

/* --- 10. Empty / Loader ------------------------------------------------- */
.pt-empty { text-align: center; padding: 2.5rem 1rem; color: var(--pt-text-muted); }
.pt-empty__icon {
    font-size: 1.4rem; color: var(--pt-text-soft); margin-bottom: .65rem;
    width: 56px; height: 56px; margin-left: auto; margin-right: auto;
    display: grid; place-items: center;
    background: var(--pt-surface-soft);
    border-radius: var(--pt-radius-pill);
}
.pt-empty__title { color: var(--pt-text); font-weight: 600; margin-bottom: .25rem; font-size: 1rem; }

.pt-skeleton {
    background: linear-gradient(90deg, var(--pt-surface-soft) 0, var(--pt-divider) 50%, var(--pt-surface-soft) 100%);
    background-size: 200% 100%;
    animation: pt-skeleton 1.4s ease-in-out infinite;
    border-radius: var(--pt-radius-xs);
}
@keyframes pt-skeleton { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* --- 11. Off-Canvas ----------------------------------------------------- */
.offcanvas.pt-sidebar { background: var(--pt-sidebar-bg); color: var(--pt-sidebar-text); border: 0; max-width: 80vw; }
.offcanvas.pt-sidebar .btn-close { filter: invert(1); }
.offcanvas.pt-sidebar .pt-sidebar__header { padding-top: calc(1rem + env(safe-area-inset-top)); }

/* --- 12. Pills ---------------------------------------------------------- */
.pt-pill {
    display: inline-flex; align-items: center; gap: .3rem;
    padding: .15em .55em;
    border-radius: var(--pt-radius-pill);
    font-size: .72rem; font-weight: 600;
    line-height: 1.4;
    letter-spacing: -.005em;
}
.pt-pill--accent  { background: var(--pt-accent-soft);  color: var(--pt-accent-strong); }
.pt-pill--success { background: var(--pt-success-soft); color: #15803d; }
.pt-pill--warning { background: var(--pt-warning-soft); color: #b45309; }
.pt-pill--danger  { background: var(--pt-danger-soft);  color: #b91c1c; }
.pt-pill--info    { background: var(--pt-info-soft);    color: #0e7490; }
.pt-pill--muted   { background: var(--pt-surface-soft); color: var(--pt-text-muted); }
[data-bs-theme="dark"] .pt-pill--success { color: var(--pt-success); }
[data-bs-theme="dark"] .pt-pill--warning { color: var(--pt-warning); }
[data-bs-theme="dark"] .pt-pill--danger  { color: var(--pt-danger); }
[data-bs-theme="dark"] .pt-pill--info    { color: var(--pt-info); }

/* --- 13. Bottom-Tab-Bar (Mobile) --------------------------------------- */
.pt-bottom-nav {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 1030;
    background: var(--pt-topbar-bg);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-top: 1px solid var(--pt-topbar-border);
    padding: .25rem .15rem calc(.25rem + env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: .15rem;
}
.pt-bottom-nav__item {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: .15rem;
    padding: .35rem .15rem;
    color: var(--pt-text-muted);
    border-radius: var(--pt-radius-sm);
    min-height: 52px;
    text-decoration: none;
    transition: color var(--pt-transition);
    border: 0; background: transparent;
    position: relative;
}
.pt-bottom-nav__item i { font-size: 1.05rem; }
.pt-bottom-nav__item span { font-size: .68rem; font-weight: 500; }
.pt-bottom-nav__item:active { transform: scale(.94); }
.pt-bottom-nav__item.active { color: var(--pt-accent); }
.pt-bottom-nav__badge {
    position: absolute; top: .15rem; right: 24%;
    background: var(--pt-danger); color: #fff;
    font-size: .58rem; font-weight: 700;
    padding: 1px 5px; border-radius: var(--pt-radius-pill);
    min-width: 16px; text-align: center; line-height: 1.2;
    box-shadow: 0 0 0 2px var(--pt-topbar-bg);
}
@media (min-width: 992px) { .pt-bottom-nav { display: none; } }

/* --- 14. Animations ----------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
    .pt-main { animation: pt-fade-in .2s var(--pt-ease-out) both; }
    @keyframes pt-fade-in {
        from { opacity: 0; transform: translateY(4px); }
        to { opacity: 1; transform: none; }
    }
}

/* --- 15. Scrollbar ------------------------------------------------------ */
@media (pointer: fine) {
    ::-webkit-scrollbar { width: 8px; height: 8px; }
    ::-webkit-scrollbar-thumb { background: var(--pt-border-strong); border-radius: var(--pt-radius-pill); }
    ::-webkit-scrollbar-thumb:hover { background-color: var(--pt-text-soft); }
    ::-webkit-scrollbar-track { background: transparent; }
}

/* --- 16. Dropdowns ----------------------------------------------------- */
.dropdown-menu {
    border-radius: var(--pt-radius);
    border: 1px solid var(--pt-border);
    box-shadow: var(--pt-shadow-lg);
    padding: .35rem;
    background: var(--pt-surface-elev);
    font-size: .87rem;
}
.dropdown-item {
    border-radius: var(--pt-radius-xs);
    padding: .45rem .65rem;
    min-height: 36px;
    display: flex; align-items: center;
    color: var(--pt-text);
}
.dropdown-item:hover { background: var(--pt-surface-soft); color: var(--pt-text); }
.dropdown-item:active { background: var(--pt-accent-soft); color: var(--pt-accent-strong); }
.dropdown-divider { border-color: var(--pt-divider); margin: .35rem 0; }

/* --- 17. Page-Headers (einheitlich fuer alle Module) ------------------ */
.pt-page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--pt-divider);
}
.pt-page-header__title { margin: 0 0 .25rem; }
.pt-page-header__subtitle { color: var(--pt-text-muted); font-size: .85rem; margin: 0; }
.pt-page-header__actions { display: flex; gap: .5rem; }

/* --- 18. Section spacing ------------------------------------------------ */
.pt-section { margin-bottom: 1.5rem; }
.pt-section:last-child { margin-bottom: 0; }
.pt-section-title {
    font-size: .76rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .06em;
    color: var(--pt-text-muted);
    margin: 0 0 .65rem;
}

/* --- 19. Number-Display (Geld, Werte) ---------------------------------- */
.pt-num { font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; }
.pt-num--lg { font-size: 1.25rem; font-weight: 700; letter-spacing: -.02em; }
.pt-num--positive { color: var(--pt-success); }
.pt-num--negative { color: var(--pt-danger); }

/* --- 20. Avatar -------------------------------------------------------- */
.pt-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--pt-accent-soft);
    color: var(--pt-accent);
    display: inline-grid; place-items: center;
    font-weight: 600; font-size: .78rem;
    border: 1px solid var(--pt-border);
    flex-shrink: 0;
}
.pt-avatar--lg { width: 40px; height: 40px; font-size: .9rem; }

/* --- 21. Definition-List (Key/Value) ----------------------------------- */
.pt-dl { display: grid; gap: .55rem; }
.pt-dl > div { display: grid; grid-template-columns: 35% 1fr; gap: .65rem; align-items: start; }
.pt-dl dt { color: var(--pt-text-muted); font-size: .76rem; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
.pt-dl dd { color: var(--pt-text); font-size: .88rem; margin: 0; word-break: break-word; }
@media (max-width: 575.98px) {
    .pt-dl > div { grid-template-columns: 1fr; gap: 0; }
    .pt-dl dt { font-size: .7rem; }
}