/* ============================================
   OSP App-Shell — Header + Footer (NZA/RMS-CI)
   Single Source of Truth fürs Intranet
   ============================================ */

/* ── Tokens (subset of NZA/RMS OSP-CI Glass) ────────── */
:root, [data-theme="light"] {
    --as-primary:        #0080C9;
    --as-primary-soft:   #e6f3fb;
    --as-accent:         #DC500F;
    --as-accent-green:   #10B981;
    --as-st-crit:        #dc2626;

    --as-surface:        #ffffff;
    --as-border:         #e2e8f0;
    --as-text-muted:     #475569;

    --as-hdr-bg:         rgba(0,128,201,0.92);
    --as-hdr-border:     rgba(220,80,15,0.22);
    --as-glass-blur:     blur(18px) saturate(150%);
    --as-shadow-md:      0 4px 12px rgba(14,30,52,0.08);

    --as-radius-sm:      6px;
    --as-radius:         10px;
    --as-motion-fast:    120ms;
    --as-motion-base:    180ms;
    --as-ease:           cubic-bezier(.4,0,.2,1);

    --as-font-display:   'Montserrat', system-ui, sans-serif;
    --as-font-body:      'Open Sans', system-ui, sans-serif;
    --as-font-mono:      'Fira Code', 'JetBrains Mono', monospace;
}

[data-theme="dark"], html.dark {
    --as-primary:        #1ea3ec;
    --as-primary-soft:   rgba(30,163,236,0.16);
    --as-accent:         #ff7a3d;
    --as-st-crit:        #f87171;

    --as-surface:        #1E293B;
    --as-border:         rgba(148,163,184,.18);
    --as-text-muted:     rgba(255,255,255,.72);

    --as-hdr-bg:         rgba(13,22,38,0.92);
    --as-hdr-border:     rgba(255,122,61,0.20);
    --as-shadow-md:      0 6px 24px rgba(0,0,0,0.45);
}

/* ============================================
   HEADER — OSP-CI Glass Layer (3-Sektionen)
   ============================================ */
header#app-header {
    background: var(--as-hdr-bg);
    border-bottom: 1px solid var(--as-hdr-border);
    backdrop-filter: var(--as-glass-blur);
    -webkit-backdrop-filter: var(--as-glass-blur);
    color: white;
    padding: 0 20px;
    height: 64px;
    display: grid;
    grid-template-columns: minmax(0, auto) 1fr minmax(0, auto);
    align-items: center;
    gap: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--as-shadow-md);
}

@media (display-mode: standalone) {
    header#app-header {
        padding-top: env(safe-area-inset-top);
        height: calc(64px + env(safe-area-inset-top));
    }
}

/* Brand Zone (LINKS) */
.hdr-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.hdr-app-favicon-link {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    flex-shrink: 0;
    transition: transform var(--as-motion-base) var(--as-ease),
                box-shadow var(--as-motion-base) var(--as-ease);
    text-decoration: none;
}
.hdr-app-favicon {
    width: 40px;
    height: 40px;
    object-fit: contain;
    display: block;
}
.hdr-app-favicon-link:hover {
    transform: scale(1.06);
    box-shadow: 0 0 0 2px var(--as-accent);
}
.hdr-app-favicon-link:focus-visible {
    outline: 2px solid var(--as-accent);
    outline-offset: 2px;
}
.hdr-wordmark {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.hdr-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
}
.hdr-title {
    font-family: var(--as-font-display);
    font-weight: 700;
    font-size: 1.05rem;
    color: #fff;
    letter-spacing: -.015em;
    line-height: 1.2;
    white-space: nowrap;
}
.hdr-subtitle {
    font-family: var(--as-font-body);
    font-size: .72rem;
    color: rgba(255,255,255,.85);
    line-height: 1.2;
    letter-spacing: .01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.hdr-release-date {
    font-family: var(--as-font-mono);
    font-size: .68rem;
    color: rgba(255,255,255,.85);
    font-variant-numeric: tabular-nums;
    letter-spacing: .02em;
}

/* Versionsbadge-Pill */
.hdr-version-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: 999px;
    background: rgba(255,255,255,.14);
    color: #fff;
    border: 1px solid rgba(255,255,255,.22);
    font-family: var(--as-font-mono);
    font-size: .68rem;
    font-weight: 600;
    letter-spacing: .03em;
    cursor: default;
    line-height: 1;
    transition: background var(--as-motion-fast) var(--as-ease),
                border-color var(--as-motion-fast) var(--as-ease),
                transform var(--as-motion-fast) var(--as-ease);
    font-variant-numeric: tabular-nums;
}
.hdr-version-pill[role="button"] { cursor: pointer; }
.hdr-version-pill:hover {
    background: rgba(255,255,255,.22);
    border-color: rgba(255,255,255,.45);
    transform: translateY(-1px);
}
.hdr-version-pill:focus-visible {
    outline: 2px solid var(--as-accent);
    outline-offset: 2px;
}
.hdr-version-pill .hdr-version-icon {
    opacity: .7;
    transition: transform var(--as-motion-fast) var(--as-ease);
}
.hdr-version-pill:hover .hdr-version-icon {
    transform: translateX(2px);
    opacity: 1;
}

/* MITTE: Center-Buttons */
.hdr-center {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: nowrap;
}

/* RECHTS: Theme | Settings | Logout | User | Clock */
.hdr-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.hdr-clock {
    font-family: var(--as-font-mono);
    font-size: .76rem;
    color: rgba(255,255,255,.85);
    background: rgba(255,255,255,.12);
    padding: 5px 10px;
    border-radius: var(--as-radius-sm);
    border: 1px solid rgba(255,255,255,.18);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
    letter-spacing: .02em;
}
.hdr-icon-btn {
    width: 34px;
    height: 34px;
    border-radius: var(--as-radius-sm);
    border: none;
    background: transparent;
    color: rgba(255,255,255,.8);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background var(--as-motion-fast) var(--as-ease),
                color var(--as-motion-fast) var(--as-ease);
    font-size: 0;
    position: relative;
    padding: 0;
    font-family: inherit;
}
.hdr-icon-btn svg {
    width: 18px;
    height: 18px;
}
.hdr-icon-btn:hover {
    background: rgba(255,255,255,.14);
    color: #fff;
}
.hdr-icon-btn:active {
    background: rgba(220,80,15,.22);
}
.hdr-icon-btn:focus-visible {
    outline: 2px solid rgba(255,255,255,.7);
    outline-offset: 2px;
}
.hdr-icon-btn[disabled],
.hdr-icon-btn.disabled {
    opacity: .35;
    cursor: default;
    pointer-events: none;
}
/* Feedback-Icon orange */
.hdr-icon-feedback { color: var(--as-accent) !important; }
.hdr-icon-feedback:hover {
    background: rgba(220, 80, 15, .22) !important;
    color: #fff !important;
}
.hdr-icon-feedback:active { background: rgba(220, 80, 15, .35) !important; }
.hdr-icon-feedback:focus-visible { outline-color: var(--as-accent); }

/* Größere Icon-Buttons */
.hdr-icon-btn.hdr-icon-lg {
    width: 44px;
    height: 44px;
    border-radius: var(--as-radius);
}
.hdr-icon-btn.hdr-icon-lg svg {
    width: 24px;
    height: 24px;
}
@media (max-width: 600px) {
    .hdr-icon-btn.hdr-icon-lg {
        width: 40px;
        height: 40px;
    }
    .hdr-icon-btn.hdr-icon-lg svg {
        width: 22px;
        height: 22px;
    }
}

.hdr-user-badge {
    font-family: var(--as-font-mono);
    font-size: .72rem;
    font-weight: 600;
    color: rgba(255,255,255,.85);
    background: rgba(255,255,255,.14);
    padding: 3px 8px;
    border-radius: var(--as-radius-sm);
    white-space: nowrap;
}

/* Theme-Toggle (übernimmt aus dark-mode.js, hier nur Sizing-Sync) */
header#app-header .theme-toggle-btn {
    width: 34px;
    height: 34px;
    border-radius: var(--as-radius-sm);
}

/* Mobile Header */
@media (max-width: 900px) { header#app-header { gap: 0 12px; } }
@media (max-width: 600px) {
    header#app-header {
        grid-template-columns: auto 1fr auto auto;
        gap: 0 8px;
        padding: 0 12px;
    }
    .hdr-version-pill { display: none; }
    .hdr-clock { display: none; }
    .hdr-release-date { display: none; }
    .hdr-subtitle { display: none; }
}

/* ============================================
   FOOTER — App-übergreifend (NZA/RMS-Pendant)
   ============================================ */
footer#app-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 24px;
    background: var(--as-surface);
    border-top: 1px solid var(--as-border);
    color: var(--as-text-muted);
    font-family: var(--as-font-body);
    font-size: .8rem;
    letter-spacing: .01em;
    margin-top: auto;
}
html.dark footer#app-footer,
[data-theme="dark"] footer#app-footer {
    background: #0f172a;
    border-top-color: rgba(148,163,184,.15);
    color: rgba(255,255,255,.65);
}
footer#app-footer .ftr-left,
footer#app-footer .ftr-center,
footer#app-footer .ftr-right {
    display: flex;
    align-items: center;
}
footer#app-footer .ftr-left   { justify-content: flex-start; flex: 1 1 0; }
footer#app-footer .ftr-center { justify-content: center;     flex: 1 1 0; }
footer#app-footer .ftr-right  { justify-content: flex-end;   flex: 1 1 0; }
footer#app-footer .ftr-siegai {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: .02em;
}
footer#app-footer .ftr-sieg { color: #000; }
html.dark footer#app-footer .ftr-sieg,
[data-theme="dark"] footer#app-footer .ftr-sieg { color: #fff; }
footer#app-footer .ftr-ai {
    color: var(--as-accent-green);
    font-weight: 800;
    letter-spacing: .02em;
}
footer#app-footer .ftr-siegai-link {
    color: inherit;
    text-decoration: none;
    padding: 4px 8px;
    border-radius: var(--as-radius-sm);
    transition: color var(--as-motion-fast) var(--as-ease),
                background var(--as-motion-fast) var(--as-ease);
}
footer#app-footer .ftr-siegai-link:hover {
    color: var(--as-primary);
    background: var(--as-primary-soft);
}
footer#app-footer .ftr-version-link {
    background: transparent;
    border: none;
    color: inherit;
    cursor: default;
    font-family: var(--as-font-mono);
    font-size: .76rem;
    padding: 4px 8px;
    border-radius: var(--as-radius-sm);
    transition: color var(--as-motion-fast) var(--as-ease),
                background var(--as-motion-fast) var(--as-ease);
}
footer#app-footer .ftr-version-link[onclick],
footer#app-footer .ftr-version-link[role="button"] { cursor: pointer; }
footer#app-footer .ftr-version-link:hover {
    color: var(--as-primary);
    background: var(--as-primary-soft);
}
@media (max-width: 640px) {
    footer#app-footer {
        flex-direction: column;
        gap: 6px;
        padding: 12px 16px;
        text-align: center;
    }
    footer#app-footer .ftr-left,
    footer#app-footer .ftr-center,
    footer#app-footer .ftr-right { flex: 0 0 auto; }
}