/**
 * Shadow UI für Kooperationsportal (Standalone-Shell)
 * Nutzt --ss-theme-* aus theme_engine.css + cyber_global Atmosphäre
 */

body.coop-shadowui.coop-shell-body {
    color: var(--ss-theme-text);
    background: var(--ss-theme-page-bg);
    font-family: "Space Grotesk", "Rajdhani", Inter, "Segoe UI", sans-serif;
}

body.coop-shadowui::before,
body.coop-shadowui::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
}

body.coop-shadowui::before {
    background:
        radial-gradient(ellipse at center, transparent 0 34%, rgba(4, 2, 10, 0.34) 72%, rgba(2, 1, 6, 0.82) 100%),
        linear-gradient(180deg, rgba(3, 2, 10, 0.1), rgba(3, 2, 10, 0.48)),
        repeating-linear-gradient(
            0deg,
            rgba(255, 255, 255, 0.022) 0,
            rgba(255, 255, 255, 0.022) 1px,
            transparent 1px,
            transparent 5px
        );
    opacity: 0.78;
}

body.coop-shadowui::after {
    background:
        linear-gradient(90deg, rgba(0, 229, 255, 0.14), transparent 24%, transparent 76%, rgba(255, 42, 184, 0.16)),
        radial-gradient(ellipse at 50% 72%, rgba(155, 92, 255, 0.14), transparent 38%);
    opacity: 0.68;
}

/* ── Sidebar ── */

.coop-shadowui .coop-shell-sidebar {
    border-right: 1px solid var(--ss-theme-border);
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--ss-theme-accent) 8%, transparent), transparent 28%),
        linear-gradient(165deg, rgba(5, 8, 16, 0.97), rgba(2, 4, 10, 0.94));
    backdrop-filter: blur(14px);
    box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.04);
}

.coop-shadowui .coop-shell-brand__kicker {
    border-color: color-mix(in srgb, var(--ss-theme-accent) 48%, transparent);
    background: color-mix(in srgb, var(--ss-theme-accent) 14%, rgba(5, 8, 16, 0.88));
    color: var(--ss-theme-muted);
    font-family: var(--ss-mono-font, ui-monospace, monospace);
    letter-spacing: 0.1em;
}

.coop-shadowui .coop-shell-brand h1 {
    color: var(--ss-theme-text-strong);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.coop-shadowui .coop-shell-brand p {
    color: var(--ss-theme-dim);
}

.coop-shadowui .coop-shell-nav a {
    border: 1px solid var(--ss-theme-border);
    background: color-mix(in srgb, var(--ss-theme-surface) 92%, transparent);
    color: var(--ss-theme-muted);
    transition:
        border-color 160ms ease,
        background 160ms ease,
        color 160ms ease,
        box-shadow 160ms ease;
}

.coop-shadowui .coop-shell-nav a:hover,
.coop-shadowui .coop-shell-nav a:focus-visible {
    border-color: color-mix(in srgb, var(--ss-theme-accent-2) 42%, transparent);
    color: var(--ss-theme-text-strong);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--ss-theme-accent) 14%, transparent), color-mix(in srgb, var(--ss-theme-accent-2) 8%, transparent)),
        var(--ss-theme-surface-soft);
    box-shadow: 0 0 20px color-mix(in srgb, var(--ss-theme-accent) 16%, transparent);
    outline: none;
}

.coop-shadowui .coop-shell-nav a.is-active {
    border-color: color-mix(in srgb, var(--ss-theme-accent) 52%, transparent);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--ss-theme-accent) 22%, transparent), color-mix(in srgb, var(--ss-theme-accent-2) 14%, transparent)),
        var(--ss-theme-surface-soft);
    color: var(--ss-theme-text-strong);
    box-shadow:
        0 0 28px color-mix(in srgb, var(--ss-theme-accent) 22%, transparent),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.coop-shadowui .coop-shell-nav__badge {
    border-color: color-mix(in srgb, var(--ss-theme-accent) 55%, transparent);
    background: color-mix(in srgb, var(--ss-theme-accent) 28%, rgba(5, 8, 16, 0.92));
    color: var(--ss-theme-text-strong);
}

.coop-shadowui .coop-shell-sidebar-foot {
    border-top: 1px solid var(--ss-theme-border);
}

.coop-shadowui .coop-shell-sidebar-foot .su-locale-switch__select {
    border: 1px solid var(--ss-theme-border);
    background: var(--ss-theme-input);
    color: var(--ss-theme-text);
    border-radius: 999px;
}

.coop-shadowui .coop-shell-sidebar-foot .su-locale-switch__select:hover,
.coop-shadowui .coop-shell-sidebar-foot .su-locale-switch__select:focus-visible {
    border-color: color-mix(in srgb, var(--ss-theme-accent-2) 45%, transparent);
    outline: none;
}

.coop-shadowui .coop-shell-sidebar-foot .su-legal-nav--compact .su-legal-nav__links a {
    color: var(--ss-theme-dim);
    border-radius: 999px;
    transition: color 140ms ease, background 140ms ease;
}

.coop-shadowui .coop-shell-sidebar-foot .su-legal-nav--compact .su-legal-nav__links a:hover,
.coop-shadowui .coop-shell-sidebar-foot .su-legal-nav--compact .su-legal-nav__links a:focus-visible {
    color: var(--ss-theme-accent-2);
    background: color-mix(in srgb, var(--ss-theme-accent-2) 10%, transparent);
}

/* ── Topbar ── */

.coop-shadowui .coop-shell-topbar {
    border-bottom: 1px solid var(--ss-theme-border);
    background: color-mix(in srgb, var(--ss-theme-surface-strong) 88%, transparent);
    backdrop-filter: blur(12px);
}

.coop-shadowui .coop-shell-topbar__title h2 {
    color: var(--ss-theme-text-strong);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.coop-shadowui .coop-shell-topbar__title p {
    color: var(--ss-theme-dim);
}

.coop-shadowui .coop-shell-topbar__actions a {
    border: 1px solid var(--ss-theme-border);
    background: color-mix(in srgb, var(--ss-theme-surface) 90%, transparent);
    color: var(--ss-theme-muted);
    transition: border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.coop-shadowui .coop-shell-topbar__actions a:hover,
.coop-shadowui .coop-shell-topbar__actions a:focus-visible {
    border-color: color-mix(in srgb, var(--ss-theme-accent-2) 42%, transparent);
    color: var(--ss-theme-text-strong);
    box-shadow: 0 0 18px color-mix(in srgb, var(--ss-theme-accent-2) 14%, transparent);
    outline: none;
}

/* ── Glass-Panels (Hero, Auth, Strip) ── */

.coop-shadowui .coop-hero__copy,
.coop-shadowui .coop-hero__media,
.coop-shadowui .coop-card,
.coop-shadowui .coop-auth-card,
.coop-shadowui .coop-entry-strip {
    position: relative;
    overflow: hidden;
    border: 1px solid color-mix(in srgb, var(--ss-theme-accent-2) 28%, transparent);
    background: var(--ss-theme-panel-bg);
    box-shadow:
        var(--ss-theme-shadow),
        0 0 0 1px rgba(255, 255, 255, 0.04) inset;
}

.coop-shadowui .coop-hero__copy::before,
.coop-shadowui .coop-auth-card::before,
.coop-shadowui .coop-entry-strip::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 2px;
    background: linear-gradient(90deg, var(--ss-theme-green), var(--ss-theme-cyan), var(--ss-theme-pink));
    opacity: 0.92;
    pointer-events: none;
}

.coop-shadowui .coop-hero__copy h2,
.coop-shadowui .coop-auth-card__head h3 {
    color: var(--ss-theme-text-strong);
}

.coop-shadowui .coop-hero__lead,
.coop-shadowui .coop-hero__features,
.coop-shadowui .coop-auth-card__head p,
.coop-shadowui .coop-entry-strip p {
    color: var(--ss-theme-muted);
}

.coop-shadowui .coop-hero__features li::marker {
    color: var(--ss-theme-accent);
}

.coop-shadowui .coop-hero__badges span,
.coop-shadowui .coop-auth-card__kicker {
    border-color: color-mix(in srgb, var(--ss-theme-accent) 38%, transparent);
    background: color-mix(in srgb, var(--ss-theme-accent) 10%, rgba(5, 8, 16, 0.86));
    color: var(--ss-theme-muted);
    font-family: var(--ss-mono-font, ui-monospace, monospace);
}

.coop-shadowui .coop-hero__media {
    border-color: color-mix(in srgb, var(--ss-theme-purple) 32%, transparent);
    background: color-mix(in srgb, var(--ss-theme-surface-strong) 94%, transparent);
}

.coop-shadowui .coop-hero__media img {
    border: 1px solid var(--ss-theme-border);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.42);
}

.coop-shadowui .coop-auth-card--login {
    border-color: color-mix(in srgb, var(--ss-theme-cyan) 32%, transparent);
}

.coop-shadowui .coop-auth-card--register {
    border-color: color-mix(in srgb, var(--ss-theme-pink) 32%, transparent);
}

.coop-shadowui .coop-auth-card__head {
    border-bottom-color: var(--ss-theme-border);
}

/* ── Formulare ── */

.coop-shadowui .coop-form label {
    color: var(--ss-theme-muted);
    font-weight: 600;
}

.coop-shadowui .coop-form input,
.coop-shadowui .coop-form textarea {
    border: 1px solid var(--ss-theme-border);
    background: var(--ss-theme-input);
    color: var(--ss-theme-text-strong);
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.coop-shadowui .coop-form input::placeholder {
    color: var(--ss-theme-dim);
}

.coop-shadowui .coop-form input:focus,
.coop-shadowui .coop-form textarea:focus {
    border-color: color-mix(in srgb, var(--ss-theme-accent-2) 55%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--ss-theme-accent-2) 18%, transparent);
}

.coop-shadowui .coop-form__submit,
.coop-shadowui .coop-form button[type="submit"]:not(.coop-puzzle__knob) {
    border: 1px solid color-mix(in srgb, var(--ss-theme-accent) 42%, transparent);
    background: var(--ss-theme-button-bg);
    color: var(--ss-theme-text-strong);
    box-shadow: 0 0 24px color-mix(in srgb, var(--ss-theme-accent) 26%, transparent);
    font-weight: 800;
    transition: transform 140ms ease, box-shadow 140ms ease, filter 140ms ease;
}

.coop-shadowui .coop-form__submit:hover,
.coop-shadowui .coop-form__submit:focus-visible,
.coop-shadowui .coop-form button[type="submit"]:not(.coop-puzzle__knob):hover,
.coop-shadowui .coop-form button[type="submit"]:not(.coop-puzzle__knob):focus-visible {
    filter: brightness(1.06);
    box-shadow: 0 0 32px color-mix(in srgb, var(--ss-theme-accent) 34%, transparent);
    outline: none;
}

.coop-shadowui .coop-entry-strip__btn {
    border: 1px solid color-mix(in srgb, var(--ss-theme-accent) 48%, transparent);
    background: color-mix(in srgb, var(--ss-theme-accent) 16%, rgba(5, 8, 16, 0.92));
    color: var(--ss-theme-text-strong);
    transition: background 160ms ease, box-shadow 160ms ease;
}

.coop-shadowui .coop-entry-strip__btn:hover,
.coop-shadowui .coop-entry-strip__btn:focus-visible {
    background: var(--ss-theme-button-bg);
    box-shadow: 0 0 22px color-mix(in srgb, var(--ss-theme-accent) 24%, transparent);
    outline: none;
}

/* ── Puzzle (Premium Shadow) ── */

.coop-shadowui .coop-puzzle {
    border: 1px solid color-mix(in srgb, var(--ss-theme-accent-2) 32%, transparent);
    background:
        linear-gradient(155deg, color-mix(in srgb, var(--ss-theme-accent) 6%, transparent), transparent 42%),
        color-mix(in srgb, var(--ss-theme-surface-strong) 92%, transparent);
}

.coop-shadowui .coop-puzzle__head strong {
    color: var(--ss-theme-text);
    font-family: var(--ss-mono-font, ui-monospace, monospace);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.coop-shadowui .coop-puzzle__head button {
    border-color: var(--ss-theme-border);
    background: var(--ss-theme-surface-soft);
    color: var(--ss-theme-muted);
}

.coop-shadowui .coop-puzzle__head button:hover,
.coop-shadowui .coop-puzzle__head button:focus-visible {
    border-color: color-mix(in srgb, var(--ss-theme-accent-2) 45%, transparent);
    color: var(--ss-theme-text-strong);
}

.coop-shadowui .coop-puzzle__track {
    border-color: color-mix(in srgb, var(--ss-theme-accent-2) 28%, transparent);
    background:
        linear-gradient(90deg, color-mix(in srgb, var(--ss-theme-accent) 18%, transparent), color-mix(in srgb, var(--ss-theme-accent-2) 12%, transparent)),
        repeating-linear-gradient(
            45deg,
            color-mix(in srgb, var(--ss-theme-accent-2) 8%, transparent),
            color-mix(in srgb, var(--ss-theme-accent-2) 8%, transparent) 8px,
            transparent 8px,
            transparent 16px
        );
}

.coop-shadowui .coop-puzzle__target {
    border-color: color-mix(in srgb, var(--ss-theme-cyan) 75%, transparent);
    background: color-mix(in srgb, var(--ss-theme-cyan) 12%, transparent);
}

.coop-shadowui .coop-puzzle__piece {
    border-color: rgba(255, 255, 255, 0.75);
    background: linear-gradient(135deg, var(--ss-theme-cyan), var(--ss-theme-purple));
    box-shadow:
        0 8px 22px color-mix(in srgb, var(--ss-theme-accent) 38%, transparent),
        0 0 0 1px rgba(255, 255, 255, 0.18);
}

.coop-shadowui .coop-puzzle__slider {
    border-color: var(--ss-theme-border);
    background: var(--ss-theme-input);
}

.coop-shadowui .coop-puzzle__fill {
    background: linear-gradient(90deg, color-mix(in srgb, var(--ss-theme-accent) 55%, transparent), color-mix(in srgb, var(--ss-theme-accent-2) 45%, transparent));
}

.coop-shadowui .coop-puzzle__knob {
    border-color: color-mix(in srgb, var(--ss-theme-accent-2) 55%, transparent);
    background: linear-gradient(150deg, #ffffff, color-mix(in srgb, var(--ss-theme-accent-2) 35%, #e8f4ff));
    box-shadow: 0 0 14px color-mix(in srgb, var(--ss-theme-accent-2) 28%, transparent);
}

.coop-shadowui .coop-puzzle__track-shimmer {
    background: linear-gradient(
        105deg,
        transparent 0%,
        color-mix(in srgb, var(--ss-theme-cyan) 14%, transparent) 45%,
        color-mix(in srgb, var(--ss-theme-pink) 18%, transparent) 50%,
        color-mix(in srgb, var(--ss-theme-cyan) 14%, transparent) 55%,
        transparent 100%
    );
}

.coop-shadowui .coop-puzzle__status {
    color: var(--ss-theme-dim);
}

.coop-shadowui .coop-puzzle.is-solved .coop-puzzle__status {
    color: var(--ss-theme-green);
}

.coop-shadowui .coop-puzzle.is-error .coop-puzzle__status {
    color: var(--ss-theme-danger);
}

/* ── Support-Widget ── */

.coop-shadowui .coop-support-widget__launcher {
    border: 1px solid color-mix(in srgb, var(--ss-theme-accent) 52%, transparent);
    background: var(--ss-theme-button-bg);
    color: var(--ss-theme-text-strong);
    box-shadow:
        0 0 28px color-mix(in srgb, var(--ss-theme-accent) 28%, transparent),
        var(--ss-theme-shadow);
    font-weight: 800;
}

.coop-shadowui .coop-support-widget__panel {
    border: 1px solid color-mix(in srgb, var(--ss-theme-accent-2) 32%, transparent);
    background: var(--ss-theme-panel-bg);
    box-shadow: var(--ss-theme-shadow), 0 0 48px color-mix(in srgb, var(--ss-theme-accent) 14%, transparent);
}

.coop-shadowui .coop-support-widget__head {
    border-bottom-color: var(--ss-theme-border);
}

.coop-shadowui .coop-support-widget__head h3 {
    color: var(--ss-theme-text-strong);
}

.coop-shadowui .coop-support-widget__head p,
.coop-shadowui .coop-support-widget__status {
    color: var(--ss-theme-dim);
}

.coop-shadowui .coop-support-widget__prompts button,
.coop-shadowui .coop-support-widget__handoff button:not(.is-primary),
.coop-shadowui .coop-support-widget__close {
    border-color: var(--ss-theme-border);
    background: var(--ss-theme-surface-soft);
    color: var(--ss-theme-muted);
}

.coop-shadowui .coop-support-widget__handoff button.is-primary,
.coop-shadowui .coop-support-widget__composer button {
    border-color: color-mix(in srgb, var(--ss-theme-accent) 45%, transparent);
    background: var(--ss-theme-button-bg);
    color: var(--ss-theme-text-strong);
    box-shadow: 0 0 20px color-mix(in srgb, var(--ss-theme-accent) 22%, transparent);
}

.coop-shadowui .coop-support-widget__entry p {
    border-color: var(--ss-theme-border);
    background: var(--ss-theme-surface-soft);
    color: var(--ss-theme-text);
}

.coop-shadowui .coop-support-widget__entry.is-user p {
    border-color: color-mix(in srgb, var(--ss-theme-accent) 38%, transparent);
    background: color-mix(in srgb, var(--ss-theme-accent) 16%, var(--ss-theme-surface));
}

.coop-shadowui .coop-support-widget__composer input {
    border-color: var(--ss-theme-border);
    background: var(--ss-theme-input);
    color: var(--ss-theme-text-strong);
}

/* ── Flashes ── */

.coop-shadowui .coop-shell-flash {
    border-color: var(--ss-theme-border);
    background: var(--ss-theme-surface-soft);
    color: var(--ss-theme-text);
}

.coop-shadowui .coop-shell-flash--success {
    border-color: color-mix(in srgb, var(--ss-theme-green) 45%, transparent);
}

.coop-shadowui .coop-shell-flash--warning {
    border-color: color-mix(in srgb, var(--ss-theme-warning) 48%, transparent);
}

.coop-shadowui .coop-shell-flash--danger,
.coop-shadowui .coop-shell-flash--error {
    border-color: color-mix(in srgb, var(--ss-theme-danger) 52%, transparent);
}

/* ── Entry: lesbare Typo, großzügiges Puzzle (Shadow UI) ── */

.coop-shadowui.coop-entry-surface .coop-hero__copy h2,
.coop-shadowui .coop-entry-surface .coop-hero__copy h2 {
    font-size: clamp(1rem, 2.2vw, 1.28rem);
}

.coop-shadowui.coop-entry-surface .coop-auth-card__head h3,
.coop-shadowui .coop-entry-surface .coop-auth-card__head h3 {
    font-size: clamp(1.1rem, 2.4vw, 1.35rem);
}

.coop-shadowui.coop-entry-surface .coop-auth-card__head p,
.coop-shadowui .coop-entry-surface .coop-auth-card__head p {
    font-size: clamp(0.86rem, 1.6vw, 0.95rem);
}

.coop-shadowui.coop-entry-surface .coop-form label,
.coop-shadowui .coop-entry-surface .coop-form label {
    font-size: clamp(0.88rem, 1.6vw, 0.95rem);
}

.coop-shadowui.coop-entry-surface .coop-puzzle__head strong,
.coop-shadowui .coop-entry-surface .coop-puzzle__head strong {
    font-size: clamp(0.78rem, 1.5vw, 0.88rem);
    letter-spacing: 0.04em;
}

.coop-shadowui.coop-entry-surface .coop-puzzle__head button,
.coop-shadowui .coop-entry-surface .coop-puzzle__head button {
    min-height: 40px;
    font-size: clamp(0.8rem, 1.4vw, 0.86rem);
}

.coop-shadowui.coop-entry-surface .coop-puzzle__status,
.coop-shadowui .coop-entry-surface .coop-puzzle__status {
    font-size: clamp(0.82rem, 1.5vw, 0.88rem);
}

.coop-shadowui.coop-entry-surface .coop-puzzle__knob,
.coop-shadowui .coop-entry-surface .coop-puzzle__knob {
    touch-action: none;
    -webkit-tap-highlight-color: transparent;
}

.coop-shadowui.coop-entry-surface .coop-puzzle__slider,
.coop-shadowui.coop-entry-surface .coop-puzzle__track,
.coop-shadowui .coop-entry-surface .coop-puzzle__slider,
.coop-shadowui .coop-entry-surface .coop-puzzle__track {
    touch-action: none;
    -webkit-tap-highlight-color: transparent;
}