/*
 * Public-, Auth- und App-Layouts inklusive responsiver Sidebar.
 *
 * @package LeadershipCoachPortal
 */

/* ------------------------------------------------------------------
   Public shell
   ------------------------------------------------------------------ */

.public-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(1200px 600px at 10% -10%, rgba(117, 88, 255, 0.13), transparent 60%),
        radial-gradient(900px 500px at 100% 0%, rgba(33, 200, 223, 0.1), transparent 55%),
        var(--bg);
}

.public-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    width: 100%;
    margin: 0 auto;
    padding: 18px max(24px, calc((100% - var(--container)) / 2));
    backdrop-filter: blur(14px);
}

.public-nav::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.public-nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.public-nav-link {
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    color: var(--ink-soft);
    font-weight: 600;
    font-size: 14px;
}

.public-nav-link:hover {
    text-decoration: none;
    background: var(--surface-2);
    color: var(--ink);
}

.public-main {
    flex: 1;
    width: min(100% - 48px, var(--container));
    margin: 0 auto;
    padding: 24px 0 80px;
}

.public-footer {
    width: min(100% - 48px, var(--container));
    margin: 0 auto;
    padding: 28px 0 40px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 13px;
}

.public-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

/* ------------------------------------------------------------------
   Brand
   ------------------------------------------------------------------ */

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    padding: 5px 14px 5px 6px;
    border-radius: 14px;
    /* Links schwarz, damit der schwarze Logo-Hintergrund sauber uebergeht. */
    background: linear-gradient(90deg, #000 0%, #000 22%, var(--brand) 68%, var(--brand-2) 100%);
    box-shadow: 0 10px 24px rgba(20, 23, 39, 0.18);
    color: #fff;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    color: inherit;
}

.brand-logo img {
    display: block;
    width: auto;
    height: 30px;
    /* Schwarzen Hintergrund des PNGs ausblenden, damit der Verlauf greift. */
    mix-blend-mode: screen;
}

.brand-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1.05;
    color: inherit;
}

.brand-text:hover { text-decoration: none; }

.brand-name { font-size: 16px; }
.brand-sub {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.72);
}

/* ------------------------------------------------------------------
   Auth shell
   ------------------------------------------------------------------ */

.auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
    background: var(--bg);
}

.auth-visual {
    position: relative;
    overflow: hidden;
    padding: 56px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: #fff;
    background:
        radial-gradient(800px 500px at 80% 10%, rgba(33, 200, 223, 0.55), transparent 55%),
        radial-gradient(700px 500px at 0% 100%, rgba(255, 131, 107, 0.4), transparent 55%),
        linear-gradient(145deg, #1a2035 0%, #2b1f63 55%, #0e3b58 100%);
}

.auth-visual::after {
    content: "";
    position: absolute;
    inset: auto -10% -35% auto;
    width: 70%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: var(--grad-brand);
    opacity: 0.22;
    filter: blur(8px);
}

.auth-visual .brand { color: #fff; }
.auth-visual .brand-sub { color: rgba(255, 255, 255, 0.7); }

.auth-visual-copy {
    position: relative;
    z-index: 1;
    max-width: 520px;
}

.auth-visual-copy h1 {
    font-size: clamp(2.2rem, 3.4vw, 3.4rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 18px;
}

.auth-visual-copy p {
    color: rgba(255, 255, 255, 0.78);
    font-size: 16px;
    max-width: 440px;
}

.auth-feature-list {
    display: grid;
    gap: 14px;
    margin-top: 32px;
}

.auth-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
}

.auth-feature-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.14);
    display: grid;
    place-items: center;
    flex: 0 0 auto;
}

.auth-feature strong { display: block; font-size: 14px; }
.auth-feature span { font-size: 13px; color: rgba(255, 255, 255, 0.7); }

.auth-panel {
    display: grid;
    place-items: center;
    padding: 40px 28px;
    background: var(--bg);
}

.auth-card {
    width: min(100%, 440px);
}

.auth-card h2 {
    font-size: 30px;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
}

.auth-card > p {
    color: var(--muted);
    margin-bottom: 28px;
}

.auth-footer {
    margin-top: 22px;
    color: var(--muted);
    font-size: 14px;
    text-align: center;
}

/* ------------------------------------------------------------------
   App shell
   ------------------------------------------------------------------ */

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    background: var(--bg);
}

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 24px 18px;
    background: var(--grad-sidebar);
    color: var(--sidebar-ink);
    overflow-y: auto;
    z-index: 60;
}

.sidebar .brand { color: #fff; padding: 4px 10px 4px 4px; gap: 8px; }
.sidebar .brand-logo img { height: 24px; }
.sidebar .brand-name { font-size: 15px; }
.sidebar .brand-sub { color: rgba(255, 255, 255, 0.68); }

.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sidebar-label {
    padding: 10px 12px 6px;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--sidebar-muted);
}

.nav-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 12px;
    border-radius: 10px;
    color: var(--sidebar-muted);
    font-size: 14px;
    font-weight: 600;
    transition: background var(--speed) var(--ease), color var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.nav-item:hover {
    text-decoration: none;
    color: #fff;
    background: var(--sidebar-active);
}

.nav-item.active {
    color: #fff;
    background: var(--grad-brand);
    box-shadow: 0 8px 18px rgba(117, 88, 255, 0.35);
}

.nav-item.active::before {
    content: "";
    position: absolute;
    left: -18px;
    top: 50%;
    width: 4px;
    height: 22px;
    border-radius: 0 4px 4px 0;
    background: #fff;
    transform: translateY(-50%);
}

.nav-icon {
    width: 22px;
    height: 22px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
}

.nav-badge {
    margin-left: auto;
    min-width: 22px;
    height: 22px;
    padding: 0 7px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: grid;
    place-items: center;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
}

.sidebar-user-info { min-width: 0; }
.sidebar-user-name { font-size: 13px; font-weight: 700; color: #fff; }
.sidebar-user-role { font-size: 11px; color: var(--sidebar-muted); text-transform: uppercase; letter-spacing: 0.08em; }

.sidebar-legal {
    padding: 14px 10px 0;
    color: var(--sidebar-muted);
    font-size: 11px;
    line-height: 1.5;
}

.app-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    height: var(--topbar-h);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 28px;
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.menu-toggle {
    display: none;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.breadcrumbs .current { color: var(--ink); }

.topbar-title {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar-user {
    display: block;
    min-width: 0;
    max-width: 180px;
}

.content {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 28px;
}

.page {
    display: flex;
    flex-direction: column;
    gap: 24px;
    animation: pageIn 260ms var(--ease);
}

@keyframes pageIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.page-title {
    font-size: clamp(1.55rem, 2vw, 2rem);
    letter-spacing: -0.03em;
}

.page-subtitle {
    margin-top: 6px;
    color: var(--muted);
    max-width: 720px;
}

.page-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.sidebar-backdrop {
    display: none;
}

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

@media (max-width: 1180px) {
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
    .app-shell { grid-template-columns: minmax(0, 1fr); }
    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        width: min(86vw, 300px);
        transform: translateX(-105%);
        transition: transform 220ms var(--ease);
    }
    .app-shell.sidebar-open .sidebar { transform: translateX(0); }
    .sidebar-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 55;
        background: rgba(10, 14, 26, 0.5);
        opacity: 0;
        pointer-events: none;
        transition: opacity 220ms var(--ease);
    }
    .app-shell.sidebar-open .sidebar-backdrop {
        opacity: 1;
        pointer-events: auto;
    }
    .menu-toggle { display: inline-flex; }
    .topbar { padding: 0 18px; }
    .content { padding: 20px 18px 40px; }
    .auth-shell { grid-template-columns: 1fr; }
    .auth-visual { display: none; }
    .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .topbar-user { display: none; }
}

@media (max-width: 720px) {
    .public-main, .public-footer { width: min(100% - 32px, var(--container)); }
    .public-nav { gap: 10px; padding-left: 16px; padding-right: 16px; }
    .public-nav .brand { gap: 8px; min-width: 0; padding: 4px 9px 4px 5px; }
    .public-nav .brand-logo img { height: 24px; }
    .public-nav .brand-text { overflow: hidden; }
    .public-nav .brand-name {
        font-size: 13px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .public-nav .brand-sub { display: none; }
    .public-nav-links .public-nav-link { display: none; }
    .public-nav-links .public-nav-login { display: inline-flex; }
    .public-nav-links .public-nav-register { display: none; }
    .public-main { padding-bottom: 20px; }
    .public-footer { padding-top: 16px; padding-bottom: 20px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
    .page-header { align-items: flex-start; }
    .topbar-title { font-size: 14px; }
    .breadcrumbs { display: none; }
    .content { padding: 16px 14px 36px; }
    .auth-panel { padding: 32px 18px; }
    .auth-card h2 { font-size: 26px; }
}