/* =========================================================================
   OC Manager – Base Layout (Reset, Body, Sidebar, Topbar, Container)
   Pfad: app/static/css/base.css
   ========================================================================= */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-brand-purple); text-decoration: none; }
a:hover { color: var(--color-brand-purple-hover); }

h1, h2, h3, h4 { margin: 0; font-weight: var(--weight-semibold); color: var(--color-text); }
h1 { font-size: var(--text-2xl); letter-spacing: -0.01em; }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
p  { margin: 0; }

code, pre, .mono { font-family: var(--font-mono); }

/* ---------- App shell ---------- */
.app {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 18px 12px;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: var(--z-sidebar);
}
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px 18px 10px;
    border-bottom: 1px solid var(--color-divider);
    margin-bottom: 12px;
}
.sidebar-brand .brand-mark {
    width: 32px; height: 32px;
    border-radius: 8px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(65, 18, 99, 0.12);
}
/* Legacy sidebar-brand-mark (text fallback if SVG fails) */
.sidebar-brand-mark {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--color-brand-cyan), var(--color-brand-purple));
    display: grid; place-items: center;
    color: white; font-weight: var(--weight-bold); font-size: 13px;
    letter-spacing: -0.5px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(65, 18, 99, 0.12);
}
.sidebar-brand-text {
    font-weight: var(--weight-bold);
    font-size: var(--text-md);
    color: var(--color-text);
    line-height: 1.2;
    letter-spacing: -0.01em;
}
.sidebar-brand-sub {
    font-size: var(--text-xs);
    color: var(--color-text-subtle);
    line-height: 1.2;
    margin-top: 2px;
}
.sidebar-section-label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-subtle);
    font-weight: var(--weight-semibold);
    padding: 14px 10px 6px;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 1px; }
.sidebar-link {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    transition: background var(--duration-1) var(--ease), color var(--duration-1) var(--ease);
}
.sidebar-link:hover { background: var(--color-surface-muted); color: var(--color-text); }
.sidebar-link.active {
    background: var(--color-brand-purple-soft);
    color: var(--color-brand-purple);
    font-weight: var(--weight-semibold);
}
.sidebar-link svg { width: 16px; height: 16px; flex-shrink: 0; }
.sidebar-link .badge { margin-left: auto; }

.sidebar-footer { margin-top: auto; padding: 10px; border-top: 1px solid var(--color-divider); }

/* ---------- Topbar ---------- */
.topbar {
    height: var(--topbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 var(--container-pad);
    gap: 16px;
    position: sticky; top: 0;
    z-index: var(--z-topbar);
}
.topbar-title {
    font-size: var(--text-md);
    font-weight: var(--weight-semibold);
    color: var(--color-text);
}
.topbar-search {
    flex: 1;
    max-width: 480px;
    position: relative;
}
.topbar-search input {
    width: 100%;
    height: 34px;
    padding: 0 12px 0 34px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    background: var(--color-surface-muted);
    transition: border-color var(--duration-1) var(--ease), background var(--duration-1) var(--ease);
}
.topbar-search input:focus {
    outline: none;
    background: var(--color-surface);
    border-color: var(--color-brand-cyan);
    box-shadow: 0 0 0 3px var(--color-brand-cyan-soft);
}
.topbar-search svg {
    position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
    width: 16px; height: 16px; color: var(--color-text-subtle); pointer-events: none;
}
.topbar-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.topbar-user {
    display: flex; align-items: center; gap: 8px;
    padding: 4px 10px 4px 4px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    background: transparent;
    border: 1px solid transparent;
    color: var(--color-text);
    font-family: inherit;
    transition: background var(--duration-1) var(--ease), border-color var(--duration-1) var(--ease);
}
.topbar-user:hover { background: var(--color-surface-muted); border-color: var(--color-border); }
.topbar-user[aria-expanded="true"] { background: var(--color-surface-muted); border-color: var(--color-border); }
.topbar-user-avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--color-brand-purple);
    color: white;
    display: grid; place-items: center;
    font-size: var(--text-xs); font-weight: var(--weight-semibold);
    flex-shrink: 0;
}
.topbar-user-name {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-weight: var(--weight-medium);
}
.topbar-user-chev {
    color: var(--color-text-subtle);
    transition: transform var(--duration-1) var(--ease);
}
.topbar-user[aria-expanded="true"] .topbar-user-chev { transform: rotate(180deg); }

/* ---------- Main / Content ---------- */
.main { display: flex; flex-direction: column; min-width: 0; }
.content {
    padding: 24px var(--container-pad) 60px;
    max-width: var(--content-max);
    width: 100%;
    margin: 0 auto;
}
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px; flex-wrap: wrap;
    margin-bottom: 22px;
}
.page-header-title { display: flex; flex-direction: column; gap: 4px; }
.page-header-title h1 { font-size: var(--text-2xl); font-weight: var(--weight-semibold); }
.page-header-subtitle { font-size: var(--text-base); color: var(--color-text-muted); }
.page-header-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.page-section { margin-bottom: 28px; }
.page-section-title {
    font-size: var(--text-md);
    font-weight: var(--weight-semibold);
    color: var(--color-text);
    margin-bottom: 12px;
    display: flex; align-items: center; gap: 8px;
}

/* Flash / alert region under topbar */
.flash-stack { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .app { grid-template-columns: 1fr; }
    .sidebar {
        position: fixed; left: -260px; top: 0; width: 240px;
        transition: left var(--duration-3) var(--ease);
        box-shadow: var(--shadow-lg);
    }
    .sidebar.open { left: 0; }
    .topbar { padding: 0 16px; }
    .content { padding: 16px; }
    .topbar-search { max-width: none; }
}