/* ============================================================
   layout.css — Login, sidebar colapsable, topbar y rejillas
   ============================================================ */

/* ---------- Pantalla de acceso ---------- */

.login-screen {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: var(--sp-5);
    background: var(--bg);
    position: relative;
    overflow: hidden;
}

.login-card {
    position: relative;
    z-index: 1;
    width: min(440px, 100%);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-md);
    padding: var(--sp-6);
}

.login-brand {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin-bottom: var(--sp-5);
}

.login-brand img { width: 48px; height: 48px; border-radius: 16px; }
.login-brand h1 { font-size: 1.42rem; }
.login-brand p { color: var(--text-muted); font-size: 0.85rem; font-weight: 500; }

.login-card .btn { width: 100%; padding: 15px 22px; font-size: 0.95rem; }

/* Los enlaces de la tarjeta de acceso (crear cuenta, recuperar) no son
   acciones principales: no ocupan todo el ancho. */
.login-card .btn-sm { width: auto; padding: 9px 14px; font-size: 0.84rem; }
.login-card .row { justify-content: center; }
.login-card > .hint { display: block; margin-top: var(--sp-4); text-align: center; }

/* ---------- Estructura principal ---------- */

.app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    grid-template-rows: 100vh;
    transition: grid-template-columns 0.22s ease;
}

.app-shell.is-collapsed {
    grid-template-columns: var(--sidebar-w-collapsed) 1fr;
}

/* ---------- Sidebar ---------- */

.sidebar {
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: var(--surface-2);
    border-right: 1px solid var(--border);
    overflow: hidden;
}

.sidebar-head {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    height: var(--topbar-h);
    padding: 0 var(--sp-4);
    border-bottom: 1px solid var(--border);
    flex: 0 0 auto;
}

.sidebar-head img { width: 36px; height: 36px; border-radius: 12px; flex: 0 0 auto; }

.sidebar-title { font-family: var(--font-display); font-weight: 700; font-size: 0.98rem; white-space: nowrap; color: var(--primary-hover); }
.sidebar-title span { display: block; font-family: var(--font-sans); font-weight: 600; font-size: 0.7rem; color: var(--text-soft); }
.sidebar-title .sidebar-version { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.08em; color: var(--text-soft); }

.sidebar-nav {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    padding: var(--sp-4) var(--sp-3) var(--sp-5);
}

.sidebar-nav::-webkit-scrollbar-thumb { background: var(--border-strong); }

.nav-group-label {
    padding: var(--sp-4) var(--sp-3) var(--sp-2);
    font-size: 0.63rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-soft);
    white-space: nowrap;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    width: 100%;
    padding: 11px var(--sp-4);
    margin-bottom: 3px;
    border: 0;
    border-radius: var(--r-md);
    background: transparent;
    color: var(--text-muted);
    font-size: 0.87rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.nav-item:hover { background: var(--primary-soft); color: var(--text); }

.nav-item[aria-current="page"] {
    background: var(--primary);
    color: var(--on-primary);
    font-weight: 700;
    box-shadow: var(--shadow-primary);
}

.nav-item .nav-icon {
    flex: 0 0 22px;
    display: grid;
    place-items: center;
    font-size: 1rem;
    line-height: 1;
}

.nav-item .nav-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.nav-badge {
    margin-left: auto;
    padding: 2px 9px;
    border-radius: 999px;
    background: var(--danger-solid);
    color: #ffffff;
    font-size: 0.68rem;
    font-weight: 800;
}

.nav-item[aria-current="page"] .nav-badge { background: var(--surface); color: var(--primary-hover); }

.app-shell.is-collapsed .sidebar-title,
.app-shell.is-collapsed .nav-label,
.app-shell.is-collapsed .nav-group-label,
.app-shell.is-collapsed .nav-badge {
    display: none;
}

.app-shell.is-collapsed .nav-item { justify-content: center; padding: 12px 0; }
.app-shell.is-collapsed .sidebar-head { justify-content: center; padding: 0; }

/* ---------- Barra superior ---------- */

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

.topbar {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    height: var(--topbar-h);
    flex: 0 0 auto;
    padding: 0 var(--sp-5);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.topbar h1 { font-size: 1.12rem; font-weight: 700; }
.topbar .topbar-sub { font-size: 0.75rem; color: var(--text-soft); font-weight: 500; }

.topbar-spacer { flex: 1 1 auto; }

.user-chip {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 5px 14px 5px 5px;
    border: 1px solid var(--border);
    border-radius: var(--r-pill);
    background: var(--surface);
}

.avatar {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--primary);
    color: var(--on-primary);
    font-size: 0.76rem;
    font-weight: 800;
    border: 2px solid var(--primary-soft);
}

.user-chip .user-name { font-size: 0.82rem; font-weight: 700; line-height: 1.15; }
.user-chip .user-role { font-size: 0.68rem; color: var(--text-soft); line-height: 1.15; font-weight: 500; }

.view-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    padding: var(--sp-5);
}

.view { display: flex; flex-direction: column; gap: var(--sp-5); }

.view-head { display: flex; align-items: flex-start; gap: var(--sp-4); flex-wrap: wrap; }
.view-head .grow p { color: var(--text-muted); font-size: 0.87rem; margin-top: 4px; font-weight: 500; }

/* ---------- Rejillas ---------- */

.grid-kpi {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
    gap: var(--sp-4);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--sp-4);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--sp-4);
}

.grid-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: var(--sp-4);
}

.span-full { grid-column: 1 / -1; }

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

@media (max-width: 1080px) {
    .grid-kpi { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
}

@media (max-width: 860px) {
    .app-shell,
    .app-shell.is-collapsed {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        z-index: 60;
        inset: 0 auto 0 0;
        width: min(280px, 84vw);
        transform: translateX(-102%);
        transition: transform 0.22s ease;
        box-shadow: var(--shadow-lg);
    }

    .app-shell.is-drawer-open .sidebar { transform: translateX(0); }

    .app-shell.is-collapsed .sidebar-title,
    .app-shell.is-collapsed .nav-label,
    .app-shell.is-collapsed .nav-group-label,
    .app-shell.is-collapsed .nav-badge { display: revert; }

    .app-shell.is-collapsed .nav-item { justify-content: flex-start; padding: 11px var(--sp-4); }
    .app-shell.is-collapsed .sidebar-head { justify-content: flex-start; padding: 0 var(--sp-4); }

    .scrim {
        position: fixed;
        inset: 0;
        z-index: 55;
        background: rgba(46, 50, 48, 0.45);
        backdrop-filter: blur(3px);
    }

    .topbar { padding: 0 var(--sp-4); }
    .view-scroll { padding: var(--sp-4); }
    .user-chip .user-name,
    .user-chip .user-role { display: none; }
    .user-chip { padding: 4px; }
}

@media (max-width: 560px) {
    .topbar h1 { font-size: 1rem; }
    .topbar .topbar-sub { display: none; }
    .grid-kpi { grid-template-columns: repeat(auto-fit, minmax(148px, 1fr)); gap: var(--sp-3); }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .view-scroll { padding: var(--sp-3); }
    .view { gap: var(--sp-4); }
    .login-card { padding: var(--sp-5); }
}