/* Agents First Repo Docs — layout.css
   Sidebar, main content, topbar, buscador, tab-pane shell.
   ======================================================= */

.app-container {
    min-height: 100vh;
}

/* ─── Sidebar ─────────────────────────────────────────── */

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 30;
    width: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 18px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    transition: transform 0.24s ease, background-color 0.2s ease, border-color 0.2s ease;
}

body.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
    padding-inline: 14px;
}

.sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 20;
    display: none;
    background: rgba(15, 23, 42, 0.38);
}

.sidebar-brand {
    display: grid;
    grid-template-columns: 40px 1fr auto;
    align-items: center;
    gap: 12px;
    min-height: 44px;
}

body.sidebar-collapsed .sidebar-brand {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 10px;
}

.brand-logo {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}

.brand-icon {
    font-size: 18px;
}

.brand-details h1 {
    font-size: 16px;
    line-height: 1.2;
    font-weight: 720;
}

.brand-details span {
    display: block;
    margin-top: 2px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 650;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

body.sidebar-collapsed .brand-details,
body.sidebar-collapsed .nav-item span,
body.sidebar-collapsed .github-btn span {
    display: none;
}

body.sidebar-collapsed .nav-item,
body.sidebar-collapsed .github-btn {
    justify-content: center;
    padding-inline: 0;
}

.sidebar-close,
.mobile-menu-btn,
.action-btn {
    display: inline-grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

body.sidebar-collapsed .sidebar-close {
    width: 34px;
    height: 34px;
}

body.sidebar-collapsed .sidebar-close i {
    transform: rotate(180deg);
}

.mobile-menu-btn {
    display: none;
    flex: 0 0 auto;
}

.sidebar-nav {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
    padding-right: 2px;
}

.nav-item,
.github-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 40px;
    padding: 9px 10px;
    border-radius: var(--radius);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 560;
    border: 1px solid transparent;
    transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.nav-item i,
.github-btn i {
    width: 18px;
    text-align: center;
    font-size: 15px;
}

.nav-item:hover,
.github-btn:hover,
.action-btn:hover,
.mobile-menu-btn:hover,
.sidebar-close:hover {
    background: var(--surface-muted);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.nav-item.active {
    background: var(--accent-soft);
    color: var(--accent-strong);
    border-color: color-mix(in srgb, var(--accent) 20%, transparent);
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
}

.github-btn {
    justify-content: center;
    background: var(--surface-muted);
    color: var(--text-primary);
}

/* Botón de tema en el sidebar footer */
.theme-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    min-height: 40px;
    padding: 9px 10px;
    border-radius: var(--radius);
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 14px;
    font-weight: 560;
    transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
    text-align: left;
}

.theme-btn:hover {
    background: var(--surface-muted);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.theme-btn i {
    width: 18px;
    text-align: center;
    font-size: 15px;
}

body.sidebar-collapsed .theme-btn {
    justify-content: center;
    padding-inline: 0;
}

body.sidebar-collapsed .theme-btn span {
    display: none;
}

/* Botón de LinkedIn en el sidebar footer */
.linkedin-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    min-height: 40px;
    padding: 9px 10px;
    border-radius: var(--radius);
    color: #ffffff;
    background: #0077b5;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: background-color 0.18s ease;
}

.linkedin-btn:hover {
    background: #005a87;
}

.linkedin-btn i {
    width: 18px;
    text-align: center;
    font-size: 15px;
}

body.sidebar-collapsed .linkedin-btn {
    justify-content: center;
    padding-inline: 0;
}

body.sidebar-collapsed .linkedin-btn span {
    display: none;
}

/* ─── Main Content ────────────────────────────────────── */

.main-content {
    min-height: 100vh;
    margin-left: var(--active-sidebar-width);
    padding: 22px clamp(18px, 4vw, 44px) 96px;
    transition: margin-left 0.24s ease, transform 0.24s ease;
    display: flex;
    flex-direction: column;
}

.top-bar {
    position: sticky;
    top: 0;
    z-index: 15;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 8px 0 18px;
    background: color-mix(in srgb, var(--bg-primary) 90%, transparent);
    backdrop-filter: blur(14px);
}

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

.header-actions .copy-prompt-trigger {
    width: auto;
    min-width: 148px;
    height: 42px;
    min-height: 42px;
    padding-inline: 16px;
}

/* ─── Tab Pane Shell ──────────────────────────────────── */

.content-wrapper,
.tab-pane {
    display: flex;
    flex-direction: column;
}

.tab-pane {
    display: none;
    gap: 18px;
    animation: fadeIn 0.22s ease;
}

.tab-pane.active {
    display: flex;
}

/* Loading placeholder inside empty tab panes */
.page-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: var(--text-muted);
    font-size: 14px;
    gap: 10px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── Soporte para imágenes claro/oscuro e iconos de marca ─── */

.dark-only {
    display: none !important;
}

[data-theme="dark"] .dark-only {
    display: block !important;
}

[data-theme="dark"] .light-only {
    display: none !important;
}

.brand-logo-img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

/* ─── Footer Fijo Abajo (Siempre Visible) ────────────── */

.app-footer {
    position: fixed;
    bottom: 0;
    left: var(--active-sidebar-width);
    right: 0;
    height: 56px;
    background: color-mix(in srgb, var(--bg-primary) 85%, transparent);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding-inline: clamp(18px, 4vw, 44px);
    z-index: 10;
    transition: left 0.24s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.footer-logo {
    height: 20px;
    object-fit: contain;
    opacity: 0.65;
    transition: opacity 0.2s ease;
}

.footer-logo:hover {
    opacity: 0.95;
}

.footer-credits {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 550;
}

.footer-credits a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.18s ease;
}

.footer-credits a:hover {
    color: var(--accent);
}

.txt-heart {
    color: #ef4444;
    animation: heartbeat 1.4s infinite;
    display: inline-block;
    margin-inline: 2px;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.18); }
}