/* Root/shared CSS to centralize reusable rules during refactor
   Incremental: this file is introduced first and then rules will be moved out of app.css
*/

/* Global background & typography (shared) */
html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-start), var(--bg-mid), var(--bg-end));
    background-attachment: fixed;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    color: var(--text);
}

/* Page-level container backgrounds */
.page, main, .content, article {
    background: var(--page-bg);
    background-attachment: fixed;
}

/* Fix Bootstrap overrides & common surface styles */
.card, .card-body, .bg-light, .bg-secondary, .bg-white {
    background-color: transparent !important;
    background: transparent !important;
}

/* USER STATUS & PROFILE PICTURE (global defaults) */
.user-info {
    background-color: var(--glass-weak) !important;
    border-radius: 0.5rem !important;
    border: 1px solid rgba(247, 222, 36, 0.3) !important; /* keep subtle border using accent yellow */
}

.profile-picture {
    width: 2.5rem !important;
    height: 2.5rem !important;
    border-radius: 50% !important;
    border: 2px solid var(--accent-yellow) !important;
}

.username { color: var(--white) !important; font-weight: 600 !important; }
.user-role { color: var(--accent-blue) !important; }

/* Reusable button styles */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    min-width: 44px;
    height: 36px;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    min-width: 40px;
    height: 32px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-2));
    color: var(--white);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-blue-2), var(--accent-blue-dark));
}

/* Simple home two-column layout shared utility */
.home-layout {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.home-primary {
    flex: 1 1 60%;
    min-width: 0;
}

.home-secondary {
    flex: 0 0 320px;
    max-width: 35%;
}

@media (max-width: 768px) {
    .home-layout { flex-direction: column; }
    .home-secondary { width: 100%; max-width: 100%; }
}

/* Network article and shared glassmorphism styles moved from app.css */
.network-article,
.network-article[class],
div.network-article,
div.network-article[class],
*[class*="network-article"] {
    background-color: var(--glass-strong) !important;
    color: var(--text) !important;
    margin: 0 0 1.5em 0 !important;
    padding: 1.5em !important;
    border: 1px solid rgba(160, 160, 160, 0.3) !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4) !important;
    backdrop-filter: blur(5px) !important;
    transition: none !important;
}

.network-article h3 {
    color: var(--accent-yellow) !important;
    margin-top: 0 !important;
    margin-bottom: 1em !important;
    border-bottom: 1px solid rgba(247, 222, 36, 0.3) !important;
    padding-bottom: 0.5em !important;
}

.network-article p {
    margin-bottom: 1em !important;
    line-height: 1.6 !important;
    color: var(--muted) !important;
}

.network-article a {
    color: var(--accent-yellow) !important;
    text-decoration: none !important;
    font-weight: 500 !important;
}

.network-article a:hover {
    color: var(--white) !important;
    text-decoration: underline !important;
}

/* Glassmorphism utility */
.section,
.account-container .section {
    background: var(--glass-weak) !important;
    backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(247, 222, 36, 0.3) !important;
    border-radius: 8px !important;
}

/* NAV COLLAPSE STATES */
body.nav-collapsed .sidebar {
    width: 64px; /* collapsed width */
    transition: width 240ms ease-in-out;
}

body.nav-collapsed .sidebar .nav-scrollable > nav {
    opacity: 0;
    transform: translateX(-8px);
    pointer-events: none;
}

/* Expand content area when nav collapsed */
body.nav-collapsed .main-content {
    margin-left: 64px; /* keep alignment when collapsed */
}

/* Overlay fade when nav expanded on small screens */
body:not(.nav-collapsed) .nav-overlay {
    display: none;
}

body.nav-collapsed .navbar-toggler {
    z-index: 10050; /* ensure toggler floats above glass */
}

/* Add a simple overlay element when nav is expanded on mobile */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 9998;
    display: none;
    transition: opacity 200ms ease-in-out;
}

body:not(.nav-collapsed) .nav-overlay.show {
    display: block;
    opacity: 1;
}

/* ensure toggler visually sits above everything */
.navbar-toggler {
    z-index: 10060;
}

/* Header sidebar toggler (persistent) */
.sidebar-toggler {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0,0,0,0.55);
    border: 1px solid rgba(255,255,255,0.08);
    display: inline-block;
    position: fixed; /* keep it fixed so it's always accessible */
    right: 1rem; /* use right so it won't overlap logo */
    top: 1rem;
    z-index: 14010;
    box-shadow: 0 6px 18px rgba(0,0,0,0.45);
    backdrop-filter: blur(6px);
}

/* Ensure persistent header toggler is always visible and interactive */
.sidebar-toggler {
    display: block !important;
    pointer-events: auto !important;
    cursor: pointer !important;
}

@media (max-width: 640px) {
    /* keep toggler reachable on small screens */
    .sidebar-toggler { left: 0.75rem; top: 0.75rem; }
}

/* Default: show X when expanded; when collapsed (nav hidden) show burger */
.sidebar-toggler::before {
    content: '\2715'; /* X */
    display: block;
    font-size: 18px;
    color: rgba(255,255,255,0.95);
    text-align: center;
    line-height: 44px;
}

body.nav-collapsed .sidebar-toggler::before {
    content: '\2630'; /* burger */
}

/* Main content transitions for smooth shift when sidebar collapses */
.main-content {
    transition: margin-left 240ms ease-in-out, opacity 240ms ease-in-out, transform 240ms ease-in-out;
}

/* When nav collapsed, nudge main content to the left slightly and increase opacity */
body.nav-collapsed .main-content {
    margin-left: 64px; /* match collapsed sidebar width */
    opacity: 1;
}

/* Add hover state */
.sidebar-toggler:hover { background: rgba(0,0,0,0.65); }

/* Floating toggle between sidebar and content */
.sidebar-toggle-floating {
    position: fixed;
    left: calc(260px - 22px); /* edge of the sidebar (half hanging) */
    top: calc(var(--header-height) - 28px); /* align vertically with header */
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: rgba(0,0,0,0.55);
    color: white;
    border: 1px solid rgba(255,255,255,0.08);
    z-index: 16000;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 12px rgba(0,0,0,0.45);
    cursor: pointer;
}

.sidebar-toggle-floating::before { content: '\2715'; font-size: 18px; }
body.nav-collapsed .sidebar-toggle-floating::before { content: '\2630'; }

/* Ensure content uses flex so sidebar + main content layout is stable */
.content-inner {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

/* Sidebar fixed width */
.sidebar {
    flex: 0 0 260px;
}

/* Main content grows to fill remaining space */
.main-content {
    flex: 1 1 auto;
    transition: margin-left 240ms ease-in-out, opacity 240ms ease-in-out, transform 240ms ease-in-out;
}

/* When nav collapsed, don't shift on mobile (sidebar slides off-screen). On desktop, optionally nudge content */
@media (min-width: 641px) {
    body.nav-collapsed .main-content { margin-left: 0; }
}

@media (max-width: 640px) {
    .sidebar-toggler { right: 0.75rem; top: 0.75rem; }
    .sidebar-toggle-floating { left: 12px; top: 12px; }
}