/* assets/css/global.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: var(--color-link, var(--primary-color));
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-link, var(--primary-hover));
}

/* Utilities */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.w-100 { width: 100%; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.mb-1 { margin-bottom: var(--space-2); }
.mb-2 { margin-bottom: var(--space-4); }
.mb-3 { margin-bottom: var(--space-6); }
.mt-1 { margin-top: var(--space-2); }
.mt-2 { margin-top: var(--space-4); }

/* Layout App */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: var(--bg-sidebar);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-normal);
}

.sidebar-header {
    padding: var(--space-6) var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.25rem;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color); /* Updated for better contrast in light mode */
}

/* Logo Toggling */
[data-theme="dark"] .brand-logo-light { display: none !important; }
html:not([data-theme="dark"]) .brand-logo-dark { display: none !important; }

.sidebar-header i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4) 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    color: var(--text-muted);
    transition: all var(--transition-fast);
    gap: var(--space-3);
    border-left: 3px solid transparent;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-right: var(--space-4);
}

.nav-item i {
    font-size: 1.25rem;
}

.nav-item.active {
    background-color: color-mix(in srgb, var(--primary-color) 30%, transparent);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

/* Sidebar Dropdown */
.nav-dropdown {
    margin-right: var(--space-4);
}
.nav-dropdown > .dropdown-toggle {
    width: 100%;
    margin-right: 0;
    justify-content: space-between;
    background: transparent;
    border: none;
    font-size: 1rem;
    cursor: pointer;
}
.nav-dropdown > .dropdown-toggle .dropdown-icon {
    transition: transform var(--transition-fast);
}
.nav-dropdown.active > .dropdown-toggle .dropdown-icon {
    transform: rotate(180deg);
}
.nav-dropdown-menu {
    display: none;
    flex-direction: column;
    padding-left: 2.5rem;
    padding-top: var(--space-2);
    gap: var(--space-2);
}
.nav-dropdown.active .nav-dropdown-menu {
    display: flex;
}
.dropdown-item {
    color: var(--text-muted);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    display: block;
}
.dropdown-item:hover {
    color: var(--primary-color);
}
.dropdown-item.active {
    color: var(--primary-color);
    font-weight: 600;
}
[data-theme="dark"] .dropdown-item:hover {
    color: var(--warning-color);
}
[data-theme="dark"] .dropdown-item.active {
    color: var(--warning-color);
}

[data-theme="dark"] .nav-item.active {
    background-color: color-mix(in srgb, var(--warning-color) 30%, transparent);
    border-left-color: var(--warning-color);
    color: var(--warning-color);
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.topbar {
    background-color: var(--bg-surface);
    height: 64px;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    z-index: 10;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.content-wrapper {
    padding: var(--space-6);
    flex: 1;
    overflow-y: auto;
}

@media (max-width: 768px) {
    .d-md-none { display: block !important; }
    .d-md-block { display: none !important; }
    .d-md-flex { display: none !important; }

    .topbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        padding: 0 var(--space-4);
    }
    
    .content-wrapper {
        padding-top: calc(64px + var(--space-4)); /* Account for fixed topbar */
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -280px; /* Hidden off-canvas */
        bottom: 0;
        height: 100vh;
        width: 280px;
        z-index: 200;
        transition: left 0.3s ease;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(15, 23, 42, 0.4);
        z-index: 150;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* Helper classes */
.d-none { display: none !important; }
@media (min-width: 769px) {
    .d-md-none { display: none !important; }
    .d-md-block { display: block !important; }
    .d-md-flex { display: flex !important; }
}

/* Collapsed Sidebar Styles */
html.sidebar-is-collapsed .sidebar {
    width: 80px;
}

html.sidebar-is-collapsed .sidebar .brand-logo-light,
html.sidebar-is-collapsed .sidebar .brand-logo-dark,
html.sidebar-is-collapsed .sidebar .brand-logo-full,
html.sidebar-is-collapsed .sidebar .brand-text-full {
    display: none !important;
}

html.sidebar-is-collapsed .sidebar .brand-logo-collapsed,
html.sidebar-is-collapsed .sidebar .brand-text-collapsed {
    display: block !important;
}

html.sidebar-is-collapsed .sidebar .nav-item span {
    display: none;
}

html.sidebar-is-collapsed .sidebar .nav-item {
    justify-content: center;
    margin-right: 0;
    border-radius: 0;
    padding: var(--space-3) 0;
}

html.sidebar-is-collapsed .sidebar .sidebar-nav {
    padding-left: 0;
    padding-right: 0;
}

/* Tooltip for collapsed sidebar */
html.sidebar-is-collapsed .sidebar .nav-item {
    position: relative;
}

html.sidebar-is-collapsed .sidebar .nav-item:hover::after {
    content: attr(data-title);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 10px;
    background: var(--bg-surface);
    color: var(--text-main);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    white-space: nowrap;
    z-index: 1000;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    opacity: 0;
    pointer-events: none;
    animation: tooltipFadeIn 0.2s forwards;
}

html.sidebar-is-collapsed .sidebar .nav-item:hover::before {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 2px;
    border-width: 6px;
    border-style: solid;
    border-color: transparent var(--border-color) transparent transparent;
    z-index: 1000;
    animation: tooltipFadeIn 0.2s forwards;
}

/* For dark mode tooltip border matching */
[data-theme="dark"] html.sidebar-is-collapsed .sidebar .nav-item:hover::after {
    background: #1e293b;
    border-color: #334155;
    color: #f8fafc;
}
[data-theme="dark"] html.sidebar-is-collapsed .sidebar .nav-item:hover::before {
    border-color: transparent #334155 transparent transparent;
}

@keyframes tooltipFadeIn {
    0% { opacity: 0; transform: translate(-10px, -50%); }
    100% { opacity: 1; transform: translate(0, -50%); }
}

/* Chat Glowing Border Effect */
@keyframes chatGlow {
    0% { box-shadow: 0 0 5px var(--primary-color), 0 0 10px var(--primary-color); }
    50% { box-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color); }
    100% { box-shadow: 0 0 5px var(--primary-color), 0 0 10px var(--primary-color); }
}

.chat-glowing-border {
    border: 1px solid var(--primary-color);
    animation: chatGlow 1.5s infinite alternate;
    border-radius: var(--radius-md);
    position: relative;
    z-index: 1;
}