main {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
}

header {
    width: 100%;
    border-bottom: 1px solid var(--border);
    background: rgba(31, 41, 55, 0.6);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 3rem;
    height: 100%;
}

.brand {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.03em;
}

.brand span {
    color: var(--accent);
}

nav {
    display: flex;
    gap: 1.5rem;
    height: 100%;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    border-bottom: 2px solid transparent;
    padding: 0 0.25rem;
    transition: color 0.15s ease, border-color 0.15s ease;
}

nav a:hover, nav a.active {
    color: var(--text);
    border-color: var(--accent);
}

.profile-dropdown {
    position: relative;
    display: inline-block;
    height: 100%;
    display: flex;
    align-items: center;
}

.profile-trigger {
    background: none;
    border: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.profile-trigger:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.avatar {
    width: 2rem;
    height: 2rem;
    background-color: var(--accent);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.username {
    font-size: 0.95rem;
    font-weight: 500;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% - 0.5rem);
    right: 0;
    width: 200px;
    background: #1f2937;
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    display: none;
    flex-direction: column;
    padding: 0.5rem 0;
    z-index: 100;
}

.profile-dropdown:hover .dropdown-menu,
.dropdown-menu.show {
    display: flex;
}

.dropdown-menu a, .logout-btn {
    width: 100%;
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-decoration: none;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
    box-sizing: border-box;
}

.dropdown-menu a:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text);
}

.dropdown-divider {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 0.4rem 0;
}

.logout-btn {
    color: #ef4444;
    font-weight: 500;
}

.logout-btn:hover {
    background-color: rgba(239, 68, 68, 0.1);
    color: #f87171;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: left;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.stat-card h2 {
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.25rem;
    color: var(--text);
}

.stat-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.search-input {
    max-width: 320px;
}

.table-container {
    width: 100%;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

th {
    background: #111827;
    color: var(--text-muted);
    font-weight: 600;
    padding: 1rem 1.5rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.01);
}

#modal {
    position: fixed;
    z-index: 100;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    width: 200px;
    background: #1f2937;
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    display: none;
    flex-direction: column;
    z-index: 1000;
}

.dropdown-menu.show {
    display: flex !important;
}

#main-nav {
    z-index: 900;
}

@media (max-width: 768px) {
    .menu-trigger { display: block; background: none; border: 1px solid var(--border); color: var(--text); padding: 0.4rem 0.8rem; border-radius: 6px; }

    #main-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 4rem;
        left: 0;
        width: 100%;
        background: #111827;
        padding: 1rem;
        z-index: 100;
        border-bottom: 1px solid var(--border);
    }

    #main-nav.show { display: flex; }
}

@media (min-width: 769px) {
    .menu-trigger { display: none; }
}