/* Reset & Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --background: #ffffff;
    --foreground: #0a0a0a;
    --card: #ffffff;
    --card-foreground: #0a0a0a;
    --muted: #f4f4f5;
    --muted-foreground: #71717a;
    --border: #e4e4e7;
    --primary: #18181b;
    --primary-foreground: #fafafa;
    --destructive: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    --radius: 0.5rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background: var(--background);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 1.75rem;
    text-decoration: none;
    color: var(--foreground);
}

.navbar-logo {
    height: 40px;
    width: auto;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-user a {
    color: var(--muted-foreground);
    text-decoration: none;
    font-size: 0.875rem;
}

.navbar-user a:hover {
    color: var(--foreground);
}

.user-name {
    font-weight: 500;
    font-size: 0.875rem;
}

.user-dropdown-toggle {
    display: none;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--foreground);
    font-size: 0.875rem;
    padding: 0.5rem;
    border-radius: 0.25rem;
}

.user-dropdown-toggle:hover {
    background: var(--muted);
}

.dropdown-arrow {
    transition: transform 0.2s;
}

.user-dropdown-toggle.active .dropdown-arrow {
    transform: rotate(180deg);
}

.user-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 1rem;
    margin-top: 0.5rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    min-width: 160px;
    z-index: 1000;
}

.user-dropdown-menu.active {
    display: flex;
    flex-direction: column;
}

.user-dropdown-menu a {
    padding: 0.75rem 1rem;
    color: var(--foreground);
    text-decoration: none;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border);
}

.user-dropdown-menu a:last-child {
    border-bottom: none;
}

.user-dropdown-menu a:hover {
    background: var(--muted);
}

/* Desktop: show horizontal layout */
@media (min-width: 769px) {
    .navbar-user {
        gap: 1rem;
    }

    .user-dropdown-toggle {
        display: flex;
        padding: 0;
        pointer-events: none;
    }

    .user-dropdown-toggle:hover {
        background: transparent;
    }

    .dropdown-arrow {
        display: none;
    }

    .user-dropdown-menu {
        position: static;
        display: flex !important;
        flex-direction: row;
        gap: 1rem;
        border: none;
        box-shadow: none;
        background: transparent;
        min-width: auto;
        margin-top: 0;
    }

    .user-dropdown-menu a {
        padding: 0;
        border-bottom: none;
        color: var(--muted-foreground);
    }

    .user-dropdown-menu a:hover {
        background: transparent;
        color: var(--foreground);
    }
}

/* Mobile: show dropdown */
@media (max-width: 768px) {
    .navbar {
        padding: 0.75rem 1rem;
        position: relative;
    }

    .navbar-user {
        position: relative;
    }

    .user-dropdown-toggle {
        display: flex;
    }

    .user-name {
        max-width: 150px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

/* Content wrapper */
.content-wrapper {
    padding: 2rem;
}

/* Common page elements */
.header {
    margin-bottom: 2rem;
}

.back-link {
    color: var(--muted-foreground);
    text-decoration: none;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.back-link:hover {
    color: var(--foreground);
}

h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--muted-foreground);
}

.label-hint {
    font-weight: 400;
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--muted-foreground);
}

.empty-state a {
    color: var(--primary);
    text-decoration: none;
}

.empty-state a:hover {
    text-decoration: underline;
}