/* Navigation & Dropdown Styles */

.navbar {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: var(--s-2) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    align-items: flex-end;
}

.nav-links {
    align-items: flex-end;
    padding-top: 0.18rem;
}

/* Dropdown Menu Styles */
.dropdown-menu {
    position: relative;
    display: inline-block;
    margin-left: auto;
    margin-right: calc(-1.5rem - var(--s-3));
    padding-top: 0.32rem;
}

.dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--s-2) var(--s-3) var(--s-2) var(--s-3);
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--ink-2);
    transition: all var(--t-fast) var(--ease);
    border-bottom: 2px solid transparent;
}

.dropdown-toggle:hover {
    color: var(--ink);
    border-bottom-color: var(--line-strong);
}

.dropdown-toggle:focus {
    outline: 2px solid var(--ink);
    outline-offset: 2px;
}

.dropdown-toggle svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.dropdown-username {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: var(--fs-6);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 2px;
    background: var(--paper);
    min-width: 140px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border: 1px solid var(--line);
    border-radius: var(--r-1);
    z-index: 1000;
    overflow: hidden;
}

.dropdown-menu:hover .dropdown-content,
.dropdown-menu:focus-within .dropdown-content {
    display: block;
}

.dropdown-content a,
.dropdown-content button {
    display: block;
    width: 100%;
    padding: var(--s-2) var(--s-3);
    text-align: left;
    color: var(--ink-2);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: var(--fs-6);
    letter-spacing: 0.02em;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--t-fast) var(--ease);
    border-bottom: none !important;
}

.dropdown-content a:hover,
.dropdown-content button:hover {
    background: var(--gray-1);
    color: var(--ink);
}

.dropdown-content form {
    margin: 0;
}

.dropdown-divider {
    height: 1px;
    background: var(--line);
    margin: 0;
}

/* ==========================================================================
   HAMBURGER MENU — hidden on desktop, visible on mobile
   ========================================================================== */

.nav-hamburger {
    display: none;
    background: none;
    border: 1.5px solid var(--line);
    border-radius: 6px;
    padding: 8px 7px;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    transition: border-color 0.2s ease;
}

.nav-hamburger:hover {
    border-color: var(--ink);
}

.hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ink);
    border-radius: 1px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 768px) {
    .nav-hamburger {
        display: flex;
    }

    .navbar .container {
        flex-wrap: wrap;
    }

    .nav-brand {
        font-size: 1.2rem;
    }

    /* Hide nav links by default on mobile */
    .nav-links {
        display: none !important;
        flex-direction: column;
        width: 100%;
        gap: 0;
        padding: 0.5rem 0 0;
        order: 3;
    }

    /* Show when toggled */
    .nav-links.nav-open {
        display: flex !important;
    }

    .nav-links a {
        display: block;
        padding: 0.75rem 0.5rem;
        border-bottom: 1px solid var(--line-faint, #f0f0f0);
        font-size: 1rem;
    }

    .nav-links a:last-of-type {
        border-bottom: none;
    }

    .nav-links a.active {
        background: var(--gray-1, #f5f5f5);
        border-left: 3px solid var(--sage-green);
        padding-left: calc(0.5rem - 3px);
    }

    /* Dropdown menu: full width in mobile nav */
    .nav-links .dropdown-menu {
        margin-left: 0;
        margin-right: 0;
        width: 100%;
        padding-top: 0;
    }

    .nav-links .dropdown-toggle {
        padding: 0.75rem 0.5rem;
        width: 100%;
        justify-content: flex-start;
    }

    .nav-links .dropdown-content {
        position: static;
        box-shadow: none;
        border: none;
        border-top: 1px solid var(--line-faint, #f0f0f0);
        background: var(--gray-1, #f5f5f5);
    }
}