/* base_nav.css — Global navigation bar for base.html */

.global-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 16px;
    height: 48px;
    background: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border-default);
    font-size: 14px;
    z-index: 100;
    position: relative;
}

.global-nav .nav-brand {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 15px;
    color: var(--color-accent-primary);
    text-decoration: none;
    margin-right: auto;
    padding: 4px 8px;
    border-radius: 6px;
}

.global-nav .nav-brand:hover {
    background: var(--color-overlay-light);
}

.global-nav .nav-brand .material-symbols-outlined {
    font-size: 20px;
}

.global-nav .nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
}

.global-nav .nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
    white-space: nowrap;
}

.global-nav .nav-link:hover {
    color: var(--color-text-primary);
    background: var(--color-overlay-light);
}

.global-nav .nav-link.active {
    color: var(--color-accent-primary);
    background: var(--color-overlay-medium);
}

.global-nav .nav-user {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 8px;
    color: var(--color-text-secondary);
    font-size: 13px;
}

.global-nav .nav-user .material-symbols-outlined {
    font-size: 18px;
}

.global-nav .nav-username {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.global-nav .nav-logout-form {
    display: inline;
    margin: 0;
    padding: 0;
}

.global-nav .nav-logout-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.global-nav .nav-logout-btn:hover {
    color: var(--color-danger);
}

.global-nav .nav-logout-btn .material-symbols-outlined {
    font-size: 18px;
}

.global-nav .nav-login-link {
    color: var(--color-accent-primary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: background 0.2s;
}

.global-nav .nav-login-link:hover {
    background: var(--color-overlay-medium);
}

.global-nav .nav-login-link .material-symbols-outlined {
    font-size: 18px;
}

/* Theme toggle button */
.global-nav .nav-theme-toggle {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, background 0.2s;
    margin-left: 4px;
}

.global-nav .nav-theme-toggle:hover {
    color: var(--color-text-primary);
    background: var(--color-overlay-light);
}

.global-nav .nav-theme-toggle .material-symbols-outlined {
    font-size: 20px;
}

/* Hamburger button — hidden on desktop */
.global-nav .nav-hamburger {
    display: none;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
}

.global-nav .nav-hamburger:hover {
    color: var(--color-text-primary);
    background: var(--color-overlay-light);
}

.global-nav .nav-hamburger .material-symbols-outlined {
    font-size: 24px;
}

/* Mobile nav overlay */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

.nav-overlay.visible {
    display: block;
}

@media (max-width: 640px) {
    .global-nav .nav-hamburger {
        display: flex;
    }

    .global-nav .nav-links {
        display: none;
        position: absolute;
        top: calc(48px + env(safe-area-inset-top, 0px));
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-surface);
        border-bottom: 1px solid var(--color-border-default);
        padding: 8px;
        z-index: 100;
        box-shadow: 0 4px 12px var(--color-shadow-default);
    }

    .global-nav .nav-links.open {
        display: flex;
    }

    .global-nav .nav-link {
        padding: 12px 16px;
        font-size: 14px;
        border-radius: 8px;
    }
}

/* iOS safe-area: nav top padding */
@supports (padding-top: env(safe-area-inset-top)) {
    .global-nav {
        padding-top: env(safe-area-inset-top);
    }
}

/* Mobile responsive */
@media (max-width: 768px) {
    .global-nav {
        padding: 0 8px;
        gap: 2px;
    }
    .global-nav .nav-link {
        padding: 6px 8px;
        font-size: 13px;
    }
    .global-nav .nav-brand {
        font-size: 14px;
    }
    .global-nav .nav-username {
        display: none;
    }
}

@media (max-width: 480px) {
    .global-nav .nav-links {
        gap: 0;
    }
    .global-nav .nav-link {
        padding: 6px;
        font-size: 12px;
    }
}

/* Keep mobile drawer spacing readable (override 768/480 compact rules) */
@media (max-width: 640px) {
    .global-nav .nav-links.open .nav-link {
        padding: 12px 16px;
        font-size: 14px;
    }

    .global-nav .nav-links.open {
        gap: 8px;
    }
}