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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s, color 0.3s;
}

header {
    background-color: var(--header-bg);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    height: 40px;
    width: auto;
    max-width: 150px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu li a {
    color: var(--nav-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav-menu li a:hover {
    background-color: var(--nav-hover);
}

.settings-dropdown {
    position: relative;
    display: inline-block;
}

.settings-btn {
    background: none;
    border: none;
    color: var(--nav-color);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.settings-btn:hover {
    color: var(--accent-color);
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    background-color: var(--dropdown-bg);
    min-width: 200px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    border-radius: 4px;
    z-index: 1;
}

.dropdown-content.show {
    display: block;
}

.dropdown-content a, .dropdown-content button {
    color: var(--dropdown-text);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

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

.language-flags {
    display: flex;
    gap: 0.5rem;
    margin-left: 1rem;
}

.flag-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
}

main {
    min-height: calc(100vh - 140px);
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    text-align: center;
    padding: 1rem;
    margin-top: auto;
}

/* Responsivo */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        padding: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 1rem;
        margin-top: 1rem;
    }

    .language-flags {
        margin-left: 0;
        justify-content: center;
    }

    main {
        padding: 1rem;
    }
}

/* Hamburger menu para mobile */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--nav-color);
    margin: 3px 0;
    transition: 0.3s;
}

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

    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
    }

    .nav-menu.active {
        display: flex;
    }
}