/* =====================================================
   HEADER - Rei Motors
   ===================================================== */

/* Botão admin (agora discreto/mini) */
.btn-admin-mini {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 6px;
    background: transparent;
    border: 1px solid rgba(80, 80, 80, 0.3);
    color: #505050;
    font-size: 0.75rem;
    text-decoration: none;
    transition: all 0.2s;
    opacity: 0.5;
}
.btn-admin-mini:hover {
    opacity: 1;
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Botão Área do Cliente */
.btn--cliente {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    background: transparent;
    border: 1px solid rgba(212, 175, 55, 0.4);
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}
.btn--cliente:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--color-accent);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: var(--z-fixed);
    padding: var(--spacing-md) 0;
    transition: all var(--transition-normal);
}

[data-theme="light"] .header {
    background-color: rgba(250, 250, 250, 0.95);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ===== LOGO ===== */

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: opacity var(--transition-fast);
}

.header__logo:hover {
    opacity: 0.8;
}

.logo {
    height: 52px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    mix-blend-mode: screen;
}

[data-theme="light"] .logo {
    mix-blend-mode: multiply;
    filter: invert(1);
}

.logo-text {
    display: none;
}

/* ===== NAVEGAÇÃO ===== */

.header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
    margin: 0 var(--spacing-2xl);
}

.nav__menu {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav__link {
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    transition: color var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent-primary);
    transition: width var(--transition-fast);
}

.nav__link:hover {
    color: var(--color-accent-primary);
}

.nav__link:hover::after {
    width: 100%;
}

/* ===== AÇÕES DO HEADER ===== */

.header__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

/* ===== THEME TOGGLE ===== */

.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: var(--color-bg-secondary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--color-accent-primary);
    transform: rotate(20deg);
}

/* ===== HAMBURGER MENU (Mobile) ===== */

.hamburger {
    display: none;
    flex-direction: column;
    width: 30px;
    height: 20px;
    background: none;
    cursor: pointer;
    gap: 5px;
    margin-left: var(--spacing-lg);
}

.hamburger span {
    width: 100%;
    height: 2px;
    background-color: var(--color-accent-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(10px, -10px);
}

/* ===== RESPONSIVO ===== */

@media (max-width: 992px) {
    .nav__menu {
        gap: var(--spacing-lg);
    }

    .nav__link {
        font-size: var(--font-size-sm);
    }

    .header__nav {
        margin: 0 var(--spacing-2xl);
    }
}

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

    .header__nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-bg-primary);
        border-bottom: 1px solid var(--color-border);
        margin: 0;
        padding: var(--spacing-lg) var(--spacing-2xl);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
    }

    .header__nav.active {
        max-height: 400px;
    }

    .nav__menu {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .header__logo .logo-text {
        display: none;
    }

    .header__actions {
        gap: var(--spacing-md);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .header {
        padding: var(--spacing-sm) 0;
    }

    .header .container {
        padding: 0 var(--spacing-md);
    }

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

    .theme-toggle {
        width: 36px;
        height: 36px;
    }

    .btn--primary {
        display: none;
    }

    .btn--cliente {
        display: none;
    }

    .btn-admin-mini {
        display: none;
    }
}