/* ==========================
   HEADER
   ========================== */
.main-header {
    background-color: rgba(15, 17, 21, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
}

.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    flex-shrink: 0;
    font-size: 21px;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-image {
    display: block;
    width: auto;
    height: 36px;
    object-fit: contain;
}

.logo-text {
    white-space: nowrap;
    color: var(--text-main);
}

.logo-text span {
    color: var(--primary-color);
}

.main-nav {
    min-width: 0;
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    gap: 4px;
    min-width: 0;
}

.nav-link {
    padding: 8px 10px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 13px;
    white-space: nowrap;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover {
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(207, 86, 0, 0.1);
}

.header-actions {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 15px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 24px;
    cursor: pointer;
}

/* ==========================
   HEADER ADAPTIVITY
   ========================== */
@media (max-width: 1150px) and (min-width: 901px) {
    .header-container {
        padding-right: 12px;
        padding-left: 12px;
    }

    .logo {
        font-size: 19px;
        gap: 6px;
    }

    .logo-image {
        height: 32px;
    }

    .nav-list {
        gap: 2px;
    }

    .nav-link {
        padding-right: 6px;
        padding-left: 6px;
        font-size: 11px;
        gap: 5px;
    }

    .header-actions {
        gap: 8px;
    }

    .header-actions .btn-primary {
        padding-right: 12px;
        padding-left: 12px;
        font-size: 12px;
    }
}

@media (max-width: 900px) {
    .mobile-menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: rgba(15, 17, 21, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }

    .main-nav.show {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        width: 100%;
        padding: 0 20px;
    }

    .nav-item {
        width: 100%;
        text-align: center;
        margin-bottom: 10px;
    }

    .nav-link {
        justify-content: center;
        font-size: 18px;
        padding: 15px;
    }

    .header-actions .btn-primary {
        display: none;
    }
}

/* Floating Dynamic Island header. */
.main-header { top: 20px; height: auto; padding: 0 20px; background: transparent; border: 0; animation: header-slide-down 1s cubic-bezier(.16,1,.3,1) forwards; opacity: 0; transform: translateY(-50px); }
.header-container { display: grid; grid-template-columns: max-content minmax(0, 1fr) max-content; column-gap: 14px; height: auto; max-width: 1360px; padding: 10px 20px; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-pill); box-shadow: var(--glass-shadow); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); }
.header-container:hover { border-color: rgba(255,255,255,.2); }
.logo { font-size: 1.2rem; letter-spacing: -.5px; }
.logo-image { width: 32px; height: 32px; border-radius: 50%; }
.logo-text span { color: var(--accent-color); }
.main-nav { min-width: 0; }
.nav-list { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); align-items: stretch; gap: 4px; width: 100%; }
.nav-item { min-width: 0; }
.nav-link { min-height: 38px; justify-content: center; padding: 6px 7px; border-radius: 20px; font-size: .78rem; line-height: 1.15; text-align: center; white-space: normal; color: var(--text-secondary); }
.nav-link i { flex: 0 0 auto; }
.nav-link:hover, .nav-link.active { color: var(--text-primary); background: rgba(255,255,255,.1); }
@keyframes header-slide-down { to { opacity: 1; transform: translateY(0); } }
/* The header has six long labels; collapse before the island becomes crowded. */
@media (max-width: 900px) {
    .mobile-menu-toggle { display: block; }
    .main-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(0,0,0,.88);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }
    .main-nav.show { left: 0; }
    .nav-list { display: flex; flex-direction: column; align-items: center; width: 100%; padding: 0 20px; }
    .nav-item { width: 100%; margin-bottom: 10px; text-align: center; }
    .nav-link { justify-content: center; font-size: 1.1rem; }
    .header-actions .btn-primary { display: none; }
}