/* --- HEADER UTAMA --- */
.main-header {
    width: 100%;
    height: 70px;
    background: rgba(0, 128, 128, 0.4);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10000;
    transition: top 0.3s ease-in-out;
}

.header-content {
    height: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 900;
    text-decoration: none;
    letter-spacing: 1px;
    background: linear-gradient(40deg, #40E0D0, #b794f4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0px 0px 8px rgba(255, 59, 59, 0.4));
}

/* --- NAV TOGGLE (ANIMASI SILANG X) --- */
.menu-toggle {
    width: 30px;
    height: 22px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 10002;
    transition: transform 1.1 ease;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: white;
    border-radius: 4px;
    transition: all 0.3s ease-in-out; /* Durasi animasi silang */
}

/* LOGIKA ANIMASI SILANG (X) PAS AKTIF */
.menu-toggle.is-active span:nth-child(1) {
    transform: translateY(9.5px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
    opacity: 0; /* Garis tengah hilang */
}

.menu-toggle.is-active span:nth-child(3) {
    transform: translateY(-9.5px) rotate(-45deg);
}


.dropdown-container {
    position: absolute;
    top: 70px; 
    right: 20px; 
    background: rgba(30, 30, 30, 0.75); 
    backdrop-filter: blur(12px); 
    -webkit-backdrop-filter: blur(12px); 
    border: 1px solid rgba(255, 255, 255, 0.1); 
    border-radius: 16px;
    padding: 10px 0;
    min-width: 160px;
    
    /* ANIMASI NGUMPET */
    opacity: 0;
    transform: translateY(-15px); 
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.2, 0, 0.2, 1); 
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); 
}

/* KONDISI MUNCUL (Bisa trigger .active atau .show dari JS) */
.dropdown-container.active,
.dropdown-container.show {
    opacity: 1;
    transform: translateY(0); 
    visibility: visible;
}


.dropdown-container a {
    display: block;
    padding: 12px 20px; 
    color: ivory;
    text-decoration: none;
    font-size: 0.95rem; 
    font-weight: 600;
    text-transform: capitalize; 
    text-align: left; 
    transition: background 0.2s, color 0.2s;
    text-align: center;
}


.dropdown-container a:hover, 
.dropdown-container a:active {
    background: rgba(255, 255, 255, 0.1); 
    color: #b794f4;
}

/* =========================================
   TOMBOL MODE FOKUS & LOGIKA HEADER
   ========================================= */
.btn-focus {
    background: transparent;
    border: none;
    color: #b794f4;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    padding: 5px;
}

.btn-focus:hover {
    color: #00c6ff;
    transform: scale(1.15);
}

/* Animasi Tombol Nyala Saat Fokus Aktif */
.btn-focus.is-active {
    color: #00d26a;
    animation: pulseFocus 2s infinite;
}

@keyframes pulseFocus {
    0%, 100% { filter: drop-shadow(0 0 5px rgba(0, 210, 106, 0.4)); transform: scale(1); }
    50% { filter: drop-shadow(0 0 15px rgba(0, 210, 106, 0.8)); transform: scale(1.1); }
}

/* SAAT MODE FOKUS AKTIF: Header berubah drastis! */
body.focus-mode-active .main-header {
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: none;
    box-shadow: none;
}

/* Redupkan logo & Hilangkan tombol menu agar tidak mengganggu */
body.focus-mode-active .logo { opacity: 0.3; transition: 0.5s; }
body.focus-mode-active .menu-toggle { opacity: 0; pointer-events: none; transition: 0.3s; }