/* style.css */

/* 1. FONT IMPORTS & VARIABEL DESAIN
/* ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;600&family=Lora:ital,wght@0,400;0,700;1,400&family=Poppins:wght@300;400;600;700&display=swap');

:root {
    /* Font Families */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Lora', serif;
    --font-code: 'Fira Code', monospace;

    /* Tech Theme Palette */
    --primary-color: #00aaff;
    --primary-hover: #0088cc;
    --secondary-color: #00ff9c;

    /* General Variables */
    --border-radius: 12px;
    --transition-speed: 0.3s;
    --box-shadow: 0 4px 25px rgba(0, 0, 0, 0.07);
    --box-shadow-hover: 0 6px 30px rgba(0, 0, 0, 0.12);

    /* Light Mode Palette */
    --bg-light: #f8f9fa;
    --card-light: #ffffff;
    --text-light: #212529;
    --text-secondary-light: #6c757d;
    --border-light: #dee2e6;
    
    /* Dark Mode Palette (Default) */
    --bg-dark: #161925;
    --card-dark: #1d2130;
    --text-dark: #e9ecef;
    --text-secondary-dark: #adb5bd;
    --border-dark: #343a40;
}

/* 2. GAYA DASAR & ANIMASI
/* ========================================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-dark);
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
    line-height: 1.8;
    animation: fadeIn 0.5s ease-in-out;
}
body.light-mode { background-color: var(--bg-light); color: var(--text-light); }
.container { max-width: 1100px; width: 90%; margin: 0 auto; padding: 20px 0; }

/* 3. NAVIGASI BARU DENGAN HAMBURGER MENU
/* ========================================== */
.navbar {
    position: sticky; top: 15px; z-index: 1000;
    background-color: rgba(29, 33, 48, 0.8);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    padding: 10px 20px; border-radius: var(--border-radius);
    display: flex; justify-content: space-between; align-items: center;
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--border-dark);
}
body.light-mode .navbar { background-color: rgba(255, 255, 255, 0.8); border-color: var(--border-light); }
.navbar.scrolled { box-shadow: var(--box-shadow); }
.nav-brand {
    font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700;
    color: var(--primary-color); text-decoration: none;
}
.nav-menu { list-style: none; display: flex; align-items: center; gap: 5px; }
.nav-menu li { position: relative; }
.nav-menu a {
    font-family: var(--font-heading); color: inherit; text-decoration: none;
    padding: 10px 15px; display: block; font-weight: 500;
    transition: color var(--transition-speed) ease;
    border-radius: 8px;
}
.nav-menu a:hover { color: var(--primary-color); background-color: rgba(255,255,255,0.05); }
body.light-mode .nav-menu a:hover { background-color: rgba(0,0,0,0.05); }
.dropdown-menu {
    list-style: none; position: absolute; top: 110%; left: 0;
    background-color: var(--card-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--border-radius);
    padding: 10px; min-width: 220px;
    opacity: 0; visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-speed) ease;
    box-shadow: var(--box-shadow);
}
body.light-mode .dropdown-menu { background-color: var(--card-light); border-color: var(--border-light); }
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { padding: 8px 12px; font-size: 0.95rem; white-space: nowrap; }

/* Tombol Aksi & Hamburger */
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-action-btn {
    background: none; border: none; cursor: pointer;
    color: inherit; padding: 10px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-speed) ease;
}
.nav-action-btn:hover { color: var(--primary-color); background-color: rgba(255,255,255,0.05); }
body.light-mode .nav-action-btn:hover { background-color: rgba(0,0,0,0.05); }
.nav-action-btn svg { width: 22px; height: 22px; }
.mobile-menu-btn { display: none; /* Sembunyi di desktop */ }

/* Panel Navigasi Mobile */
.mobile-nav {
    display: none; /* Sembunyi total di desktop */
}

/* 4. SISA GAYA (TIDAK BERUBAH)
/* ========================================== */
.hero { text-align: center; padding: 80px 20px; margin: 40px 0; border: 1px solid var(--border-dark); border-radius: var(--border-radius); }
body.light-mode .hero { border-color: var(--border-light); }
.hero h1 { font-family: var(--font-heading); font-size: 3rem; color: var(--primary-color); margin-bottom: 15px; }
.hero p { font-size: 1.2rem; max-width: 600px; margin: 0 auto; color: var(--text-secondary-dark); }
body.light-mode .hero p { color: var(--text-secondary-light); }
.search-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(22, 25, 37, 0.9); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); z-index: 2000; display: none; align-items: flex-start; justify-content: center; padding-top: 15vh; }
.search-overlay.active { display: flex; }
.search-modal { width: 100%; max-width: 600px; position: relative; }
.search-input { width: 100%; background-color: transparent; border: none; border-bottom: 2px solid var(--border-dark); color: var(--text-dark); font-family: var(--font-heading); font-size: 2rem; padding: 15px 0; outline: none; }
body.light-mode .search-input { color: var(--text-light); border-bottom-color: var(--border-light); }
.search-close-btn { position: fixed; top: 30px; right: 30px; background: none; border: none; color: var(--text-secondary-dark); cursor: pointer; font-size: 2rem; }
#search-results { margin-top: 20px; max-height: 50vh; overflow-y: auto; }
.search-result-item { display: block; text-decoration: none; padding: 15px; border-radius: var(--border-radius); margin-bottom: 10px; background-color: var(--card-dark); border: 1px solid var(--border-dark); transition: all var(--transition-speed) ease; }
.search-result-item:hover { transform: translateX(5px); border-color: var(--primary-color); }
body.light-mode .search-result-item { background-color: var(--card-light); border-color: var(--border-light); }
.search-result-item h3 { font-family: var(--font-heading); color: var(--primary-color); margin-bottom: 5px; }
.search-result-item p { font-family: var(--font-body); font-size: 0.9rem; color: var(--text-secondary-dark); }
body.light-mode .search-result-item p { color: var(--text-secondary-light); }
.main-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; }
.post { background-color: var(--card-dark); border-radius: var(--border-radius); padding: 30px; margin-bottom: 30px; transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease, background-color var(--transition-speed) ease; border: 1px solid var(--border-dark); }
.post:hover { transform: translateY(-5px); }
body.light-mode .post { background-color: var(--card-light); border-color: var(--border-light); box-shadow: var(--box-shadow); }
body.light-mode .post:hover { box-shadow: var(--box-shadow-hover); }
.post-title { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 600; margin-bottom: 10px; line-height: 1.4; letter-spacing: -0.5px; }
.post-title a { text-decoration: none; color: inherit; transition: color var(--transition-speed) ease; }
.post-title a:hover { color: var(--primary-color); }
.post-meta { font-family: var(--font-heading); font-size: 0.9rem; color: var(--text-secondary-dark); margin-bottom: 20px; display: block; }
body.light-mode .post-meta { color: var(--text-secondary-light); }
.post-excerpt { margin-bottom: 1.2em; font-size: 1.05rem; }
.post-tags { margin-top: 20px; }
.tag { display: inline-block; background-color: var(--border-dark); color: var(--text-secondary-dark); padding: 5px 12px; border-radius: 50px; font-family: var(--font-code); font-size: 0.85rem; margin-right: 10px; text-decoration: none; transition: all var(--transition-speed) ease; }
.tag:hover { background-color: var(--primary-color); color: white; }
body.light-mode .tag { background-color: var(--border-light); color: var(--text-secondary-light); }
.article-header { text-align: center; margin-bottom: 40px; }
.article-header .post-title { font-size: 2.8rem; }
.post-content p, .post-content ul, .post-content ol { font-size: 1.1rem; margin-bottom: 1.5em; }
.post-content h3 { font-family: var(--font-heading); font-size: 1.6rem; margin-top: 2em; margin-bottom: 1em; border-bottom: 3px solid var(--border-dark); padding-bottom: 0.4em; color: var(--primary-color); }
body.light-mode .post-content h3 { border-bottom-color: var(--border-light); }
.post-content a { color: var(--primary-color); text-decoration: none; font-weight: bold; }
.post-content a:hover { text-decoration: underline; }
.post-content ul, .post-content ol { padding-left: 25px; }
.code-block-wrapper { margin: 2em 0; border: 1px solid var(--border-dark); border-radius: var(--border-radius); overflow: hidden; }
body.light-mode .code-block-wrapper { border-color: var(--border-light); }
.code-header { display: flex; justify-content: space-between; align-items: center; background-color: #282c34; padding: 10px 15px; font-family: var(--font-code); font-size: 0.9rem; color: var(--text-secondary-dark); }
.copy-btn { background-color: var(--border-dark); color: var(--text-secondary-dark); border: 1px solid var(--border-dark); padding: 5px 10px; border-radius: 6px; cursor: pointer; font-family: var(--font-code); transition: all var(--transition-speed) ease; }
.copy-btn:hover { background-color: var(--primary-color); color: white; }
.post-content pre { margin: 0; border: none; }
.post-content pre code.language-bash { font-size: 1rem; }
.sidebar .widget { background-color: var(--card-dark); padding: 25px; border-radius: var(--border-radius); margin-bottom: 30px; border: 1px solid var(--border-dark); }
body.light-mode .sidebar .widget { background-color: var(--card-light); border-color: var(--border-light); }
.widget-title { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 600; margin-bottom: 15px; border-bottom: 2px solid var(--border-dark); padding-bottom: 10px; }
body.light-mode .widget-title { border-bottom-color: var(--border-light); }
.widget p, .widget ul { font-size: 0.95rem; color: var(--text-secondary-dark); }
body.light-mode .widget p, body.light-mode .widget ul { color: var(--text-secondary-light); }
.widget ul { list-style: none; }
.widget ul li { margin-bottom: 10px; }
.widget ul a { text-decoration: none; color: inherit; transition: color var(--transition-speed) ease; }
.widget ul a:hover { color: var(--primary-color); }
.back-to-home { display: inline-block; margin-top: 40px; font-weight: 600; font-family: var(--font-heading); color: var(--primary-color); text-decoration: none; }
.back-to-home:hover { text-decoration: underline; }
.site-footer { text-align: center; margin-top: 40px; padding: 30px; border-top: 1px solid var(--border-dark); color: var(--text-secondary-dark); font-family: var(--font-heading); }
body.light-mode .site-footer { border-top-color: var(--border-light); color: var(--text-secondary-light); }
.social-links a { color: inherit; text-decoration: none; margin: 0 10px; font-size: 1.5rem; transition: color var(--transition-speed) ease; }
.social-links a:hover { color: var(--primary-color); }

/* 9. RESPONSIVE DESIGN (PERUBAHAN UTAMA DI SINI)
/* ========================================== */
@media (max-width: 992px) {
    .main-layout { grid-template-columns: 1fr; }
    
    /* Sembunyikan menu desktop & tampilkan tombol hamburger */
    .nav-menu { display: none; }
    .mobile-menu-btn {
        display: block; /* Tampilkan di mobile */
        font-size: 1.8rem;
    }

    /* Gaya untuk panel navigasi mobile yang muncul */
    .mobile-nav {
        display: none; /* Awalnya sembunyi */
        background-color: var(--card-dark);
        border: 1px solid var(--border-dark);
        border-radius: var(--border-radius);
        margin-top: 15px;
        padding: 10px;
        animation: fadeIn 0.3s ease-in-out;
    }
    body.light-mode .mobile-nav {
        background-color: var(--card-light);
        border-color: var(--border-light);
    }
    .mobile-nav.active {
        display: block; /* Tampilkan saat aktif */
    }
    .mobile-nav-menu {
        list-style: none;
        display: flex;
        flex-direction: column;
    }
    .mobile-nav-menu a {
        display: block;
        padding: 12px 15px;
        text-decoration: none;
        color: inherit;
        font-family: var(--font-heading);
        border-radius: 8px;
    }
    .mobile-nav-menu a:hover {
        background-color: rgba(0, 170, 255, 0.1);
        color: var(--primary-color);
    }
    .mobile-dropdown-menu {
        list-style: none;
        padding-left: 20px;
    }
    .mobile-dropdown-menu a {
        font-size: 0.9rem;
        color: var(--text-secondary-dark);
    }
    body.light-mode .mobile-dropdown-menu a {
        color: var(--text-secondary-light);
    }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.2rem; }
    .post-title { font-size: 1.5rem; }
    .article-header .post-title { font-size: 2rem; }
    .container { width: 95%; }
}

.download-btn {
    display: inline-block;
    padding: 12px 25px;
    margin: 15px 0;
    background-color: var(--secondary-color);
    color: #161925;
    font-family: var(--font-heading);
    font-weight: 700;
    text-decoration: none;
    border-radius: 8px;
    text-align: center;
    transition: all var(--transition-speed) ease;
}
.download-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 255, 156, 0.2);
}