/* Variabel CSS untuk tema */
:root {
    --primary: #ff6b6b;
    --secondary: #4ecdc4;
    --accent: #ffe66d;
    --dark: #2d3047;
    --light: #f7fff7;
    --border-width: 4px;
    --shadow: 8px 8px 0px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
    
    /* Tema terang (default) */
    --bg-color: #f7fff7;
    --text-color: #2d3047;
    --card-bg: #ffffff;
    --header-bg: #ffe66d;
    --footer-bg: #2d3047;
    --footer-text: #f7fff7;
    --border-color: #000000;
    --nav-bg: #4ecdc4;
    --input-bg: #ffffff;
}

/* Tema gelap */
[data-theme="dark"] {
    --bg-color: #1a1a2e;
    --text-color: #f7fff7;
    --card-bg: #16213e;
    --header-bg: #0f3460;
    --footer-bg: #0f3460;
    --footer-text: #f7fff7;
    --border-color: #4ecdc4;
    --nav-bg: #2d3047;
    --input-bg: #1e335a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 20px;
    line-height: 1.6;
    transition: var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    border: var(--border-width) solid var(--border-color);
    background-color: var(--nav-bg);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    transition: var(--transition);
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Tombol Musik */
.music-btn {
    padding: 8px 12px;
    border: var(--border-width) solid var(--border-color);
    background-color: var(--accent);
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition);
    border-radius: 4px;
}

.music-btn:hover {
    transform: translateY(-2px);
    box-shadow: 3px 3px 0px var(--border-color);
}

.music-btn.muted {
    background-color: var(--primary);
    color: white;
}

/* Toggle tema */
.theme-toggle {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.theme-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--dark);
    transition: .4s;
    border: var(--border-width) solid var(--border-color);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 2px;
    background-color: var(--accent);
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--light);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
    padding: 30px;
    border: var(--border-width) solid var(--border-color);
    background-color: var(--header-bg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

/* Tabs */
.tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    gap: 15px;
    flex-wrap: wrap;
}

.tab-button {
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    border: var(--border-width) solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-color);
    transition: var(--transition);
    box-shadow: 4px 4px 0px var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-button:hover {
    transform: translateY(-3px);
    box-shadow: 6px 6px 0px var(--border-color);
}

.tab-button.active {
    background-color: var(--primary);
    color: var(--light);
    box-shadow: 2px 2px 0px var(--border-color);
    transform: translateY(2px);
}

/* Konten Tab */
.tab-content {
    display: none;
    padding: 30px;
    border: var(--border-width) solid var(--border-color);
    background-color: var(--card-bg);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    min-height: 400px;
    transition: var(--transition);
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Form Analisis */
.analysis-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--primary);
}

.form-group select, 
.form-group input {
    width: 100%;
    padding: 12px;
    border: var(--border-width) solid var(--border-color);
    background-color: var(--input-bg);
    color: var(--text-color);
    font-weight: bold;
    transition: var(--transition);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 15px 0;
}

.checkbox-group input {
    width: auto;
}

.btn-analyze {
    grid-column: 1 / -1;
    padding: 15px;
    border: var(--border-width) solid var(--border-color);
    background-color: var(--secondary);
    color: var(--dark);
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
    margin-top: 15px;
    position: relative;
    overflow: hidden;
}

.btn-analyze:hover {
    transform: translateY(-3px);
    box-shadow: 4px 4px 0px var(--border-color);
}

.btn-analyze .loading {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--secondary);
    justify-content: center;
    align-items: center;
}

.btn-analyze.analyzing {
    background-color: var(--primary);
    color: white;
}

.btn-analyze.analyzing .loading {
    display: flex;
}

/* Fibonacci Direction */
.fib-direction {
    grid-column: 1 / -1;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin: 15px 0;
}

.direction-btn {
    flex: 1;
    min-width: 200px;
    padding: 15px;
    border: var(--border-width) solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.direction-btn.active {
    background-color: var(--secondary);
    color: var(--dark);
}

.direction-btn i {
    margin-right: 8px;
}

/* Fibonacci Settings */
.fib-settings {
    display: none;
    grid-column: 1 / -1;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin: 20px 0;
    padding: 20px;
    border: var(--border-width) solid var(--border-color);
    background-color: var(--bg-color);
}

.fib-level {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border: 2px solid var(--border-color);
    background-color: var(--card-bg);
}

.fib-level input {
    width: auto;
}

/* Hasil Analisis */
.analysis-result {
    display: none;
    border: var(--border-width) solid var(--border-color);
    padding: 20px;
    background-color: var(--card-bg);
    box-shadow: 4px 4px 0px var(--border-color);
    transition: var(--transition);
    margin-top: 30px;
}

.result-header {
    color: var(--primary);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.result-item {
    padding: 15px;
    border: 2px solid var(--border-color);
    background-color: var(--bg-color);
}

.result-item h4 {
    color: var(--secondary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Chart Animation */
.chart-animation {
    height: 200px;
    border: var(--border-width) solid var(--border-color);
    margin: 20px 0;
    position: relative;
    overflow: hidden;
    background-color: var(--card-bg);
}

.chart-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
    transform-origin: left center;
}

.chart-point {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--accent);
    border: 2px solid var(--border-color);
    transform: translate(-50%, -50%);
}

/* Iframe Container */
.iframe-container {
    border: var(--border-width) solid var(--border-color);
    margin: 20px 0;
    overflow: hidden;
    background-color: var(--card-bg);
    box-shadow: 4px 4px 0px var(--border-color);
}

.iframe-container iframe {
    width: 100%;
    height: 600px;
    border: none;
}

.iframe-header {
    padding: 15px 20px;
    background-color: var(--primary);
    color: white;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Card */
.card {
    border: var(--border-width) solid var(--border-color);
    padding: 20px;
    margin-bottom: 20px;
    background-color: var(--card-bg);
    box-shadow: 4px 4px 0px var(--border-color);
    transition: var(--transition);
}

.card h3 {
    margin-bottom: 10px;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Grid Berita */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.news-item {
    border: var(--border-width) solid var(--border-color);
    padding: 20px;
    background-color: var(--card-bg);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 6px 6px 0px var(--border-color);
}

.news-item h3 {
    margin-bottom: 10px;
    color: var(--secondary);
}

.news-item p {
    margin-bottom: 15px;
    font-size: 0.95rem;
    flex-grow: 1;
}

.date {
    font-size: 0.8rem;
    color: var(--text-color);
    opacity: 0.7;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    border: var(--border-width) solid var(--border-color);
    background-color: var(--footer-bg);
    color: var(--footer-text);
    margin-top: 30px;
    transition: var(--transition);
}

/* Responsivitas */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .tab-button {
        width: 100%;
        justify-content: center;
    }
    
    .analysis-form {
        grid-template-columns: 1fr;
    }
    
    .fib-direction {
        flex-direction: column;
    }
    
    .direction-btn {
        min-width: 100%;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    header {
        padding: 20px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .result-grid {
        grid-template-columns: 1fr;
    }
    
    .fib-settings {
        grid-template-columns: 1fr;
    }
    
    .iframe-container iframe {
        height: 400px;
    }
}

/* Animasi loading */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes drawChart {
    0% { transform: scaleX(0); }
    100% { transform: scaleX(1); }
}