:root {
    --bg-color: #0d1117;
    --card-bg: rgba(22, 27, 34, 0.8);
    --primary: #00f0ff;
    --secondary: #7000ff;
    --text-main: #c9d1d9;
    --text-glow: 0 0 8px rgba(0, 240, 255, 0.6);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Rajdhani', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    background-image: radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.05) 0%, transparent 20%),
                      radial-gradient(circle at 90% 80%, rgba(112, 0, 255, 0.05) 0%, transparent 20%);
    min-height: 100vh;
}

h1, h2, h3 { font-family: 'Orbitron', sans-serif; color: #fff; margin-bottom: 15px; }

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(13, 17, 23, 0.9);
    border-bottom: 1px solid var(--primary);
    box-shadow: 0 0 15px rgba(0,240,255,0.2);
}

.logo { font-family: 'Orbitron'; font-size: 1.5rem; font-weight: bold; color: var(--primary); text-shadow: var(--text-glow); }
.logo span { color: var(--secondary); }

.nav-links button {
    background: transparent; border: none; color: #fff; cursor: pointer; margin-left: 20px; font-family: 'Rajdhani'; font-size: 1.1rem;
}
.nav-links button:hover { color: var(--primary); text-shadow: var(--text-glow); }

.container { max-width: 1000px; margin: 40px auto; padding: 0 20px; }

.page { display: none; animation: fadeIn 0.5s ease-in-out; }
.page.active { display: block; }

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

.card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 10px;
    padding: 30px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

input[type="text"], input[type="password"], textarea {
    width: 100%; padding: 12px; margin: 10px 0; border-radius: 5px;
    background: rgba(255,255,255,0.05); border: 1px solid var(--primary);
    color: #fff; font-family: 'Rajdhani'; font-size: 1.1rem;
}
input:focus { outline: none; box-shadow: 0 0 10px rgba(0,240,255,0.5); }

.password-container { display: flex; align-items: center; position: relative; }
.btn-toggle-pass {
    position: absolute; right: 10px; background: none; border: none; color: var(--primary); cursor: pointer;
}

button {
    padding: 10px 20px; border-radius: 5px; border: none; font-family: 'Orbitron'; cursor: pointer; transition: 0.3s;
}
.btn-primary { background: var(--primary); color: #000; font-weight: bold; }
.btn-primary:hover { box-shadow: 0 0 15px var(--primary); }
.btn-secondary { background: transparent; border: 1px solid var(--primary); color: var(--primary); }
.btn-secondary:hover { background: rgba(0, 240, 255, 0.1); }
.btn-danger { background: #ff003c; color: white; }

.mt-2 { margin-top: 20px; }
.text-center { text-align: center; }

/* Progress Bar */
.progress-bar { width: 100%; height: 8px; background: #333; border-radius: 4px; margin-bottom: 20px; }
.progress { height: 100%; background: var(--primary); border-radius: 4px; box-shadow: 0 0 10px var(--primary); transition: width 0.4s ease; }

/* Drag Drop */
.drag-drop-area { display: flex; gap: 20px; margin: 20px 0; }
.options, .drop-zones { flex: 1; display: flex; flex-direction: column; gap: 10px; }
.draggable { background: rgba(112,0,255,0.2); padding: 10px; border: 1px solid var(--secondary); cursor: grab; border-radius: 4px;}
.zone { background: rgba(255,255,255,0.05); border: 1px dashed var(--primary); padding: 20px; text-align: center; border-radius: 4px; min-height: 60px;}

/* Tabel Guru */
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { border: 1px solid rgba(0,240,255,0.2); padding: 10px; text-align: left; }
th { background: rgba(0,240,255,0.1); color: var(--primary); }