:root {
 /* TikTok Palette */
 --tik-pink: #FE2C55;
 --tik-blue: #25F4EE;
 --bg-dark: #121212;
 --card-dark: #1E1E1E;
 --text-light: #FFFFFF;
 --text-gray: #AAAAAA;
 --border-dark: #333333;

 /* Grid Background Pattern */
 --grid-bg: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
 linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
}

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

body {
 font-family: 'Inter', sans-serif;
 background-color: var(--bg-dark);
 background-image: var(--grid-bg);
 background-size: 50px 50px;
 color: var(--text-light);
 display: flex;
 justify-content: center;
 min-height: 100vh;
 padding: 20px 15px;
}

.container {
 width: 100%;
 max-width: 400px;
 display: flex;
 flex-direction: column;
 gap: 2rem;
}

/* === Main Card === */
.card {
 background: var(--card-dark);
 padding: 2rem;
 border-radius: 24px;
 box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
 text-align: center;
}

.logo-container {
 margin-bottom: 1rem;
 color: var(--tik-pink);
}

.tiktok-logo {
 width: 60px;
 height: auto;
}

.title {
 font-size: 1.8rem;
 font-weight: 700;
 margin-bottom: 0.5rem;
}

.highlight {
 color: var(--tik-pink);
}

.subtitle {
 color: var(--text-gray);
 font-size: 0.9rem;
 margin-bottom: 2rem;
}

/* === Form Elements === */
.input-group {
 position: relative;
 margin-bottom: 1rem;
}

.input-icon {
 position: absolute;
 left: 16px;
 top: 50%;
 transform: translateY(-50%);
 color: var(--text-gray);
 font-size: 1.1rem;
}

input[type="url"] {
 width: 100%;
 padding: 16px 16px 16px 48px; /* Padding kiri untuk ikon */
 border: 1px solid var(--border-dark);
 border-radius: 12px;
 font-size: 1rem;
 background: #2A2A2A;
 color: var(--text-light);
 outline: none;
 transition: border-color 0.3s;
}

input[type="url"]::placeholder {
 color: #666;
}

input[type="url"]:focus {
 border-color: var(--tik-pink);
}

button {
 width: 100%;
 padding: 16px;
 background-color: var(--tik-pink);
 color: #fff;
 border: none;
 border-radius: 30px; /* Rounded penuh seperti contoh */
 font-size: 1.1rem;
 font-weight: 700;
 cursor: pointer;
 display: flex;
 justify-content: center;
 align-items: center;
 gap: 10px;
 box-shadow: 0 4px 15px rgba(254, 44, 85, 0.3);
 transition: transform 0.2s;
}

button:hover {
 transform: translateY(-2px);
}

button:active {
 transform: translateY(0);
}

/* === Features Grid === */
.features-grid {
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 gap: 1rem;
 text-align: center;
}

.feature-item span {
 display: block;
 font-size: 0.7rem;
 font-weight: 700;
 margin-top: 0.5rem;
 color: var(--text-gray);
 letter-spacing: 0.5px;
}

.icon-circle {
 width: 50px;
 height: 50px;
 background-color: rgba(254, 44, 85, 0.1);
 border-radius: 50%;
 display: flex;
 justify-content: center;
 align-items: center;
 margin: 0 auto;
 color: var(--tik-pink);
 font-size: 1.2rem;
 border: 2px solid transparent;
}

/* === How To Card === */
.how-to-card {
 text-align: left;
 padding: 1.5rem 2rem;
}

.how-to-title {
 font-size: 1.2rem;
 margin-bottom: 1.5rem;
 display: flex;
 align-items: center;
 gap: 10px;
}

.steps-list {
 display: flex;
 flex-direction: column;
 gap: 1.2rem;
}

.step-item {
 display: flex;
 align-items: center;
 gap: 15px;
}

.step-number {
 width: 30px;
 height: 30px;
 background-color: var(--tik-pink);
 color: white;
 border-radius: 50%;
 display: flex;
 justify-content: center;
 align-items: center;
 font-weight: 700;
 font-size: 0.9rem;
 flex-shrink: 0;
}

.step-item p {
 font-size: 0.95rem;
 color: var(--text-light);
}

/* === Footer === */
footer {
 text-align: center;
 color: #444;
 font-weight: 700;
 font-size: 0.9rem;
 letter-spacing: 1px;
 margin-top: auto;
 padding-bottom: 1rem;
}

/* === Result Area & Loader (Tidak Berubah) === */
.result {
 margin-top: 1.5rem;
 padding: 1rem;
 background-color: #2A2A2A;
 border-radius: 8px;
 border: 1px solid var(--border-dark);
 text-align: left;
}

.result h3 { color: var(--text-gray); font-size: 0.9rem; margin-bottom: 0.5rem; }

.hidden { display: none; }

pre {
 white-space: pre-wrap;
 word-wrap: break-word;
 font-size: 0.85rem;
 color: var(--text-light);
 font-family: monospace;
}

.loader {
 display: none;
 width: 20px;
 height: 20px;
 border: 3px solid rgba(255,255,255,0.3);
 border-top-color: #fff;
 border-radius: 50%;
 animation: rotation 1s linear infinite;
}

@keyframes rotation {
 0% { transform: rotate(0deg); }
 100% { transform: rotate(360deg); }
}