:root {
    --primary-color: #007bff; --primary-hover: #0056b3; --secondary-color: #6c757d; --success-color: #28a745; --success-hover: #1e7e34; --danger-color: #dc3545; --warning-color: #ffc107; --light-color: #f8f9fa; --dark-color: #343a40; --background-color: #f4f7f6; --card-bg-color: #ffffff; --text-color: #495057; --border-color: #dee2e6; --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Poppins', sans-serif; background-color: var(--background-color); color: var(--text-color); line-height: 1.6; }
.container { max-width: 900px; margin: 2rem auto; padding: 2rem; }
.app-header { text-align: center; margin-bottom: 1.5rem; }
.app-header h1 { color: var(--dark-color); font-weight: 700; margin-bottom: 0.5rem; }
.app-header .subtitle { font-size: 1.1rem; color: var(--secondary-color); }
.tab-navigation { display: flex; gap: 0.5rem; border-bottom: 2px solid var(--border-color); margin-bottom: 1.5rem; }
.tab-link { display: inline-flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1.5rem; border: none; border-bottom: 3px solid transparent; background-color: transparent; cursor: pointer; font-size: 1.1rem; font-weight: 500; color: var(--secondary-color); transition: all 0.2s ease-in-out; }
.tab-link:hover { background-color: var(--light-color); color: var(--dark-color); }
.tab-link.active { color: var(--primary-color); border-bottom-color: var(--primary-color); }
.tab-link svg { stroke-width: 2.5px; }
.camera-container { margin-bottom: 1.5rem; }
.camera-card { position: relative; width: 100%; max-width: 800px; margin: 0 auto; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.1); background-color: #000; }
#video-feed { width: 100%; height: auto; display: block; }
.tab-content-wrapper { background-color: var(--card-bg-color); padding: 1.5rem; border-radius: 12px; box-shadow: var(--shadow); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.controls-wrapper { display: flex; flex-direction: column; gap: 1rem; }
.capture-button, .train-button { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.75rem 1.5rem; border: none; border-radius: 8px; color: #fff; font-size: 1rem; font-weight: 500; cursor: pointer; text-decoration: none; transition: background-color 0.2s; }
.capture-button { background-color: var(--primary-color); }
.capture-button:hover { background-color: var(--primary-hover); }
.capture-button:disabled { background-color: var(--secondary-color); cursor: not-allowed; }
.train-button-container { display: flex; justify-content: flex-end; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border-color); }
.train-button { background-color: var(--success-color); }
.train-button:hover { background-color: var(--success-hover); }
.user-selector { width: 100%; }
#user-dropdown { width: 100%; padding: 0.75rem; border: 1px solid var(--border-color); border-radius: 8px; font-size: 1rem; background-color: #fff; }
.gallery-area { margin-top: 1.5rem; }
.gallery-area h4 { text-align: center; margin-bottom: 1.5rem; color: var(--dark-color); font-weight: 600; }
.thumbnail-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 1rem; }
.thumbnail { width: 100%; height: auto; border-radius: 8px; border: 2px solid var(--border-color); object-fit: cover; aspect-ratio: 4 / 3; }
.info-text { text-align: center; padding: 1rem; color: var(--secondary-color); }
.identity-box { display: flex; align-items: center; gap: 1.5rem; margin-top: 1rem; padding: 1.25rem; background-color: var(--light-color); border: 1px solid var(--border-color); border-radius: 12px; transition: all 0.3s ease; opacity: 1; }
.identity-box.is-hidden { opacity: 0; transform: translateY(10px); pointer-events: none; display: none; }
.identity-avatar { flex-shrink: 0; width: 70px; height: 70px; border-radius: 50%; background-color: var(--primary-color); color: #fff; display: flex; align-items: center; justify-content: center; }
.identity-details h3 { margin: 0 0 0.25rem 0; font-size: 1.5rem; color: var(--dark-color); font-weight: 600; }
.identity-details p { margin: 0; color: var(--secondary-color); font-size: 1rem; }
.identity-status { margin-top: 0.5rem; display: flex; align-items: center; gap: 0.75rem; font-size: 0.95rem; color: var(--text-color); }
.identity-status .separator { color: var(--border-color); }
#overlay-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: none; }
.is-hidden { display: none !important; }
#toast { visibility: hidden; min-width: 250px; margin-left: -125px; background-color: var(--dark-color); color: #fff; text-align: center; border-radius: 8px; padding: 16px; position: fixed; z-index: 10000; left: 50%; bottom: 30px; font-size: 17px; opacity: 0; transition: all 0.3s; }
#toast.show { visibility: visible; opacity: 1; bottom: 50px; }
#toast.success { background-color: var(--success-color); }
#toast.error { background-color: var(--danger-color); }
.loading-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background-color: rgba(0, 0, 0, 0.75); z-index: 9999; display: flex; flex-direction: column; align-items: center; justify-content: center; color: white; font-size: 1.2rem; gap: 1.5rem; }
.loading-overlay p { max-width: 300px; text-align: center; }
.spinner { border: 8px solid #f3f3f3; border-top: 8px solid var(--primary-color); border-radius: 50%; width: 60px; height: 60px; animation: spin 1.5s linear infinite; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* Tambahkan di akhir file style.css */

/* Penataan untuk Kontrol Training */
.controls-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem; /* Beri sedikit jarak antar elemen kontrol */
}

/* Penataan untuk blok user selector */
.user-selector {
    display: flex;
    flex-direction: column;
    gap: 0.5rem; /* Jarak antara label dan input/select */
}
.user-selector label {
    font-weight: 500;
    color: var(--dark-color);
}

/* Penataan untuk input pencarian baru */
.search-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
}
.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

.sound-button {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 8px 12px;
    border: 1px solid #ccc;
    background-color: #f0f0f0;
    cursor: pointer;
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
}
.sound-button:hover {
    background-color: #e0e0e0;
}

/* Atur ulang label dropdown agar tidak terlalu menonjol setelah ada label search */
#user-dropdown + label, label[for="user-dropdown"] {
    margin-top: 0.5rem;
}