/* styles.css */
/* Tema warna organik dengan elemen modern: badge, stat card, feature card, gradient blob */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
    --bg-utama: #EDE6D8;
    --aksen-utama: #8B5E3C;
    --aksen-sekunder: #5C3D2E;
    --teks-utama: #2E2A25;
    --sukses: #5F7F45;
    --kartu: #FFFFFF;
    --border: #CFC2AE;
    --shadow: rgba(92, 61, 46, 0.12);
    --navbar-bg: #8B5E3C;
    --navbar-teks: #FFFFFF;
    --blob-1: rgba(139, 94, 60, 0.10);
    --blob-2: rgba(95, 127, 69, 0.10);
    --badge-bg: rgba(139, 94, 60, 0.07);
    --tinggi-bg: rgba(95, 127, 69, 0.14);
    --sedang-bg: rgba(139, 94, 60, 0.14);
    --rendah-bg: rgba(161, 61, 61, 0.12);
    --rendah-teks: #a13d3d;
}

[data-theme="dark"] {
    --bg-utama: #1C1917;
    --aksen-utama: #B8845C;
    --aksen-sekunder: #D2AC88;
    --teks-utama: #E5DDD0;
    --sukses: #7FA562;
    --kartu: #27221E;
    --border: #3A332C;
    --shadow: rgba(0, 0, 0, 0.35);
    --navbar-bg: #262019;
    --navbar-teks: #E5DDD0;
    --blob-1: rgba(184, 132, 92, 0.10);
    --blob-2: rgba(127, 165, 98, 0.08);
    --badge-bg: rgba(184, 132, 92, 0.10);
    --tinggi-bg: rgba(127, 165, 98, 0.14);
    --sedang-bg: rgba(184, 132, 92, 0.14);
    --rendah-bg: rgba(214, 110, 110, 0.14);
    --rendah-teks: #d67878;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-utama);
    color: var(--teks-utama);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--navbar-bg);
    padding: 16px 40px;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s ease;
}

.navbar .logo {
    color: var(--navbar-teks);
    font-weight: 700;
    font-size: 20px;
}

.navbar .navbar-kanan {
    display: flex;
    align-items: center;
    gap: 28px;
}

.navbar ul {
    list-style: none;
    display: flex;
    gap: 28px;
}

.navbar ul li a {
    color: var(--navbar-teks);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s ease;
    opacity: 0.85;
}

.navbar ul li a:hover,
.navbar ul li a.active {
    opacity: 1;
    border-bottom: 2px solid var(--navbar-teks);
}

.toggle-tema {
    background: transparent;
    border: 1.5px solid var(--navbar-teks);
    border-radius: 20px;
    width: 44px;
    height: 26px;
    cursor: pointer;
    position: relative;
    padding: 0;
    flex-shrink: 0;
}

.toggle-tema .knob {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--navbar-teks);
    transition: left 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-tema .knob svg {
    width: 12px;
    height: 12px;
    stroke: var(--navbar-bg);
}

[data-theme="dark"] .toggle-tema .knob {
    left: 20px;
}

/* container umum */
.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 60px 24px;
    animation: fadeIn 0.6s ease;
}

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

h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}

h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

p {
    font-size: 16px;
}

/* badge pill */
.badge-pill {
    display: inline-block;
    padding: 6px 18px;
    border: 1px solid var(--aksen-utama);
    background-color: var(--badge-bg);
    border-radius: 999px;
    color: var(--aksen-utama);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-head {
    text-align: center;
    margin-bottom: 40px;
}

.section-head .subjudul {
    color: var(--aksen-sekunder);
    max-width: 560px;
    margin: 0 auto;
}

/* tombol */
.btn {
    display: inline-block;
    background-color: var(--aksen-utama);
    color: var(--kartu);
    border: none;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.15s ease;
}

.btn:hover {
    background-color: var(--aksen-sekunder);
    transform: translateY(-1px);
}

/* hero dengan gradient blob */
.hero {
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 60px 20px 50px;
    border-radius: 20px;
}



.hero > * {
    position: relative;
    z-index: 1;
}

.hero p.subjudul {
    max-width: 600px;
    margin: 0 auto 28px;
    color: var(--aksen-sekunder);
}

/* stat grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    margin: 32px 0;
}

.stat-card {
    background-color: var(--kartu);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px 16px;
    text-align: center;
    box-shadow: 0 2px 8px var(--shadow);
}

.stat-card .angka {
    font-size: 30px;
    font-weight: 700;
    color: var(--aksen-utama);
}

.stat-card .label {
    font-size: 13px;
    color: var(--aksen-sekunder);
    margin-top: 4px;
}

/* feature grid dengan ikon */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 32px;
}

.feature-card {
    background-color: var(--kartu);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px 24px;
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px var(--shadow);
}

.icon-box {
    width: 46px;
    height: 46px;
    background-color: var(--aksen-utama);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.icon-box svg {
    width: 24px;
    height: 24px;
    stroke: var(--kartu);
}

.feature-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--teks-utama);
    opacity: 0.85;
}
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
}

.blob-1 {
    width: 160px;
    height: 160px;
    background-color: var(--blob-1);
    top: -40px;
    left: -30px;
}

.blob-2 {
    width: 140px;
    height: 140px;
    background-color: var(--blob-2);
    bottom: -30px;
    right: -20px;
}
/* galeri */
.galeri {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.galeri-item {
    background-color: var(--kartu);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.galeri-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px var(--shadow);
}

.galeri-item img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 10px;
}

.galeri-item span {
    font-size: 14px;
    font-weight: 500;
    text-transform: capitalize;
}

.penutup {
    position: relative;
    overflow: hidden;
    text-align: center;
    margin-top: 60px;
    padding: 44px;
    background-color: var(--kartu);
    border-radius: 16px;
    box-shadow: 0 2px 8px var(--shadow);
}

/* halaman klasifikasi */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: 12px;
    background-color: var(--kartu);
    padding: 50px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.upload-area.drag-over {
    border-color: var(--aksen-utama);
    background-color: var(--bg-utama);
}

.upload-area svg {
    width: 44px;
    height: 44px;
    stroke: var(--aksen-utama);
    margin-bottom: 12px;
}

.upload-area p {
    color: var(--aksen-sekunder);
}

#preview-container {
    text-align: center;
    margin-top: 24px;
    display: none;
}

#preview-container img {
    max-width: 240px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 12px var(--shadow);
}

.pesan-validasi {
    color: var(--rendah-teks);
    text-align: center;
    margin-top: 12px;
    font-size: 14px;
    display: none;
}

.aksi-analisis {
    text-align: center;
    margin-top: 24px;
}

.status-loading {
    display: none;
    text-align: center;
    margin-top: 20px;
    color: var(--aksen-sekunder);
}

.progress-track {
    width: 100%;
    max-width: 300px;
    height: 6px;
    background-color: var(--border);
    border-radius: 4px;
    margin: 12px auto 0;
    overflow: hidden;
}

.progress-track .progress-bar-loading {
    width: 40%;
    height: 100%;
    background-color: var(--aksen-utama);
    animation: loadingSlide 1.2s infinite ease-in-out;
}

@keyframes loadingSlide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

/* kartu hasil - layout dua kolom */
.hasil-card {
    display: none;
    background-color: var(--kartu);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    margin-top: 30px;
    box-shadow: 0 8px 24px var(--shadow);
    animation: fadeIn 0.5s ease;
}

.hasil-eyebrow {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--aksen-sekunder);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.hasil-flex {
    display: flex;
    gap: 28px;
    align-items: flex-start;
}

.hasil-gambar {
    flex: 0 0 160px;
}

.hasil-gambar img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.hasil-detail {
    flex: 1;
    min-width: 0;
}

.hasil-label {
    font-size: 28px;
    font-weight: 700;
    color: var(--sukses);
    text-transform: capitalize;
    margin-bottom: 8px;
}

.badge-status {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}

.badge-tinggi { background-color: var(--tinggi-bg); color: var(--sukses); }
.badge-sedang { background-color: var(--sedang-bg); color: var(--aksen-utama); }
.badge-rendah { background-color: var(--rendah-bg); color: var(--rendah-teks); }

.hasil-confidence-text {
    font-size: 14px;
    color: var(--teks-utama);
    margin-bottom: 8px;
}

.confidence-bar-track {
    width: 100%;
    height: 12px;
    background-color: var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 22px;
}

.confidence-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--sukses), var(--aksen-utama));
    border-radius: 8px;
    transition: width 0.8s ease;
}

.opsi-lain {
    text-align: left;
    background-color: var(--bg-utama);
    border-radius: 10px;
    padding: 16px 18px;
}

.opsi-lain h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--aksen-sekunder);
}

.opsi-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    text-transform: capitalize;
}

.opsi-item:last-child {
    border-bottom: none;
}

.link-penjelasan {
    display: inline-block;
    margin-top: 20px;
    color: var(--aksen-utama);
    font-size: 14px;
}

/* tentang dataset */
.dua-kolom {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.info-card {
    background-color: var(--kartu);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 2px 8px var(--shadow);
}

.info-card h3 {
    font-size: 16px;
    margin-bottom: 12px;
}

.info-card ul {
    padding-left: 20px;
    font-size: 14px;
}

.info-card ul li {
    margin-bottom: 6px;
}

.info-card p {
    font-size: 14px;
}

.keterbatasan {
    background-color: var(--kartu);
    border-left: 4px solid var(--aksen-utama);
    padding: 20px 24px;
    border-radius: 8px;
    margin-top: 30px;
    box-shadow: 0 2px 8px var(--shadow);
}

/* cara penggunaan */
.langkah-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.langkah-card {
    background-color: var(--kartu);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px 20px;
    box-shadow: 0 2px 8px var(--shadow);
}

.langkah-nomor {
    width: 34px;
    height: 34px;
    border: 1.5px solid var(--aksen-utama);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--aksen-utama);
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 14px;
}

.langkah-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.langkah-card p {
    font-size: 14px;
    opacity: 0.85;
}

.tips-box {
    background-color: var(--kartu);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px;
    margin-top: 40px;
    box-shadow: 0 2px 8px var(--shadow);
}

.tips-box h3 {
    font-size: 17px;
    margin-bottom: 16px;
}

.tips-box .tips-kolom {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.istilah-item {
    background-color: var(--bg-utama);
    border-radius: 10px;
    padding: 16px 18px;
}

.istilah-item strong {
    color: var(--aksen-sekunder);
    font-size: 14px;
}

.istilah-item p {
    font-size: 13px;
    margin-top: 4px;
}

/* responsive */
@media (max-width: 640px) {
    .navbar {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }
    .navbar ul {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }
    h1 {
        font-size: 26px;
    }
    .container {
        padding: 40px 16px;
    }
    .hasil-flex {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .hasil-gambar {
        flex: none;
        width: 160px;
    }
}