:root {
  /* Color Palette - Professional Blue/Slate Theme */
  --bg-app: #f1f5f9;
  --bg-sidebar: #ffffff;
  --bg-card: #f8fafc;
  --border-color: #cbd5e1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --primary: #2563eb; /* Royal Blue */
  --primary-hover: #1d4ed8;
  --accent-red: #dc2626;

  /* Spacing & Layout */
  --sidebar-width: 360px;
  --radius-sm: 6px;
  --font-sans: "Inter", sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  height: 100vh;
  overflow: hidden; /* Prevent full page scroll */
}

.app-container {
  display: flex;
  height: 100%;
}

/* --- SIDEBAR --- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 1rem;
  flex-shrink: 0;
}

.header {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge {
  background: var(--primary);
  color: white;
  font-size: 0.6rem;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}

.subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* --- BENTO GRID SYSTEM --- */
.bento-grid {
  display: grid;
  grid-template-columns: 1fr 1fr; /* 2 Column Grid */
  gap: 10px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.full-width {
  grid-column: span 2;
}

.section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* --- CONTROLS --- */
.input-select {
  width: 100%;
  padding: 6px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.85rem;
  background: white;
  font-family: var(--font-sans);
}

/* File Upload */
.file-upload-wrapper {
  position: relative;
  overflow: hidden;
  display: inline-block;
  width: 100%;
}

.file-upload-wrapper input[type="file"] {
  font-size: 100px;
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-btn-content {
  background: white;
  border: 1px dashed var(--primary);
  color: var(--primary);
  padding: 10px;
  text-align: center;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}

.file-upload-wrapper:hover .upload-btn-content {
  background: #eff6ff;
}

/* Color Picker */
.color-picker-grid {
  display: flex;
  gap: 8px;
  align-items: center;
}

.color-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.1s;
}

.color-btn.active {
  border-color: var(--text-main);
  transform: scale(1.1);
}

input[type="color"] {
  width: 26px;
  height: 26px;
  border: none;
  background: none;
  cursor: pointer;
}

/* Clothing Grid */
.clothing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.clothing-btn {
  background: white;
  border: 1px solid var(--border-color);
  padding: 6px;
  font-size: 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  text-align: center;
}

.clothing-btn:hover {
  border-color: var(--primary);
}

.clothing-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.note {
  font-size: 0.65rem;
  color: var(--text-muted);
  line-height: 1.2;
}

/* Buttons */
.btn-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.btn {
  padding: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  border: none;
  transition: 0.2s;
}

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

.btn-secondary {
  background: var(--text-main);
  color: white;
}
.btn-secondary:hover {
  background: #334155;
}

.btn-outline {
  grid-column: span 2;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
}
.btn-outline:hover {
  background: #e2e8f0;
}

/* --- MAIN PREVIEW --- */
.preview-area {
  flex: 1;
  background: #e2e8f0;
  /* Dotted background pattern */
  background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
  background-size: 20px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

/* Pastikan Canvas responsif mengikuti lebar area kanan */
canvas {
  max-width: 100%; /* Jangan lebih lebar dari area preview */
  max-height: 85vh; /* Batasi tinggi agar tidak perlu scroll panjang */
  object-fit: contain; /* Jaga rasio aspek */
  display: block;
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1); /* Bayangan agar pop-up */
}

.preview-header {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.canvas-wrapper {
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1),
    0 8px 10px -6px rgb(0 0 0 / 0.1);
  border: 8px solid white;
  background: white; /* Fallback */
  max-width: 100%;
  max-height: 80%;
  display: flex;
}

canvas {
  max-width: 100%;
  max-height: 70vh;
  display: block;
}

.instructions {
  position: absolute;
  bottom: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.8);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}

/* --- KONTROL POSISI BARU --- */
.header-row {
  margin-bottom: 5px;
}

.btn-xs {
  padding: 2px 6px;
  font-size: 0.65rem;
  background: #e2e8f0;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  cursor: pointer;
}
.btn-xs:hover {
  background: #cbd5e1;
}

.input-range {
  width: 100%; /* Slider mengambil lebar penuh sidebar */
  cursor: pointer;
  accent-color: var(--primary);
  height: 6px; /* Sedikit lebih tebal agar mudah disentuh */
}

.range-wrapper {
  display: flex;
  flex-direction: column; /* PENTING: Susun vertikal (Label di atas Slider) */
  gap: 8px; /* Jarak antara label dan slider */
  width: 100%;
  margin-bottom: 15px; /* Jarak antar grup slider */
}

.range-wrapper span {
  font-size: 0.75rem;
  font-weight: 600; /* Tebalkan sedikit labelnya */
  color: var(--text-muted);
  width: 100%; /* Lebar penuh */
}

/* Ubah kursor saat mouse di atas canvas */
#photoCanvas {
  cursor: grab; /* Gambar tangan terbuka */
  touch-action: none; /* Mencegah scroll layar saat geser foto di HP */
}

#photoCanvas:active {
  cursor: grabbing; /* Gambar tangan menggenggam saat diklik */
}

/* --- FIX GRID TOMBOL & KOLOM --- */

/* Grid Pakaian & Tombol Download: Paksa 2 Kolom Rata */
.clothing-grid,
.btn-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 2 Kolom dengan lebar setara */
  gap: 8px; /* Jarak yang rapi */
}

/* Tombol di dalam grid */
.clothing-btn,
.btn {
  width: 100%; /* Penuhi ruang kolom */
  white-space: nowrap; /* Cegah teks turun baris */
  overflow: hidden; /* Jaga-jaga jika teks kepanjangan */
  text-overflow: ellipsis;
  padding: 10px 4px; /* Padding atas-bawah cukup, kiri-kanan kecil saja */
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Color Picker: Pastikan wrap jika layar menyempit */
.color-picker-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap; /* Tombol warna akan turun baris jika tidak muat */
}

/* --- MOBILE RESPONSIVE (Max-Width 768px) --- */
@media (max-width: 768px) {
  body {
    height: auto !important; /* Biarkan tinggi mengikuti konten */
    overflow: auto !important; /* Izinkan scroll browser normal */
    overflow-x: hidden; /* Cegah geser samping */
  }
  /* 1. Ubah Layout Container menjadi Kolom */
  .app-container {
    flex-direction: column;
    height: auto !important;
    overflow: visible !important;
    display: flex;
  }

  /* 2. Atur Ulang Preview Area (Posisi di Atas) */
  .preview-area {
    order: 1;
    width: 100%;
    height: auto; /* Biarkan tinggi menyesuaikan */
    min-height: 40vh;
    padding: 1rem;
    flex: none;
  }

  .sidebar {
    order: 2;
    width: 100%;
    height: auto !important;
    overflow: visible !important;
    border-right: none;
    border-top: 1px solid var(--border-color);

    /* PENTING: Tambah jarak bawah agar tombol download tidak ketutup menu HP */
    padding-bottom: 100px;
  }

  /* Penyesuaian Canvas agar tidak terlalu besar di HP */
  canvas {
    max-height: 40vh; /* Maksimal 40% tinggi layar */
    width: auto;
    max-width: 100%;
  }

  .preview-header {
    top: 0.5rem;
    left: 1rem;
    right: 1rem;
    font-size: 0.7rem;
  }

  .instructions {
    display: none; /* Sembunyikan tips di HP untuk menghemat ruang */
  }

  /* 3. Atur Ulang Sidebar (Posisi di Bawah) */
  .sidebar {
    order: 2; /* Urutan kedua (di bawah) */
    width: 100%; /* Lebar penuh */
    flex: 1; /* Ambil sisa ruang (55%) */
    border-right: none; /* Hapus garis samping */
    border-top: 1px solid var(--border-color); /* Tambah garis atas */
    padding: 1rem;

    /* Pastikan area ini bisa discroll */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* Smooth scroll di iOS */
  }

  /* Penyesuaian Header Sidebar */
  .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
  }

  .subtitle {
    margin-top: 0;
  }

  /* Penyesuaian Grid Kartu di HP */
  .bento-grid {
    gap: 8px; /* Jarak antar kartu lebih rapat */
  }

  .card {
    padding: 0.5rem; /* Padding kartu lebih kecil */
  }

  /* Tombol agar lebih mudah disentuh jari */
  .btn,
  .clothing-btn,
  .input-select {
    min-height: 44px; /* Standar ukuran sentuh mobile */
    font-size: 0.9rem;
  }

  /* Input file agar lebih rapi */
  .upload-btn-content {
    padding: 15px;
  }
}