/* ===== ROOT DESIGN SYSTEM ===== */
:root {
  --bg: #09090e;
  --surface: #12101b;
  --surface-2: #1c182d;
  --glass: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --accent: #6366f1; /* Indigo */
  --accent-2: #ec4899; /* Pink */
  --danger: #ef4444;
  --success: #22c55e;
  --text: #e8eaf6;
  --text-muted: #7b7fa3;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0,0,0,0.5);
  --transition: 0.2s ease;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated background orbs */
.bg-orbs { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.orb {
  position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.15;
  animation: float 15s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: var(--accent); top: -150px; left: -100px; animation-delay: 0s; }
.orb-2 { width: 450px; height: 450px; background: var(--accent-2); bottom: -150px; right: -100px; animation-delay: -5s; }
.orb-3 { width: 300px; height: 300px; background: #6028ff; top: 40%; left: 40%; animation-delay: -10s; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -40px) scale(1.05); }
  66% { transform: translate(-30px, 30px) scale(0.95); }
}

/* ===== APP CONTAINER ===== */
.app-container {
  position: relative; z-index: 1;
  max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem 4rem;
}

/* ===== HEADER ===== */
.app-header {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-bottom: 2rem;
}
.header-logo { display: flex; align-items: center; gap: 1rem; }
.logo-icon { font-size: 2.5rem; filter: drop-shadow(0 0 15px rgba(99, 102, 241, 0.5)); }
.header-logo h1 {
  font-size: 1.8rem; font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.header-logo p { color: var(--text-muted); font-size: 0.85rem; margin-top: 2px; }

/* ===== UTILS ===== */
.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }

/* ===== GLASS PANEL ===== */
.glass-panel {
  background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius);
  padding: 1.5rem; backdrop-filter: blur(12px); position: relative; overflow: hidden;
}
.panel-subtitle { font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; color: #fff; }

/* ===== WORKSPACE LAYOUT ===== */
.workspace { display: grid; grid-template-columns: 320px 1fr; gap: 1.5rem; align-items: start; }

/* ===== SIDEBAR / SETTINGS ===== */
.sidebar { position: sticky; top: 1.5rem; }

.dropzone {
  border: 2px dashed var(--glass-border); border-radius: var(--radius-sm);
  padding: 1.5rem 1rem; text-align: center; cursor: pointer; transition: all var(--transition);
  background: rgba(0,0,0,0.2); margin-bottom: 1.5rem;
}
.dropzone:hover, .dropzone.drag-over {
  border-color: var(--accent); background: rgba(99,102,241,0.05); transform: scale(1.02);
}
.drop-icon { font-size: 2.5rem; margin-bottom: 0.5rem; }
.dropzone p { color: var(--text-muted); font-size: 0.9rem; }
.drop-sub { font-size: 0.75rem !important; opacity: 0.6; margin-top: 0.25rem; }

.settings-group { margin-bottom: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--glass-border); }
.setting-label { display: flex; justify-content: space-between; font-size: 0.95rem; font-weight: 600; color: var(--text); margin-bottom: 0.25rem; }
.setting-desc { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.75rem; line-height: 1.4; }

.badge { background: rgba(99,102,241,0.2); padding: 2px 6px; border-radius: 4px; font-size: 0.7rem; font-family: 'JetBrains Mono', monospace; color: var(--accent); }

/* Range Slider */
.range-slider {
  width: 100%; -webkit-appearance: none; appearance: none; height: 6px; border-radius: 999px;
  background: rgba(255,255,255,0.1); outline: none; transition: background var(--transition);
}
.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); cursor: pointer; box-shadow: 0 0 10px rgba(99,102,241,0.4);
}

/* Padding Grid */
.pad-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.pad-input-box { display: flex; flex-direction: column; gap: 4px; }
.pad-input-box label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; font-weight: 600;}
.pad-input-box input {
  background: rgba(0,0,0,0.4); border: 1px solid var(--glass-border); border-radius: 6px;
  color: var(--text); font-family: 'JetBrains Mono', monospace; font-size: 0.88rem; padding: 0.5rem; width: 100%; text-align: center;
}
.pad-input-box input:focus { outline: none; border-color: var(--accent); }

/* ===== MAIN CONTENT / FILE LIST ===== */
.main-content { min-height: 400px; }

.empty-state {
  text-align: center; padding: 4rem 2rem; background: rgba(0,0,0,0.2);
  border: 1px dashed var(--glass-border); border-radius: var(--radius);
}
.empty-icon { font-size: 4rem; opacity: 0.5; margin-bottom: 1rem; filter: drop-shadow(0 0 10px rgba(255,255,255,0.1));}
.empty-state h2 { color: var(--text); font-size: 1.5rem; margin-bottom: 0.5rem; }
.empty-state p { color: var(--text-muted); font-size: 0.95rem; }

.file-list { display: flex; flex-direction: column; gap: 1.5rem; }

/* Image Card */
.image-card { padding: 1rem; transition: transform var(--transition); }
.image-card:hover { border-color: rgba(99,102,241, 0.4); }
.image-card-header {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--glass-border);
}
.img-name { font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 80%; }
.btn-icon { background: none; border: none; cursor: pointer; font-size: 1rem; opacity: 0.6; transition: opacity var(--transition); }
.btn-icon:hover { opacity: 1; }

.image-preview-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem;
}
.preview-box {
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20"><path d="M0 0h10v10H0zm10 10h10v10H10z" fill="rgba(255,255,255,0.05)"/><path d="M10 0h10v10H10zM0 10h10v10H0z" fill="rgba(255,255,255,0.02)"/></svg>');
  border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
  display: flex; flex-direction: column; overflow: hidden;
}
.preview-label { background: rgba(0,0,0,0.8); color: #fff; font-size: 0.7rem; text-align: center; padding: 2px 0; font-weight: 600;}
.preview-canvas-container {
  position: relative; flex: 1; display: flex; align-items: center; justify-content: center; padding: 10px; min-height: 150px;
}
.preview-canvas-container canvas { max-width: 100%; max-height: 200px; object-fit: contain; }

/* The bounding box overlay on original canvas */
.crop-box-overlay {
  position: absolute; border: 2px dashed rgba(239, 68, 68, 0.8); background: rgba(239, 68, 68, 0.1);
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.5); /* shades outside */
  pointer-events: none; /* Let clicks pass through if needed */
}

.image-card-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 1rem; border-top: 1px solid var(--glass-border);
}
.img-stats { font-size: 0.8rem; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.7rem 1.4rem; border: none; border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif; font-size: 0.9rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition); text-decoration: none;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), #8b5cf6); color: #fff; box-shadow: 0 4px 15px rgba(99,102,241,0.3); }
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(99,102,241,0.5); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; transform: none; }
.btn-accent { background: linear-gradient(135deg, var(--accent-2), #fb7185); color: #fff; box-shadow: 0 4px 15px rgba(236,72,153,0.3); }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(236,72,153,0.5); }
.btn-outline { background: transparent; border: 1px solid var(--glass-border); color: var(--text); }
.btn-outline:hover { background: var(--glass); border-color: rgba(255,255,255,0.2); }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; }
.btn-full { width: 100%; }

/* Info Card */
.info-card {
  background: rgba(99,102,241, 0.05); border-left: 3px solid var(--accent);
  padding: 1.2rem; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.info-card h4 { color: var(--accent); font-size: 0.9rem; margin-bottom: 0.5rem; }
.info-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* ===== FOOTER ===== */
.app-footer { margin-top: 3rem; text-align: center; color: var(--text-muted); font-size: 0.78rem; border-top: 1px solid var(--glass-border); padding: 1.5rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 800px) {
  .workspace { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .image-preview-wrap { grid-template-columns: 1fr; }
}