:root {
  --mym-green: #3C7A2E;
  --mym-green-dark: #2A5A20;
  --mym-green-light: #E9F3E6;
  --mym-black: #1A1A1A;
  --mym-gray: #6B6B6B;
  --mym-border: #E2E2E0;
  --mym-bg: #F7F7F5;
  --mym-white: #FFFFFF;
  --mym-red: #C0392B;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--mym-bg);
  color: var(--mym-black);
}

a { color: var(--mym-green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Layout shell ---- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--mym-white);
  border-right: 1px solid var(--mym-border);
  padding: 1.25rem 1rem;
}

.brand { display: flex; align-items: center; gap: 8px; margin-bottom: 1.75rem; }
.brand img { height: 34px; }

.nav-label { font-size: 12px; color: var(--mym-gray); margin: 1.25rem 0 6px 4px; text-transform: uppercase; letter-spacing: .04em; }

.nav-item {
  display: block;
  padding: 8px 10px;
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--mym-black);
  margin-bottom: 2px;
}
.nav-item:hover { background: var(--mym-green-light); text-decoration: none; }
.nav-item.active { background: var(--mym-green-light); color: var(--mym-green-dark); font-weight: 600; }

.role-badge {
  display: inline-block;
  background: var(--mym-green-light);
  color: var(--mym-green-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius);
}

.main { flex: 1; padding: 1.5rem 2rem; }

.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 12px; }
.breadcrumb { font-size: 13px; color: var(--mym-gray); margin: 0 0 4px; }
.page-title { font-size: 20px; font-weight: 600; margin: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--mym-border);
  background: var(--mym-white);
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 14px;
  cursor: pointer;
  color: var(--mym-black);
}
.btn:hover { border-color: var(--mym-green); text-decoration: none; }
.btn-primary { background: var(--mym-green); border-color: var(--mym-green); color: #fff; }
.btn-primary:hover { background: var(--mym-green-dark); }
.btn-danger { color: var(--mym-red); }
.btn-sm { padding: 5px 10px; font-size: 13px; }

/* ---- Grid of files/folders ---- */
.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

.item-card {
  position: relative;
  background: var(--mym-white);
  border: 1px solid var(--mym-border);
  border-radius: 12px;
  padding: 14px;
}
.item-card:hover { border-color: var(--mym-green); }
.item-card.drag-over { border-color: var(--mym-green); background: var(--mym-green-light); box-shadow: inset 0 0 0 2px var(--mym-green); }
.breadcrumb a.drag-over, .btn.drag-over { border-color: var(--mym-green) !important; background: var(--mym-green-light) !important; box-shadow: inset 0 0 0 2px var(--mym-green); }

.item-icon { font-size: 26px; color: var(--mym-green); }
.item-icon.file { color: var(--mym-gray); }

.item-name {
  font-size: 13.5px;
  font-weight: 600;
  margin: 10px 0 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.item-meta { font-size: 11.5px; color: var(--mym-gray); }

.item-actions { position: absolute; top: 10px; right: 10px; display: flex; gap: 4px; }
.icon-btn {
  width: 26px; height: 26px;
  border: none; background: transparent;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--mym-gray);
}
.icon-btn:hover { background: var(--mym-green-light); color: var(--mym-green-dark); }

/* ---- Forms / modals ---- */
.form-row { margin-bottom: 12px; }
.form-row label { display: block; font-size: 13px; color: var(--mym-gray); margin-bottom: 4px; }
.form-row input[type=text], .form-row select {
  width: 100%; padding: 9px 10px; border: 1px solid var(--mym-border); border-radius: var(--radius); font-size: 14px;
}

.modal-overlay {
  display: none;
  position: fixed; inset: 0; background: rgba(0,0,0,.45);
  align-items: center; justify-content: center; z-index: 50;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--mym-white); border-radius: 12px; padding: 1.5rem; width: 320px;
}
.modal-box h3 { margin: 0 0 1rem; font-size: 16px; }

.empty-state { text-align: center; color: var(--mym-gray); padding: 3rem 0; font-size: 14px; }

/* ---- Login ---- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--mym-bg); }
.login-card {
  width: 340px; background: var(--mym-white); border: 1px solid var(--mym-border); border-radius: 14px; padding: 2rem;
}
.login-card img { height: 42px; display: block; margin: 0 auto 1.5rem; }
.login-card .subtitle { text-align: center; font-size: 13px; color: var(--mym-gray); margin: -1rem 0 1.5rem; }
.login-card input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--mym-border); border-radius: var(--radius); margin-bottom: 12px; font-size: 14px;
}
.login-card button { width: 100%; padding: 10px; }
.alert-error { background: #FBEAEA; color: var(--mym-red); font-size: 13px; padding: 8px 10px; border-radius: var(--radius); margin-bottom: 12px; }
.footer-note { text-align: center; font-size: 12px; color: var(--mym-gray); margin-top: 1.25rem; }