* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0f1220;
  --panel: #1a1f35;
  --panel2: #232a48;
  --text: #e8eaf6;
  --muted: #9aa3c7;
  --accent: #7c5cff;
  --accent2: #00d4ff;
  --danger: #ff5470;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
}
header {
  background: linear-gradient(90deg, #161a2e, #1d2240);
  border-bottom: 1px solid #2c3560;
  position: sticky; top: 0; z-index: 10;
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-wrap: wrap;
}
.logo { font-size: 1.4rem; font-weight: 700; color: var(--text); text-decoration: none; }
.logo span { background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.header-actions { display: flex; align-items: center; gap: 12px; }
#user-area { display: flex; align-items: center; gap: 10px; }
#user-area.hidden, #signin-area.hidden { display: none; }
.hidden { display: none !important; }
.avatar { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; background: var(--panel2); cursor: pointer; border: 2px solid var(--accent); }
.avatar-lg { width: 72px; height: 72px; cursor: default; }
.user-name { color: var(--muted); font-size: .95rem; }

.btn {
  border: none; border-radius: 8px; padding: 8px 16px; font-size: .95rem;
  cursor: pointer; font-weight: 600; transition: opacity .15s;
}
.btn:hover { opacity: .85; }
.btn-primary { background: linear-gradient(90deg, var(--accent), var(--accent2)); color: #fff; }
.btn-ghost { background: var(--panel2); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: .8rem; }

main { max-width: 1200px; margin: 0 auto; padding: 24px 20px; }
.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px;
}
.card {
  background: var(--panel); border: 1px solid #2c3560; border-radius: 14px;
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.4); }
.card.is-hidden-game { opacity: .55; border-style: dashed; }
.card-icon {
  width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--panel2);
  display: block; cursor: pointer;
}
.card-icon-placeholder {
  width: 100%; aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center;
  font-size: 3rem; background: var(--panel2); cursor: pointer;
}
.card-body { padding: 14px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.card-title-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card-title { font-size: 1.1rem; font-weight: 700; }
.badge {
  background: var(--panel2); color: var(--accent2); font-size: .7rem; font-weight: 700;
  padding: 3px 8px; border-radius: 99px; text-transform: uppercase; letter-spacing: .5px;
  white-space: nowrap;
}
.badge-hidden { color: var(--danger); }
.card-desc { color: var(--muted); font-size: .9rem; flex: 1; }
.card-author { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--muted); }
.card-author img { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; background: var(--panel2); border: none; cursor: default; }
.card-actions { display: flex; gap: 8px; margin-top: 4px; }
.empty { text-align: center; color: var(--muted); padding: 60px 0; font-size: 1.1rem; }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal {
  background: var(--panel); border: 1px solid #2c3560; border-radius: 14px;
  padding: 24px; width: 100%; max-width: 460px; max-height: 90vh; overflow-y: auto;
}
.modal h2 { margin-bottom: 16px; }
.modal label { display: block; margin-bottom: 12px; font-size: .9rem; color: var(--muted); }
.modal input[type=text], .modal textarea, .modal select {
  width: 100%; margin-top: 4px; padding: 9px 12px; border-radius: 8px;
  border: 1px solid #2c3560; background: var(--panel2); color: var(--text); font-size: .95rem;
  font-family: inherit;
}
.modal input[type=file] { margin-top: 4px; color: var(--muted); width: 100%; }
.modal-buttons { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.form-status { margin-top: 10px; font-size: .9rem; color: var(--accent2); min-height: 1.2em; }
.form-status.error { color: var(--danger); }
.profile-photo-row { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; }
.file-btn { display: inline-block; }