:root {
  --bg: #0a0e14;
  --card-bg: #112133;
  --border-color: #1d2c3d;
  --accent: #00c9d9;
  --accent-hover: #0097a7;
  --text: #e0eefd;
  --text-muted: #7a8ca3;
  --btn-radius: 30px;
  --btn-padding: 10px 20px;
  --card-radius: 8px;
  --card-padding: 14px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html, body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  line-height: 1.5;
}
.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

/* Nagłówek */
.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.top-header h1 {
  font-family: 'Bebas Neue', cursive;
  font-size: 3rem;
  color: var(--accent);
  letter-spacing: 1px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.7);
}
.top-header .btn {
  font-size: 1rem;
  padding: 10px 22px;
}

/* Przyciski */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--btn-padding);
  background-color: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--btn-radius);
  cursor: pointer;
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.btn.ghost {
  background-color: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn:hover {
  background-color: var(--accent-hover);
}
.btn.ghost:hover {
  background-color: rgba(0, 151, 167, 0.2);
}
.btn:active {
  transform: scale(0.97);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* Obszar upload */
.upload-area .drop {
  background-color: var(--card-bg);
  border: 2px dashed var(--accent);
  border-radius: var(--card-radius);
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
}
.upload-area .controls .btn {
  margin: 8px 4px;
}

/* Filtry */
.file-list-controls {
  position: sticky;
  top: 0;
  background-color: var(--bg);
  padding-top: 10px;
  z-index: 100;
}
.file-list-controls .tools {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin: 25px 0;
}
.file-list-controls input[type="search"],
.file-list-controls select,
.file-list-controls input[type="date"] {
  padding: 12px 18px;
  border-radius: var(--btn-radius);
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text);
  font-size: 1rem;
  min-width: 180px;
}
.file-list-controls input[type="search"] {
  flex: 1;
}
.file-list-controls label {
  color: var(--text);
}
.file-list-controls input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
}

/* Lista plików */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  background-color: #1a2b3e;
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 10px 20px rgba(0, 201, 217, 0.15);
}
.card .thumb {
  width: 100%;
  height: 150px;
  background-color: var(--border-color);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 48px;
  overflow: hidden;
}
.card .thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.card .info {
  flex: 1;
  margin: 10px 0;
}
.card .info .name {
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
  word-break: break-word;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.card .info .meta {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.3;
}
.card .actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.card .actions a.btn,
.card .actions button.btn {
  flex: 1;
  text-align: center;
  padding: 8px 0;
  border-radius: var(--btn-radius);
  font-size: 0.95rem;
  text-decoration: none;
}

/* MODAL podglądu */
.modal {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0,0,0,0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.modal.show {
  display: flex;
  opacity: 1;
}
.modal-content {
  background-color: rgba(17,33,51,0.9);
  backdrop-filter: blur(10px);
  border-radius: var(--card-radius);
  max-width: 90vw;
  width: 600px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ALERT MODAL */
.custom-alert,
.custom-confirm {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}
.custom-alert-box,
.custom-confirm-box {
  background-color: var(--card-bg);
  padding: 20px 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}
.custom-alert-box p,
.custom-confirm-box p {
  margin-bottom: 16px;
  font-size: 1rem;
}
.custom-confirm-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* TE LINIE SĄ KLUCZOWE */
.custom-alert.hidden,
.custom-confirm.hidden {
  display: none !important;
}

/* Rename input */
.renameInput {
  background-color: var(--border-color);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
}
.renameInput::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

/* Responsywność */
@media (max-width: 600px) {
  .file-list-controls .tools {
    flex-direction: column;
    gap: 12px;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* Stylizacja nowego przycisku usuń */
.pretty-delete {
  background-color: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background-color 0.2s ease, transform 0.1s ease;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.pretty-delete:hover {
  background-color: var(--accent-hover);
}
.pretty-delete:active {
  transform: scale(0.95);
}

/* FADE-OUT dla alert() i confirm() */
.custom-alert,
.custom-confirm {
  opacity: 1;
  transition: opacity 1s ease;
}
.custom-alert.fading-out,
.custom-confirm.fading-out {
  opacity: 0;
}