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

@font-face {
  font-family: 'Terminal';
  src: local('Courier New'), local('Consolas'), local('monospace');
}

:root {
  --bg: #0a0a0a;
  --fg: #b8c4ff;
  --fg-dim: #4a5cc9;
  --fg-bright: #d0d8ff;
  --border: #b8c4ff;
  --border-dim: #3d4fa8;
  --input-bg: #0d0d0d;
  --overlay: rgba(0, 0, 0, 0.2);
  --font: 'Courier New', 'Consolas', monospace;
  --glow: 0 0 4px rgba(184, 196, 255, 0.3);
}

html, body {
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  position: relative;
}

.overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  z-index: -1;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: url('./background.png') center/cover no-repeat fixed;
  z-index: -2;
  opacity: 0.3;
}

main {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

header {
  text-align: center;
  margin-bottom: 40px;
}

.logo {
  font-size: 7px;
  line-height: 1.2;
  color: var(--fg);
  text-shadow: var(--glow);
  letter-spacing: 1px;
  user-select: none;
}

.subtitle {
  color: var(--fg-dim);
  font-size: 13px;
  margin-top: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.terminal-box {
  border: 1px solid var(--border-dim);
  margin-bottom: 28px;
  box-shadow: 0 0 12px rgba(129, 146, 255, 0.06);
}

.terminal-bar {
  background: #111;
  border-bottom: 1px solid var(--border-dim);
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border: 1px solid var(--border-dim);
  flex-shrink: 0;
}

.terminal-title {
  color: #6aff6f;
  font-size: 12px;
  letter-spacing: 1px;
}

.terminal-body {
  padding: 20px 24px;
  background: rgba(0, 0, 0, 0.6);
}

.input-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.prompt {
  color: var(--fg-dim);
  white-space: nowrap;
  user-select: none;
  flex-shrink: 0;
}

input[type="password"] {
  background: var(--input-bg);
  border: 1px solid var(--border-dim);
  color: var(--fg);
  font-family: var(--font);
  font-size: 14px;
  padding: 6px 10px;
  outline: none;
  width: 200px;
  caret-color: var(--fg);
  transition: border-color 0.2s;
}

input[type="password"]:focus {
  border-color: var(--border);
  box-shadow: var(--glow);
}

#drop-zone {
  border: 1px dashed var(--border-dim);
  padding: 32px 20px;
  text-align: center;
  margin-bottom: 14px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  user-select: none;
}

#drop-zone:hover,
#drop-zone.drag-over {
  border-color: var(--border);
  background: rgba(129, 146, 255, 0.03);
}

#drop-zone.has-file {
  border-style: solid;
  border-color: var(--border);
  background: rgba(129, 146, 255, 0.05);
}

#drop-zone p {
  color: var(--fg-dim);
}

#drop-zone.has-file p {
  color: var(--fg);
}

.drop-icon {
  color: var(--fg);
  margin-right: 4px;
}

.file-name {
  color: var(--fg-bright);
  margin-top: 8px;
  font-size: 13px;
  word-break: break-all;
}

.expiry-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.expiry-row .prompt {
  margin-right: 2px;
}

.slider-wrap {
  position: relative;
  width: 340px;
  height: 20px;
}

.expiry-label-line {
  text-align: right;
  padding-right: 2px;
  margin-top: 2px;
  margin-bottom: 14px;
}

#slider-text {
  font-size: 13px;
  color: var(--fg);
  letter-spacing: 1px;
  user-select: none;
  line-height: 20px;
}

#expiry-slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
  margin: 0;
  opacity: 0;
}

#expiry-label {
  color: var(--fg-bright);
  font-size: 14px;
  font-weight: bold;
  white-space: nowrap;
}

#upload-btn {
  background: transparent;
  border: none;
  color: var(--fg);
  font-family: var(--font);
  font-size: 14px;
  padding: 0;
  cursor: pointer;
}

#upload-btn:hover {
  color: var(--fg-bright);
}

#upload-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.status {
  margin-top: 12px;
  padding: 8px 12px;
  border: 1px solid var(--border-dim);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.cancel-btn {
  background: transparent;
  border: none;
  color: #ff5555;
  font-family: var(--font);
  font-size: 13px;
  padding: 0;
  cursor: pointer;
  margin-left: auto;
}

.status.hidden {
  display: none;
}

.status.error {
  border-color: #ff3333;
  color: #ff3333;
}

.status.success {
  border-color: var(--fg);
  color: var(--fg-bright);
}

#file-list {
  min-height: 60px;
}

.empty-msg {
  color: var(--fg-dim);
  font-style: italic;
  padding: 10px 0;
}

.file-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(129, 146, 255, 0.08);
  gap: 10px;
  flex-wrap: wrap;
}

.file-entry:last-child {
  border-bottom: none;
}

.file-entry .name {
  color: var(--fg-bright);
  font-size: 13px;
  word-break: break-all;
  flex: 1;
  min-width: 120px;
}

.file-entry .size {
  color: var(--fg-dim);
  font-size: 12px;
  white-space: nowrap;
}

.file-entry .timer {
  color: var(--fg);
  font-size: 13px;
  white-space: nowrap;
  min-width: 70px;
  text-align: right;
}

.file-entry .timer.warning {
  color: #ffaa00;
}

.file-entry .timer.critical {
  color: #ff3333;
}

.file-entry .dl-link {
  color: var(--fg-dim);
  text-decoration: none;
  font-size: 13px;
  border: none;
  padding: 0;
  white-space: nowrap;
}

.file-entry .dl-link:hover {
  color: var(--fg);
}

.file-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

.del-btn {
  background: transparent;
  border: none;
  color: #ff5555;
  font-family: var(--font);
  font-size: 13px;
  padding: 0;
  cursor: pointer;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-overlay.hidden {
  display: none;
}

.modal-overlay .terminal-box {
  width: 420px;
  max-width: 90vw;
  margin: 0;
}

.modal-prompt {
  color: var(--fg-bright);
  margin-bottom: 14px;
  font-size: 13px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 16px;
}

.modal-del-btn {
  background: transparent;
  border: none;
  color: #ff5555;
  font-family: var(--font);
  font-size: 13px;
  padding: 0;
  cursor: pointer;
}

footer {
  text-align: center;
  margin-top: 40px;
  color: var(--fg-dim);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

@media (max-width: 600px) {
  main { padding: 20px 12px 40px; }
  .logo { font-size: 4px; }
  .terminal-body { padding: 14px 16px; }
  .input-line { flex-wrap: wrap; }
  input[type="password"] { width: 100%; }
  .expiry-row { gap: 5px; }
  .file-entry { flex-direction: column; align-items: flex-start; }
  .file-entry .timer { text-align: left; }
}