:root {
  --bg: #0c0a09;
  --card: #1c1917;
  --card-hover: #232019;
  --line: #292524;
  --line-strong: #3f3a36;
  --text: #ffffff;
  --muted: #a8a29e;
  --faint: #57534e;
  --accent-300: #fdba74;
  --accent-400: #fb923c;
  --accent-500: #f97316;
  --accent-600: #ea580c;
  --error: #f87171;
  --ok: #4ade80;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Ambient glow in the top left, slowly pulsing */
.glow {
  position: fixed;
  top: -200px;
  left: -200px;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(249, 115, 22, 0.2) 0%,
    rgba(249, 115, 22, 0.08) 40%,
    transparent 70%
  );
  animation: pulse-slow 8s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes pulse-slow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Drifting particles */
.particle {
  position: fixed;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(251, 146, 60, 0.6);
  animation: drift 14s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes drift {
  0% { opacity: 0; transform: translate(0, 0); }
  10%, 90% { opacity: 0.5; }
  100% { transform: translate(var(--dx, 40px), var(--dy, -60px)); opacity: 0; }
}

header {
  width: 100%;
  max-width: 1080px;
  padding: 1.6rem 1.5rem;
  z-index: 1;
}

.wordmark {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.wordmark .accent {
  color: var(--accent-500);
}

main {
  flex: 1;
  width: 100%;
  max-width: 640px;
  padding: 1rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1;
}

#uploader {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Tooltip pill above the orb */
.pill {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 28px;
  font-size: 1rem;
  color: var(--text);
  position: relative;
  margin-bottom: 26px;
  white-space: nowrap;
}

.pill::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 10px;
  height: 10px;
  transform: translateX(-50%) rotate(45deg);
  background: var(--card);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* The upload orb */
.orb-wrap {
  position: relative;
  width: 160px;
  height: 160px;
  margin-bottom: 28px;
}

.orb-halo {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  background: rgba(249, 115, 22, 0.5);
  filter: blur(8px);
  animation: breathe 4s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.08); }
}

.orb {
  position: absolute;
  inset: 0;
  border: none;
  border-radius: 50%;
  background: linear-gradient(to bottom right, var(--accent-400), var(--accent-500), var(--accent-600));
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s cubic-bezier(0, 0, 0.2, 1);
  padding: 0;
}

.orb:hover,
body.dragging .orb {
  transform: scale(1.06);
}

body.dragging .orb-halo {
  opacity: 1;
  animation-duration: 1.2s;
}

.orb svg {
  width: 44px;
  height: 44px;
}

.orb .orb-progress {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0 0 0.9rem;
  color: var(--text);
  font-size: 0.95rem;
}

.tagline .arrow {
  color: var(--faint);
  margin: 0 0.35rem;
}

.meta-line {
  margin: 0 0 1.6rem;
  font-size: 12px;
  color: var(--faint);
  text-align: center;
}

/* Upload option controls */
.options {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem 1.1rem;
  margin-bottom: 1.4rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.options label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

input,
select {
  font: inherit;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.4rem 0.65rem;
  transition: border-color 0.2s;
}

input:hover,
select:hover {
  border-color: var(--line-strong);
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent-500);
}

input::placeholder {
  color: var(--faint);
}

#password {
  width: 7.5rem;
}

#max-downloads {
  width: 5.2rem;
}

/* Buttons */
button {
  font: inherit;
  border: none;
  cursor: pointer;
  border-radius: 999px;
  transition: transform 0.2s, background 0.2s, border-color 0.2s, opacity 0.2s;
}

.btn-primary,
a.btn-primary {
  display: inline-block;
  background: linear-gradient(to bottom right, var(--accent-400), var(--accent-500), var(--accent-600));
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  padding: 0.65rem 1.8rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease-out, filter 0.2s;
}

.btn-primary:hover {
  transform: scale(1.04);
  filter: brightness(1.08);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 0.3rem 0.85rem;
  font-size: 0.82rem;
}

.btn-ghost:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.btn-copy {
  background: var(--card);
  color: var(--accent-400);
  border: 1px solid var(--line);
  padding: 0.3rem 0.85rem;
  font-size: 0.82rem;
}

.btn-copy:hover {
  border-color: var(--accent-600);
}

.btn-copy.copied {
  color: var(--ok);
  border-color: var(--line);
}

/* Live stats row */
.stats {
  display: flex;
  gap: 2.8rem;
  justify-content: center;
  margin: 0.3rem 0 1.5rem;
}

.stats > div {
  text-align: center;
}

.stat-num {
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* Per-file settings panel */
.settings-panel {
  margin-top: 0.65rem;
  border-top: 1px solid var(--line);
  padding-top: 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.settings-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.settings-row .settings-label {
  width: 6.5rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.settings-row input,
.settings-row select {
  padding: 0.3rem 0.55rem;
  font-size: 0.85rem;
}

.settings-row input[type="text"],
.settings-row input[type="password"] {
  width: 8.5rem;
}

.settings-row input[type="number"] {
  width: 5rem;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5rem 1.15rem;
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
  z-index: 10;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* File cards */
ul.files {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

ul.files li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  animation: rise-in 0.35s ease-out;
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.file-top {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.file-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

.file-size {
  color: var(--faint);
  font-size: 0.82rem;
  white-space: nowrap;
}

.file-bottom {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.55rem;
  min-height: 1.8rem;
}

.result-link {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--accent-400);
  text-decoration: none;
  font-size: 0.9rem;
}

.result-link:hover {
  text-decoration: underline;
}

.progress {
  flex: 1;
  height: 5px;
  background: var(--line);
  border-radius: 3px;
  overflow: hidden;
}

.progress > div {
  height: 100%;
  width: 0;
  background: linear-gradient(to right, var(--accent-500), var(--accent-400));
  border-radius: 3px;
  transition: width 0.25s ease-out;
}

.status {
  color: var(--faint);
  font-size: 0.82rem;
  white-space: nowrap;
}

.error {
  color: var(--error);
  font-size: 0.88rem;
}

/* Standalone pages: download, password, collection, key gate */
.page-card {
  width: 100%;
  max-width: 460px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2.2rem 2rem;
  text-align: center;
  animation: rise-in 0.35s ease-out;
  margin: auto 0;
}

.page-card h1 {
  margin: 0 0 0.3rem;
  font-size: 1.35rem;
  overflow-wrap: anywhere;
}

.page-card .meta {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.page-card .note {
  color: var(--faint);
  font-size: 0.85rem;
  margin: 0 0 1rem;
}

.page-card form {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.page-card ul.files {
  text-align: left;
  margin-top: 1.2rem;
}

.page-card ul.files .file-top {
  align-items: center;
}

/* Micro label, uppercase and letterspaced */
.micro {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}

footer {
  padding: 1.2rem;
  color: var(--faint);
  font-size: 0.78rem;
  z-index: 1;
}

footer a {
  color: var(--faint);
  text-decoration: underline;
}

footer a:hover {
  color: var(--accent-400);
}

@media (max-width: 480px) {
  .orb-wrap {
    width: 136px;
    height: 136px;
  }
  .pill {
    white-space: normal;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .glow,
  .particle,
  .orb-halo {
    animation: none;
  }
  ul.files li,
  .page-card {
    animation: none;
  }
}