:root {
  color-scheme: dark;
  --bg: #0f1117;
  --bg-2: #141824;
  --card: rgba(26, 31, 41, 0.92);
  --text: #eef2ff;
  --muted: #aeb8cc;
  --border: #2d3545;
  --accent: #93b8ff;
  --accent-strong: #bed2ff;
  --danger: #ff8b8b;
  --success: #8dffb3;
  --drop-bg: #131a24;
  --drop-border: #42506b;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(88, 126, 255, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(80, 170, 255, 0.12), transparent 22%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  color: var(--text);
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 920px;
  margin: 40px auto;
  padding: 0 20px 40px;
}

.narrow {
  max-width: 520px;
}

.landing {
  max-width: 860px;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 24px;
  margin: 20px 0;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.hero {
  width: 100%;
  text-align: center;
  padding: 42px 28px;
}

.hero h1 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 2.2rem;
}

.hero-subtitle {
  margin: 0 auto 28px;
  max-width: 620px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-actions.lower {
  margin-top: 18px;
}

.button-like,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 18px;
  border-radius: 14px;
  border: 0;
  background: var(--accent);
  color: #0d1525;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.14s ease, opacity 0.14s ease, background 0.14s ease;
}

.button-like:hover,
button:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

button.secondary {
  background: #2b3342;
  color: var(--text);
}

.panel-link {
  min-width: 220px;
}

.form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
}

input,
select,
button {
  font: inherit;
}

input,
select {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0f131a;
  color: var(--text);
}

.alert {
  border-radius: 14px;
  padding: 13px 15px;
  margin: 16px 0;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.alert.error {
  background: rgba(255, 139, 139, 0.12);
  border: 1px solid rgba(255, 139, 139, 0.4);
  color: var(--danger);
}

.alert.success {
  background: rgba(141, 255, 179, 0.12);
  border: 1px solid rgba(141, 255, 179, 0.4);
  color: var(--success);
}

.fade-out {
  opacity: 0;
  transform: translateY(-6px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.skin-preview {
  image-rendering: pixelated;
  width: 128px;
  height: 128px;
  border: 1px solid var(--border);
  background: #0b0f15;
  border-radius: 10px;
}

.dropzone {
  border: 2px dashed var(--drop-border);
  border-radius: 18px;
  background: var(--drop-bg);
  padding: 28px 18px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
  outline: none;
}

.dropzone:hover,
.dropzone:focus {
  border-color: var(--accent);
  background: #162031;
}

.dropzone.dragover {
  border-color: var(--accent-strong);
  background: #1a2740;
  transform: scale(1.01);
}

.dropzone-inner {
  display: grid;
  gap: 8px;
}

.dropzone-inner strong {
  font-size: 1.05rem;
}

.dropzone-inner span,
.dropzone-inner small,
.selected-file {
  color: var(--muted);
}

.selected-file {
  font-size: 0.95rem;
  padding: 4px 2px;
}

.lang-switch {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.lang-switch a {
  display: inline-block;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
}

.lang-switch a.active {
  background: rgba(147, 184, 255, 0.18);
  color: var(--accent-strong);
}

.centered-lang {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  justify-content: center;
}

.auth-lang,
.panel-lang {
  justify-content: center;
}

.auth-card {
  margin-top: 0;
}

.top-nav-link {
  margin-bottom: 10px;
}

.top-nav-link a {
  color: var(--muted);
}

@media (max-width: 700px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero {
    padding: 30px 20px;
  }

  .centered-lang {
    position: static;
    transform: none;
    margin-bottom: 16px;
  }

  .landing {
    min-height: auto;
  }
}