:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --text: #1c2430;
  --muted: #697385;
  --line: #e6ebf2;
  --primary: #2364e8;
  --primary-dark: #174abb;
  --accent: #ff647c;
  --good: #1f9d63;
  --danger: #d94242;
  --shadow: 0 18px 45px rgba(24, 33, 52, .10);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
button, input, a { font: inherit; }
a { text-decoration: none; color: inherit; }

.app-shell, .admin-shell {
  min-height: 100vh;
  max-width: 1180px;
  margin: 0 auto;
  padding: 22px 18px 96px;
}
.admin-shell { padding-bottom: 36px; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow);
  font-size: 31px;
}
h1, h2, p { margin: 0; }
h1 { font-size: 22px; }
h2 { font-size: 20px; margin-bottom: 12px; }
p { color: var(--muted); }
.top-actions { display: flex; gap: 10px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 22px;
}
.hidden { display: none !important; }
.tabs { display: flex; gap: 8px; margin: 16px 0; }
.tab, .ghost, .primary, .danger {
  border: 0;
  border-radius: 12px;
  padding: 11px 16px;
  cursor: pointer;
}
.tab, .ghost { background: #eef3fb; color: #40506a; }
.tab.active, .primary { background: var(--primary); color: #fff; }
.primary:hover { background: var(--primary-dark); }
.danger { background: #ffe9e9; color: var(--danger); }
.form-grid, .admin-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.section-copy { margin-top: -4px; margin-bottom: 14px; }
h3 { margin: 0 0 10px; font-size: 16px; }
.disabled-form { opacity: .55; pointer-events: none; }
.account-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
.stat-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  background: #fbfcff;
  display: grid;
  gap: 6px;
}
.stat-card strong { font-size: 18px; overflow-wrap: anywhere; }
.stat-card span { color: var(--muted); font-size: 13px; }
label { display: grid; gap: 7px; color: #3d4858; font-weight: 650; }
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 13px;
  background: #fbfcff;
  color: var(--text);
}

.hero {
  min-height: 520px;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.hero-bg {
  position: absolute;
  font-size: 300px;
  opacity: .18;
  filter: blur(1px);
}
.hero-actions {
  position: relative;
  width: min(620px, 100%);
  display: grid;
  gap: 18px;
}
.hero-button {
  border: 1px solid rgba(255, 255, 255, .65);
  border-radius: 18px;
  background: rgba(255, 255, 255, .76);
  backdrop-filter: blur(14px);
  padding: 28px;
  text-align: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  cursor: pointer;
}
.hero-button span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}
.workspace {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
}
.project-list { display: grid; align-content: start; gap: 10px; }
.project-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  cursor: pointer;
  background: #fbfcff;
}
.project-card.active { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(35, 100, 232, .12); }
.generator { display: grid; gap: 18px; }
.upload-box {
  border: 1px dashed #bdc8d8;
  border-radius: 16px;
  padding: 18px;
  display: grid;
  gap: 14px;
}
.settings-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.file-drop {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  background: #f7faff;
}
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}
.image-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
}
.image-card img { display: block; width: 100%; aspect-ratio: 1; object-fit: contain; background: #f7f8fb; }
.image-body { padding: 14px; display: grid; gap: 10px; }
.meta { color: var(--muted); font-size: 13px; }
.palette-row { display: flex; flex-wrap: wrap; gap: 6px; }
.swatch { width: 18px; height: 18px; border-radius: 50%; border: 1px solid rgba(0,0,0,.12); }
.card-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  width: min(560px, calc(100% - 28px));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 10px;
  background: rgba(255, 255, 255, .86);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.nav {
  border: 0;
  border-radius: 14px;
  padding: 12px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.nav.active { background: #eaf1ff; color: var(--primary); font-weight: 800; }
.toast {
  position: fixed;
  left: 50%;
  top: 18px;
  transform: translateX(-50%);
  background: #172033;
  color: white;
  border-radius: 12px;
  padding: 12px 16px;
  display: none;
  z-index: 20;
}
.toast.show { display: block; }

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { border-bottom: 1px solid var(--line); padding: 12px; text-align: left; font-size: 14px; }
th { color: var(--muted); }
.table-input { min-width: 210px; padding: 9px 10px; border-radius: 10px; }
.table-input.small { min-width: 92px; width: 92px; }

@media (max-width: 760px) {
  .app-shell { padding: 16px 14px 96px; }
  .panel { padding: 18px; border-radius: 16px; }
  .workspace { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .section-head { align-items: stretch; flex-direction: column; }
  .hero { min-height: 470px; }
  .hero-bg { font-size: 235px; }
  .hero-button { font-size: 19px; padding: 24px 16px; }
}