:root {
  --bg: #f5efe2;
  --bg-strong: #efe1c5;
  --panel: rgba(255, 251, 244, 0.9);
  --panel-strong: #fffaf1;
  --text: #1f1d19;
  --muted: #6f6658;
  --accent: #0b7a75;
  --accent-dark: #085e5a;
  --line: rgba(31, 29, 25, 0.12);
  --danger: #b84030;
  --success: #166b45;
  --shadow: 0 20px 60px rgba(73, 50, 17, 0.12);
  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --font-display: "Georgia", "Times New Roman", serif;
  --font-body: "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.75), transparent 30%),
    linear-gradient(135deg, var(--bg), var(--bg-strong));
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
a {
  font: inherit;
}

.auth-body,
.dashboard-body {
  padding: 24px;
}

.auth-shell {
  width: min(1080px, 100%);
  margin: 0 auto;
  min-height: calc(100vh - 48px);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}

.install-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  min-height: calc(100vh - 48px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.auth-copy h1,
.topbar h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 5vw, 4.6rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.lead,
.section-copy {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.65;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.auth-card,
.upload-card,
.list-card {
  padding: 28px;
}

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

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-weight: 600;
}

.field input,
.link-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--panel-strong);
}

.primary-btn,
.ghost-btn,
.inline-btn {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
  text-decoration: none;
}

.primary-btn {
  padding: 14px 18px;
  background: var(--accent);
  color: white;
  font-weight: 700;
}

.primary-btn:hover,
.ghost-btn:hover,
.inline-btn:hover {
  transform: translateY(-1px);
}

.ghost-btn,
.inline-btn {
  padding: 11px 16px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.hint-box {
  margin-top: 18px;
  padding: 16px;
  border-radius: var(--radius-lg);
  background: rgba(11, 122, 117, 0.08);
  color: var(--muted);
}

.checklist {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.check-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--panel-strong);
}

.check-item span {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.check-item.ok span {
  color: var(--success);
}

.check-item.fail span {
  color: var(--danger);
}

.hint-box code {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.95rem;
  color: var(--text);
}

.topbar {
  width: min(1180px, 100%);
  margin: 0 auto 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(11, 122, 117, 0.08);
  color: var(--accent-dark);
  font-weight: 700;
}

.dashboard-grid {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
}

.upload-zone {
  display: grid;
  gap: 8px;
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(11, 122, 117, 0.45);
  background: rgba(11, 122, 117, 0.06);
  cursor: pointer;
}

.upload-zone input {
  width: 100%;
}

.section-head {
  margin-bottom: 18px;
}

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

.image-card {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel-strong);
  align-items: center;
}

.image-preview {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 14px;
  background: #e9e0ce;
}

.image-title {
  margin: 0 0 6px;
}

.image-date,
.image-size {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.card-actions {
  display: grid;
  gap: 10px;
}

.message {
  margin: 0;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
}

.message.info {
  background: rgba(11, 122, 117, 0.08);
}

.message.success {
  background: rgba(22, 107, 69, 0.1);
  color: var(--success);
}

.message.error {
  background: rgba(184, 64, 48, 0.1);
  color: var(--danger);
}

.empty-state {
  margin: 0;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.42);
  color: var(--muted);
  text-align: center;
}

@media (max-width: 920px) {
  .auth-shell,
  .install-shell,
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: start;
    flex-direction: column;
  }

  .image-card {
    grid-template-columns: 1fr;
  }

  .image-preview {
    width: 100%;
    height: 220px;
  }

  .card-actions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .auth-body,
  .dashboard-body {
    padding: 16px;
  }

  .auth-card,
  .upload-card,
  .list-card {
    padding: 22px;
  }

  .card-actions {
    grid-template-columns: 1fr;
  }
}