/* Updated styling for three-column rounded feed */
:root {
  --max-width: 1100px;
  --card-bg: #fff;
  --muted: #6b7280;
}
* {
  box-sizing: border-box;
}
body {
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    'Helvetica Neue',
    Arial;
  line-height: 1.4;
  margin: 0;
  background: linear-gradient(135deg, #f7f6ff 0%, #f0fbff 100%);
  color: #111;
  padding: 24px;
}
.feed-shell {
  min-height: 100vh;
  padding: 20px;
}
.container {
  max-width: var(--max-width);
  margin: 0 auto;
}
.main-card {
  background: var(--card-bg);
  border-radius: 20px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(16, 24, 40, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.04);
}
.left-nav {
  width: 200px;
}
.left-nav .logo {
  background: #111;
  color: #fff;
  padding: 10px;
  border-radius: 10px;
  font-weight: 700;
  text-align: center;
}
.left-nav ul {
  list-style: none;
  padding: 12px 0;
  margin: 0;
}
.left-nav .nav-item {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 6px;
  cursor: pointer;
  color: #0f172a;
}
.left-nav .nav-item.active {
  background: #eef2ff;
  color: #1e40af;
}
.right-column {
  width: 260px;
}
.card {
  background: var(--card-bg);
  border: 1px solid #eaeef2;
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 12px;
}
.post-card {
  border-radius: 14px;
  padding: 14px;
}
.post-thumbs .thumb {
  width: 120px;
  height: 84px;
  background: linear-gradient(180deg, #f8fafc, #eef2ff);
  border-radius: 10px;
}
.avatar {
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: #e6f0ff;
  color: #1e40af;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}
.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  min-width: 32px;
  padding: 0 14px;
  background: #eef2ff;
  color: #1e40af;
  border-radius: 999px;
  font-size: 12px;
  margin-right: 0;
  white-space: nowrap;
}
.button {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
}
.small {
  font-size: 13px;
  color: var(--muted);
}
.sidebar {
  width: 300px;
}
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal {
  background: #fff;
  border-radius: 8px;
  padding: 16px;
  width: min(900px, 95%);
}
.textarea {
  width: 100%;
  min-height: 100px;
  padding: 8px;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
}
.create-input {
  display: flex;
  flex-direction: column;
}
.rec {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
}

.markdown-preview {
  border: 1px solid #eef2f6;
  padding: 12px;
  border-radius: 8px;
  background: #ffffff;
}

/* Create account styles */
.create-account-bg {
  background: linear-gradient(180deg, #00c6ff 0%, #0072ff 100%);
}
.create-card {
  width: 420px;
  margin: 60px auto;
  padding: 32px;
  background: #fff;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(2, 6, 23, 0.12);
}
.create-card h2 {
  font-size: 28px;
  color: #1e3a8a;
  margin-bottom: 18px;
}
.input {
  width: 100%;
  padding: 12px;
  border-radius: 6px;
  border: 1px solid #eef2f6;
  margin-bottom: 12px;
}
.btn-gradient {
  background: linear-gradient(90deg, #0ea5e9, #60a5fa);
  color: #fff;
  padding: 12px 24px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
}
.btn-ghost {
  background: #f1f5f9;
  padding: 12px 24px;
  border-radius: 999px;
  border: none;
  color: #475569;
  margin-left: 12px;
}

/* Tags row spacing */
.tags-row {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

/* Notifications */
.notif-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.notif {
  background: #0f172a;
  color: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(2, 6, 23, 0.2);
  min-width: 220px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.notif.success {
  background: #15803d;
}
.notif.error {
  background: #b91c1c;
}
.notif button {
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 6px;
}