body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  background: #e8eaf0;
  min-height: 100vh;
  padding-top: 40px;
}

.webmail {
  display: flex;
  max-width: 900px;
  margin: 20px auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
  overflow: hidden;
  min-height: 520px;
}

.webmail-sidebar {
  width: 180px;
  background: #1f2d3d;
  color: #c8d6e5;
  flex-shrink: 0;
  padding: 0 0 20px 0;
}

.wb-logo {
  padding: 18px 16px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.wb-nav {
  list-style: none;
  padding: 8px 0;
}

.wb-nav li {
  padding: 9px 16px;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 0;
  transition: background 0.15s;
}

.wb-nav li:hover { background: rgba(255,255,255,0.06); }
.wb-nav li.wb-active { background: rgba(255,255,255,0.12); color: #fff; font-weight: 600; }

.wb-badge {
  background: #e74c3c;
  color: #fff;
  border-radius: 10px;
  font-size: 10px;
  padding: 1px 6px;
  margin-left: auto;
  font-weight: 700;
}

.webmail-main {
  flex: 1;
  overflow: hidden;
}

.wb-toolbar {
  padding: 12px 18px;
  border-bottom: 1px solid #e8e8e8;
  background: #f9f9f9;
}

.wb-folder-label {
  font-size: 13px;
  font-weight: 600;
  color: #444;
}

.wb-list {
  width: 100%;
  border-collapse: collapse;
}

.wb-row {
  cursor: pointer;
  transition: background 0.15s;
}

.wb-row:hover { background: #f0f4ff; }

.wb-row td {
  padding: 12px 16px;
  border-bottom: 1px solid #f0f0f0;
  font-size: 13px;
  color: #555;
}

.wb-unread td { color: #1a1a1a; font-weight: 600; }

.wb-from { width: 260px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wb-subject { color: inherit; }
.wb-urgent { color: #c0392b !important; }
.wb-date { width: 100px; text-align: right; color: #888; font-weight: 400; font-size: 12px; }

/* Email view */
.email-view { padding: 0; overflow-y: auto; }

.email-header {
  padding: 18px 20px 14px;
  border-bottom: 1px solid #eee;
  background: #fafafa;
}

.email-subject {
  font-size: 17px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.email-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.email-avatar {
  font-size: 36px;
  line-height: 1;
}

.email-from-name { font-weight: 600; font-size: 14px; color: #222; }
.email-from-addr { font-size: 12px; color: #888; margin: 2px 0; }
.email-to { font-size: 12px; color: #aaa; }

.email-body {
  padding: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: #2c2c2c;
}

.email-body p { margin-bottom: 12px; }
.email-body ul, .email-body ol { margin: 10px 0 14px 20px; }
.email-body li { margin-bottom: 6px; }
.email-body code {
  background: #f3f3f3;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 12px;
  font-family: Consolas, monospace;
  display: inline-block;
  margin-top: 4px;
}

.email-actions {
  padding: 14px 20px;
  border-top: 1px solid #eee;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.email-btn {
  padding: 9px 20px;
  border: none;
  border-radius: 5px;
  font-size: 14px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.email-btn:hover { opacity: 0.85; }
.email-btn-primary { background: #27ae60; color: #fff; }
.email-btn-ghost { background: #eee; color: #444; }
.email-btn-danger { background: #c0392b; color: #fff; width: 100%; margin-top: 6px; font-size: 15px; padding: 12px; }

.followup-form {
  padding: 14px 20px 20px;
  border-top: 1px solid #eee;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.followup-form input {
  padding: 9px 12px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 14px;
  font-family: inherit;
  background: #fafafa;
}

@media (max-width: 600px) {
  .webmail { flex-direction: column; margin: 10px; border-radius: 6px; }
  .webmail-sidebar { width: 100%; padding: 0; }
  .wb-nav { display: flex; flex-wrap: wrap; padding: 4px; }
  .wb-nav li { flex: 1; justify-content: center; padding: 8px 6px; font-size: 11px; }
  .wb-from { display: none; }
  .wb-date { display: none; }
}