* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: #1d1f2a;
  background: #f7f5f1;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-login,
.page-admin {
  min-height: 100vh;
  padding: 32px;
}

.page-login {
  display: grid;
  place-items: center;
  background: radial-gradient(circle at top, #fef6d8, #f4f0e8);
}

.page-admin {
  background: #f4f2ed;
}

.login-card {
  background: #fff;
  padding: 32px;
  border-radius: 20px;
  box-shadow: 0 18px 40px rgba(30, 31, 38, 0.15);
  width: min(520px, 92vw);
  display: grid;
  gap: 18px;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
}

.brand h1 {
  margin: 0 0 6px;
  font-size: 24px;
}

.brand p {
  margin: 0;
  color: #70737f;
  font-size: 14px;
}

.logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6c63ff, #2f6fed);
  box-shadow: 0 10px 18px rgba(47, 111, 237, 0.3);
}

label {
  display: grid;
  gap: 6px;
  font-size: 14px;
}

input[type="text"],
input[type="number"],
input[type="file"],
textarea {
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid #d7d7df;
  font-size: 14px;
  background: #fafafa;
  width: 100%;
}

textarea {
  resize: vertical;
  min-height: 76px;
}

button {
  padding: 12px 18px;
  border: none;
  border-radius: 12px;
  background: #2f6fed;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: #245bd1;
}

.error {
  color: #b00020;
}

.muted {
  color: #7b7b83;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px 0;
  max-width: 1180px;
  margin: 0 auto;
}

.topbar h1 {
  margin: 0 0 6px;
  font-size: 26px;
}

.topbar p {
  margin: 0;
  color: #6e707b;
  font-size: 14px;
}

.ghost {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid #d7d7df;
  background: #fff;
  font-weight: 600;
}

.link {
  color: #2f6fed;
  font-weight: 600;
}

.dashboard {
  width: min(1180px, 96vw);
  margin: 24px auto 40px;
  display: grid;
  gap: 20px;
}

.panel {
  background: #fff;
  padding: 24px;
  border-radius: 20px;
  box-shadow: 0 12px 26px rgba(30, 31, 38, 0.08);
  overflow: hidden;
}

.panel-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.panel-header h2 {
  margin: 0;
  font-size: 20px;
}

.panel-header p {
  margin: 0;
  color: #6b6f7b;
  font-size: 14px;
}

.form-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.form-grid button {
  grid-column: 1 / -1;
  justify-self: start;
}

.paste-box {
  border: 1px dashed #c6cad7;
  border-radius: 14px;
  padding: 14px;
  background: #fbfbfd;
  display: grid;
  gap: 10px;
}

.paste-tip {
  font-size: 13px;
  color: #6b6f7b;
}

.paste-preview {
  min-height: 140px;
  border-radius: 12px;
  background: #f1f3f8;
  display: grid;
  place-items: center;
  color: #9aa0ad;
  font-size: 13px;
}

.paste-preview img {
  max-width: 100%;
  max-height: 220px;
  object-fit: contain;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 760px;
}

th,
td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid #eef0f5;
}

.table-wrap {
  overflow-x: auto;
}

.link-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.copy-btn {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid #e1e4ef;
  background: #f7f8fc;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.copy-btn:hover {
  background: #eef1f8;
}

.page-invite {
  min-height: 100vh;
  background: radial-gradient(circle at top, #fef6d8, #f1efe8);
}

.invite {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.invite-card {
  background: #ffffff;
  padding: 32px;
  border-radius: 24px;
  box-shadow: 0 18px 40px rgba(30, 31, 38, 0.18);
  text-align: center;
  width: min(460px, 92vw);
  position: relative;
  z-index: 2;
}

.invite-card h1 {
  margin-top: 0;
  font-size: 28px;
}

.qr-wrap {
  padding: 16px;
  border-radius: 18px;
  background: #f5f6fb;
  margin: 20px 0 10px;
}

.qr-wrap img {
  width: 220px;
  height: 220px;
  object-fit: contain;
}

.notice {
  font-size: 15px;
  color: #5a5b66;
}

.tip {
  font-weight: 600;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #ffd4a3;
  color: #8a4a00;
  font-size: 12px;
  margin-bottom: 10px;
}

.invite-bg {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(47, 111, 237, 0.12);
  top: 10%;
  right: 12%;
  filter: blur(2px);
}

@media (max-width: 720px) {
  .invite-card {
    padding: 24px;
  }

  .qr-wrap img {
    width: 200px;
    height: 200px;
  }
}

@media (max-width: 900px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}