:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #080a0f;
  color: #f6f8fb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 25% 12%, rgba(18, 199, 223, 0.18), transparent 28%),
    linear-gradient(140deg, #080a0f 0%, #11141c 48%, #080a0f 100%);
}

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
}

.shell-wide {
  place-items: start center;
}

.panel {
  width: min(720px, 100%);
  border: 1px solid #252b3b;
  background: rgba(14, 17, 25, 0.94);
  border-radius: 12px;
  padding: 42px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

.brand {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand span:last-child {
  color: #13c9df;
}

.mark {
  color: #fff;
}

.subtitle {
  color: #9aa3b7;
  margin: 10px 0 34px;
  font-size: 18px;
}

.form {
  display: grid;
  gap: 18px;
}

label {
  display: grid;
  gap: 8px;
  color: #aab3c5;
  font-weight: 650;
}

input {
  width: 100%;
  min-height: 52px;
  border: 1px solid #30384d;
  background: #090b11;
  color: #f7f9fc;
  border-radius: 8px;
  padding: 0 14px;
  font-size: 16px;
}

select {
  width: 100%;
  min-height: 52px;
  border: 1px solid #30384d;
  background: #090b11;
  color: #f7f9fc;
  border-radius: 8px;
  padding: 0 14px;
  font-size: 16px;
}

input[type="file"] {
  padding: 14px;
}

.dropzone {
  display: grid;
  place-items: center;
  min-height: 120px;
  border: 2px dashed #30384d;
  border-radius: 10px;
  background: rgba(9, 11, 17, 0.58);
  color: #d7ddea;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.dropzone strong,
.dropzone small {
  display: block;
}

.dropzone small {
  margin-top: 6px;
  color: #8791a7;
  font-size: 14px;
}

.dropzone.is-dragging {
  border-color: #13c9df;
  background: rgba(19, 201, 223, 0.12);
  color: #ffffff;
}

.file-status {
  color: #8791a7;
  font-size: 14px;
  overflow-wrap: anywhere;
}

input:focus,
select:focus {
  outline: 2px solid #13c9df;
  border-color: transparent;
}

button {
  min-height: 54px;
  border: 0;
  border-radius: 8px;
  background: #13c9df;
  color: #001014;
  font-weight: 800;
  font-size: 17px;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.result {
  margin-top: 24px;
  border: 1px solid #244252;
  background: #0c1b22;
  border-radius: 10px;
  padding: 18px;
  display: grid;
  gap: 12px;
}

.result.error {
  border-color: #673033;
  background: #251114;
  color: #ffb5b5;
}

.result a {
  color: #29d8ef;
  overflow-wrap: anywhere;
}

.result button {
  width: max-content;
  min-height: 38px;
  padding: 0 14px;
  font-size: 14px;
}

.admin-panel {
  width: min(1120px, 100%);
}

.admin-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
}

.text-link {
  color: #29d8ef;
  font-weight: 700;
  text-decoration: none;
}

.admin-login {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 160px;
  gap: 14px;
  align-items: end;
  margin-bottom: 20px;
}

.admin-tools {
  display: grid;
  gap: 12px;
  margin: 18px 0;
}

.summary {
  color: #aab3c5;
  font-weight: 700;
}

.tool-row,
.page-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tool-row button,
.page-actions button {
  width: auto;
  min-height: 40px;
  padding: 0 14px;
  font-size: 14px;
}

.page-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-item,
.empty {
  border: 1px solid #273047;
  background: #0a0d14;
  border-radius: 10px;
  padding: 16px;
}

.page-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
}

.page-select {
  display: block;
  padding-top: 4px;
}

.page-select input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  padding: 0;
  accent-color: #13c9df;
}

.page-main h2 {
  margin: 0 0 8px;
  font-size: 17px;
  color: #f6f8fb;
  overflow-wrap: anywhere;
}

.page-main a {
  color: #29d8ef;
  overflow-wrap: anywhere;
}

.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 10px;
  color: #8791a7;
  font-size: 14px;
}

.empty {
  color: #8791a7;
}

@media (max-width: 560px) {
  .shell {
    padding: 16px;
  }

  .panel {
    padding: 28px 20px;
  }

  .brand {
    font-size: 30px;
  }

  .admin-login,
  .page-item {
    grid-template-columns: 1fr;
  }

  .page-select {
    padding-top: 0;
  }
}