*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: #1a2332;
  background: #eef1f6;
}

a {
  color: #0d7a6e;
}

.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.login-box {
  width: 100%;
  max-width: 400px;
  background: #fff;
  padding: 2rem;
  border-radius: 14px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.1);
}

.login-box h1 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
}

.login-hint {
  margin: 0 0 1.25rem;
  color: #5c6b7f;
  font-size: 0.95rem;
}

.login-error {
  background: #fef2f2;
  color: #b91c1c;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  font-size: 0.9rem;
}

.login-box label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.login-box input[type="text"],
.login-box input[type="password"] {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  margin-bottom: 1rem;
  font: inherit;
}

.btn-submit {
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: 999px;
  background: #0d7a6e;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.btn-submit:hover {
  background: #0a6359;
}

.login-foot {
  margin: 1.25rem 0 0;
  text-align: center;
  font-size: 0.9rem;
}

.admin-top {
  background: #0c1220;
  color: #e8edf5;
  padding: 0.75rem 1rem;
}

.admin-top-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.admin-top a {
  color: #e8edf5;
  text-decoration: none;
  margin-left: 1rem;
  font-size: 0.9rem;
}

.admin-top a:hover {
  text-decoration: underline;
}

.admin-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.banner {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1.25rem;
}

.banner--ok {
  background: #ecfdf5;
  color: #047857;
}

.banner--err {
  background: #fef2f2;
  color: #b91c1c;
}

.fieldset {
  background: #fff;
  padding: 1.5rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
}

.fieldset h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  padding-bottom: 0.5rem;
}

.admin-form label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.admin-form input[type="text"],
.admin-form input[type="email"],
.admin-form input[type="url"],
.admin-form textarea {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  font: inherit;
}

.admin-form textarea {
  resize: vertical;
  min-height: 80px;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 640px) {
  .grid2 {
    grid-template-columns: 1fr;
  }
}

.company-edit {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.company-edit h3 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: #0d7a6e;
}

.form-actions {
  position: sticky;
  bottom: 0;
  padding: 1rem 0;
  background: linear-gradient(transparent, #eef1f6 30%);
}

.form-actions .btn-submit {
  width: auto;
  min-width: 200px;
  padding: 0.85rem 1.5rem;
}

.upload-block {
  margin-bottom: 1rem;
  padding: 1rem;
  background: #f8fafc;
  border-radius: 10px;
  border: 1px dashed rgba(15, 23, 42, 0.12);
}

.upload-label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  color: #1a2332;
}

.upload-preview {
  margin-bottom: 0.75rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.1);
  max-width: 320px;
  background: #e2e8f0;
}

.upload-preview img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
}

.upload-preview--sm {
  max-width: 200px;
}

.upload-preview--sm img {
  max-height: 120px;
}

.upload-file {
  display: block;
  cursor: pointer;
  margin: 0;
  position: relative;
}

.upload-file input[type="file"] {
  position: absolute;
  width: 0.1px;
  height: 0.1px;
  opacity: 0;
  overflow: hidden;
  z-index: -1;
}

.upload-file-btn {
  display: inline-block;
  padding: 0.55rem 1rem;
  background: #0d7a6e;
  color: #fff;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
}

.upload-file:hover .upload-file-btn {
  background: #0a6359;
}