body {
  font-family: 'Montserrat', 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(135deg, #181018 60%, #2d0b13 100%);
  color: #f2f2f2;
  margin: 0;
  padding: 0;
}

header {
  background: linear-gradient(90deg, #6b0f1a 60%, #c02425 100%);
  color: #fff;
  padding: 2rem 0 1rem 0;
  text-align: center;
  box-shadow: 0 2px 16px rgba(107,15,26,0.25);
  letter-spacing: 2px;
  border-bottom: 3px solid #c02425;
}

.menu-toggle {
  display: inline-block;
  cursor: pointer;
  margin: 0.5em auto 0 auto;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 101;
}
.menu-toggle span {
  display: block;
  height: 5px;
  width: 100%;
  background: #c02425;
  margin: 7px 0;
  border-radius: 3px;
  transition: 0.3s;
}
.menu {
  display: none;
  flex-direction: column;
  align-items: center;
  background: #1a101a;
  position: absolute;
  top: 80px;
  left: 0;
  width: 100%;
  box-shadow: 0 2px 16px rgba(192,36,37,0.13);
  border-bottom: 2px solid #6b0f1a;
  padding-bottom: 1em;
}
.menu.open {
  display: flex;
}
.menu a {
  margin: 1em 0;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: #c02425;
  background: transparent;
  border-radius: 6px;
  padding: 0.5em 1.2em;
  transition: background 0.2s, color 0.2s;
}
.menu a:hover {
  background: #c02425;
  color: #fff;
}
@media (min-width: 700px) {
  .menu-toggle {
    display: none;
  }
  .menu {
    display: flex !important;
    position: static;
    flex-direction: row;
    justify-content: center;
    background: none;
    box-shadow: none;
    border-bottom: none;
    padding-bottom: 0;
  }
  .menu a {
    margin: 0 1.2em;
    font-size: 1.1rem;
  }
}

main {
  max-width: 900px;
  margin: 2rem auto;
  background: linear-gradient(135deg, #231223 60%, #2a162a 100%);
  border-radius: 16px;
  box-shadow: 0 4px 32px rgba(192,36,37,0.18);
  padding: 2.5rem 2rem;
  border: 1px solid #6b0f1a;
}

h1, h2, h3 {
  color: #c02425;
  font-family: 'Montserrat', 'Segoe UI', Arial, sans-serif;
  font-weight: 700;
  margin-bottom: 0.7em;
  letter-spacing: 1px;
}

.card {
  background: linear-gradient(135deg, #2a162a 60%, #231223 100%);
  border-radius: 16px;
  box-shadow: 0 2px 16px rgba(192,36,37,0.13);
  padding: 2rem;
  margin: 2rem 0;
  border: 1px solid #c02425;
}

.btn, button {
  background: linear-gradient(90deg, #c02425 60%, #6b0f1a 100%);
  color: #fff;
  border: none;
  border-radius: 7px;
  padding: 0.7em 1.6em;
  font-weight: bold;
  font-size: 1rem;
  margin: 0.5em 0.2em;
  box-shadow: 0 2px 8px rgba(192,36,37,0.12);
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  letter-spacing: 1px;
}
.btn:hover, button:hover {
  background: linear-gradient(90deg, #6b0f1a 60%, #c02425 100%);
  box-shadow: 0 4px 16px rgba(192,36,37,0.18);
}

.file-list {
  margin-top: 2rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  background: #231223;
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(192,36,37,0.10);
  overflow: hidden;
}
th, td {
  padding: 12px 8px;
  text-align: left;
  border-bottom: 1px solid #2a162a;
}
th {
  background: #2a162a;
  color: #ffb347;
  font-size: 1.05em;
}
tr:last-child td {
  border-bottom: none;
}
.file-link {
  color: #ffb347;
  text-decoration: underline;
  font-weight: bold;
  font-size: 0.98em;
}
.private {
  color: #ffb347;
  font-weight: bold;
}
.expired {
  color: #ff4e4e;
  font-weight: bold;
}
.meta {
  font-size: 0.95em;
}
input[type=text][readonly] {
  background: #fff0f0;
  color: #a00;
  border: 1px solid #ff4e4e;
  border-radius: 5px;
  padding: 4px 8px;
  font-size: 0.95em;
}
form {
  margin: 28px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
}
input[type=file], input[type=number], select {
  color: #fff;
  background: #4e0b1a;
  border-radius: 5px;
  border: 1px solid #c02425;
  padding: 8px;
  font-size: 1rem;
}
input[type=number] {
  width: 180px;
}
@media (max-width: 600px) {
  main {
    padding: 1rem;
  }
  nav {
    gap: 1rem;
    flex-direction: column;
    align-items: center;
  }
  table, th, td {
    font-size: 0.95em;
    padding: 8px 4px;
  }
}

footer {
  background: linear-gradient(90deg, #6b0f1a 60%, #c02425 100%);
  color: #fff;
  text-align: center;
  padding: 1.2rem 0;
  margin-top: 2rem;
  font-size: 1rem;
  letter-spacing: 1px;
  box-shadow: 0 -2px 16px rgba(107,15,26,0.18);
  border-top: 2px solid #c02425;
}