:root {
  --bg-color: #f4f7fb;
  --card-color: #ffffff;
  --text-color: #16213f;
  --muted-color: #51607a;
  --accent-color: #0d5bd7;
  --accent-color-hover: #0945a5;
  --danger-color: #b91c1c;
  --success-color: #157347;
  --border-color: #d7ddea;
  --shadow: 0 16px 34px rgba(20, 36, 75, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: linear-gradient(160deg, #edf2f8 0%, #f6f7fc 55%, #eef8f6 100%);
  color: var(--text-color);
  position: relative;
}

.background-glow {
  position: fixed;
  border-radius: 999px;
  filter: blur(60px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.background-glow-1 {
  width: 280px;
  height: 280px;
  left: -40px;
  top: 20px;
  background: #95b8ff;
}

.background-glow-2 {
  width: 240px;
  height: 240px;
  right: 0;
  bottom: 60px;
  background: #8edac4;
}

.topbar {
  position: relative;
  z-index: 1;
  max-width: 1040px;
  margin: 0 auto;
  padding: 24px 20px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.topbar h1 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: 0.2px;
}

.layout {
  position: relative;
  z-index: 1;
  max-width: 1040px;
  margin: 0 auto;
  padding: 8px 20px 36px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.card {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.card h2 {
  margin: 0;
  font-size: 1.35rem;
}

.hint {
  margin: 8px 0 16px;
  color: var(--muted-color);
  font-size: 0.95rem;
}

form {
  display: grid;
  gap: 10px;
}

label {
  margin-top: 8px;
  font-size: 0.95rem;
  color: var(--muted-color);
}

input[type="text"],
input[type="date"],
input[type="password"],
input[type="file"] {
  width: 100%;
  border: 1px solid var(--border-color);
  background: #fff;
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text-color);
  font-size: 1rem;
}

input:focus {
  outline: 2px solid #8ab2ff;
  outline-offset: 1px;
}

.primary-button,
.secondary-button {
  border: 0;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.08s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.primary-button {
  margin-top: 12px;
  background: var(--accent-color);
  color: #fff;
  font-weight: 600;
}

.primary-button:hover {
  background: var(--accent-color-hover);
}

.secondary-button {
  background: #e7edf9;
  color: #21345d;
}

.secondary-button:hover {
  background: #dae5fb;
}

.primary-button:active,
.secondary-button:active {
  transform: translateY(1px);
}

.primary-button:disabled,
.secondary-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.progress-wrap {
  margin-top: 16px;
}

.progress-track {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: #e8edf7;
  overflow: hidden;
}

.progress-bar {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #2d80ff, #42bd9a);
  transition: width 0.1s linear;
}

.progress-wrap.preparing .progress-bar {
  width: 34% !important;
  transition: none;
  animation: preparing-progress-slide 1.2s linear infinite;
}

@keyframes preparing-progress-slide {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(260%);
  }
}

.progress-text {
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--muted-color);
}

.status-message {
  margin: 12px 0 0;
  min-height: 1.35em;
  font-size: 0.95rem;
}

.status-message.info {
  color: var(--muted-color);
}

.status-message.success {
  color: var(--success-color);
}

.status-message.error {
  color: var(--danger-color);
}

.hidden {
  display: none;
}

.admin-actions {
  margin-top: 6px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.live-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--muted-color);
  user-select: none;
}

.live-toggle input {
  margin: 0;
}

.table-wrap {
  margin-top: 12px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow-x: auto;
}

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

th,
td {
  text-align: left;
  border-bottom: 1px solid #e5eaf5;
  padding: 10px;
  vertical-align: top;
  font-size: 0.92rem;
}

th {
  font-size: 0.86rem;
  color: #42506e;
  background: #f8faff;
}

.action-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.download-preset {
  border: 1px solid var(--border-color);
  background: #fff;
  border-radius: 8px;
  padding: 6px 8px;
  color: var(--text-color);
  font-size: 0.88rem;
}

.download-link {
  display: inline-block;
  color: var(--accent-color);
  text-decoration: none;
  font-size: 0.9rem;
}

.download-link:hover {
  text-decoration: underline;
}

.danger-button {
  border: 0;
  border-radius: 8px;
  padding: 8px 10px;
  background: #fbe7e7;
  color: #7f1414;
  cursor: pointer;
  font-size: 0.88rem;
}

.danger-button:hover {
  background: #f8d2d2;
}

.history-tools {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
}

.tiny-button {
  border: 1px solid #ccd7ee;
  border-radius: 8px;
  background: #f5f8ff;
  color: #2f456f;
  font-size: 0.8rem;
  padding: 5px 9px;
  cursor: pointer;
}

.tiny-button:hover {
  background: #eaf0fd;
}

.tiny-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.empty-row {
  text-align: center;
  color: var(--muted-color);
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .card {
    padding: 18px;
  }
}