:root {
  --green: #2c5435;
  --green-deep: #1e3a25;
  --blue: #1d67cd;
  --blue-soft: #e5ebfa;
  --ink: #1a1a1a;
  --muted: #605e5e;
  --line: #d8d8d8;
  --danger: #c0392b;
  --surface: #f3f6f4;
  --card: #ffffff;
  --shadow: 0 18px 50px rgba(30, 58, 37, 0.12);
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Sarabun", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

html {
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(29, 103, 205, 0.14), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(44, 84, 53, 0.18), transparent 55%),
    linear-gradient(180deg, #eef3ef 0%, var(--surface) 40%, #e7ece8 100%);
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  display: flex;
  flex-direction: column;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip:focus {
  left: 12px;
  top: 12px;
  background: #fff;
  padding: 8px 12px;
  z-index: 10;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem clamp(1rem, 4vw, 3rem);
}

.brand {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.brand img {
  width: 72px;
  height: auto;
  filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.12));
}

.brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--green);
  line-height: 1.05;
}

.brand em {
  display: block;
  font-style: normal;
  font-size: 0.92rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

main {
  flex: 1;
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto 2.5rem;
}

.hero {
  animation: rise 0.55s ease-out both;
}

.panel {
  background: color-mix(in srgb, var(--card) 92%, transparent);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(44, 84, 53, 0.12);
  box-shadow: var(--shadow);
  border-radius: 18px;
  padding: clamp(1.4rem, 3vw, 2.2rem);
}

.panel.danger {
  border-color: color-mix(in srgb, var(--danger) 35%, white);
}

.eyebrow {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--blue);
}

h1,
h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.1;
  margin: 0 0 0.6rem;
  color: var(--green-deep);
}

h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 500;
}

h2 {
  font-size: 1.35rem;
}

.lede {
  margin: 0 0 1.4rem;
  color: var(--muted);
  max-width: 38rem;
}

.stack {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--green-deep);
}

input[type="text"],
input[type="password"],
input[type="file"],
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  font: inherit;
  background: #fff;
  color: var(--ink);
}

input:focus,
textarea:focus,
button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

textarea {
  resize: vertical;
  min-height: 110px;
}

.btn {
  appearance: none;
  border: none;
  border-radius: 10px;
  padding: 0.9rem 1.25rem;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 10px 24px rgba(44, 84, 53, 0.28);
}

.btn.primary:hover {
  background: var(--green-deep);
}

.btn.danger {
  background: var(--danger);
  color: #fff;
}

.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--green-deep);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.hint {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.status {
  min-height: 1.4em;
  margin: 0;
  font-weight: 600;
}

.status.ok {
  color: var(--green);
}

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

.meta {
  font-size: 0.95rem;
}

.muted {
  color: var(--muted);
}

.progress {
  height: 8px;
  border-radius: 999px;
  background: #dde5df;
  overflow: hidden;
}

.progress > span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--green), var(--blue));
  transition: width 0.2s ease;
}

.foot {
  padding: 1.5rem clamp(1rem, 4vw, 3rem) 2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.foot p {
  margin: 0.2rem 0;
}

.admin-wrap {
  display: grid;
  gap: 1.25rem;
  width: min(980px, 100%);
}

.admin-head,
.row-between {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--muted);
}

.tag {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 600;
}

.tag.gone {
  background: #f8e8e6;
  color: var(--danger);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 640px) {
  .admin-head,
  .row-between {
    flex-direction: column;
    align-items: stretch;
  }
  .brand img {
    width: 56px;
  }
}