:root {
  --bg-0: #06070c;
  --bg-nav: rgba(6, 7, 12, 0.85);
  --text-primary: #f5f7ff;
  --text-secondary: #9aa1b4;
  --text-dim: #6c7286;
  --accent-cyan: #7dd3fc;
  --accent-violet: #a78bfa;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --card: rgba(255, 255, 255, 0.03);
  --card-hover: rgba(255, 255, 255, 0.055);
  --error: #f87171;
  --error-bg: rgba(248, 113, 113, 0.1);
  --ok: #6ee7b7;
  --ok-bg: rgba(110, 231, 183, 0.1);

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg-0);
  background-image:
    radial-gradient(ellipse 900px 650px at 8% 15%, rgba(124, 111, 240, 0.28), transparent 60%),
    radial-gradient(ellipse 1000px 750px at 95% 85%, rgba(45, 190, 175, 0.22), transparent 60%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-nav);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar .brand {
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-decoration: none;
}

.navbar .nav-links {
  display: flex;
  gap: 24px;
}

.navbar .nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.navbar .nav-links a:hover {
  color: var(--text-primary);
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 72px 24px 140px;
}

/* Header / hero */
.site-header {
  text-align: center;
  margin-bottom: 72px;
}

.site-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin: 0 0 14px;
  font-weight: 500;
}

.site-title {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 52px;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  background: linear-gradient(90deg, #f5faff 0%, var(--accent-cyan) 55%, var(--accent-violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.site-tagline {
  color: var(--text-secondary);
  margin: 0 auto;
  font-size: 17px;
  max-width: 520px;
  font-weight: 400;
}

.admin-link {
  display: inline-block;
  margin-top: 28px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--bg-0);
  text-decoration: none;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-violet));
  padding: 12px 22px;
  border-radius: 8px;
}

.admin-link:hover {
  filter: brightness(1.08);
}

/* Entries */
.entry {
  padding: 32px;
  margin-bottom: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.entry:hover {
  border-color: var(--border-strong);
  background: var(--card-hover);
}

.entry-image {
  display: block;
  width: 100%;
  max-height: 380px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}

.entry-date {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 12px;
  font-weight: 500;
}

.entry-title {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 26px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--text-primary);
}

.entry-body {
  color: var(--text-secondary);
}

.entry-body p {
  margin: 0 0 16px;
}

.entry-body p:last-child {
  margin-bottom: 0;
}

.empty-state {
  padding: 60px 0;
  text-align: center;
  color: var(--text-secondary);
}

.empty-state .empty-title {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 22px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

/* Admin */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  margin-bottom: 24px;
}

.panel h2 {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 19px;
  margin: 0 0 16px;
  color: var(--text-primary);
}

label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 18px 0 7px;
}

label:first-of-type {
  margin-top: 0;
}

input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 15px;
  padding: 11px 13px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-dim);
}

input:focus,
textarea:focus {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 1px;
  border-color: transparent;
}

textarea {
  min-height: 200px;
  resize: vertical;
  line-height: 1.6;
}

.hint {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 7px;
  line-height: 1.5;
}

.row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.row > div {
  flex: 1;
  min-width: 200px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text-secondary);
}

.checkbox-row input {
  width: auto;
}

button {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-violet));
  color: #06070c;
  border: none;
  border-radius: 8px;
  padding: 12px 22px;
  cursor: pointer;
  margin-top: 22px;
}

button:hover {
  filter: brightness(1.08);
}

button.secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

button.secondary:hover {
  filter: none;
  border-color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
}

button.danger {
  background: transparent;
  color: var(--error);
  border: 1px solid rgba(248, 113, 113, 0.4);
  padding: 6px 12px;
  font-size: 12px;
  margin-top: 0;
  border-radius: 6px;
}

button.danger:hover {
  filter: none;
  background: var(--error-bg);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.status {
  font-family: var(--mono);
  font-size: 13px;
  padding: 11px 13px;
  margin-top: 16px;
  border-radius: 8px;
  display: none;
}

.status.show {
  display: block;
}

.status.ok {
  background: var(--ok-bg);
  color: var(--ok);
  border: 1px solid rgba(110, 231, 183, 0.3);
}

.status.err {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.post-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.post-list-item:last-child {
  border-bottom: none;
}

.post-list-title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
}

.post-list-date {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  display: block;
  margin-top: 3px;
}

.back-link {
  display: inline-block;
  margin-bottom: 28px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
}

.back-link:hover {
  color: var(--text-primary);
}

.note-box {
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-violet);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 28px;
}

.note-box strong {
  color: var(--text-primary);
}

.note-box code {
  font-family: var(--mono);
  background: rgba(255, 255, 255, 0.06);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
}

@media (max-width: 480px) {
  .site-title {
    font-size: 36px;
  }
  .navbar {
    padding: 16px 20px;
  }
  .wrap {
    padding: 48px 16px 100px;
  }
  .entry {
    padding: 22px;
  }
}