:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --ink: #111827;
  --muted: #64748b;
  --line: #dbe3ef;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #14b8a6;
  --danger: #dc2626;
  --success-bg: #dcfce7;
  --success-text: #166534;
  --error-bg: #fee2e2;
  --error-text: #991b1b;
  --radius: 0.8rem;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(20, 184, 166, 0.13), transparent 28rem),
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.12), transparent 28rem),
    var(--bg);
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(20, 184, 166, 0.48);
  outline-offset: 3px;
}

.container {
  width: min(1180px, 92vw);
  margin: 0 auto;
}

.admin-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(219, 227, 239, 0.8);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 0;
}

.eyebrow {
  margin: 0 0 0.25rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
}

.header-actions,
.project-actions,
.card-title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.header-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.admin-main {
  padding: 2rem 0 3rem;
}

.auth-box {
  width: min(420px, 92vw);
  margin: 8vh auto;
  padding: 1.4rem;
  border: 1px solid rgba(219, 227, 239, 0.88);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.auth-box h1 {
  margin-bottom: 0.55rem;
}

.auth-box p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.6;
}

.message {
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  font-weight: 700;
}

.message.success {
  color: var(--success-text);
  background: var(--success-bg);
}

.message.error {
  color: var(--error-text);
  background: var(--error-bg);
}

.alert {
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  color: var(--error-text);
  background: var(--error-bg);
  font-weight: 750;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.mini-card,
.admin-card {
  border: 1px solid rgba(219, 227, 239, 0.88);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.mini-card {
  padding: 1rem;
}

.mini-card span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.mini-card strong {
  font-size: 1.55rem;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(0, 1.35fr);
  gap: 1rem;
  align-items: start;
}

.admin-card {
  padding: 1.2rem;
}

.card-title {
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-title h2 {
  margin-bottom: 0;
  font-size: 1.25rem;
}

label {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 0.95rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 750;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  padding: 0.78rem 0.85rem;
  color: var(--ink);
  background: white;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.btn-primary,
.btn-secondary,
.btn-logout,
.btn-edit,
.btn-delete {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.55rem;
  border: 0;
  border-radius: 0.65rem;
  padding: 0.72rem 1rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary,
.btn-edit {
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.btn-secondary {
  color: var(--primary);
  background: rgba(37, 99, 235, 0.1);
}

.btn-logout,
.btn-delete {
  color: white;
  background: var(--danger);
}

.btn-primary:hover,
.btn-secondary:hover,
.btn-logout:hover,
.btn-edit:hover,
.btn-delete:hover {
  transform: translateY(-1px);
}

.text-link {
  color: var(--primary);
  font-weight: 800;
  text-decoration: none;
}

.pill {
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  color: var(--primary);
  background: rgba(37, 99, 235, 0.1);
  font-size: 0.8rem;
  font-weight: 800;
}

.empty-state {
  margin-bottom: 0;
  color: var(--muted);
}

.projects-list {
  display: grid;
  gap: 0.85rem;
}

.project-card {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}

.project-card img {
  width: 7rem;
  aspect-ratio: 4 / 3;
  border-radius: 0.6rem;
  object-fit: cover;
  background: #eef2f7;
}

.project-body h3 {
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.project-body p {
  margin-bottom: 0.55rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tech-badge {
  border-radius: 999px;
  padding: 0.25rem 0.55rem;
  color: #0f766e;
  background: rgba(20, 184, 166, 0.12);
  font-size: 0.75rem;
  font-weight: 800;
}

.project-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.project-actions form {
  margin: 0;
}

@media (max-width: 900px) {
  .admin-grid,
  .stats-row,
  .project-card {
    grid-template-columns: 1fr;
  }

  .project-card img {
    width: 100%;
  }
}

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

  .header-actions,
  .btn-secondary,
  .btn-logout,
  .btn-edit,
  .btn-delete {
    width: 100%;
  }
}