:root {
  --ink: #173c34;
  --muted: #5f716b;
  --line: #dce5e1;
  --paper: #ffffff;
  --canvas: #f4f7f5;
  --accent: #0f766e;
  --accent-dark: #0a5b54;
  --warm: #edb86b;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
button, input { font: inherit; }
button { cursor: pointer; }

.auth-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(360px, .9fr); }
.auth-brand { padding: clamp(40px, 8vw, 120px); display: flex; flex-direction: column; justify-content: space-between; background: linear-gradient(145deg, #173c34, #0d675e); color: #fff; }
.brand-mark { letter-spacing: .14em; font-size: 13px; font-weight: 750; text-transform: uppercase; }
.auth-brand h1 { max-width: 600px; margin: 52px 0 16px; font-size: clamp(40px, 5vw, 68px); line-height: 1.02; letter-spacing: -.05em; }
.auth-brand p { max-width: 480px; margin: 0; font-size: 19px; line-height: 1.55; color: #d4e7e1; }
.auth-note { font-size: 14px; color: #b7d3ca; }
.auth-panel { display: grid; place-items: center; padding: 32px; background: var(--paper); }
.auth-card { width: min(420px, 100%); }
.eyebrow { margin: 0 0 10px; color: var(--accent); font-weight: 750; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
h2 { margin: 0; font-size: 34px; letter-spacing: -.04em; }
.lead { color: var(--muted); line-height: 1.55; margin: 12px 0 30px; }
label { display: block; font-size: 14px; font-weight: 700; margin: 16px 0 7px; }
input { width: 100%; border: 1px solid #b9c9c2; border-radius: 9px; padding: 13px 14px; color: var(--ink); background: #fff; }
input:focus { outline: 3px solid #c5e6df; border-color: var(--accent); }
.button { border: 0; border-radius: 9px; padding: 13px 18px; background: var(--accent); color: #fff; font-weight: 750; }
.button:hover { background: var(--accent-dark); }
.button.secondary { color: var(--ink); background: #e7efeb; }
.button.full { width: 100%; margin-top: 25px; }
.text-button { margin-top: 16px; padding: 0; border: 0; background: transparent; color: var(--accent); font-weight: 700; }
.form-message { min-height: 22px; margin: 16px 0 0; color: #9d2f22; font-size: 14px; line-height: 1.4; }
.form-message.success { color: #176b45; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 270px minmax(0, 1fr); }
.sidebar { padding: 30px 18px; background: var(--ink); color: #fff; display: flex; flex-direction: column; }
.sidebar .brand-mark { padding: 0 12px; }
.sidebar h1 { margin: 8px 12px 34px; font-size: 21px; letter-spacing: -.03em; }
.nav { display: grid; gap: 6px; }
.nav button { text-align: left; border: 0; border-radius: 8px; padding: 12px; background: transparent; color: #d3e4de; font-weight: 650; }
.nav button:hover, .nav button.active { background: #2b554b; color: #fff; }
.sidebar-footer { margin-top: auto; padding: 18px 12px 0; border-top: 1px solid #40665c; color: #bcd4cd; font-size: 13px; }
.signout { margin-top: 12px; border: 0; background: transparent; padding: 0; color: #fff; font-weight: 700; }
.content { padding: clamp(28px, 5vw, 70px); max-width: 1260px; width: 100%; }
.topline { display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 14px; }
.page-title { margin: 16px 0 8px; font-size: clamp(34px, 5vw, 50px); letter-spacing: -.055em; }
.page-intro { max-width: 680px; color: var(--muted); line-height: 1.6; margin: 0 0 34px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.card { min-height: 155px; border: 1px solid var(--line); border-radius: 14px; padding: 22px; background: var(--paper); box-shadow: 0 3px 14px rgba(16, 52, 43, .035); }
.card h3 { margin: 9px 0; font-size: 18px; letter-spacing: -.02em; }
.card p { margin: 0; color: var(--muted); line-height: 1.45; font-size: 14px; }
.tag { display: inline-block; border-radius: 999px; padding: 5px 9px; background: #e4f2ee; color: #176b60; font-size: 12px; font-weight: 750; }
.section-title { margin: 46px 0 16px; font-size: 23px; letter-spacing: -.03em; }
.article-list { display: grid; gap: 12px; }
.article { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 20px; background: var(--paper); text-align: left; color: var(--ink); }
.article:hover { border-color: #8bbcb0; }
.article h3 { margin: 7px 0; font-size: 18px; }
.article p { margin: 0; color: var(--muted); line-height: 1.5; }
.empty { border: 1px dashed #a9bcb5; border-radius: 12px; padding: 28px; color: var(--muted); background: #fbfdfc; line-height: 1.55; }
.article-content { max-width: 800px; border: 1px solid var(--line); border-radius: 14px; padding: clamp(24px, 4vw, 48px); background: var(--paper); white-space: pre-wrap; line-height: 1.7; }
.admin-grid { display: grid; grid-template-columns: minmax(250px, .7fr) minmax(350px, 1.3fr); gap: 18px; align-items: start; }
.admin-panel { border: 1px solid var(--line); border-radius: 14px; padding: 22px; background: var(--paper); }
.admin-panel h3 { margin: 0 0 10px; font-size: 19px; }
.compact-form { display: grid; gap: 10px; }
.compact-form input, .compact-form textarea, .compact-form select { width: 100%; border: 1px solid #b9c9c2; border-radius: 9px; padding: 11px 12px; color: var(--ink); background: #fff; }
.compact-form textarea { min-height: 82px; resize: vertical; }
.compact-form .article-editor { min-height: 230px; }
.check { margin: 3px 0; display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 650; }
.check input { width: auto; }
.admin-list { display: grid; gap: 12px; }
.admin-row { display: flex; gap: 18px; align-items: start; justify-content: space-between; border: 1px solid var(--line); border-radius: 12px; padding: 18px; background: var(--paper); }
.admin-row h3 { margin: 7px 0; font-size: 17px; }
.admin-row p { margin: 0; color: var(--muted); line-height: 1.45; }
.row-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.danger { color: #a13225; margin: 0; }

@media (max-width: 760px) {
  .auth-shell, .app-shell { grid-template-columns: 1fr; }
  .auth-brand { min-height: 300px; padding: 34px; }
  .auth-brand h1 { margin-top: 38px; }
  .sidebar { padding: 18px; }
  .sidebar h1 { margin-bottom: 16px; }
  .nav { grid-template-columns: repeat(2, 1fr); }
  .sidebar-footer { display: none; }
  .admin-grid { grid-template-columns: 1fr; }
  .admin-row { display: grid; }
}