/* Styles for the server-rendered pages. Tokens mirror frontend/src/assets/main.css. */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #dde1e6;
  --border-strong: #c4cad2;
  --text: #1c2430;
  --muted: #5f6b7a;
  --primary: #2f5bd3;
  --primary-hover: #2449b0;
  --primary-soft: #e8eefc;
  --danger: #c93636;
  --danger-soft: #fdecec;
  --radius: 8px;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 1px 3px rgb(16 24 40 / 8%);
  --focus: 0 0 0 3px rgb(47 91 211 / 25%);

  font-family:
    system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans', 'Noto Sans Bengali', sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1,
h2 {
  margin: 0;
  line-height: 1.25;
}

a {
  color: var(--primary);
}

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

/* ---------- Layout ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0.6rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.topbar nav {
  margin-left: auto;
}

.topbar nav a {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  font-weight: 500;
  text-decoration: none;
}

.topbar nav a:hover {
  background: var(--primary-soft);
}

.content {
  flex: 1;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.footer {
  padding: 1rem;
  text-align: center;
  font-size: 0.85rem;
}

/* ---------- Homepage ---------- */

.hero {
  padding: 3rem 0 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.2rem;
}

.hero p {
  max-width: 560px;
  margin: 1rem auto 0;
  font-size: 1.1rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.features .card {
  padding: 1.25rem;
}

.features h2 {
  font-size: 1.05rem;
}

.features p {
  margin: 0.4rem 0 0;
}

/* ---------- Components ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

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

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

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field > label {
  font-size: 0.875rem;
  font-weight: 600;
}

.input {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--focus);
}

.alert {
  margin: 0;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.alert-error {
  background: var(--danger-soft);
  color: var(--danger);
}

/* ---------- Login ---------- */

.login-card {
  width: min(380px, 100%);
  margin: 2rem auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-brand {
  text-align: center;
  margin-bottom: 0.5rem;
}

.login-brand h1 {
  font-size: 1.6rem;
  color: var(--primary);
}

.login-brand p {
  margin: 0.25rem 0 0;
}