:root {
  --bg: #faf6f1;
  --card: #ffffff;
  --ink: #241f1c;
  --ink-secondary: #736b64;
  --border: #ece3da;
  --accent: #c6597a;
  --accent-dark: #a83f60;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.logo {
  height: 34px;
  width: auto;
  display: block;
}

nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#userGreeting {
  font-weight: 700;
  color: var(--ink);
}

.btn {
  padding: 0.55rem 1.3rem;
  border-radius: 999px;
  border: none;
  font-size: 0.9rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
}

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}

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

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--ink);
}

.hero {
  text-align: center;
  padding: 3.5rem 1.5rem 2rem;
}

.hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
}

.hero p {
  color: var(--ink-secondary);
}

.feed {
  max-width: 560px;
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
}

.feed h2 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--ink-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.post-card {
  display: flex;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1rem 1.1rem;
  margin-bottom: 0.75rem;
}

.post-avatar {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.95rem;
}

.post-body p:first-child {
  font-weight: 800;
  margin-bottom: 2px;
}

.post-body p:last-child {
  color: var(--ink-secondary);
}

.feed-hint {
  text-align: center;
  color: var(--ink-secondary);
  font-size: 0.9rem;
  margin-top: 1.5rem;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(36, 31, 28, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--card);
  border-radius: 20px;
  padding: 2rem;
  width: 90%;
  max-width: 360px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--ink-secondary);
}

#authForm {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

#authForm input {
  padding: 0.65rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 1rem;
  background: var(--bg);
  color: var(--ink);
}

#authForm input:focus {
  outline: none;
  border-color: var(--accent);
}

.hidden {
  display: none !important;
}

#authMessage {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--ink-secondary);
}

.site-footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--ink-secondary);
  font-size: 0.85rem;
}