:root {
  --green-dark: #2d4a2d;
  --green-main: #5a8a3c;
  --green-soft: #eef6e9;
  --border: #e4e7ec;
  --text: #101828;
  --muted: #667085;
  --bg: #f7faf5;
  --white: #ffffff;
  --shadow: 0 14px 40px rgba(45, 74, 45, 0.1);
  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "Inter", Arial, sans-serif;
}

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

body {
  min-width: 320px;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.header__inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 36px;
}

.logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--green-main);
}

.nav {
  margin-left: auto;
  display: flex;
  gap: 24px;
}

.nav a {
  color: var(--muted);
  font-weight: 600;
  transition: 0.2s ease;
}

.nav a:hover {
  color: var(--green-main);
}

.messages-page {
  padding: 36px 0 80px;
}

.back-link {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--green-main);
  font-weight: 700;
}

.page-head {
  margin-bottom: 24px;
}

.page-head h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 46px);
  color: var(--green-dark);
  margin-bottom: 8px;
}

.page-head p {
  color: var(--muted);
}

.tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.tab {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.2s ease;
}

.tab.active,
.tab:hover {
  background: var(--green-main);
  color: #fff;
  border-color: var(--green-main);
}

.chats-panel {
  border: 1px solid var(--border);
  border-radius: 26px;
  background: var(--white);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.chats-list {
  display: grid;
}

.chat-card {
  display: grid;
  grid-template-columns: 76px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  transition: 0.2s ease;
}

.chat-card:last-child {
  border-bottom: 0;
}

.chat-card:hover {
  background: var(--green-soft);
}

.chat-img {
  width: 76px;
  height: 76px;
  border-radius: 18px;
  object-fit: cover;
  background: var(--green-soft);
}

.chat-info {
  min-width: 0;
}

.chat-title {
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 4px;
}

.chat-meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 6px;
}

.chat-last {
  color: #344054;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 560px;
}

.chat-actions {
  text-align: right;
}

.chat-date {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 10px;
}

.open-chat {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--green-main);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
}

.loader,
.empty-state {
  padding: 46px 24px;
  text-align: center;
  color: var(--muted);
}

.empty-state h2 {
  font-family: var(--font-display);
  color: var(--green-dark);
  margin-bottom: 8px;
}

.burger {
  display: none;
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .nav.open {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 18px 35px rgba(16, 24, 40, 0.12);
  }

  .burger {
    display: grid;
    gap: 5px;
    width: 42px;
    height: 42px;
    margin-left: auto;
    place-content: center;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
  }

  .burger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--green-dark);
    border-radius: 999px;
  }

  .chat-card {
    grid-template-columns: 62px 1fr;
  }

  .chat-img {
    width: 62px;
    height: 62px;
  }

  .chat-actions {
    grid-column: 1 / -1;
    text-align: left;
  }

  .chat-last {
    max-width: 100%;
  }
}