/* Shared look for the Communities and ValkMail pages — same palette as the main chat page. */
* { box-sizing: border-box; }

:root {
  --bg-color: #050b14;
  --text-color: #eaf6ff;
  --text-muted: #a7bdd1;
  --text-dim: #6b8199;
  --panel-bg: rgba(8, 18, 28, 0.72);
  --panel-border: rgba(255, 255, 255, 0.1);
  --input-bg: rgba(255, 255, 255, 0.06);
  --input-border: rgba(255, 255, 255, 0.15);
  --chip-bg: rgba(255, 255, 255, 0.08);
  --hover-bg: rgba(255, 255, 255, 0.08);
  --accent: #2fb6ac;
  --accent-ink: #04211f;
  --danger: #ff6b6b;
  --unread: #ffd166;
}

:root[data-theme="light"] {
  --bg-color: #eef3f8;
  --text-color: #10202f;
  --text-muted: #4a6478;
  --text-dim: #557085;
  --panel-bg: rgba(255, 255, 255, 0.82);
  --panel-border: rgba(10, 30, 45, 0.1);
  --input-bg: rgba(10, 30, 45, 0.05);
  --input-border: rgba(10, 30, 45, 0.15);
  --chip-bg: rgba(10, 30, 45, 0.06);
  --hover-bg: rgba(10, 30, 45, 0.06);
  --accent: #1d8f87;
  --accent-ink: #ffffff;
  --danger: #c53030;
  --unread: #b7791f;
}

html, body { margin: 0; min-height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-color) url('images/background.png') center / cover no-repeat fixed;
  color: var(--text-color);
  padding-bottom: 3rem;
}

.hidden { display: none !important; }

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

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  gap: 0.6rem;
}
.top-bar a.back { color: var(--text-muted); text-decoration: none; font-weight: 600; }
.theme-toggle {
  background: var(--chip-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-color);
  border-radius: 999px;
  width: 2.4rem;
  height: 2.4rem;
  cursor: pointer;
  font-size: 1.1rem;
}

.page { max-width: 860px; margin: 0 auto; padding: 0 1rem; }

.page-header { display: flex; align-items: center; gap: 0.8rem; margin: 0.4rem 0 1rem; flex-wrap: wrap; }
.page-header img.logo { width: 44px; height: 44px; }
.page-header h1 { margin: 0; font-size: 1.6rem; }
.page-header .subtitle { margin: 0.15rem 0 0; color: var(--text-muted); font-size: 0.92rem; }

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 1rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  margin-bottom: 1rem;
}

input[type="text"], input[type="search"], textarea, select {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-color);
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  font: inherit;
  outline: none;
}
input:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 5rem; }

.btn {
  background: var(--chip-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-color);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { background: var(--hover-bg); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 0.3rem 0.7rem; font-size: 0.85rem; }
.btn:disabled { opacity: 0.55; cursor: default; }

.row { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.row > input { flex: 1; min-width: 160px; }
.stack { display: flex; flex-direction: column; gap: 0.6rem; }

.tabs { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.8rem; }
.tab {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font: inherit;
  cursor: pointer;
}
.tab.active { background: var(--accent); color: var(--accent-ink); border-color: transparent; font-weight: 700; }

.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); font-size: 0.85rem; }
.error { color: var(--danger); font-size: 0.9rem; margin: 0.3rem 0 0; }
.empty { color: var(--text-muted); text-align: center; padding: 2rem 1rem; }

.signin-box { text-align: center; padding: 2rem 1rem; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(10px);
  padding: 0.6rem 1rem;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 50;
}
.toast.show { opacity: 1; }

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  object-fit: cover;
}

/* ---- Communities ---- */
.community-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0.8rem; }
.community-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 0.9rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  backdrop-filter: blur(10px);
  text-align: left;
  color: inherit;
  font: inherit;
}
.community-card:hover { border-color: var(--accent); }
.community-card .card-top { display: flex; align-items: center; gap: 0.6rem; }
.community-card .name { font-weight: 700; font-size: 1.05rem; overflow-wrap: anywhere; }
.community-card .desc {
  color: var(--text-muted);
  font-size: 0.88rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.joined-chip { background: var(--accent); color: var(--accent-ink); border-radius: 999px; padding: 0.05rem 0.5rem; font-size: 0.75rem; font-weight: 700; }

.c-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--chip-bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
  object-fit: cover;
}
.c-icon.big { width: 72px; height: 72px; font-size: 2.4rem; border-radius: 16px; }

.c-banner {
  height: 140px;
  border-radius: 14px 14px 0 0;
  margin: -1rem -1rem 0.8rem;
  background: linear-gradient(135deg, #1d8f87, #2c4a7a) center / cover no-repeat;
}
.c-head { display: flex; gap: 0.9rem; align-items: center; flex-wrap: wrap; }
.c-head .info { flex: 1; min-width: 180px; }
.c-head h2 { margin: 0; font-size: 1.4rem; overflow-wrap: anywhere; }
.c-about { white-space: pre-wrap; margin: 0.8rem 0 0; overflow-wrap: anywhere; }

.composer textarea { min-height: 4.5rem; }
.composer .preview-img { max-height: 160px; border-radius: 10px; }

.post { display: flex; gap: 0.7rem; }
.post + .post { border-top: 1px solid var(--panel-border); padding-top: 0.9rem; margin-top: 0.9rem; }
.post .body { flex: 1; min-width: 0; }
.post .meta { display: flex; gap: 0.5rem; align-items: baseline; flex-wrap: wrap; }
.post .author { font-weight: 700; }
.post .text { white-space: pre-wrap; overflow-wrap: anywhere; margin: 0.25rem 0 0.4rem; }
.post img.post-img { max-width: 100%; max-height: 420px; border-radius: 10px; display: block; margin-bottom: 0.4rem; }
.post .actions { display: flex; gap: 0.4rem; }
.like-btn.liked { color: #ff6b8a; border-color: #ff6b8a; }

.member-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.member { display: flex; align-items: center; gap: 0.4rem; background: var(--chip-bg); border-radius: 999px; padding: 0.2rem 0.7rem 0.2rem 0.2rem; font-size: 0.88rem; }
.member .avatar { width: 26px; height: 26px; font-size: 0.75rem; }

.icon-picker { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.icon-picker button {
  background: var(--chip-bg);
  border: 2px solid transparent;
  border-radius: 10px;
  font-size: 1.4rem;
  width: 2.6rem;
  height: 2.6rem;
  cursor: pointer;
}
.icon-picker button.selected { border-color: var(--accent); }

/* ---- ValkMail ---- */
.mail-layout { display: grid; grid-template-columns: 180px 1fr; gap: 1rem; align-items: start; }
.mail-folders { display: flex; flex-direction: column; gap: 0.4rem; }
.mail-folders .tab { text-align: left; display: flex; justify-content: space-between; }
.unread-count { background: var(--unread); color: #1a1200; border-radius: 999px; padding: 0 0.45rem; font-size: 0.78rem; font-weight: 700; }
.mail-list { list-style: none; margin: 0; padding: 0; }
.mail-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.15rem 0.8rem;
  padding: 0.7rem 0.6rem;
  border-radius: 10px;
  cursor: pointer;
}
.mail-item + .mail-item { border-top: 1px solid var(--panel-border); }
.mail-item:hover { background: var(--hover-bg); }
.mail-item .who { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-item .when { color: var(--text-dim); font-size: 0.8rem; }
.mail-item .subject { grid-column: 1 / -1; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.92rem; }
.mail-item.unread .who, .mail-item.unread .subject { color: var(--text-color); font-weight: 800; }
.mail-item.unread .who::before { content: '● '; color: var(--unread); }
.mail-view h2 { margin: 0 0 0.3rem; overflow-wrap: anywhere; }
.mail-view .mail-body { white-space: pre-wrap; overflow-wrap: anywhere; margin: 1rem 0; line-height: 1.5; }

@media (max-width: 640px) {
  .mail-layout { grid-template-columns: 1fr; }
  .mail-folders { flex-direction: row; flex-wrap: wrap; }
}