/* ═══════════════════════════════════════════════════
   Kerala Nikkah Messaging — Stylesheet
   ═══════════════════════════════════════════════════ */
:root {
    --knmsg-primary:  var(--kn-primary, #1a6b3c);
    --knmsg-border:   var(--kn-border, #e2e8f0);
    --knmsg-light:    var(--kn-light, #f0f4f8);
    --knmsg-text:     var(--kn-text, #1a202c);
    --knmsg-muted:    var(--kn-text-muted, #718096);
    --knmsg-radius:   var(--kn-radius, 12px);
    --knmsg-font:     var(--kn-font-base, 'Poppins', sans-serif);
    --knmsg-height:   calc(100vh - 180px);
    --knmsg-sidebar:  320px;
}

/* ── Layout ─────────────────────────────────────────── */
.knmsg-wrap {
    display: grid;
    grid-template-columns: var(--knmsg-sidebar) 1fr;
    height: var(--knmsg-height);
    min-height: 520px;
    border: 1px solid var(--knmsg-border);
    border-radius: var(--knmsg-radius);
    overflow: hidden;
    background: white;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
}

/* ── Sidebar ─────────────────────────────────────────── */
.knmsg-sidebar {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--knmsg-border);
    background: white;
}
.knmsg-sidebar-header {
    display: flex; align-items: center; gap: 10px;
    padding: 18px 16px 12px;
    border-bottom: 1px solid var(--knmsg-border);
}
.knmsg-sidebar-title { font-size: 1rem; font-weight: 700; margin: 0; color: var(--knmsg-text); }
.knmsg-total-badge {
    background: var(--knmsg-primary); color: white;
    font-size: .7rem; font-weight: 700;
    min-width: 20px; height: 20px; padding: 0 5px;
    border-radius: 50px; display: flex; align-items: center; justify-content: center;
}
.knmsg-search-bar { padding: 10px 12px; border-bottom: 1px solid var(--knmsg-border); }
.knmsg-search-input {
    width: 100%; padding: 8px 12px;
    font-family: var(--knmsg-font); font-size: .8rem;
    background: var(--knmsg-light); border: 1px solid var(--knmsg-border);
    border-radius: 20px; outline: none; transition: border-color .2s;
}
.knmsg-search-input:focus { border-color: var(--knmsg-primary); }
.knmsg-conv-list { flex: 1; overflow-y: auto; }

/* Conversation item */
.knmsg-conv-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; cursor: pointer;
    border-bottom: 1px solid var(--knmsg-light);
    transition: background .15s;
    position: relative;
}
.knmsg-conv-item:hover { background: var(--knmsg-light); }
.knmsg-conv-item.active { background: #e8f5ee; }
.knmsg-conv-item.has-unread .knmsg-conv-last { font-weight: 600; color: var(--knmsg-text); }

.knmsg-conv-avatar {
    width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
    background: var(--knmsg-primary); color: white;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .9rem; overflow: hidden;
}
.knmsg-conv-avatar img { width: 100%; height: 100%; object-fit: cover; }

.knmsg-conv-body { flex: 1; min-width: 0; }
.knmsg-conv-name { font-size: .875rem; font-weight: 600; color: var(--knmsg-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.knmsg-conv-last { font-size: .78rem; color: var(--knmsg-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
.knmsg-conv-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; flex-shrink: 0; }
.knmsg-conv-time { font-size: .7rem; color: var(--knmsg-muted); }
.knmsg-unread-dot {
    background: var(--knmsg-primary); color: white;
    font-size: .65rem; font-weight: 700;
    min-width: 18px; height: 18px; padding: 0 4px;
    border-radius: 50px; display: flex; align-items: center; justify-content: center;
}

/* ── Main area ───────────────────────────────────────── */
.knmsg-main { display: flex; flex-direction: column; overflow: hidden; background: #fafbfc; }

.knmsg-empty-state {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center; padding: 40px;
}
.knmsg-empty-icon { font-size: 3rem; margin-bottom: 16px; }
.knmsg-empty-state h3 { font-size: 1.1rem; color: var(--knmsg-text); margin-bottom: 8px; }
.knmsg-empty-state p { color: var(--knmsg-muted); font-size: .875rem; max-width: 300px; line-height: 1.6; }

/* Chat layout */
.knmsg-chat { display: flex; flex-direction: column; height: 100%; }

.knmsg-chat-header {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; background: white;
    border-bottom: 1px solid var(--knmsg-border);
    flex-shrink: 0;
}
.knmsg-back-btn {
    display: none; background: none; border: none;
    font-size: 1.2rem; cursor: pointer; color: var(--knmsg-muted);
    padding: 4px 8px; border-radius: 6px;
}
.knmsg-back-btn:hover { background: var(--knmsg-light); }
.knmsg-chat-avatar {
    width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
    background: var(--knmsg-primary); color: white;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .85rem; overflow: hidden;
}
.knmsg-chat-avatar img { width: 100%; height: 100%; object-fit: cover; }
.knmsg-chat-info { flex: 1; }
.knmsg-chat-name   { font-size: .9rem; font-weight: 600; color: var(--knmsg-text); }
.knmsg-chat-status { font-size: .75rem; color: var(--knmsg-muted); }
.knmsg-chat-actions { display: flex; gap: 6px; }
.knmsg-icon-btn {
    background: none; border: none; font-size: 1.1rem; cursor: pointer;
    padding: 6px; border-radius: 6px; transition: background .15s;
    text-decoration: none; color: inherit;
}
.knmsg-icon-btn:hover { background: var(--knmsg-light); }

/* Thread */
.knmsg-thread { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 6px; }
.knmsg-load-more-wrap { text-align: center; margin-bottom: 12px; }
.knmsg-load-more-btn {
    background: var(--knmsg-light); border: 1px solid var(--knmsg-border);
    padding: 6px 16px; border-radius: 20px; font-size: .78rem;
    cursor: pointer; color: var(--knmsg-muted); font-family: var(--knmsg-font);
}

/* Message bubbles */
.knmsg-msg { display: flex; flex-direction: column; max-width: 72%; }
.knmsg-msg.knmsg-mine  { align-self: flex-end; align-items: flex-end; }
.knmsg-msg.knmsg-theirs{ align-self: flex-start; align-items: flex-start; }

.knmsg-bubble {
    padding: 10px 14px; border-radius: 16px;
    font-size: .875rem; line-height: 1.5;
    word-break: break-word; white-space: pre-wrap;
}
.knmsg-mine  .knmsg-bubble { background: var(--knmsg-primary); color: white; border-bottom-right-radius: 4px; }
.knmsg-theirs .knmsg-bubble { background: white; color: var(--knmsg-text); border: 1px solid var(--knmsg-border); border-bottom-left-radius: 4px; }

.knmsg-msg-time { font-size: .65rem; color: var(--knmsg-muted); margin-top: 3px; padding: 0 4px; }
.knmsg-mine .knmsg-msg-time { color: rgba(255,255,255,.65); }

/* Date separator */
.knmsg-date-sep {
    text-align: center; font-size: .72rem; color: var(--knmsg-muted);
    margin: 10px 0; position: relative;
}
.knmsg-date-sep::before, .knmsg-date-sep::after {
    content: ''; position: absolute; top: 50%;
    width: calc(50% - 60px); height: 1px; background: var(--knmsg-border);
}
.knmsg-date-sep::before { left: 0; }
.knmsg-date-sep::after  { right: 0; }

/* Compose */
.knmsg-compose { background: white; border-top: 1px solid var(--knmsg-border); padding: 10px 14px; flex-shrink: 0; }
.knmsg-compose-inner { display: flex; align-items: flex-end; gap: 10px; }
.knmsg-textarea {
    flex: 1; resize: none; padding: 10px 14px; max-height: 120px; overflow-y: auto;
    font-family: var(--knmsg-font); font-size: .875rem; color: var(--knmsg-text);
    background: var(--knmsg-light); border: 1px solid var(--knmsg-border);
    border-radius: 20px; outline: none; transition: border-color .2s; line-height: 1.5;
}
.knmsg-textarea:focus { border-color: var(--knmsg-primary); background: white; }
.knmsg-send-btn {
    width: 40px; height: 40px; flex-shrink: 0;
    background: var(--knmsg-primary); color: white; border: none;
    border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: background .2s; flex-shrink: 0;
}
.knmsg-send-btn:hover { background: #145530; }
.knmsg-send-btn:disabled { background: #cbd5e0; cursor: not-allowed; }
.knmsg-char-count { font-size: .7rem; color: var(--knmsg-muted); text-align: right; margin-top: 4px; }
.knmsg-char-count.near-limit { color: #e53e3e; }

/* ── Loading / Gate ──────────────────────────────────── */
.knmsg-loading { display: flex; align-items: center; gap: 8px; padding: 20px; justify-content: center; color: var(--knmsg-muted); font-size: .875rem; }
.knmsg-spinner { width: 16px; height: 16px; border: 2px solid var(--knmsg-border); border-top-color: var(--knmsg-primary); border-radius: 50%; animation: knmsg-spin .6s linear infinite; }
@keyframes knmsg-spin { to { transform: rotate(360deg); } }
.knmsg-gate { background: var(--knmsg-light); padding: 24px; border-radius: var(--knmsg-radius); text-align: center; }
.knmsg-gate a { color: var(--knmsg-primary); font-weight: 600; }
.knmsg-no-conv { padding: 24px; text-align: center; color: var(--knmsg-muted); font-size: .875rem; }

/* ── Notifications ───────────────────────────────────── */
.knmsg-notif-wrap { position: relative; display: inline-block; }
.knmsg-notif-bell {
    background: none; border: none; font-size: 1.3rem; cursor: pointer;
    position: relative; padding: 6px; border-radius: 8px; transition: background .15s;
}
.knmsg-notif-bell:hover { background: var(--knmsg-light); }
.knmsg-notif-badge {
    position: absolute; top: 0; right: 0;
    background: #e53e3e; color: white; font-size: .6rem; font-weight: 700;
    min-width: 16px; height: 16px; padding: 0 3px;
    border-radius: 50px; display: flex; align-items: center; justify-content: center;
    transform: translate(30%, -30%);
}
.knmsg-nav-badge {
    background: #e53e3e; color: white; font-size: .65rem; font-weight: 700;
    min-width: 17px; height: 17px; padding: 0 4px;
    border-radius: 50px; display: inline-flex; align-items: center; justify-content: center;
    margin-left: 4px; vertical-align: middle;
}
.knmsg-notif-dropdown {
    position: absolute; right: 0; top: calc(100% + 8px);
    width: 340px; background: white; border: 1px solid var(--knmsg-border);
    border-radius: var(--knmsg-radius); box-shadow: 0 12px 32px rgba(0,0,0,.14);
    z-index: 1000; overflow: hidden;
}
.knmsg-notif-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 16px; border-bottom: 1px solid var(--knmsg-border);
    font-weight: 600; font-size: .875rem; color: var(--knmsg-text);
}
.knmsg-text-btn { background: none; border: none; color: var(--knmsg-primary); font-size: .78rem; cursor: pointer; font-family: var(--knmsg-font); font-weight: 500; }
.knmsg-notif-list { max-height: 380px; overflow-y: auto; }
.knmsg-notif-item {
    display: flex; gap: 10px; padding: 12px 16px;
    border-bottom: 1px solid var(--knmsg-light); cursor: pointer;
    transition: background .15s;
}
.knmsg-notif-item:hover { background: var(--knmsg-light); }
.knmsg-notif-item.unread { background: #f0fdf4; }
.knmsg-notif-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.knmsg-notif-content { flex: 1; }
.knmsg-notif-title { font-size: .82rem; font-weight: 600; color: var(--knmsg-text); line-height: 1.4; }
.knmsg-notif-body  { font-size: .76rem; color: var(--knmsg-muted); margin-top: 2px; line-height: 1.4; }
.knmsg-notif-time  { font-size: .68rem; color: var(--knmsg-muted); margin-top: 4px; }
.knmsg-notif-empty { padding: 24px; text-align: center; color: var(--knmsg-muted); font-size: .875rem; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 700px) {
    .knmsg-wrap { grid-template-columns: 1fr; --knmsg-height: calc(100vh - 140px); }
    .knmsg-main { display: none; }
    .knmsg-main.mobile-open { display: flex; position: fixed; inset: 0; z-index: 999; background: white; }
    .knmsg-back-btn { display: flex !important; }
    .knmsg-notif-dropdown { width: 290px; right: -60px; }
}