:root {
    --bg: #f6f7f8;
    --surface: #ffffff;
    --ink: #1c2430;
    --muted: #6b7684;
    --line: #e2e6ea;
    --accent: #0f6e5a;
    --accent-ink: #ffffff;
    --accent-soft: #e4f2ee;
    --warn: #b45309;
    --warn-soft: #fdf1dc;
    --danger: #b3261e;
    --danger-soft: #fbe9e7;
    --bubble-in: #ffffff;
    --bubble-out: #dff1ea;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "Segoe UI", Tahoma, "Noto Naskh Arabic", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
h1 { font-size: 1.35rem; margin: 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

.container { max-width: 880px; margin: 0 auto; padding: 16px; }

/* شريط علوي */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.topbar__inner { max-width: 880px; margin: 0 auto; padding: 8px 16px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--ink); }
.nav { display: flex; gap: 4px; flex: 1; }
.nav a { padding: 6px 12px; border-radius: 8px; color: var(--muted); }
.nav a.is-active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.topbar__logout { margin: 0; }

/* أزرار وحقول */
.btn {
    display: inline-block; padding: 9px 16px; border-radius: 8px; border: 1px solid var(--line);
    background: var(--surface); color: var(--ink); font: inherit; cursor: pointer;
}
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn--ghost { background: transparent; }
.btn--sm { padding: 4px 12px; font-size: .9rem; }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible {
    outline: 2px solid var(--accent); outline-offset: 2px;
}

input, select, textarea {
    font: inherit; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
    background: var(--surface); color: var(--ink); width: 100%;
}
textarea { resize: vertical; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field span { font-size: .9rem; color: var(--muted); }
.check { display: flex; align-items: center; gap: 8px; }
.check input { width: auto; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.field-error { color: var(--danger); margin: 0; font-size: .9rem; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; }
.flash--ok { background: var(--accent-soft); color: var(--accent); }
.flash--error { background: var(--danger-soft); color: var(--danger); }

.login { max-width: 380px; margin: 48px auto; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.login h1 { margin-bottom: 16px; }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.page-head--chat { justify-content: flex-start; }
.page-head--chat .who { flex: 1; min-width: 160px; }
.page-head--chat .who p { margin: 0; }
.back { color: var(--muted); }

.filters { display: flex; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.filters label { display: flex; flex-direction: column; font-size: .85rem; color: var(--muted); gap: 4px; min-width: 150px; flex: 1; }

/* قائمة المحادثات */
.list { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.row { display: block; padding: 12px 16px; border-bottom: 1px solid var(--line); color: var(--ink); }
.row:last-child { border-bottom: 0; }
.row:hover { background: var(--bg); }
.row--unread { background: #f3faf8; }
.row--unread .row__name { font-weight: 700; }
.row__top { display: flex; justify-content: space-between; gap: 8px; }
.row__name { font-weight: 600; }
.row__preview { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.state { padding: 32px 16px; text-align: center; color: var(--muted); }
.state--error { color: var(--danger); }

.tags { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-top: 4px; }
.tag { display: inline-block; padding: 1px 10px; border-radius: 999px; font-size: .8rem; background: var(--accent-soft); color: var(--accent); }
.tag--warn { background: var(--warn-soft); color: var(--warn); }
.tag--soft { background: var(--bg); color: var(--muted); border: 1px solid var(--line); }
.badge { background: var(--accent); color: var(--accent-ink); border-radius: 999px; padding: 0 8px; font-size: .8rem; min-width: 22px; text-align: center; }

/* المحادثة */
.chat { display: flex; flex-direction: column; gap: 6px; padding: 12px 0; min-height: 200px; }
.day { align-self: center; font-size: .75rem; color: var(--muted); background: var(--line); padding: 1px 10px; border-radius: 999px; margin: 6px 0; }
.bubble { max-width: min(80%, 560px); padding: 8px 12px; border-radius: 12px; border: 1px solid var(--line); overflow-wrap: anywhere; }
.bubble--in { align-self: flex-end; background: var(--bubble-in); }
.bubble--out { align-self: flex-start; background: var(--bubble-out); border-color: #c9e5db; }
.bubble--failed { background: var(--danger-soft); border-color: #efc4c0; }
.bubble__body { white-space: pre-wrap; }
.bubble__meta { font-size: .72rem; color: var(--muted); display: flex; gap: 8px; margin-top: 2px; }
.bubble__error { font-size: .8rem; color: var(--danger); margin-top: 2px; }
.status--read { color: var(--accent); }
.status--failed { color: var(--danger); }

.composer { display: flex; gap: 8px; align-items: flex-end; position: sticky; bottom: 0; background: var(--bg); padding: 8px 0; }
.composer textarea { flex: 1; }
.notice { background: var(--warn-soft); color: var(--warn); padding: 12px 14px; border-radius: 8px; margin: 8px 0; }
.template-box { margin-top: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; }
.template-box summary { cursor: pointer; font-weight: 600; }
.template-box form { margin-top: 12px; }

/* العملاء المحتملون */
.chips { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.chip { padding: 4px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); }
.chip.is-active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.leads { display: flex; flex-direction: column; gap: 8px; }
.lead { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; align-items: center; }
.lead__main { display: flex; flex-direction: column; }
.lead__name { font-weight: 600; }
.lead__meta { grid-column: 1; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.lead__status { grid-column: 2; grid-row: 1 / span 2; margin: 0; }
.lead__status select { width: auto; }
nav[role="navigation"] { margin-top: 12px; }
nav[role="navigation"] svg { width: 16px; height: 16px; }

@media (max-width: 560px) {
    .container { padding: 12px; }
    .lead { grid-template-columns: 1fr; }
    .lead__status { grid-column: 1; grid-row: auto; }
    .lead__status select { width: 100%; }
    .bubble { max-width: 90%; }
}