/* ==========================================================================
   VIMC CRM — styles.css
   Phong cách VIMC: nền kem, xanh ô-liu đậm, cam đất, tiêu đề serif.
   Dùng tốt trên máy tính và điện thoại. Không dùng framework.
   ========================================================================== */

:root {
  --bg: #FAF6EF;
  --surface: #FFFFFF;
  --surface-soft: #F3EDDF;
  --ink: #2E2A22;
  --ink-soft: #6B6455;
  --olive: #4A5D23;
  --olive-dark: #3E4F1E;
  --olive-soft: #E7EBD8;
  --clay: #C2703D;
  --clay-dark: #A85A2C;
  --clay-soft: #F7E8DA;
  --line: #E4DCCB;
  --danger: #9E2B25;
  --danger-soft: #FBE9E7;
  --ok: #2F6B3A;
  --ok-soft: #E6F2E8;
  --warn-bg: #FFF3CD;
  --warn-ink: #7A5A00;
  --radius: 12px;
  --shadow: 0 1px 4px rgba(46, 42, 34, 0.08);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

h1, h2, h3, h4, .brand-name {
  font-family: Georgia, "Noto Serif", "Times New Roman", serif;
  color: var(--olive-dark);
  letter-spacing: normal; /* tuyệt đối không giãn chữ tiêu đề */
  margin: 0 0 8px;
}

h1 { font-size: 26px; }
h2 { font-size: 21px; }
h3 { font-size: 17px; }

a { color: var(--olive); }
a:hover { color: var(--clay); }

.loading { padding: 48px 24px; text-align: center; color: var(--ink-soft); }

/* ---------- Banner chế độ xem thử ---------- */
.demo-banner {
  background: var(--warn-bg);
  color: var(--warn-ink);
  border-bottom: 2px solid #E0A800;
  padding: 10px 18px;
  font-weight: 700;
  text-align: center;
  font-size: 14px;
}

/* ---------- Bố cục chính ---------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 248px;
  flex-shrink: 0;
  background: var(--olive-dark);
  color: #F4F1E6;
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-name { color: #FBF8EF; font-size: 22px; margin-bottom: 2px; }
.brand-sub { font-size: 12.5px; color: #C9D2A8; margin-bottom: 18px; line-height: 1.45; }

.nav-link {
  display: block;
  padding: 9px 12px;
  border-radius: 8px;
  color: #EDEAD9;
  text-decoration: none;
  font-size: 14.5px;
}
.nav-link:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.nav-link.active { background: var(--clay); color: #fff; font-weight: 700; }

.sidebar-user {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 13px;
  color: #D8DCC2;
}
.sidebar-user .role-badge { margin-top: 6px; }
.btn-logout {
  margin-top: 10px;
  width: 100%;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #fff;
}

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.content { padding: 22px 26px 16px; flex: 1; }

.page-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; margin-bottom: 16px; }
.page-head p { margin: 0; color: var(--ink-soft); }

.footer {
  padding: 16px 26px 22px;
  color: var(--ink-soft);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

/* ---------- Thẻ, lưới ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 18px;
}
.card h3 { margin-bottom: 10px; }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.stat-num { font-size: 30px; font-weight: 800; color: var(--olive-dark); line-height: 1.1; }
.stat-label { color: var(--ink-soft); font-size: 13.5px; }
.stat-sub { font-size: 13px; color: var(--clay-dark); margin-top: 4px; }

/* ---------- Bảng ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--olive-dark); font-size: 13px; text-transform: none; background: var(--surface-soft); white-space: nowrap; }
tr:hover td { background: #FCFAF4; }
.muted { color: var(--ink-soft); }
.small { font-size: 13px; }
.nowrap { white-space: nowrap; }

/* ---------- Huy hiệu trạng thái / vai trò ---------- */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
}
.badge-olive { background: var(--olive-soft); color: var(--olive-dark); }
.badge-clay { background: var(--clay-soft); color: var(--clay-dark); }
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-grey { background: #EDEBE6; color: var(--ink-soft); }
.badge-warn { background: var(--warn-bg); color: var(--warn-ink); }

/* ---------- Nút, form ---------- */
.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  background: var(--olive);
  color: #fff;
}
.btn:hover { background: var(--olive-dark); color: #fff; }
.btn-clay { background: var(--clay); }
.btn-clay:hover { background: var(--clay-dark); }
.btn-ghost { background: #fff; border: 1px solid var(--line); color: var(--olive-dark); }
.btn-ghost:hover { background: var(--surface-soft); color: var(--olive-dark); }
.btn-danger { background: var(--danger); }
.btn-sm { padding: 5px 10px; font-size: 13px; border-radius: 6px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
.toolbar .spacer { flex: 1; }

label { display: block; font-weight: 700; font-size: 13.5px; color: var(--olive-dark); margin: 12px 0 4px; }
input[type="text"], input[type="email"], input[type="password"], input[type="tel"],
input[type="number"], input[type="date"], input[type="datetime-local"],
select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid #CFC7B2;
  border-radius: 8px;
  font-size: 14.5px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--olive); outline-offset: 0; border-color: var(--olive); }
textarea { min-height: 84px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-actions { margin-top: 16px; display: flex; gap: 10px; flex-wrap: wrap; }
.hint { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }
.error-box {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid #E5B8B4;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 14px;
  font-weight: 600;
}
.ok-box {
  background: var(--ok-soft);
  color: var(--ok);
  border: 1px solid #BFDCC4;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 14px;
  font-weight: 600;
}
.info-box {
  background: var(--olive-soft);
  border: 1px solid #CBD5A8;
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 14px;
}
.locked-box {
  background: var(--surface-soft);
  border: 1px dashed #CFC7B2;
  border-radius: 8px;
  padding: 14px;
  color: var(--ink-soft);
}

/* ---------- Đăng nhập ---------- */
.login-wrap { max-width: 520px; margin: 48px auto; padding: 0 16px; }
.login-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 28px 30px; }
.login-card h1 { text-align: center; }
.login-card .brand-sub { text-align: center; color: var(--ink-soft); }
.demo-roles { display: grid; gap: 8px; margin-top: 10px; }
.demo-roles .btn { text-align: left; }

/* ---------- Thanh bar báo cáo ---------- */
.bar-row { display: flex; align-items: center; gap: 10px; margin: 8px 0; font-size: 13.5px; }
.bar-label { width: 220px; flex-shrink: 0; }
.bar-track { flex: 1; background: var(--surface-soft); border-radius: 6px; height: 18px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--olive); border-radius: 6px; }
.bar-fill.clay { background: var(--clay); }
.bar-value { width: 130px; text-align: right; font-weight: 700; white-space: nowrap; }

/* ---------- Zalo mô phỏng ---------- */
.zalo-note {
  background: var(--warn-bg);
  border: 1px solid #E0A800;
  color: var(--warn-ink);
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 700;
  margin-bottom: 14px;
}
.chat-box { background: #F4F1E8; border: 1px solid var(--line); border-radius: 12px; padding: 16px; max-width: 640px; }
.msg { max-width: 80%; padding: 9px 13px; border-radius: 12px; margin-bottom: 10px; font-size: 14.5px; }
.msg-in { background: #fff; border: 1px solid var(--line); margin-right: auto; border-bottom-left-radius: 3px; }
.msg-out { background: #DCE8C4; margin-left: auto; border-bottom-right-radius: 3px; }
.msg-meta { font-size: 12px; color: var(--ink-soft); margin-bottom: 3px; font-weight: 700; }
.stage-chip { display: inline-block; background: var(--olive-soft); color: var(--olive-dark); border-radius: 999px; padding: 2px 10px; font-size: 12.5px; font-weight: 700; margin-right: 6px; }

/* ---------- Chi tiết khách ---------- */
.kv { display: grid; grid-template-columns: 170px 1fr; gap: 4px 12px; font-size: 14.5px; }
.kv dt { font-weight: 700; color: var(--olive-dark); }
.kv dd { margin: 0; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.tabs .btn.active { background: var(--clay); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .sidebar { width: 200px; }
}
@media (max-width: 680px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; padding: 14px; }
  .sidebar nav { display: flex; flex-wrap: wrap; gap: 4px; }
  .nav-link { padding: 7px 10px; }
  .sidebar-user { margin-top: 12px; }
  .content { padding: 16px 14px 10px; }
  .grid-4, .grid-2, .form-row { grid-template-columns: 1fr; }
  .bar-label { width: 130px; }
  .bar-value { width: 90px; }
  .kv { grid-template-columns: 1fr; }
  .kv dt { margin-top: 6px; }
}