/* css/khieu-nai.css. Form khiếu nại người tiêu dùng (Điều 70 Luật BVQLNTD 2023).
   Dùng chung cho mọi trang: ve-cua-toi, chinh-sach, profile. */

.kn-wrap {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,.6);
  padding: 20px;
  overflow-y: auto;
}

.kn-card {
  max-width: 480px; width: 100%;
  background: #17171a;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  padding: 24px 22px;
  color: #eee;
  font-family: 'Be Vietnam Pro', sans-serif;
}

.kn-title {
  margin: 0;
  font-family: 'League Gothic', sans-serif; font-weight: 400;
  font-size: 32px; line-height: 1; letter-spacing: .5px; color: #eee;
}
.kn-sub { margin: 8px 0 0; font-size: 13px; color: #999; line-height: 1.6; }
.kn-sub b { color: #ddd; }

.kn-label {
  display: block; margin: 18px 0 6px;
  font-size: 11.5px; text-transform: uppercase; letter-spacing: 1px; color: #888;
}

.kn-input {
  width: 100%; box-sizing: border-box;
  background: #0e0e10;
  border: 1px solid rgba(255,255,255,.14);
  color: #eee;
  border-radius: 10px;
  padding: 11px 13px;
  font-size: 14.5px;
  font-family: inherit;
  outline: none;
}
.kn-input:focus { border-color: rgba(209,72,40,.6); }
.kn-area { resize: vertical; line-height: 1.55; }

.kn-count { text-align: right; font-size: 11.5px; color: #777; margin-top: 4px; }

.kn-booking {
  margin-top: 18px; padding: 10px 13px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px;
  font-size: 13px; color: #bbb;
}
.kn-booking b { color: #eee; font-family: monospace; }

.kn-err { min-height: 18px; margin-top: 8px; font-size: 12.5px; color: #e06b5a; line-height: 1.4; }
.kn-note { margin: 4px 0 0; font-size: 11.5px; color: #777; line-height: 1.6; }

.kn-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }
.kn-cancel {
  background: transparent; border: 1px solid rgba(255,255,255,.2); color: #bbb;
  border-radius: 999px; padding: 10px 20px; font-size: 13.5px; cursor: pointer;
}
.kn-send {
  background: #d14828; color: #fff; border: none;
  border-radius: 999px; padding: 10px 24px; font-size: 13.5px; font-weight: 700; cursor: pointer;
}
.kn-send:disabled { opacity: .5; cursor: default; }

/* Nút mở form, nhúng trong các trang */
.kn-open {
  background: transparent;
  border: 1px solid rgba(127,127,127,.45);
  color: inherit;
  border-radius: 9px;
  padding: 9px 14px;
  font-size: 13.5px;
  cursor: pointer;
  font-family: inherit;
}
.kn-open:hover { border-color: #d14828; color: #d14828; }