/* hoantien — dark theme kiểu hoantien.vn */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0b1220;
  --bg-soft: #101a2c;
  --card: #131f33;
  --card-2: #182741;
  --border: #223350;
  --text: #e8eefb;
  --muted: #8fa3c0;
  --green: #22c55e;
  --green-dark: #16a34a;
  --orange: #f59e0b;
  --red: #ef4444;
  --radius: 14px;
}
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  font-size: 15px;
}
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--red); margin-top: 10px; font-size: 14px; }
.ok-msg { color: var(--green); margin-top: 10px; font-size: 14px; }

/* ===== Auth ===== */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.auth-card {
  width: 100%; max-width: 400px; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
}
.logo-line { display: flex; align-items: center; gap: 8px; font-size: 18px; margin-bottom: 8px; }
.logo-badge {
  background: linear-gradient(135deg, var(--green), #4ade80); color: #06240f;
  font-weight: 800; padding: 4px 8px; border-radius: 8px; font-size: 14px;
}
.tabs { display: flex; gap: 8px; margin: 18px 0 14px; }
.tab {
  flex: 1; padding: 9px; border-radius: 9px; border: 1px solid var(--border);
  background: transparent; color: var(--muted); cursor: pointer; font-size: 14px;
}
.tab.active { background: var(--card-2); color: var(--text); border-color: var(--green); }
input, select {
  width: 100%; padding: 11px 13px; margin-bottom: 11px;
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--border); border-radius: 9px; font-size: 14px; outline: none;
}
input:focus { border-color: var(--green); }
.btn-primary {
  width: 100%; padding: 12px; border: 0; border-radius: 9px; cursor: pointer;
  background: linear-gradient(135deg, var(--green-dark), var(--green));
  color: #fff; font-weight: 700; font-size: 15px;
}
.btn-primary:disabled { opacity: .6; cursor: wait; }
.btn-ghost {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 12px; cursor: pointer; font-size: 13px;
}
.btn-small {
  border: 0; border-radius: 7px; padding: 6px 12px; cursor: pointer;
  font-size: 13px; font-weight: 600; color: #fff; background: var(--green-dark);
}
.btn-small.danger { background: var(--red); }

/* ===== Layout ===== */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 230px; flex-shrink: 0; background: var(--bg-soft);
  border-right: 1px solid var(--border); padding: 20px 14px;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.sidebar nav { margin-top: 22px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sidebar nav a {
  color: var(--muted); text-decoration: none; padding: 10px 13px;
  border-radius: 9px; font-size: 14.5px;
}
.sidebar nav a:hover { background: var(--card); color: var(--text); }
.sidebar nav a.active { background: var(--card-2); color: var(--text); border-left: 3px solid var(--green); }
.sidebar-foot { border-top: 1px solid var(--border); padding-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.content { flex: 1; padding: 28px 34px; max-width: 1150px; }

h1.page-title { font-size: 24px; margin-bottom: 4px; }
.page-sub { color: var(--muted); margin-bottom: 22px; padding-bottom: 12px; border-bottom: 2px solid var(--green); display: inline-block; }

/* ===== Cards / grid ===== */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 18px; }
.grid-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.stat .label { color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.stat .value { font-size: 22px; font-weight: 800; }
.stat .value.green { color: var(--green); }
.stat .value.orange { color: var(--orange); }

/* ===== Tạo link ===== */
.linkbox { display: flex; gap: 10px; }
.linkbox input { flex: 1; margin: 0; padding: 14px; }
.linkbox button { width: auto; padding: 0 26px; }
.platforms { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.platform {
  display: flex; align-items: center; gap: 8px; padding: 12px 20px;
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 11px; font-weight: 600;
  position: relative;
}
.platform .soon {
  position: absolute; top: -9px; right: -6px; background: var(--orange); color: #221600;
  font-size: 10px; font-weight: 800; padding: 2px 7px; border-radius: 6px;
}
.result-link {
  margin-top: 16px; padding: 14px; background: var(--bg-soft); border: 1px dashed var(--green);
  border-radius: 10px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.result-link a { color: var(--green); word-break: break-all; }

/* ===== Bảng ===== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
td.wrap { white-space: normal; max-width: 330px; }
.badge { padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.badge.pending { background: rgba(245, 158, 11, .15); color: var(--orange); }
.badge.confirmed, .badge.paid { background: rgba(34, 197, 94, .15); color: var(--green); }
.badge.cancelled, .badge.rejected { background: rgba(239, 68, 68, .15); color: var(--red); }
.badge.requested { background: rgba(143, 163, 192, .15); color: var(--muted); }

/* ===== Hướng dẫn 3 bước / lưu ý ===== */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } .content { padding: 18px; } .sidebar { width: 190px; } }
.steps { list-style: none; }
.steps li { display: flex; gap: 12px; margin-bottom: 16px; }
.step-icon {
  width: 34px; height: 34px; flex-shrink: 0; border-radius: 50%;
  background: rgba(34, 197, 94, .15); color: var(--green);
  display: flex; align-items: center; justify-content: center; font-weight: 800;
}
.note-title { color: var(--orange); font-weight: 700; font-size: 17px; margin-bottom: 10px; }
.notes li { margin: 0 0 12px 18px; color: var(--text); }
.notes b { color: var(--orange); }
.section-title { font-size: 17px; font-weight: 700; margin-bottom: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } }

/* ===== Card xem trước sản phẩm ===== */
.product-card {
  margin-top: 14px; display: flex; gap: 16px; padding: 16px;
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius);
}
.product-img { width: 150px; height: 150px; object-fit: cover; border-radius: 10px; flex-shrink: 0; background: var(--card-2); }
.product-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.product-name { font-weight: 700; font-size: 15.5px; }
.product-price { font-size: 20px; font-weight: 800; }
.product-cashback { color: var(--orange); font-size: 15px; }
.product-cashback b { font-size: 17px; }
.buy-btn { width: auto; padding: 10px 34px; margin-top: 6px; }
@media (max-width: 700px) { .product-card { flex-direction: column; } .product-img { width: 100%; height: auto; max-height: 260px; } }

.product-cashback .pct { color: var(--muted); font-size: 13px; }

/* ===== Danh sách link dạng card ===== */
.link-row {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.link-row:last-child { border-bottom: 0; }
.link-thumb {
  width: 64px; height: 64px; border-radius: 10px; object-fit: cover;
  flex-shrink: 0; background: var(--card-2);
}
.link-thumb-empty { display: flex; align-items: center; justify-content: center; font-size: 26px; }
.link-info { flex: 1; min-width: 0; }
.link-name {
  font-weight: 600; font-size: 14.5px; margin-bottom: 4px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; word-break: break-word;
}
.link-meta { font-size: 13px; }
.link-meta .cash { color: var(--orange); font-weight: 700; }
.link-actions { display: flex; gap: 8px; flex-shrink: 0; }
@media (max-width: 700px) {
  .link-row { flex-wrap: wrap; }
  .link-actions { width: 100%; justify-content: flex-end; }
}

.platform.clickable { cursor: pointer; user-select: none; }
.platform.clickable:hover { border-color: var(--green); }
.platform.active { border-color: var(--green); background: var(--card-2); box-shadow: 0 0 0 1px var(--green) inset; }

/* ===== Nút Google ===== */
.or-line { display: flex; align-items: center; gap: 10px; margin: 14px 0; color: var(--muted); font-size: 12px; }
.or-line::before, .or-line::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.btn-google {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 11px; border-radius: 9px; cursor: pointer;
  background: #fff; color: #3c4043; font-weight: 600; font-size: 14.5px;
  text-decoration: none; border: 1px solid var(--border);
}
.btn-google:hover { background: #f1f3f4; }