/* ==========================================================================
   platform.mimir.vn — cổng tự phục vụ cho khách hàng API
   Một tệp, không build, không phụ thuộc ngoài. Cùng lối với các site còn lại
   trong `web/`: thư mục tĩnh tự chứa, trỏ nginx vào là chạy.
   ========================================================================== */

/* ─────────────────────────────── Biến ──────────────────────────────────── */
:root {
  --nen:        #f6f7fb;
  --nen-noi:    #ffffff;
  --nen-chim:   #eef0f7;
  --vien:       #dfe3ee;
  --vien-dam:   #c7cddf;
  --chu:        #1a1d29;
  --chu-nhat:   #5c6479;
  --chu-mo:     #8a91a6;
  --nhan:       #4f46e5;
  --nhan-dam:   #4338ca;
  --nhan-nhat:  #eef0fe;
  --xanh:       #0f9d58;
  --xanh-nhat:  #e6f6ee;
  --vang:       #b7791f;
  --vang-nhat:  #fdf6e3;
  --do:         #d1443c;
  --do-nhat:    #fdecea;
  --bong:       0 1px 2px rgba(20, 24, 40, .06), 0 8px 24px rgba(20, 24, 40, .06);
  --bong-nho:   0 1px 2px rgba(20, 24, 40, .07);
  --bo:         12px;
  --bo-nho:     8px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --nen:      #0e1017;
    --nen-noi:  #161a24;
    --nen-chim: #1c212e;
    --vien:     #262c3b;
    --vien-dam: #39415699;
    --chu:      #e8eaf2;
    --chu-nhat: #a2aabf;
    --chu-mo:   #6f7891;
    --nhan:     #8b8cf7;
    --nhan-dam: #a5a6ff;
    --nhan-nhat:#1e2140;
    --xanh:     #4ade80;
    --xanh-nhat:#12291d;
    --vang:     #f5b544;
    --vang-nhat:#2b2312;
    --do:       #f87171;
    --do-nhat:  #2c1618;
    --bong:     0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
    --bong-nho: 0 1px 2px rgba(0,0,0,.4);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--nen);
  color: var(--chu);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--nhan); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; letter-spacing: -.015em; }
h1 { font-size: clamp(1.9rem, 1.2rem + 2.4vw, 3rem); }
h2 { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.9rem); }
h3 { font-size: 1.1rem; }
p  { margin: 0 0 1em; }
code, kbd { font-family: var(--mono); font-size: .9em; }

.khung { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.hep   { max-width: 460px; }

/* ─────────────────────────────── Thanh trên ─────────────────────────────── */
.dinh {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--nen) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--vien);
}
.dinh-trong {
  display: flex; align-items: center; gap: 22px;
  height: 60px;
}
.hieu {
  font-weight: 700; font-size: 1.05rem; letter-spacing: -.02em;
  color: var(--chu); display: flex; align-items: center; gap: 9px;
}
.hieu:hover { text-decoration: none; }
.hieu-logo {
  width: 26px; height: 26px; border-radius: 7px;
  display: inline-block; flex: none; object-fit: contain;
}
.dinh nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.dinh nav a {
  color: var(--chu-nhat); font-size: .92rem; font-weight: 500;
  padding: 7px 11px; border-radius: var(--bo-nho);
}
.dinh nav a:hover { background: var(--nen-chim); color: var(--chu); text-decoration: none; }
.dinh nav a.dang { color: var(--nhan); background: var(--nhan-nhat); }

/* ─────────────────────────────── Nút ───────────────────────────────────── */
.nut {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  font: inherit; font-size: .93rem; font-weight: 600;
  padding: 9px 17px; border-radius: var(--bo-nho);
  border: 1px solid transparent; cursor: pointer;
  background: var(--nhan); color: #fff;
  transition: filter .12s, background .12s;
  white-space: nowrap;
}
.nut:hover { filter: brightness(1.08); text-decoration: none; }
.nut:active { filter: brightness(.95); }
.nut[disabled] { opacity: .5; cursor: not-allowed; filter: none; }
.nut.phu { background: var(--nen-noi); color: var(--chu); border-color: var(--vien-dam); }
.nut.phu:hover { background: var(--nen-chim); }
.nut.nguy { background: var(--do); }
.nut.nho { padding: 5px 11px; font-size: .85rem; }
.nut.rong { width: 100%; }

/* ─────────────────────────────── Thẻ ───────────────────────────────────── */
.the {
  background: var(--nen-noi);
  border: 1px solid var(--vien);
  border-radius: var(--bo);
  padding: 20px;
  box-shadow: var(--bong-nho);
}
.the-dau { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.the-dau h3 { margin: 0; }
.luoi { display: grid; gap: 16px; }
.luoi-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.luoi-3 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.luoi-4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }

/* Ô số lớn */
.o-so .nhan-o { font-size: .82rem; color: var(--chu-nhat); font-weight: 500; }
.o-so .so { font-size: 1.7rem; font-weight: 700; letter-spacing: -.02em; margin-top: 2px; }
.o-so .phu-chu { font-size: .8rem; color: var(--chu-mo); }

/* ─────────────────────────────── Bảng ──────────────────────────────────── */
.cuon-ngang { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--vien); }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--chu-mo); font-weight: 600; }
tbody tr:last-child td { border-bottom: 0; }
td.so, th.so { text-align: right; font-variant-numeric: tabular-nums; }
.mono { font-family: var(--mono); font-size: .86rem; }

/* Nhãn trạng thái */
.the-nho {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: .76rem; font-weight: 600; line-height: 1.7;
}
.the-nho.ok  { background: var(--xanh-nhat); color: var(--xanh); }
.the-nho.cho { background: var(--vang-nhat); color: var(--vang); }
.the-nho.tat { background: var(--do-nhat);   color: var(--do); }
.the-nho.mo  { background: var(--nen-chim);  color: var(--chu-nhat); }

/* ─────────────────────────────── Biểu mẫu ──────────────────────────────── */
.truong { margin-bottom: 14px; }
.truong label { display: block; font-size: .86rem; font-weight: 600; margin-bottom: 5px; }
.truong .goi-y { font-size: .8rem; color: var(--chu-mo); margin-top: 4px; }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  width: 100%; font: inherit; font-size: .93rem;
  padding: 9px 12px; border-radius: var(--bo-nho);
  border: 1px solid var(--vien-dam); background: var(--nen-noi); color: var(--chu);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--nhan); outline-offset: -1px; border-color: var(--nhan);
}
input[aria-invalid=true] { border-color: var(--do); }

.bao-loi {
  background: var(--do-nhat); color: var(--do);
  border: 1px solid color-mix(in srgb, var(--do) 30%, transparent);
  border-radius: var(--bo-nho); padding: 10px 13px; font-size: .88rem; margin-bottom: 14px;
}
.bao-ok { background: var(--xanh-nhat); color: var(--xanh); border-color: color-mix(in srgb, var(--xanh) 30%, transparent); }

/* ─────────────────────────────── Dải cảnh báo ──────────────────────────── */
.dai {
  background: var(--vang-nhat); color: var(--vang);
  border-bottom: 1px solid color-mix(in srgb, var(--vang) 28%, transparent);
  font-size: .87rem; padding: 9px 0;
}
.dai .khung { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.dai strong { font-weight: 700; }

/* ─────────────────────────────── Trang chủ ─────────────────────────────── */
.hero { padding: 72px 0 56px; text-align: center; }
.hero p.dan { font-size: 1.13rem; color: var(--chu-nhat); max-width: 640px; margin: 0 auto 26px; }
.hero .nut-hang { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.khoi { padding: 48px 0; }
.khoi > h2 { text-align: center; margin-bottom: 8px; }
.khoi > p.dan { text-align: center; color: var(--chu-nhat); max-width: 620px; margin: 0 auto 30px; }

pre.ma {
  background: var(--nen-noi); border: 1px solid var(--vien);
  border-radius: var(--bo); padding: 16px 18px; overflow-x: auto;
  font-family: var(--mono); font-size: .85rem; line-height: 1.65; margin: 0;
}
pre.ma .kw { color: var(--nhan); }
pre.ma .str { color: var(--xanh); }
pre.ma .cmt { color: var(--chu-mo); }

/* ─────────────────────────────── Bảng điều khiển ───────────────────────── */
.bang { display: grid; grid-template-columns: 210px 1fr; gap: 26px; padding: 26px 0 60px; }
@media (max-width: 820px) { .bang { grid-template-columns: 1fr; } }
.ben-trai { display: flex; flex-direction: column; gap: 2px; align-self: start; }
@media (max-width: 820px) { .ben-trai { flex-direction: row; overflow-x: auto; padding-bottom: 6px; } }
.ben-trai a {
  padding: 8px 12px; border-radius: var(--bo-nho); font-size: .92rem;
  color: var(--chu-nhat); font-weight: 500; white-space: nowrap;
}
.ben-trai a:hover { background: var(--nen-chim); color: var(--chu); text-decoration: none; }
.ben-trai a.dang { background: var(--nhan-nhat); color: var(--nhan); font-weight: 600; }

/* Biểu đồ cột thuần CSS — không thư viện ngoài (CSP của trang tĩnh, và một
   thư viện 300KB cho một biểu đồ cột là cái giá không đáng). */
.bieu-do { display: flex; align-items: flex-end; gap: 2px; height: 150px; margin-top: 6px; }
.bieu-do .cot { flex: 1; background: var(--nhan); border-radius: 3px 3px 0 0; min-height: 2px; position: relative; opacity: .85; }
.bieu-do .cot:hover { opacity: 1; }
.bieu-do .cot::after {
  content: attr(data-hien);
  position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%);
  background: var(--chu); color: var(--nen); font-size: .74rem; padding: 5px 8px;
  border-radius: 6px; white-space: pre; opacity: 0; pointer-events: none;
  transition: opacity .1s; margin-bottom: 6px; z-index: 5; line-height: 1.5;
}
.bieu-do .cot:hover::after { opacity: 1; }
.truc {
  display: flex; justify-content: space-between;
  font-size: .74rem; color: var(--chu-mo); margin-top: 6px;
}

/* Thanh phân bổ */
.thanh-chia { display: flex; height: 9px; border-radius: 999px; overflow: hidden; background: var(--nen-chim); }
.thanh-chia span { display: block; }
.chu-giai { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 12px; font-size: .84rem; }
.chu-giai i { width: 9px; height: 9px; border-radius: 3px; display: inline-block; margin-right: 6px; }

/* ─────────────────────────────── Hộp thoại ─────────────────────────────── */
.man {
  position: fixed; inset: 0; background: rgba(10, 12, 20, .55);
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 60;
}
.hop {
  background: var(--nen-noi); border: 1px solid var(--vien); border-radius: var(--bo);
  box-shadow: var(--bong); padding: 24px; max-width: 520px; width: 100%;
  max-height: 88vh; overflow-y: auto;
}
.hop h3 { margin-bottom: 12px; }
.hop-nut { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

/* Ô hiện khoá vừa tạo */
.khoa-hien {
  font-family: var(--mono); font-size: .87rem; word-break: break-all;
  background: var(--nen-chim); border: 1px dashed var(--vien-dam);
  border-radius: var(--bo-nho); padding: 13px; margin: 12px 0;
}

/* ─────────────────────────────── Thông báo nổi ─────────────────────────── */
.banh-mi { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 9px; z-index: 80; }
.banh-mi div {
  background: var(--chu); color: var(--nen); padding: 11px 16px;
  border-radius: var(--bo-nho); font-size: .89rem; box-shadow: var(--bong);
  animation: len .18s ease-out;
}
@keyframes len { from { opacity: 0; transform: translateY(8px); } }

/* ─────────────────────────────── Chân trang ────────────────────────────── */
footer {
  border-top: 1px solid var(--vien); padding: 26px 0; margin-top: 40px;
  color: var(--chu-mo); font-size: .87rem;
}
footer .khung { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

.an { display: none !important; }