/* ==========================================================================
   platform.mimir.vn — MIMIR API Platform (bản web cho người mua token)
   Design system: dashboard tối một cột sidebar — theo ảnh mẫu thể loại
   DeepSeek/OpenAI platform. Mọi màu lấy qua biến ở :root, không rải mã màu.
   ========================================================================== */

:root {
  /* ── Nền & bề mặt ── */
  --bg: #131315;        /* nền trang */
  --panel: #191a1c;     /* sidebar / đầu trang */
  --card: #1f2023;      /* thẻ nội dung */
  --card2: #242528;     /* thẻ lồng / ô chọn */
  --line: #2c2d31;      /* viền chung */
  --line2: #3a3b40;     /* viền ô nhập */

  /* ── Chữ ── */
  --text: #eceef1;
  --muted: #9a9ca3;
  --faint: #6d6f77;

  /* ── Nhấn ── */
  --accent: #7c82f0;
  --accent-strong: #5b62e8;
  --accent-soft: rgba(124, 130, 240, 0.14);

  /* ── Ngữ nghĩa ── */
  --good: #3ddc97;
  --good-soft: rgba(61, 220, 151, 0.12);
  --bad: #f47174;
  --bad-soft: rgba(244, 113, 116, 0.12);
  --warn: #f5b544;
  --warn-soft: rgba(245, 181, 68, 0.13);

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --side-w: 236px;
  --mono: ui-monospace, "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; } /* .app đặt display:grid nên phải ép lại */
html { height: 100%; }
body {
  margin: 0; height: 100%;
  background: var(--bg); color: var(--text);
  font: 15px/1.55 "Google Sans Flex", "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--accent-strong); color: #fff; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; color: inherit; }
.num { font-variant-numeric: tabular-nums; }

/* ════════════════════════════ KHUNG TRANG ════════════════════════════ */

.app { display: grid; grid-template-columns: var(--side-w) 1fr; min-height: 100vh; }

/* ── Sidebar ── */
.side {
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column;
  background: var(--panel); border-right: 1px solid var(--line);
  padding: 18px 12px 14px;
}
.side-logo {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 10px 16px; color: var(--text);
}
.side-logo:hover { text-decoration: none; }
.side-logo .mark {
  width: 30px; height: 30px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, #8b90ff, #5b62e8);
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 15px;
}
.side-logo b { font-size: 15px; letter-spacing: 0.02em; }
.side-logo small { display: block; color: var(--faint); font-size: 11px; margin-top: -2px; }

.side-nav { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  color: var(--muted); font-size: 14px; border: 0; background: none;
  text-align: left; cursor: pointer; width: 100%;
}
.nav-item svg { width: 18px; height: 18px; flex: none; opacity: 0.9; }
.nav-item:hover { background: var(--card); color: var(--text); text-decoration: none; }
.nav-item.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav-sep { margin: 10px 12px 6px; border-top: 1px solid var(--line); font-size: 11px; color: var(--faint); padding-top: 8px; letter-spacing: 0.08em; }

.side-user {
  border-top: 1px solid var(--line); padding-top: 12px; margin-top: 10px;
  display: flex; align-items: center; gap: 10px;
}
.avatar {
  width: 34px; height: 34px; border-radius: 50%; flex: none;
  background: var(--card2); border: 1px solid var(--line2);
  display: grid; place-items: center; font-weight: 700; color: var(--accent);
}
.side-user .who { flex: 1; min-width: 0; }
.side-user .who b { display: block; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side-user .who small { color: var(--faint); font-size: 12px; }
.icon-btn {
  border: 1px solid var(--line); background: var(--card); color: var(--muted);
  border-radius: var(--radius-sm); padding: 6px 8px; cursor: pointer; line-height: 0;
}
.icon-btn:hover { color: var(--text); border-color: var(--line2); }

/* ── Vùng nội dung ── */
.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: none; align-items: center; gap: 12px;
  background: rgba(19, 19, 21, 0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line); padding: 12px 16px;
}
.content { padding: 28px clamp(18px, 4vw, 40px) 64px; max-width: 1180px; width: 100%; margin: 0 auto; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 22px; letter-spacing: -0.01em; }
.page-head p { margin: 4px 0 0; color: var(--muted); font-size: 13.5px; }

/* ════════════════════════════ THẺ & NÚT ════════════════════════════ */

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
}
.card + .card, .card + .section, .section + .card { margin-top: 18px; }
.card h3 { margin: 0 0 14px; font-size: 15.5px; }
.card .hint { color: var(--muted); font-size: 13px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: var(--radius-sm); border: 1px solid transparent;
  background: var(--accent-strong); color: #fff; font-weight: 600;
  padding: 9px 16px; font-size: 14px; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: #6a70f0; }
.btn.ghost { background: var(--card); border-color: var(--line2); color: var(--text); font-weight: 500; }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn.danger { background: transparent; border-color: rgba(244, 113, 116, 0.4); color: var(--bad); }
.btn.danger:hover { background: var(--bad-soft); }
.btn.sm { padding: 6px 12px; font-size: 13px; }
.btn.lg { padding: 12px 22px; font-size: 15px; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }

/* ── Thẻ số dư ── */
.balance {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  background: linear-gradient(120deg, #23243a, #1f2023 65%);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; margin-bottom: 18px; flex-wrap: wrap;
}
.balance .amt { font-size: 30px; font-weight: 700; letter-spacing: -0.01em; }
.balance .amt small { font-size: 15px; color: var(--muted); font-weight: 500; margin-left: 4px; }
.balance .lbl { color: var(--muted); font-size: 13px; margin-bottom: 4px; }
.balance .sub { color: var(--faint); font-size: 12.5px; margin-top: 6px; }

/* ── Dải chọn kỳ thống kê ── */
.period {
  display: inline-flex; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 3px; gap: 2px; flex-wrap: wrap;
}
.period button {
  border: 0; background: none; color: var(--muted); cursor: pointer;
  padding: 6px 13px; border-radius: 6px; font-size: 13px;
}
.period button.on { background: var(--card2); color: var(--text); font-weight: 600; }

/* ── Thẻ chỉ số ── */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 18px 0; }
.metric { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.metric .k { color: var(--muted); font-size: 12.5px; }
.metric .v { font-size: 24px; font-weight: 700; margin-top: 6px; letter-spacing: -0.01em; }
.metric .d { font-size: 12px; color: var(--faint); margin-top: 3px; }

/* ════════════════════════════ BẢNG ════════════════════════════ */

.table-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; background: var(--card); }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 560px; }
.tbl th {
  text-align: left; padding: 11px 16px; color: var(--faint); font-weight: 600;
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em;
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
.tbl td { padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tr.clickable { cursor: pointer; }
.tbl tr.clickable:hover td { background: var(--card2); }
.tbl .r { text-align: right; }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 3px 10px; font-size: 12px; font-weight: 600;
}
.pill.good { background: var(--good-soft); color: var(--good); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.mut { background: var(--card2); color: var(--muted); }

.money-plus { color: var(--good); font-weight: 600; }
.money-minus { color: var(--text); }

/* ── Thanh ngang phần dùng theo mô hình ── */
.sharebar { height: 6px; border-radius: 4px; background: var(--line); overflow: hidden; min-width: 90px; }
.sharebar i { display: block; height: 100%; border-radius: 4px; background: var(--accent); }

/* ════════════════════════════ BIỂU ĐỒ ════════════════════════════ */

.chart-box { position: relative; }
.chart-box svg { display: block; width: 100%; height: auto; }
.chart-legend { display: flex; gap: 18px; color: var(--muted); font-size: 12.5px; margin-top: 10px; flex-wrap: wrap; }
.chart-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

/* ── Tooltip khi rê chuột lên cột ── */
.barg rect { transition: fill-opacity 0.1s; }
.barg:hover rect { fill-opacity: 0.72; }
.chart-tip {
  position: absolute; z-index: 5; pointer-events: none;
  background: #101114; border: 1px solid var(--line2); border-radius: 10px;
  padding: 10px 13px; font-size: 12.5px; min-width: 216px;
  box-shadow: var(--shadow); opacity: 0; transition: opacity 0.1s;
}
.chart-tip.on { opacity: 1; }
.chart-tip .tt { color: var(--faint); font-size: 11.5px; margin-bottom: 7px; letter-spacing: 0.02em; }
.chart-tip .tr { display: flex; justify-content: space-between; gap: 16px; padding: 2.5px 0; }
.chart-tip .tr .nm { display: flex; align-items: center; color: var(--muted); }
.chart-tip .tr.total { border-top: 1px solid var(--line); margin-top: 5px; padding-top: 6px; }
.chart-tip .tr.total .nm { color: var(--text); font-weight: 600; }
.chart-tip .dot { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 7px; }
.chart-tip .num { font-variant-numeric: tabular-nums; }

/* ════════════════════════════ KHÓA API ════════════════════════════ */

.key-secret {
  background: var(--bg); border: 1px dashed var(--line2); border-radius: var(--radius-sm);
  padding: 12px 14px; font-family: var(--mono); font-size: 13px; color: var(--warn);
  word-break: break-all; display: flex; align-items: center; gap: 12px; justify-content: space-between;
}
.key-code { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }

/* ════════════════════════════ FORM ════════════════════════════ */

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.input, select.input, textarea.input {
  width: 100%; background: var(--bg); border: 1px solid var(--line2);
  border-radius: var(--radius-sm); color: var(--text);
  padding: 10px 12px; font: inherit; font-size: 14px;
}
.input:focus { outline: 2px solid var(--accent-strong); outline-offset: -1px; border-color: transparent; }
textarea.input { resize: vertical; min-height: 84px; }
.input.mono { font-family: var(--mono); font-size: 13px; }

.amounts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.amt-opt {
  border: 1px solid var(--line2); border-radius: var(--radius-sm); background: var(--bg);
  padding: 12px 10px; text-align: center; cursor: pointer;
}
.amt-opt b { display: block; font-size: 14.5px; }
.amt-opt small { color: var(--good); font-size: 11.5px; }
.amt-opt.on { border-color: var(--accent); background: var(--accent-soft); }

.pay-methods { display: flex; flex-direction: column; gap: 8px; }
.pay-opt {
  display: flex; align-items: center; gap: 12px; border: 1px solid var(--line2);
  border-radius: var(--radius-sm); padding: 12px 14px; cursor: pointer; background: var(--bg);
}
.pay-opt.on { border-color: var(--accent); background: var(--accent-soft); }
.pay-opt .rad { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--line2); flex: none; }
.pay-opt.on .rad { border-color: var(--accent); box-shadow: inset 0 0 0 3.5px var(--accent); }
.pay-opt b { display: block; font-size: 14px; }
.pay-opt small { color: var(--muted); font-size: 12px; }

/* ── QR demo ── */
.qr-frame {
  width: 208px; height: 208px; margin: 0 auto; border-radius: var(--radius);
  border: 1px solid var(--line2); background: #fff; display: grid; place-items: center;
  overflow: hidden;
}

/* ════════════════════════════ TÀI LIỆU ════════════════════════════ */

.code-tabs { display: flex; gap: 4px; margin-bottom: 0; }
.code-tabs button {
  border: 1px solid var(--line); border-bottom: 0; background: var(--panel);
  color: var(--muted); padding: 7px 14px; font-size: 12.5px; cursor: pointer;
  border-radius: 8px 8px 0 0;
}
.code-tabs button.on { background: var(--card); color: var(--text); font-weight: 600; }
pre.code {
  margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 0 var(--radius) var(--radius) var(--radius);
  padding: 16px 18px; overflow-x: auto; font-family: var(--mono); font-size: 12.8px; line-height: 1.6;
  color: #d6d9f5;
}
pre.code .cm { color: var(--faint); }       /* chú thích */
pre.code .st { color: #9ece8e; }            /* chuỗi */
pre.code .kw { color: #8b9cf5; }            /* từ khoá */

/* ════════════════════════════ PLAYGROUND ════════════════════════════ */

.pg { display: grid; grid-template-columns: 300px 1fr; gap: 18px; align-items: start; }
.pg-chat {
  min-height: 380px; max-height: 560px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 12px; padding: 4px;
}
.msg { max-width: 86%; border-radius: 12px; padding: 10px 14px; font-size: 14px; white-space: pre-wrap; word-break: break-word; }
.msg.user { align-self: flex-end; background: var(--accent-strong); color: #fff; border-bottom-right-radius: 4px; }
.msg.bot { align-self: flex-start; background: var(--card2); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg.bot .meta { display: block; margin-top: 8px; color: var(--faint); font-size: 11.5px; border-top: 1px dashed var(--line); padding-top: 6px; }
.typing { display: inline-flex; gap: 4px; padding: 4px 2px; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: blink 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: 0.2s; }
.typing i:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 80%, 100% { opacity: 0.25; } 40% { opacity: 1; } }

/* ════════════════════════════ BẢNG GIÁ ════════════════════════════ */

.price-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.price-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.price-card .tagrow { display: flex; gap: 6px; margin: 10px 0 14px; flex-wrap: wrap; }
.price-row { display: flex; justify-content: space-between; padding: 9px 0; border-top: 1px solid var(--line); font-size: 13.5px; }
.price-row b { font-size: 15px; }
.price-row span { color: var(--muted); }

/* ════════════════════════════ MODAL & TOAST ════════════════════════════ */

.overlay {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6);
  display: flex; overflow: auto; z-index: 100; padding: 20px;
  backdrop-filter: blur(3px);
}
/* margin:auto thay cho place-items:center — modal cao hơn màn hình thì vẫn
   cuộn tới được đầu lẫn chân, không bị cắt kiểu center-overflow. */
.modal {
  width: min(520px, 100%); background: var(--card); border: 1px solid var(--line2);
  border-radius: 14px; box-shadow: var(--shadow); padding: 24px;
  max-height: 88vh; overflow-y: auto; margin: auto;
}
.modal h3 { margin: 0 0 4px; font-size: 17px; }
.modal .sub { color: var(--muted); font-size: 13px; margin: 0 0 18px; }
.modal .foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

.toast-wrap { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: var(--card2); border: 1px solid var(--line2); color: var(--text);
  border-radius: 999px; padding: 9px 20px; font-size: 13.5px; box-shadow: var(--shadow);
  animation: rise 0.25s ease;
}
.toast.ok { border-color: rgba(61, 220, 151, 0.5); }
.toast.err { border-color: rgba(244, 113, 116, 0.5); }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ════════════════════════════ ĐĂNG NHẬP ════════════════════════════ */

.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(400px, 100%); text-align: center; }
.login-card .mark {
  width: 52px; height: 52px; border-radius: 15px; margin: 0 auto 14px;
  background: linear-gradient(135deg, #8b90ff, #5b62e8);
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 24px;
}
.login-card h1 { font-size: 21px; margin: 0 0 6px; }
.login-card .sub { color: var(--muted); font-size: 13.5px; margin: 0 0 22px; }
.login-card .field { text-align: left; }
.login-alt { margin-top: 16px; color: var(--faint); font-size: 12.5px; }

/* ── Dải chú ý ── */
.note {
  display: flex; gap: 10px; align-items: flex-start;
  border-radius: var(--radius-sm); padding: 11px 14px; font-size: 13px;
  background: var(--warn-soft); color: var(--warn); margin-bottom: 18px;
}
.note.blue { background: var(--accent-soft); color: var(--accent); }
.note svg { width: 16px; height: 16px; flex: none; margin-top: 2px; }

/* ── Bảng cài đặt hồ sơ ── */
.setting-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); }
.setting-row:first-of-type { border-top: 0; }
.setting-row b { display: block; font-size: 14px; }
.setting-row small { color: var(--muted); font-size: 12.5px; }

/* ── Công tắc ── */
.switch { position: relative; width: 40px; height: 22px; flex: none; cursor: pointer; }
.switch input { opacity: 0; position: absolute; }
.switch i {
  position: absolute; inset: 0; border-radius: 999px; background: var(--line2); transition: 0.15s;
}
.switch i::after {
  content: ""; position: absolute; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; top: 3px; left: 3px; transition: 0.15s;
}
.switch input:checked + i { background: var(--accent-strong); }
.switch input:checked + i::after { left: 21px; }

/* ════════════════════════════ RESPONSIVE ════════════════════════════ */

@media (max-width: 1020px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .pg { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .side {
    position: fixed; inset: 0 auto 0 0; width: 264px; z-index: 60;
    transform: translateX(-105%); transition: transform 0.2s ease;
  }
  .app.nav-open .side { transform: none; box-shadow: var(--shadow); }
  .topbar { display: flex; }
  .content { padding: 18px 16px 56px; }
  .amounts { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .metrics { grid-template-columns: 1fr; }
  .balance .amt { font-size: 25px; }
}