/* MySender Admin — self-contained. No build step, no CDN, no external fonts. */

:root {
    --violet: #5B21B6;
    --violet-deep: #2E1065;
    --violet-soft: #EDE9FE;
    --ink: #1F2937;
    --muted: #6B7280;
    --line: #E5E7EB;
    --bg: #F7F7FB;
    --card: #FFFFFF;
    --ok: #047857;
    --ok-bg: #ECFDF5;
    --bad: #B91C1C;
    --bad-bg: #FEF2F2;
    --warn: #92400E;
    --warn-bg: #FFFBEB;
    --radius: 12px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--violet); }

/* ------------------------------------------------------------------ sign-in */

.auth-screen {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: linear-gradient(160deg, var(--violet-deep), var(--violet) 60%, #7C3AED);
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--card);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .28);
}

.auth-card h1 { margin: 0 0 4px; font-size: 22px; }
.auth-card p.sub { margin: 0 0 22px; color: var(--muted); font-size: 14px; }

.auth-mark {
    width: 44px; height: 44px;
    display: grid; place-items: center;
    border-radius: 12px;
    background: var(--violet);
    color: #fff; font-size: 20px;
    margin-bottom: 16px;
}

/* -------------------------------------------------------------------- shell */

.shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 232px;
    flex: 0 0 232px;
    background: linear-gradient(180deg, var(--violet-deep), var(--violet));
    color: #fff;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
}

.brand { display: flex; gap: 10px; align-items: center; color: #fff; text-decoration: none; margin-bottom: 26px; }
.brand-mark { width: 34px; height: 34px; border-radius: 9px; background: rgba(255,255,255,.16); display: grid; place-items: center; }
.brand-copy strong { display: block; font-size: 15px; }
.brand-copy small { color: rgba(255,255,255,.7); font-size: 12px; }

.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-link {
    color: rgba(255,255,255,.82);
    text-decoration: none;
    padding: 9px 12px;
    border-radius: 9px;
    font-size: 14px;
}
.nav-link:hover { background: rgba(255,255,255,.10); color: #fff; }
.nav-link.is-active { background: rgba(255,255,255,.18); color: #fff; font-weight: 600; }

.sidebar-foot { margin-top: auto; padding-top: 20px; font-size: 11.5px; color: rgba(255,255,255,.65); }
.sidebar-foot strong { display: block; color: rgba(255,255,255,.9); margin-bottom: 4px; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    display: flex; justify-content: space-between; align-items: center;
    gap: 12px; padding: 14px 24px;
    background: var(--card); border-bottom: 1px solid var(--line);
}
.topbar-title strong { display: block; font-size: 16px; }
.topbar-title small { color: var(--muted); font-size: 12px; }
.topbar-actions { display: flex; gap: 10px; align-items: center; }

.chip { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--muted); }
.avatar { width: 26px; height: 26px; border-radius: 50%; background: var(--violet-soft); color: var(--violet); display: grid; place-items: center; font-size: 12px; font-weight: 700; }

.content { padding: 24px; }

/* --------------------------------------------------------------- components */

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 18px;
}
.card h2 { margin: 0 0 4px; font-size: 16px; }
.card p.hint { margin: 0 0 16px; color: var(--muted); font-size: 13px; }

.stat-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 18px; }
.stat {
    flex: 1 1 160px;
    background: var(--card); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 16px;
}
.stat .n { font-size: 26px; font-weight: 700; color: var(--violet-deep); }
.stat .k { font-size: 12.5px; color: var(--muted); }

label { display: block; font-size: 13px; font-weight: 600; margin: 0 0 5px; }
input[type=text], input[type=password], input[type=email], select {
    width: 100%; padding: 10px 12px;
    border: 1px solid var(--line); border-radius: 9px;
    font: inherit; background: #fff; color: var(--ink);
}
input:focus, select:focus { outline: 2px solid var(--violet-soft); border-color: var(--violet); }
.field { margin-bottom: 14px; }
.err { color: var(--bad); font-size: 12.5px; margin-top: 5px; }

.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 16px; border-radius: 9px;
    border: 1px solid transparent; background: var(--violet); color: #fff;
    font: inherit; font-weight: 600; cursor: pointer;
}
.btn:hover { background: #4C1D95; }
.btn[disabled] { opacity: .6; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { background: var(--bg); }
.btn.danger { background: var(--bad); }
.btn.danger:hover { background: #991B1B; }
.btn.small { padding: 6px 11px; font-size: 13px; }
.btn.link { background: none; border: none; color: var(--violet); padding: 0; font-weight: 600; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 11px 10px; border-bottom: 1px solid var(--line); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tbody tr:hover { background: #FAFAFE; }
.table-wrap { overflow-x: auto; }

.tag { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600; }
.tag.ok { background: var(--ok-bg); color: var(--ok); }
.tag.bad { background: var(--bad-bg); color: var(--bad); }
.tag.warn { background: var(--warn-bg); color: var(--warn); }
.tag.mute { background: var(--bg); color: var(--muted); }

.flash { margin: 16px 24px -4px; padding: 11px 14px; border-radius: 9px; font-size: 14px; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.bad { background: var(--bad-bg); color: var(--bad); }

.empty { text-align: center; padding: 34px 16px; color: var(--muted); font-size: 14px; }

.row-actions { display: flex; flex-wrap: wrap; gap: 6px; }

.modal-back {
    position: fixed; inset: 0; background: rgba(17, 12, 34, .55);
    display: grid; place-items: center; padding: 20px; z-index: 40;
}
.modal {
    background: var(--card); border-radius: 14px; padding: 24px;
    width: 100%; max-width: 460px; max-height: 90vh; overflow-y: auto;
}
.modal h3 { margin: 0 0 4px; font-size: 17px; }
.modal p.hint { color: var(--muted); font-size: 13px; margin: 0 0 16px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; }

.codes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin: 14px 0; }
.codes code { background: var(--bg); border: 1px solid var(--line); border-radius: 7px; padding: 8px; text-align: center; font-size: 13px; }

.qr { display: grid; place-items: center; padding: 14px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.qr svg { width: 200px; height: 200px; }
.secret { font-family: ui-monospace, Consolas, monospace; background: var(--bg); border: 1px solid var(--line); border-radius: 7px; padding: 9px; word-break: break-all; font-size: 12.5px; }

.section-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.section-head h2 { margin: 0; font-size: 18px; }

.search { max-width: 280px; }

.pager { display: flex; gap: 8px; align-items: center; margin-top: 14px; }

@media (max-width: 860px) {
    .shell { flex-direction: column; }
    .sidebar { width: 100%; flex: none; flex-direction: row; align-items: center; gap: 14px; padding: 12px 16px; overflow-x: auto; }
    .brand { margin-bottom: 0; }
    .nav { flex-direction: row; }
    .sidebar-foot { display: none; }
    .content { padding: 16px; }
}