/* =====================================================================
   Refsy License Server – Design System (Refsy purple, app-consistent)
   ===================================================================== */

:root {
    --rf-primary: #673AB7;        /* matches the Flutter app's deep purple */
    --rf-primary-600: #5E35B1;
    --rf-primary-700: #512DA8;
    --rf-primary-050: #EDE7F6;
    --rf-primary-100: #D9CEF0;

    --rf-ink: #1d1830;
    --rf-muted: #6b6880;
    --rf-bg: #f5f4fb;
    --rf-card: #ffffff;
    --rf-border: #e8e4f4;

    --rf-success-bg: #e7f7ee;  --rf-success: #1b7a47;
    --rf-danger-bg:  #fdecee;  --rf-danger:  #b3261e;
    --rf-warn-bg:    #fff6e6;  --rf-warn:    #8a5a00;
    --rf-info-bg:    #eaf2ff;  --rf-info:    #1956c4;

    --rf-radius: 14px;
    --rf-radius-sm: 9px;
    --rf-shadow: 0 1px 2px rgba(29,24,48,.06), 0 8px 24px rgba(29,24,48,.06);
    --rf-shadow-sm: 0 1px 2px rgba(29,24,48,.08);
    --rf-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--rf-font);
    color: var(--rf-ink);
    background: var(--rf-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

a { color: var(--rf-primary-600); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- App shell ----------------------------------------------------- */
.refsy-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 248px;
    flex-shrink: 0;
    background: linear-gradient(180deg, #2a2140 0%, #1d1830 100%);
    color: #fff;
    padding: 26px 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.sidebar .brand {
    display: flex; align-items: center; gap: 10px;
    font-weight: 800; font-size: 20px; letter-spacing: .2px;
    padding: 6px 10px 22px;
}
.sidebar .brand .dot {
    width: 26px; height: 26px; border-radius: 8px;
    background: linear-gradient(135deg, #9575CD, var(--rf-primary));
    box-shadow: 0 4px 12px rgba(103,58,183,.5);
}
.sidebar a {
    color: #cfc8e6; text-decoration: none;
    padding: 11px 14px; border-radius: 10px;
    display: flex; align-items: center; gap: 11px;
    font-size: 14.5px; font-weight: 500;
    transition: background .15s, color .15s;
}
.sidebar a:hover { background: rgba(255,255,255,.07); color: #fff; text-decoration: none; }
.sidebar a.active { background: var(--rf-primary); color: #fff; box-shadow: 0 6px 18px rgba(103,58,183,.45); }
.sidebar .spacer { margin-top: auto; }
.sidebar .who { color: #9b94b5; font-size: 12.5px; padding: 4px 14px 14px; }
.sidebar .who strong { color: #efeaff; display: block; margin-top: 2px; word-break: break-all; }
.sidebar a.danger { color: #ffb4ac; }

/* ---- Main ----------------------------------------------------------- */
.main { flex: 1; padding: 38px 44px; max-width: 1200px; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 28px; flex-wrap: wrap; }
.page-head h1 { font-size: 26px; margin: 0; letter-spacing: -.3px; }

/* ---- KPI cards ------------------------------------------------------ */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; margin-bottom: 30px; }
.kpi {
    background: var(--rf-card); border: 1px solid var(--rf-border);
    border-radius: var(--rf-radius); padding: 18px 20px; box-shadow: var(--rf-shadow-sm);
    transition: transform .15s, box-shadow .15s;
}
.kpi:hover { transform: translateY(-2px); box-shadow: var(--rf-shadow); }
.kpi h3 { margin: 0 0 8px; font-size: 12.5px; font-weight: 600; color: var(--rf-muted); text-transform: uppercase; letter-spacing: .5px; }
.kpi p { margin: 0; font-size: 28px; font-weight: 800; letter-spacing: -.5px; }
.kpi.accent { background: linear-gradient(135deg, var(--rf-primary), var(--rf-primary-700)); border: 0; color: #fff; }
.kpi.accent h3 { color: rgba(255,255,255,.85); }

/* ---- Card ----------------------------------------------------------- */
.card { background: var(--rf-card); border: 1px solid var(--rf-border); border-radius: var(--rf-radius); box-shadow: var(--rf-shadow-sm); padding: 26px; margin-bottom: 22px; }
.card h2 { margin: 0 0 16px; font-size: 17px; }
.card.narrow { max-width: 640px; }

/* ---- Buttons -------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--rf-primary); color: #fff !important;
    border: 0; border-radius: 10px; padding: 10px 18px;
    font-size: 14px; font-weight: 600; cursor: pointer;
    text-decoration: none !important; transition: background .15s, transform .05s;
}
.btn:hover { background: var(--rf-primary-600); }
.btn:active { transform: translateY(1px); }
.btn.secondary { background: var(--rf-primary-050); color: var(--rf-primary-700) !important; }
.btn.secondary:hover { background: var(--rf-primary-100); }
.btn.ghost { background: transparent; color: var(--rf-primary-700) !important; border: 1px solid var(--rf-border); }
.btn.sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn.danger { background: var(--rf-danger); }

/* ---- Forms ---------------------------------------------------------- */
label { font-weight: 600; font-size: 13.5px; color: var(--rf-ink); display: block; margin-bottom: 6px; }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
    width: 100%; padding: 11px 13px; font-size: 14px; font-family: inherit;
    border: 1px solid var(--rf-border); border-radius: 10px; background: #fff; color: var(--rf-ink);
    transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--rf-primary);
    box-shadow: 0 0 0 3px rgba(103,58,183,.15);
}
.field { margin-bottom: 18px; }
.field .hint { font-weight: 400; color: var(--rf-muted); font-size: 12.5px; margin-top: 6px; }

/* ---- Tables --------------------------------------------------------- */
.table-wrap { background: var(--rf-card); border: 1px solid var(--rf-border); border-radius: var(--rf-radius); box-shadow: var(--rf-shadow-sm); overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th { text-align: left; padding: 14px 16px; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--rf-muted); border-bottom: 1px solid var(--rf-border); background: #faf9fe; }
tbody td { padding: 14px 16px; border-bottom: 1px solid var(--rf-border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #faf9ff; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

/* ---- Badges --------------------------------------------------------- */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-success { background: var(--rf-success-bg); color: var(--rf-success); }
.badge-danger  { background: var(--rf-danger-bg);  color: var(--rf-danger); }
.badge-warn    { background: var(--rf-warn-bg);    color: var(--rf-warn); }

/* ---- Notices -------------------------------------------------------- */
.notice { padding: 13px 16px; border-radius: 12px; margin-bottom: 18px; font-size: 14px; }
.notice.success { background: var(--rf-success-bg); color: var(--rf-success); }
.notice.error   { background: var(--rf-danger-bg);  color: var(--rf-danger); }
.notice.info    { background: var(--rf-info-bg);    color: var(--rf-info); }

.search { width: 100%; max-width: 420px; }

/* ---- Auth screens --------------------------------------------------- */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px;
    background: radial-gradient(1200px 600px at 50% -10%, #efe9fb 0%, var(--rf-bg) 60%); }
.auth-card { background: #fff; border: 1px solid var(--rf-border); border-radius: 20px; box-shadow: var(--rf-shadow); padding: 36px 34px; width: 100%; max-width: 400px; text-align: center; }
.auth-card .brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; margin-bottom: 6px; }
.auth-card .brand .dot { width: 28px; height: 28px; border-radius: 9px; background: linear-gradient(135deg, #9575CD, var(--rf-primary)); }
.auth-card h2 { font-size: 18px; margin: 6px 0 22px; font-weight: 600; }
.auth-card .btn { width: 100%; justify-content: center; margin-top: 6px; }
.auth-card form { text-align: left; }
.auth-card .muted { color: var(--rf-muted); font-size: 13px; margin-top: 16px; }

/* ---- Toast ---------------------------------------------------------- */
.refsy-toast { position: fixed; bottom: 22px; right: 22px; padding: 14px 18px; border-radius: 12px; box-shadow: var(--rf-shadow); z-index: 9999; font-size: 14px; font-weight: 500; }

@media (max-width: 800px) {
    .refsy-shell { flex-direction: column; }
    .sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 14px; gap: 4px; }
    .sidebar .brand { padding: 0 8px; }
    .sidebar .spacer, .sidebar .who { display: none; }
    .main { padding: 24px 18px; }
}