* { box-sizing: border-box; }
:root {
    --ceqr-green: #238b45;
    --ceqr-green-dark: #12632d;
    --ceqr-blue: #123f78;
    --ceqr-yellow: #f5cf24;
    --ceqr-bg: #f3f6f4;
    --ceqr-text: #1f2937;
    --ceqr-muted: #667085;
}
body.ceqr-standalone {
    margin: 0;
    min-height: 100vh;
    background: var(--ceqr-bg);
    color: var(--ceqr-text);
    font-family: Arial, Helvetica, sans-serif;
}
.ceqr-brand {
    min-height: 92px;
    padding: 12px clamp(18px, 5vw, 64px);
    background: linear-gradient(120deg, #f8fbff, #e5eff9);
    border-bottom: 6px solid var(--ceqr-green);
    display: flex;
    align-items: center;
    gap: 16px;
}
.ceqr-brand img { width: 72px; height: 72px; object-fit: contain; }
.ceqr-brand div { display: flex; flex-direction: column; line-height: 1; color: var(--ceqr-green-dark); }
.ceqr-brand span { font-size: 14px; text-transform: uppercase; letter-spacing: .18em; }
.ceqr-brand strong { font-size: clamp(25px, 4vw, 42px); font-family: Georgia, serif; font-style: italic; }
.ceqr-ticket-document, .ceqr-scanner-app, .ceqr-auth-message {
    width: min(1180px, calc(100% - 28px));
    margin: 28px auto;
}
.ceqr-auth-message {
    max-width: 640px; background: #fff; border-radius: 18px; padding: 32px; box-shadow: 0 10px 35px rgba(16,24,40,.08);
}
.ceqr-eyebrow { color: var(--ceqr-green); font-weight: 700; text-transform: uppercase; letter-spacing: .12em; font-size: 12px; }
.ceqr-ticket-intro, .ceqr-scanner-heading {
    display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 20px;
}
.ceqr-ticket-intro h1, .ceqr-scanner-heading h1 { margin: 7px 0; font-size: clamp(28px, 5vw, 46px); }
.ceqr-ticket-intro p, .ceqr-scanner-heading p { margin: 0; color: var(--ceqr-muted); }
.ceqr-ticket-student {
    min-width: 270px; background: #fff; border-left: 5px solid var(--ceqr-yellow); border-radius: 12px; padding: 16px 20px;
    box-shadow: 0 6px 24px rgba(16,24,40,.06);
}
.ceqr-ticket-student span, .ceqr-ticket-student small { display: block; color: var(--ceqr-muted); }
.ceqr-ticket-student strong { display: block; font-size: 21px; margin: 4px 0; }
.ceqr-ticket-actions { display: flex; gap: 10px; margin: 18px 0; flex-wrap: wrap; }
.ceqr-button {
    appearance: none; border: 1px solid #cfd5dc; background: #fff; color: var(--ceqr-text); border-radius: 9px;
    padding: 11px 16px; font-weight: 700; text-decoration: none; cursor: pointer;
}
.ceqr-button--primary { background: var(--ceqr-green); border-color: var(--ceqr-green); color: #fff; }
.ceqr-ticket-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.ceqr-ticket-card {
    position: relative; overflow: hidden; background: #fff; padding: 28px; border: 1px solid #d8dee5; border-radius: 18px;
    text-align: center; box-shadow: 0 12px 35px rgba(16,24,40,.07);
}
.ceqr-ticket-card::before { content: ""; display: block; height: 8px; position: absolute; top: 0; left: 0; right: 0; background: var(--ceqr-green); }
.ceqr-ticket-card--used::before { background: #d97706; }
.ceqr-ticket-card--cancelled::before { background: #b42318; }
.ceqr-ticket-number { font-size: 24px; font-weight: 800; margin: 8px 0 20px; }
.ceqr-ticket-code { min-height: 230px; display: flex; justify-content: center; align-items: center; }
.ceqr-ticket-code img, .ceqr-ticket-code canvas { max-width: 100%; height: auto !important; }
.ceqr-ticket-status { display: inline-flex; align-items: center; gap: 8px; margin: 18px 0 8px; font-size: 17px; font-weight: 800; }
.ceqr-ticket-status span { width: 11px; height: 11px; border-radius: 50%; background: var(--ceqr-green); }
.ceqr-ticket-card--used .ceqr-ticket-status span { background: #d97706; }
.ceqr-ticket-card--cancelled .ceqr-ticket-status span { background: #b42318; }
.ceqr-ticket-card p, .ceqr-ticket-card small { color: var(--ceqr-muted); }
.ceqr-ticket-footer { text-align: center; color: var(--ceqr-muted); padding: 24px; }
.ceqr-online-indicator { display: flex; align-items: center; gap: 7px; font-weight: 700; color: var(--ceqr-green-dark); }
.ceqr-online-indicator span { width: 10px; height: 10px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 5px rgba(34,197,94,.15); }
.ceqr-scanner-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; }
.ceqr-panel { background: #fff; border-radius: 16px; padding: 22px; box-shadow: 0 8px 28px rgba(16,24,40,.06); }
.ceqr-panel h2 { margin-top: 0; }
#ceqr-reader { width: 100%; margin: 12px 0; }
.ceqr-inline-form { display: flex; gap: 8px; }
.ceqr-inline-form input {
    min-width: 0; flex: 1; border: 1px solid #cfd5dc; border-radius: 9px; padding: 12px; font-size: 16px;
}
.ceqr-inline-form button, .ceqr-result-tickets button {
    border: 0; border-radius: 9px; padding: 11px 15px; background: var(--ceqr-green); color: #fff; font-weight: 700; cursor: pointer;
}
.ceqr-result-tickets button:disabled { background: #98a2b3; cursor: not-allowed; }
.ceqr-manual-token { margin-top: 15px; }
.ceqr-manual-token summary { cursor: pointer; font-weight: 700; margin-bottom: 10px; }
.ceqr-search-results { margin-top: 14px; display: grid; gap: 10px; max-height: 440px; overflow: auto; }
.ceqr-student-result { border: 1px solid #e1e5ea; border-radius: 12px; padding: 13px; display: grid; gap: 10px; }
.ceqr-student-result strong, .ceqr-student-result span { display: block; }
.ceqr-student-result span { color: var(--ceqr-muted); font-size: 14px; margin-top: 3px; }
.ceqr-result-tickets { display: flex; gap: 7px; flex-wrap: wrap; }
.ceqr-result { width: min(780px, 100%); margin: 20px auto; padding: 22px; border-radius: 14px; text-align: center; border: 2px solid transparent; }
.ceqr-result strong { display: block; font-size: 26px; margin-bottom: 6px; }
.ceqr-result--idle { background: #fff; }
.ceqr-result--success { background: #dcfce7; border-color: #16a34a; }
.ceqr-result--warning { background: #fef3c7; border-color: #d97706; }
.ceqr-result--error { background: #fee2e2; border-color: #dc2626; }
.ceqr-result--loading { background: #dbeafe; border-color: #2563eb; }
.ceqr-muted { color: var(--ceqr-muted); }

@media (max-width: 760px) {
    .ceqr-brand { min-height: 76px; padding: 8px 16px; }
    .ceqr-brand img { width: 56px; height: 56px; }
    .ceqr-brand strong { font-size: 28px; }
    .ceqr-ticket-intro, .ceqr-scanner-heading { align-items: stretch; flex-direction: column; }
    .ceqr-ticket-student { min-width: 0; width: 100%; }
    .ceqr-ticket-grid, .ceqr-scanner-layout { grid-template-columns: 1fr; }
    .ceqr-ticket-card { padding: 20px 14px; }
    .ceqr-inline-form { flex-direction: column; }
    .ceqr-ticket-actions .ceqr-button { flex: 1; text-align: center; }
}
@media print {
    body.ceqr-standalone { background: #fff; }
    .ceqr-brand { border-bottom-width: 3px; min-height: 65px; padding: 4px 20px; }
    .ceqr-brand img { width: 50px; height: 50px; }
    .ceqr-brand strong { font-size: 26px; }
    .ceqr-ticket-actions { display: none !important; }
    .ceqr-ticket-document { width: 100%; margin: 10px auto; }
    .ceqr-ticket-intro { margin-bottom: 8px; }
    .ceqr-ticket-intro h1 { font-size: 27px; }
    .ceqr-ticket-card { box-shadow: none; break-inside: avoid; padding: 17px; }
    .ceqr-ticket-code { min-height: 200px; }
    .ceqr-ticket-code img, .ceqr-ticket-code canvas { width: 200px !important; height: 200px !important; }
    .ceqr-ticket-footer { padding: 10px; }
}