* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: #f0f2f5;
    color: #1a1a2e;
    padding: 1rem;
}

/* Toolbar */
.qr-toolbar {
    max-width: 1100px;
    margin: 0 auto 1.5rem;
}

.toolbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.toolbar-inner h1 {
    font-size: 1.35rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-back {
    color: #d00000;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.btn-back:hover {
    text-decoration: underline;
}

.btn-print {
    background: linear-gradient(135deg, #e85d04, #d00000);
    color: white;
    border: none;
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-print:hover {
    opacity: 0.9;
}

.qr-info {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    display: flex;
    gap: 0.75rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.qr-info i {
    color: #e85d04;
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.qr-info code {
    background: rgba(0, 0, 0, 0.06);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.qr-info .warn {
    color: #d00000;
    font-size: 0.85rem;
}

/* Grid */
.qr-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Card */
.qr-card {
    background: white;
    border-radius: 16px;
    padding: 1.25rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid #e9ecef;
    break-inside: avoid;
    page-break-inside: avoid;
}

.qr-card-header {
    margin-bottom: 0.5rem;
}

.qr-brand {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #d00000;
}

.qr-mesa-numero {
    font-size: 2rem;
    font-weight: 900;
    color: #1a1a2e;
    margin-bottom: 0.75rem;
}

.qr-canvas-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.qr-canvas {
    border-radius: 8px;
    max-width: 100%;
}

.qr-card-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.btn-ampliar {
    background: linear-gradient(135deg, #e85d04, #d00000);
    color: white;
    border: none;
    padding: 0.6rem 1.1rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-ampliar:hover {
    color: white;
    opacity: 0.92;
    transform: scale(1.03);
}

.btn-download {
    background: #f0f2f5;
    border: none;
    padding: 0.6rem 0.85rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    color: #1a1a2e;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    min-height: 44px;
    min-width: 44px;
}

.qr-instrucao {
    font-size: 0.8rem;
    color: #6c757d;
    margin-bottom: 0.35rem;
}

.qr-local {
    font-size: 0.75rem;
    color: #e85d04;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.qr-url {
    font-size: 0.6rem;
    color: #adb5bd;
    word-break: break-all;
    margin-bottom: 0.75rem;
}

.btn-download:hover {
    background: #e9ecef;
}

@media print {
    body {
        background: white;
        padding: 0;
    }

    .no-print {
        display: none !important;
    }

    .qr-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
        max-width: 100%;
    }

    .qr-card {
        box-shadow: none;
        border: 2px dashed #ccc;
        padding: 1rem;
        margin-bottom: 0.5rem;
    }

    .qr-mesa-numero {
        font-size: 1.75rem;
    }

    .qr-url {
        font-size: 0.55rem;
    }
}

@media (max-width: 479px) {
    body {
        padding: max(0.75rem, env(safe-area-inset-top)) max(0.75rem, env(safe-area-inset-right)) max(0.75rem, env(safe-area-inset-bottom)) max(0.75rem, env(safe-area-inset-left));
    }

    .toolbar-inner {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .toolbar-inner h1 {
        font-size: 1.15rem;
        justify-content: center;
    }

    .btn-print {
        width: 100%;
        justify-content: center;
        min-height: 48px;
    }

    .qr-info {
        flex-direction: column;
        font-size: 0.85rem;
    }

    .qr-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .qr-card-actions {
        flex-direction: column;
    }

    .btn-ampliar {
        width: 100%;
        justify-content: center;
        min-height: 48px;
    }

    .qr-card {
        padding: 1rem 0.75rem;
    }

    .qr-mesa-numero {
        font-size: 1.5rem;
    }
}

@media (min-width: 480px) and (max-width: 767px) {
    .qr-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.75rem;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .qr-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .qr-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }
}

/* ===== ECRÃ INTEIRO — QR GRANDE ===== */
.qr-fullscreen-page {
    min-height: 100vh;
    min-height: 100dvh;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.qr-fs-back {
    position: fixed;
    top: max(1rem, env(safe-area-inset-top));
    left: max(1rem, env(safe-area-inset-left));
    width: 44px;
    height: 44px;
    background: #f0f2f5;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a1a2e;
    text-decoration: none;
    font-size: 1.25rem;
    z-index: 10;
}

.qr-fullscreen {
    text-align: center;
    width: 100%;
    max-width: 480px;
}

.qr-fs-brand {
    font-size: 0.85rem;
    font-weight: 700;
    color: #d00000;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.qr-fs-brand i {
    font-size: 1.1rem;
}

.qr-fs-mesa {
    font-size: clamp(3rem, 12vw, 4.5rem);
    font-weight: 900;
    color: #1a1a2e;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.qr-fs-local {
    font-size: 1rem;
    color: #e85d04;
    font-weight: 600;
    margin-bottom: 2rem;
}

.qr-fs-canvas-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: #fafafa;
    border-radius: 24px;
    border: 3px solid #e9ecef;
}

#qr-fullscreen-canvas {
    display: block;
    border-radius: 12px;
}

.qr-fs-instrucao {
    font-size: clamp(1.1rem, 4vw, 1.4rem);
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.qr-fs-instrucao i {
    color: #e85d04;
    font-size: 1.5rem;
}

.qr-fs-sub {
    font-size: 1rem;
    color: #6c757d;
    margin-bottom: 1.5rem;
}

.qr-fs-link {
    display: inline-block;
    color: #d00000;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border: 2px solid #d00000;
    border-radius: 50px;
}

.qr-fs-link:hover {
    background: #d00000;
    color: white;
}

@media (max-width: 480px) {
    .qr-fullscreen-page {
        padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
    }

    .qr-fs-canvas-wrap {
        padding: 0.75rem;
        border-radius: 20px;
    }

    .qr-fs-link {
        width: 100%;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}