/* ===================================
   QRMy — Global Stylesheet (PWA-Ready)
   =================================== */

/* Base */
:root {
    --qr-primary: #4f46e5;
    --qr-primary-light: #6366f1;
    --qr-primary-dark: #4338ca;
    --qr-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);
    --qr-bg: #f8fafc;
    --qr-surface: #ffffff;
    --qr-text: #1e293b;
    --qr-muted: #64748b;
    --qr-border: #e2e8f0;
    --qr-radius: 12px;
    --qr-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --qr-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --qr-shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
}

* { -webkit-tap-highlight-color: transparent; }

html { scroll-behavior: smooth; color-scheme: light; }

body {
    background: var(--qr-bg);
    color: var(--qr-text);
    min-height: 100vh;
    min-height: 100dvh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overscroll-behavior-y: contain;
}

/* PWA standalone mode tweaks */
@media all and (display-mode: standalone) {
    body { padding-top: env(safe-area-inset-top); }
    .navbar { padding-top: env(safe-area-inset-top); }
}

/* Navbar — clean white */
.navbar {
    background: var(--qr-surface) !important;
    border-bottom: 1px solid var(--qr-border);
    box-shadow: var(--qr-shadow);
}
.navbar-brand {
    font-weight: 800; letter-spacing: 0.5px;
    color: var(--qr-primary) !important;
    -webkit-text-fill-color: var(--qr-primary);
}
.navbar .nav-link {
    font-weight: 500; color: var(--qr-muted); border-radius: 8px;
    transition: color 0.2s, background 0.2s;
}
.navbar .nav-link:hover { color: var(--qr-primary); background: #f1f5f9; }
.navbar .nav-link.active {
    color: var(--qr-primary) !important; font-weight: 600;
    background: rgba(99,102,241,0.08);
}
.navbar-toggler { border: 1px solid var(--qr-border); }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2364748b' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.dropdown-menu { border: 1px solid var(--qr-border); box-shadow: var(--qr-shadow-md); border-radius: 10px; }
.dropdown-item { border-radius: 6px; margin: 2px 4px; }
.badge.bg-info { background: rgba(99,102,241,0.12) !important; color: var(--qr-primary); font-weight: 600; }

/* Cards */
.card {
    border-radius: var(--qr-radius);
    border: 1px solid var(--qr-border);
    background: var(--qr-surface);
    box-shadow: var(--qr-shadow);
}
.card-header { background: var(--qr-surface); border-bottom: 1px solid var(--qr-border); }
.qr-card { transition: transform 0.2s, box-shadow 0.2s; }
.qr-card:hover { transform: translateY(-3px); box-shadow: var(--qr-shadow-lg); }

/* Stat cards */
.stat-card { border-left: 4px solid; border-radius: var(--qr-radius); }
.stat-card.primary { border-color: var(--qr-primary); }
.stat-card.success { border-color: #10b981; }
.stat-card.warning { border-color: #f59e0b; }
.stat-card.danger { border-color: #ef4444; }

/* Badges */
.badge-active { background: #10b981; }
.badge-inactive { background: #ef4444; }
.badge-expired { background: #f59e0b; color: #000; }

/* Tables */
.table { color: var(--qr-text); }
.table-responsive { -webkit-overflow-scrolling: touch; }
.table th { font-weight: 600; color: var(--qr-muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; }
.table td { vertical-align: middle; }
.table-hover tbody tr:hover { background: #f8fafc; }

/* Buttons */
.btn {
    border-radius: 10px; font-weight: 600;
    transition: transform 0.15s, box-shadow 0.15s;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--qr-primary); border-color: var(--qr-primary); }
.btn-primary:hover { background: var(--qr-primary-dark); border-color: var(--qr-primary-dark); }

/* Forms */
.form-control, .form-select {
    border: 1px solid var(--qr-border); color: var(--qr-text);
    border-radius: 8px; transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--qr-primary-light);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}
.form-text { color: var(--qr-muted); }

/* Footer */
footer { font-size: 0.85rem; color: var(--qr-muted); }
footer a { color: var(--qr-muted); }
footer a:hover { color: var(--qr-primary); }

/* Install Banner */
.pwa-install-banner {
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--qr-surface);
    border-top: 1px solid var(--qr-border);
    padding: 1rem;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
    z-index: 1050;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}
.pwa-install-banner.show { transform: translateY(0); }
.pwa-install-banner .btn-install {
    background: var(--qr-gradient);
    color: #fff; border: none; border-radius: 10px;
    padding: 0.5rem 1.5rem; font-weight: 600;
}
.pwa-install-banner .btn-dismiss {
    background: none; border: none; color: var(--qr-muted);
    font-size: 0.85rem; text-decoration: underline;
}

/* Alert polish */
.alert { border-radius: 10px; border: none; }

/* ================================= */
/* RESPONSIVE                        */
/* ================================= */

@media (max-width: 575.98px) {
    .container { padding-left: 1rem; padding-right: 1rem; }
    h1 { font-size: 1.6rem; }
    h5 { font-size: 1.1rem; }
    .btn-lg { font-size: 1rem; padding: 0.75rem 1.5rem; }
    .card-body { padding: 1rem; }
    .table th, .table td { font-size: 0.875rem; padding: 0.5rem; }
    .btn-group-sm > .btn { padding: 0.35rem 0.6rem; font-size: 0.85rem; }
    .navbar-brand { font-size: 1.1rem; }
    .nav-link { font-size: 0.9rem; padding: 0.5rem 0.8rem !important; }
    .nav-link, .btn, .dropdown-item { min-height: 44px; display: inline-flex; align-items: center; }
}

@media (min-width: 576px) and (max-width: 767.98px) {
    .container { max-width: 100%; padding-left: 1.5rem; padding-right: 1.5rem; }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    .container { max-width: 95%; }
}

@media (min-width: 1200px) {
    .container { max-width: 1140px; }
}

@media (max-height: 500px) and (orientation: landscape) {
    .gen-hero { padding: 1rem 0 0.5rem; }
    .gen-hero h1 { font-size: 1.5rem; }
    .gen-hero p { font-size: 0.9rem; }
}

@media print {
    .navbar, footer, .pwa-install-banner, .btn { display: none !important; }
    body { background: #fff; }
    .card { box-shadow: none; border: 1px solid #ddd; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}