/* QRMaster — Premium Component Styles */

:root {
    --brand-50: #eef2ff;
    --brand-100: #e0e7ff;
    --brand-200: #c7d2fe;
    --brand-300: #a5b4fc;
    --brand-400: #818cf8;
    --brand-500: #6366f1;
    --brand-600: #4f46e5;
    --brand-700: #4338ca;
    --brand-800: #3730a3;
    --brand-900: #312e81;
    --brand-950: #1e1b4b;
}

/* Base */
* { box-sizing: border-box; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation Links */
.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #64748b;
    transition: all 0.2s ease;
}
.nav-link:hover {
    color: #4f46e5;
    background: rgba(99, 102, 241, 0.1);
}
.dark .nav-link { color: #94a3b8; }
.dark .nav-link:hover { color: #818cf8; background: rgba(99, 102, 241, 0.1); }

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.35);
    transition: all 0.3s ease;
    text-decoration: none;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.45);
}
.btn-primary:active {
    transform: translateY(0);
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}
.btn-primary:hover::before { left: 100%; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 0.75rem;
    border: 1px solid #e2e8f0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #475569;
    box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
}
.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.1);
    border-color: #c7d2fe;
    background: white;
}
.dark .btn-secondary {
    border-color: #334155;
    background: rgba(15, 23, 42, 0.8);
    color: #e2e8f0;
}
.dark .btn-secondary:hover {
    background: rgba(30, 41, 59, 0.9);
    border-color: #6366f1;
}

/* Cards */
.card {
    border-radius: 1rem;
    border: 1px solid #e2e8f0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.15);
    border-color: #c7d2fe;
}
.dark .card {
    border-color: #1e293b;
    background: rgba(15, 23, 42, 0.8);
}
.dark .card:hover {
    border-color: #6366f1;
    box-shadow: 0 20px 40px -12px rgba(99, 102, 241, 0.2);
}

/* Inputs */
.input {
    width: 100%;
    border-radius: 0.75rem;
    border: 1px solid #e2e8f0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    color: #0f172a;
    transition: all 0.3s ease;
}
.input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    background: white;
}
.input::placeholder { color: #94a3b8; }
.dark .input {
    border-color: #334155;
    background: rgba(15, 23, 42, 0.8);
    color: #f1f5f9;
}
.dark .input:focus {
    background: rgba(15, 23, 42, 0.95);
    border-color: #818cf8;
}

/* Labels */
.label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #475569;
}
.dark .label { color: #cbd5e1; }

/* Social Icons */
.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 0.75rem;
    border: 1px solid #e2e8f0;
    background: white;
    color: #64748b;
    transition: all 0.3s ease;
}
.social-icon:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.1);
    color: #4f46e5;
    border-color: #c7d2fe;
}
.dark .social-icon {
    border-color: #334155;
    background: #1e293b;
    color: #94a3b8;
}
.dark .social-icon:hover {
    color: #818cf8;
    border-color: #6366f1;
}

/* Hero Section */
.hero-gradient {
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    position: relative;
    overflow: hidden;
}
.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
}

/* Feature Cards */
.feature-card {
    position: relative;
    padding: 2rem;
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6, #06b6d4);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}
.dark .feature-card {
    background: rgba(15, 23, 42, 0.9);
    border-color: rgba(99, 102, 241, 0.2);
}

/* Pricing Cards */
.pricing-card {
    position: relative;
    padding: 2.5rem;
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid #e2e8f0;
    transition: all 0.4s ease;
}
.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}
.pricing-card.pro {
    background: linear-gradient(135deg, #1e1b4b, #312e81);
    border-color: rgba(99, 102, 241, 0.3);
    color: white;
    box-shadow: 0 25px 50px -12px rgba(99, 102, 241, 0.25);
}
.pricing-card.pro:hover {
    box-shadow: 0 30px 60px -12px rgba(99, 102, 241, 0.35);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.badge-pro {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    box-shadow: 0 2px 8px 0 rgba(99, 102, 241, 0.3);
}
.badge-free {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }
    50% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.6); }
}
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }
.dark ::-webkit-scrollbar-track { background: #1e293b; }
.dark ::-webkit-scrollbar-thumb { background: #475569; }

/* Selection */
::selection {
    background: rgba(99, 102, 241, 0.2);
    color: #4f46e5;
}
.dark ::selection {
    background: rgba(99, 102, 241, 0.3);
    color: #a5b4fc;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.dark .glass {
    background: rgba(15, 23, 42, 0.8);
    border-color: rgba(99, 102, 241, 0.2);
}

/* Responsive */
@media (max-width: 640px) {
    .btn-primary, .btn-secondary { width: 100%; }
    .feature-card, .pricing-card { padding: 1.5rem; }
}