/* --- Tailwind Utility Imports --- */
@tailwind base;
@tailwind components;
@tailwind utilities;

@layer components {
    /* Premium UI Components */
    .glass-panel {
        @apply bg-white/60 dark:bg-slate-900/60 backdrop-blur-xl border border-white/50 dark:border-slate-700/50 shadow-[0_8px_30px_rgb(0,0,0,0.04)] dark:shadow-[0_8px_30px_rgb(0,0,0,0.2)];
    }

    .btn-primary {
        @apply inline-flex items-center justify-center px-4 py-2.5 text-sm font-semibold text-white bg-indigo-600 hover:bg-indigo-700 rounded-xl transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:ring-offset-2 dark:focus:ring-offset-slate-900 shadow-sm hover:shadow;
    }

    .btn-secondary {
        @apply inline-flex items-center justify-center px-4 py-2.5 text-sm font-semibold text-slate-700 dark:text-slate-200 bg-white/80 dark:bg-slate-800/80 hover:bg-slate-50 dark:hover:bg-slate-700 border border-slate-200 dark:border-slate-700 rounded-xl transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-slate-500 focus:ring-offset-2 dark:focus:ring-offset-slate-900 shadow-sm hover:shadow;
    }

    .btn-danger {
        @apply inline-flex items-center justify-center px-4 py-2.5 text-sm font-semibold text-red-600 dark:text-red-400 bg-red-50 dark:bg-red-900/20 hover:bg-red-100 dark:hover:bg-red-900/40 rounded-xl transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-red-500 focus:ring-offset-2 dark:focus:ring-offset-slate-900;
    }

    .btn-icon {
        @apply flex items-center justify-center w-9 h-9 rounded-lg transition-colors focus:outline-none focus:ring-2 focus:ring-indigo-500;
    }
}

/* --- Theme Mesh Backgrounds --- */
.background-mesh {
    background-color: #f8fafc;
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,0.03) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,0.03) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,0.03) 0, transparent 50%);
    transition: background 0.5s ease;
}

html.dark .background-mesh {
    background-color: #020617; /* slate-950 */
    background-image:
        radial-gradient(at 15% 18%, #1e1b4b 0px, transparent 50%),
        radial-gradient(at 77% 10%, #311042 0px, transparent 50%),
        radial-gradient(at 49% 91%, #0f172a 0px, transparent 50%),
        radial-gradient(at 93% 69%, #172554 0px, transparent 50%),
        radial-gradient(at 12% 82%, #1e1b4b 0px, transparent 50%);
}

/* --- Custom Scrollbars --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background-color: rgba(148, 163, 184, 0.4);
    border-radius: 20px;
    border: 2px solid transparent;
    background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
    background-color: rgba(100, 116, 139, 0.6);
}
html.dark ::-webkit-scrollbar-thumb {
    background-color: rgba(71, 85, 105, 0.6);
}
html.dark ::-webkit-scrollbar-thumb:hover {
    background-color: rgba(100, 116, 139, 0.8);
}

/* --- Segmented Tabs Logic --- */
.tab-btn.active {
    @apply bg-white dark:bg-slate-800 text-indigo-600 dark:text-indigo-400 shadow-sm border border-slate-200/50 dark:border-slate-700/50;
}
.tab-btn:not(.active) {
    @apply text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-slate-200 hover:bg-slate-100/50 dark:hover:bg-slate-800/50;
}

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
    animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* --- Toast Notifications System --- */
#toastContainer {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}
.toast {
    background: #ffffff;
    color: #0f172a;
    padding: 14px 20px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 40px -10px rgba(0,0,0,0.15);
    border: 1px solid #e2e8f0;
    animation: toastSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: auto;
}
html.dark .toast {
    background: #1e293b;
    color: #f8fafc;
    border-color: #334155;
    box-shadow: 0 10px 40px -10px rgba(0,0,0,0.5);
}
.toast::before {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981; /* emerald success */
}
.toast.error::before {
    background: #ef4444; /* red error */
}
@keyframes toastSlideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* --- Override QR styling --- */
#qrCode img, #qrCode canvas {
    margin: 0 auto;
    display: block;
}
.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.footer-links a {
    color: rgb(100 116 139);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all .2s ease;
}

.footer-links a:hover {
    color: rgb(99 102 241);
    transform: translateY(-2px);
}

.dark .footer-links a {
    color: rgb(148 163 184);
}

.dark .footer-links a:hover {
    color: rgb(129 140 248);
}