/* {{RIPER-5:
   Action: "Modified"
   Task_ID: "#7"
   Principle_Applied: "Aether-Engineering-SOLID, Shadcn-UI-Dark-Theme"
}} */

/* Shadcn UI Dark Theme Variables */
:root {
    --background: 0 0% 3.9%;
    --foreground: 0 0% 98%;
    --card: 0 0% 3.9%;
    --card-foreground: 0 0% 98%;
    --popover: 0 0% 3.9%;
    --popover-foreground: 0 0% 98%;
    --primary: 0 0% 98%;
    --primary-foreground: 0 0% 9%;
    --secondary: 0 0% 14.9%;
    --secondary-foreground: 0 0% 98%;
    --muted: 0 0% 14.9%;
    --muted-foreground: 0 0% 63.9%;
    --accent: 0 0% 14.9%;
    --accent-foreground: 0 0% 98%;
    --destructive: 0 62.8% 30.6%;
    --destructive-foreground: 0 0% 98%;
    --border: 0 0% 14.9%;
    --input: 0 0% 14.9%;
    --ring: 0 0% 83.1%;
    --radius: 0.5rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    border-color: hsl(var(--border));
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: hsl(var(--background));
    color: hsl(var(--foreground));
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: hsl(var(--background));
}

::-webkit-scrollbar-thumb {
    background: hsl(var(--border));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: hsl(var(--muted-foreground));
}

/* Shadcn UI Card Component */
.card {
    background-color: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    transition: all 0.2s ease-in-out;
}

.card:hover {
    border-color: hsl(var(--muted-foreground) / 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* Shadcn UI Button Component */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
    cursor: pointer;
    outline: none;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background-color: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    padding: 0.625rem 1.25rem;
    height: 2.5rem;
}

.btn-primary:hover {
    background-color: hsl(var(--primary) / 0.9);
}

.btn-secondary {
    background-color: hsl(var(--secondary));
    color: hsl(var(--secondary-foreground));
    padding: 0.625rem 1.25rem;
    height: 2.5rem;
}

.btn-secondary:hover {
    background-color: hsl(var(--secondary) / 0.8);
}

.btn-outline {
    border: 1px solid hsl(var(--border));
    background-color: transparent;
    color: hsl(var(--foreground));
    padding: 0.625rem 1.25rem;
    height: 2.5rem;
}

.btn-outline:hover {
    background-color: hsl(var(--accent));
    color: hsl(var(--accent-foreground));
}

.btn-ghost {
    background-color: transparent;
    padding: 0.625rem 1.25rem;
    height: 2.5rem;
}

.btn-ghost:hover {
    background-color: hsl(var(--accent));
    color: hsl(var(--accent-foreground));
}

.btn-lg {
    height: 2.75rem;
    padding: 0.75rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    height: 2.25rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
}

/* Input Component */
.input {
    display: flex;
    height: 2.5rem;
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid hsl(var(--input));
    background-color: hsl(var(--background));
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: hsl(var(--foreground));
    transition: all 0.2s ease-in-out;
}

.input:focus {
    outline: none;
    border-color: hsl(var(--ring));
    box-shadow: 0 0 0 2px hsl(var(--ring) / 0.2);
}

.input::placeholder {
    color: hsl(var(--muted-foreground));
}

textarea.input {
    min-height: 5rem;
    resize: vertical;
}

select.input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Badge Component */
.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 9999px;
    border: 1px solid transparent;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.2s ease-in-out;
}

.badge-default {
    background-color: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
}

.badge-secondary {
    background-color: hsl(var(--secondary));
    color: hsl(var(--secondary-foreground));
}

.badge-outline {
    color: hsl(var(--foreground));
    border-color: hsl(var(--border));
}

/* Navigation */
.nav-link {
    color: hsl(var(--muted-foreground));
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    transition: all 0.2s ease-in-out;
    font-size: 0.875rem;
    font-weight: 500;
}

.nav-link:hover {
    color: hsl(var(--foreground));
    background-color: hsl(var(--accent));
}

.nav-link.active {
    color: hsl(var(--foreground));
    background-color: hsl(var(--accent));
}

/* Navbar with blur */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background-color: hsl(var(--background) / 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid hsl(var(--border));
}

/* Mobile Menu */
.mobile-menu {
    background-color: hsl(var(--background) / 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid hsl(var(--border));
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 1.5rem;
    height: 0.125rem;
    background: hsl(var(--foreground));
    border-radius: 2px;
    transition: all 0.3s ease-in-out;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(0.4rem, 0.4rem);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(0.4rem, -0.4rem);
}

/* Separator */
.separator {
    height: 1px;
    background-color: hsl(var(--border));
    margin: 1.5rem 0;
}

/* Alert Component */
.alert {
    position: relative;
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid hsl(var(--border));
    padding: 1rem;
}

.alert-destructive {
    border-color: hsl(var(--destructive) / 0.5);
    color: hsl(var(--destructive));
    background-color: hsl(var(--destructive) / 0.1);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.25rem;
    line-height: 2.5rem;
}

h2 {
    font-size: 1.875rem;
    line-height: 2.25rem;
}

h3 {
    font-size: 1.5rem;
    line-height: 2rem;
}

p {
    line-height: 1.75;
}

.text-muted {
    color: hsl(var(--muted-foreground));
}

.text-sm {
    font-size: 0.875rem;
    line-height: 1.25rem;
}

.text-xs {
    font-size: 0.75rem;
    line-height: 1rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out forwards;
}

/* Grid System */
.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .md\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* Feature Card with Hover Effect */
.feature-card {
    position: relative;
    background-color: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: all 0.3s ease-in-out;
    cursor: pointer;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(135deg, transparent, hsl(var(--border)), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    border-color: hsl(var(--muted-foreground) / 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
}

/* Icon Wrapper */
.icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius);
    background-color: hsl(var(--accent));
    margin-bottom: 1rem;
}

/* Pricing Card */
.pricing-card {
    position: relative;
    background-color: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: 2rem;
    transition: all 0.3s ease-in-out;
}

.pricing-card.featured {
    border-color: hsl(var(--primary));
    background: linear-gradient(135deg, hsl(var(--card)), hsl(var(--accent)));
}

.pricing-card:hover {
    border-color: hsl(var(--muted-foreground) / 0.4);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5);
}

/* Footer */
footer {
    border-top: 1px solid hsl(var(--border));
    background-color: hsl(var(--background));
}

/* Code Block */
pre {
    background-color: hsl(var(--muted));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: 1rem;
    overflow-x: auto;
    font-size: 0.875rem;
}

code {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading State */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1rem;
    height: 1rem;
    margin: -0.5rem 0 0 -0.5rem;
    border: 2px solid hsl(var(--border));
    border-top-color: hsl(var(--foreground));
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Utility Classes */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 640px) {
    .container {
        max-width: 640px;
    }
}

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

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1280px;
    }
}

@media (min-width: 1536px) {
    .container {
        max-width: 1536px;
    }
}

/* Responsive helpers */
.hidden {
    display: none;
}

@media (min-width: 768px) {
    .md\:block {
        display: block;
    }
    
    .md\:flex {
        display: flex;
    }
    
    .md\:hidden {
        display: none;
    }
}