@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* CSS Reset & Core Defaults */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    height: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-darkest);
    color: var(--text-primary);
    min-height: 100%;
    overflow-x: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar (Gaming Style) */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--bg-darkest);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

p {
    color: var(--text-secondary);
}

a {
    color: var(--text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary);
}

/* Base Layout Structure */
#app {
    min-height: calc(100vh - var(--header-height));
    padding-top: var(--header-height);
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    padding: 2rem 1.5rem;
    max-width: var(--container-max-width);
    width: 100%;
    margin: 0 auto;
}

/* Common Layout Helpers */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.grid-responsive {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 640px) {
    .grid-responsive {
        grid-template-columns: 1fr;
    }
}

/* Glassmorphism utility */
.glass {
    background: var(--bg-glass);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-glass);
    border-radius: var(--border-radius-md);
}

.glass-card {
    background: var(--bg-glass-card);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-glass);
    border-radius: var(--border-radius-md);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    border-color: var(--border-glass-hover);
    box-shadow: var(--glow-primary), var(--shadow-glass);
    transform: translateY(-4px);
}

/* Custom Buttons styling */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    user-select: none;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    box-shadow: var(--glow-primary);
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.btn-accent:hover:not(:disabled) {
    background: var(--accent-hover);
    box-shadow: var(--glow-accent);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    box-shadow: 0 4px 15px rgba(244, 63, 94, 0.2);
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-dark);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-darker);
    border-color: var(--text-secondary);
}

.btn-glass {
    background: var(--border-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
}

.btn-glass:hover:not(:disabled) {
    background: var(--border-glass-hover);
    border-color: var(--border-glass-hover);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
    transform: none !important;
}

/* Custom Inputs styling */
.form-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    background-color: var(--bg-darkest);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-md);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* Badges System */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
}

.badge-primary { background: rgba(var(--primary-rgb), 0.1); color: var(--primary); border: 1px solid rgba(var(--primary-rgb), 0.2); }
.badge-accent { background: rgba(var(--accent-rgb), 0.1); color: var(--accent); border: 1px solid rgba(var(--accent-rgb), 0.2); }
.badge-danger { background: rgba(var(--danger-rgb), 0.1); color: var(--danger); border: 1px solid rgba(var(--danger-rgb), 0.2); }
.badge-warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.2); }

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(90deg, var(--bg-dark) 25%, var(--bg-card) 50%, var(--bg-dark) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--border-radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Page Transitions */
.fade-in {
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Overlay / Modal Styles */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--modal-backdrop);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: scaleIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scaleIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* Credit amount visual animation */
.credits-counter {
    font-weight: 700;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.credits-counter::before {
    content: '🪙';
}

.credits-pulse {
    animation: creditPulse 0.8s ease-out;
}

@keyframes creditPulse {
    0% { transform: scale(1); filter: brightness(1); }
    50% { transform: scale(1.15); filter: brightness(1.4); text-shadow: 0 0 10px rgba(16, 185, 129, 0.6); }
    100% { transform: scale(1); filter: brightness(1); }
}