/* Main Application Styles for Edu-Game */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
}

/* Smooth transitions for all interactive elements */
a,
button,
input,
select,
textarea {
    transition: all 0.2s ease-in-out;
}

/* Dropdown Menu Styles */
.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.hidden {
    display: none !important;
}

/* User Menu Dropdown */
#userMenu,
#mobileUserMenu {
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.1);
    min-width: 200px;
    z-index: 1000;
}

#userMenu a,
#mobileUserMenu a,
#userMenu button,
#mobileUserMenu button {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.75rem 1rem;
    color: #374151;
    text-decoration: none;
    border: none;
    background: none;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

#userMenu a:hover,
#mobileUserMenu a:hover,
#userMenu button:hover,
#mobileUserMenu button:hover {
    background-color: #f3f4f6;
    color: #1f2937;
}

#userMenu a:first-child,
#mobileUserMenu a:first-child {
    border-radius: 0.5rem 0.5rem 0 0;
}

#userMenu button:last-child,
#mobileUserMenu button:last-child {
    border-radius: 0 0 0.5rem 0.5rem;
}

/* Utility classes */
.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Animation classes */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%,
    20%,
    53%,
    80%,
    100% {
        transform: translate3d(0, 0, 0);
    }
    40%,
    43% {
        transform: translate3d(0, -8px, 0);
    }
    70% {
        transform: translate3d(0, -4px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

.slide-in {
    animation: slideIn 0.4s ease-out;
}

.bounce {
    animation: bounce 1s;
}

/* Hover effects */
.hover-lift {
    transition: transform 0.2s ease-in-out;
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.hover-scale {
    transition: transform 0.2s ease-in-out;
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Button styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease-in-out;
    cursor: pointer;
    border: none;
    min-height: 44px;
    font-size: 1rem;
}

.btn-primary {
    background-color: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

.btn-success {
    background-color: #10b981;
    color: white;
}

.btn-success:hover {
    background-color: #059669;
}

.btn-danger {
    background-color: #ef4444;
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

/* Card styles */
.card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease-in-out;
    overflow: hidden;
}

.card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* Form styles */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s ease-in-out;
}

.form-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input.error {
    border-color: #ef4444;
}

/* Table styles */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.table th {
    background-color: #f9fafb;
    font-weight: 600;
    color: #374151;
}

.table tbody tr:hover {
    background-color: #f9fafb;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .dark-mode {
        background-color: #1f2937;
        color: #f9fafb;
    }

    .dark-mode .card {
        background-color: #374151;
        border-color: #4b5563;
    }
}

/* Print styles */
@media print {
    .bottom-nav,
    .top-nav,
    .footer {
        display: none !important;
    }

    main {
        padding: 0 !important;
    }
}