* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 35%, #e2e8f0 70%, #cbd5e1 100%);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(148, 163, 184, 0.15);
    --glass-hover: rgba(255, 255, 255, 0.95);
    --glass-bg-light: rgba(255, 255, 255, 0.9);
    --glass-border-light: rgba(148, 163, 184, 0.2);
    --glass-hover-light: rgba(255, 255, 255, 1);
    --glass-surface: rgba(255, 255, 255, 0.7);
    --glass-elevated: rgba(255, 255, 255, 0.95);
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --accent-color: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.2);
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 0 1px rgba(59, 130, 246, 0.1);
    --blur-light: blur(8px);
    --blur-medium: blur(12px);
    --blur-heavy: blur(16px);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--primary-gradient);
    min-height: 100vh;
    height: 100vh;
    color: var(--text-primary);
    overflow-x: hidden;
    overflow-y: hidden;
    line-height: 1.6;
    font-weight: 400;
    overscroll-behavior: none;
    margin: 0;
    padding: 0;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(99, 102, 241, 0.03) 0%, transparent 40%),
        linear-gradient(180deg, transparent 0%, rgba(241, 245, 249, 0.3) 100%);
    pointer-events: none;
    z-index: -1;
}



.app-container {
    display: flex;
    min-height: 100vh;
    height: 100vh;
    width: 100vw;
}

.sidebar {
    width: 300px;
    background: var(--glass-bg);
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
    border-right: 1px solid var(--glass-border);
    position: fixed;
    height: 100vh;
    z-index: 100;
    overflow-y: auto;
    box-shadow: var(--shadow-medium);
}

.sidebar-header {
    padding: 2rem 3rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: left;
    letter-spacing: -0.025em;
    margin: 0;
    position: relative;
}

.cursor {
    opacity: 1;
    animation: cursorBlink 1s infinite;
    background: linear-gradient(180deg, var(--success-color), var(--accent-color), var(--warning-color), var(--error-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 400;
}

@keyframes cursorBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}


@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.sidebar-nav {
    padding: 1.5rem 0;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0 0 1rem 2rem;
    position: relative;
    z-index: 1;
}

.nav-subsection {
    margin-bottom: 0.75rem;
}

.nav-subsection-title {
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 0.4rem 2.5rem;
    position: relative;
    z-index: 1;
    opacity: 0.6;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.4rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0.75rem;
    margin: 0 1rem 0.125rem 1rem;
    position: relative;
    font-weight: 500;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.9));
    border-radius: 0.75rem;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-light);
    z-index: 1;
}

.nav-link:hover::before,
.nav-link.active::before {
    opacity: 1;
    left: 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    transform: translateX(0.25rem) scale(1.02);
    box-shadow: var(--shadow-medium);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--success-color), var(--accent-color), var(--warning-color), var(--error-color));
    border-radius: 0.75rem 0.75rem 0 0;
    z-index: 3;
}

.nav-icon {
    width: 20px;
    height: 20px;
    margin-right: 1rem;
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes wiggle {
    0%, 100% { transform: scale(1.15) rotate(0deg); }
    25% { transform: scale(1.15) rotate(-8deg); }
    50% { transform: scale(1.15) rotate(8deg); }
    75% { transform: scale(1.15) rotate(-8deg); }
}

.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
    animation: wiggle 0.6s ease-in-out;
    color: var(--text-primary);
}


.nav-text {
    font-size: 0.95rem;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
}

.main-container {
    flex: 1;
    margin-left: 300px;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.header {
    background: var(--glass-elevated);
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-medium);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 3rem;
    height: 78px;
}

.category-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.025em;
    position: relative;
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: -0.125rem;
    left: 0;
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--success-color), var(--accent-color), var(--warning-color), var(--error-color), transparent);
    border-radius: 2px;
    box-shadow: var(--shadow-glow);
    opacity: 0.7;
}


.content-area {
    flex: 1;
    padding: 3rem;
    overflow-y: auto;
    overscroll-behavior: none;
    height: calc(100vh - 78px);
}

.cards-container {
    padding: 0.5rem 0;
    max-width: 1400px;
    margin: 0 auto;
}

/* Grid layout only for achievement cards */
.cards-container:has(.achievement-card) {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}

/* Fallback for browsers that don't support :has() */
.cards-container.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}

.achievement-card {
    width: 100%;
    height: 240px;
    background: var(--glass-elevated);
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
    padding: 1rem;
    border: 1px solid var(--glass-border-light);
    border-radius: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-light);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin: 0;
    will-change: transform;
}

.mandatory-ribbon {
    position: absolute;
    top: 15px;
    right: -35px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 4px 40px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transform: rotate(45deg);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
    z-index: 10;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.mandatory-ribbon::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    border-left: 3px solid #b91c1c;
    border-right: 3px solid transparent;
    border-bottom: 3px solid transparent;
}

.mandatory-ribbon::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 0;
    border-right: 3px solid #b91c1c;
    border-left: 3px solid transparent;
    border-bottom: 3px solid transparent;
}

.promoted-ribbon {
    position: absolute;
    top: 15px;
    right: -35px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 4px 40px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transform: rotate(45deg);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
    z-index: 9;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.promoted-ribbon::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    border-left: 3px solid #047857;
    border-right: 3px solid transparent;
    border-bottom: 3px solid transparent;
}

.promoted-ribbon::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 0;
    border-right: 3px solid #047857;
    border-left: 3px solid transparent;
    border-bottom: 3px solid transparent;
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.02), rgba(16, 185, 129, 0.02));
    border-radius: 1rem;
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.achievement-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-heavy);
    border-color: var(--accent-color);
}

.card-image {
    width: calc(100% - 1.5rem);
    height: 120px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.8));
    border-radius: 0.5rem;
    margin: 0 auto 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    border: 1px solid var(--glass-border-light);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-light);
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    padding: 0.75rem;
}

.achievement-card:hover .card-image {
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
}

.card-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-align: center;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
    letter-spacing: -0.025em;
    line-height: 1.3;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-points {
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 600;
    text-align: center;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.old-points {
    text-decoration: line-through;
    color: var(--text-muted);
    opacity: 0.7;
    margin-right: 0.5rem;
}

.new-points {
    color: var(--success-color);
    font-weight: 700;
    background: linear-gradient(135deg, var(--success-color), #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#promotedCarousel::-webkit-scrollbar {
    display: none;
}

.add-to-cart-btn {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid var(--accent-color);
    background: var(--glass-elevated);
    color: var(--accent-color);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 15;
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
    box-shadow: var(--shadow-light);
}

.add-to-cart-btn:hover {
    transform: scale(1.1);
    background: var(--accent-color);
    color: white;
    box-shadow: var(--shadow-medium);
}

.add-to-cart-btn.added {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.add-to-cart-btn.added {
    cursor: pointer;
}

.add-to-cart-btn.added:hover {
    transform: scale(1.1);
    background: var(--error-color);
    border-color: var(--error-color);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* Cart item styles */
.cart-item {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background: var(--glass-elevated);
    border-radius: 1rem;
    border: 1px solid var(--glass-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    cursor: pointer;
}

.cart-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(59, 130, 246, 0.05) 50%, transparent 100%);
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.cart-item:hover::before {
    left: 100%;
}

.cart-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    border-color: rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 0.98);
}

.cart-remove-btn {
    background: var(--glass-surface);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.2rem;
    font-weight: 600;
    position: relative;
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
}

.cart-remove-btn:hover {
    background: var(--error-color);
    border-color: var(--error-color);
    color: white;
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.cart-clear-btn {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
}

.cart-clear-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.cart-clear-btn:hover::before {
    left: 100%;
}

.cart-clear-btn:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

.cart-clear-btn:active {
    transform: translateY(0) scale(0.98);
}

/* Validation section styles */
.validation-section {
    background: var(--glass-elevated);
    border-radius: 1.5rem;
    border: 1px solid var(--glass-border);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-medium);
}

.validation-controls {
    display: flex;
    gap: 1rem;
    align-items: end;
    flex-wrap: wrap;
}

.validation-dropdown {
    flex: 1;
    min-width: 200px;
}

.validation-dropdown label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.validation-dropdown select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    background: var(--glass-surface);
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6,9 12,15 18,9'></polyline></svg>");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
}

.validation-dropdown select:hover {
    border-color: var(--accent-color);
    background: var(--glass-elevated);
    box-shadow: var(--shadow-light);
}

.validation-dropdown select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.validate-btn {
    background: linear-gradient(135deg, var(--accent-color), #2563eb);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.validate-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.validate-btn:hover::before {
    left: 100%;
}

.validate-btn:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.validate-btn:active {
    transform: translateY(0) scale(0.98);
}

.validation-result {
    margin-top: 1rem;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-align: left;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(-10px);
    min-height: 3rem;
    max-width: 500px;
    width: 500px;
    box-sizing: border-box;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: pre-line;
    line-height: 1.5;
}

.validation-result.show {
    opacity: 1;
    transform: translateY(0);
}

.validation-result.success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.05));
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.validation-result.error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.05));
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--error-color);
}

/* Sort controls styles */
.sort-controls {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
}

.sort-dropdown {
    position: relative;
}

.sort-dropdown label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-right: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sort-dropdown select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--glass-border);
    border-radius: 0.5rem;
    background: var(--glass-elevated);
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6,9 12,15 18,9'></polyline></svg>");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 0.8rem;
    padding-right: 2rem;
    min-width: 180px;
}

.sort-dropdown select:hover {
    border-color: var(--accent-color);
    background: var(--glass-hover);
    box-shadow: var(--shadow-light);
}

.sort-dropdown select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Menu cart summary styles */
.menu-cart-summary {
    font-size: 0.7rem;
    color: var(--text-muted);
    display: block;
    position: relative;
    z-index: 2;
    font-weight: 500;
}



.close-btn {
    background: var(--glass-surface);
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-light);
}

.close-btn:hover {
    background: var(--glass-hover);
    transform: scale(1.1) rotate(90deg);
    box-shadow: var(--shadow-medium);
}

.details-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.details-overlay.active {
    opacity: 1;
    visibility: visible;
}

.details-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    background: var(--glass-elevated);
    backdrop-filter: var(--blur-medium);
    -webkit-backdrop-filter: var(--blur-medium);
    border-radius: 0.75rem;
    border: 1px solid var(--glass-border);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
}

.details-modal::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--success-color), var(--accent-color), var(--warning-color), var(--error-color));
    border-radius: 0.75rem 0.75rem 0 0;
}

.details-modal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
    pointer-events: none;
}

.details-modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.details-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    border-bottom: 1px solid var(--glass-border);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
}

.details-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.025em;
}

.details-content {
    padding: 2rem;
    max-height: calc(90vh - 120px);
    overflow-y: auto;
}

.details-main {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--glass-border);
}

.details-icon {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.08));
    border-radius: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    border: 1px solid var(--glass-border);
    flex-shrink: 0;
    box-shadow: var(--shadow-light), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.details-info {
    flex: 1;
}

.details-info h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    letter-spacing: -0.025em;
}

.details-provider {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0 0 1rem 0;
    font-weight: 500;
}

.details-points {
    font-size: 1.25rem;
    color: var(--accent-color);
    font-weight: 600;
    margin: 0;
    text-shadow: 0 0 10px rgba(255, 203, 97, 0.3);
}

.details-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1rem;
}


.details-description {
    margin-bottom: 2rem;
}

.details-description h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 1rem 0;
    letter-spacing: -0.025em;
}

.details-description p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

.details-specs {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.spec-item {
    background: var(--glass-surface);
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
    padding: 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--glass-border);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.spec-item.official-link {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.1));
    border: 2px solid var(--accent-color);
    min-height: 100px;
    padding: 1.5rem;
    grid-column: span 2;
}

.spec-item.official-link h4 {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.spec-item.official-link a {
    color: var(--accent-color) !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    background: rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
}

.spec-item.official-link a:hover {
    background: var(--accent-color);
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.spec-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--success-color), var(--accent-color), var(--warning-color), var(--error-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.spec-item:hover::before {
    opacity: 1;
}

.spec-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    background: var(--glass-elevated);
}

.spec-item h4 {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin: 0 0 0.5rem 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.spec-item p {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.details-skills {
    margin-bottom: 1rem;
}

.details-skills h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 1rem 0;
    letter-spacing: -0.025em;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    background: var(--glass-surface);
    backdrop-filter: var(--blur-light);
    -webkit-backdrop-filter: var(--blur-light);
    color: var(--text-secondary);
    padding: 0.75rem 1.25rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-light);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.1) 50%, transparent 100%);
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-tag:hover::before {
    left: 100%;
}

.skill-tag:hover {
    transform: translateY(-2px);
    color: var(--text-primary);
    background: var(--glass-elevated);
    box-shadow: var(--shadow-medium);
}

@media (max-width: 1024px) {
    .sidebar {
        width: 260px;
    }
    
    .main-container {
        margin-left: 260px;
    }
    
    .cards-container:has(.achievement-card),
    .cards-container.grid-layout {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 0.75rem;
    }
    
    .content-area {
        padding: 1.25rem;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-container {
        margin-left: 0;
    }
    
    .header-content {
        padding: 1rem;
    }
    
    .category-title {
        font-size: 1.125rem;
    }
    
    .content-area {
        padding: 1rem;
    }
    
    .cards-container:has(.achievement-card),
    .cards-container.grid-layout {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 0.75rem;
    }
    
    .nav-link {
        margin: 0 0.5rem;
        border-radius: var(--radius-sm);
    }
    
    .details-modal {
        width: 95%;
        max-height: 95vh;
        border-radius: var(--radius-lg);
    }
    
    .details-main {
        flex-direction: column;
        text-align: center;
    }
    
    .details-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
        margin: 0 auto;
    }
    
    .details-specs {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: 1rem;
    }
    
    .spec-item.official-link {
        grid-column: span 1;
        min-height: 90px;
        padding: 1rem;
    }
    
    .details-header {
        padding: 1.25rem;
    }
    
    .details-content {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .achievement-card {
        padding: 1rem;
    }
    
    .card-image {
        width: 36px;
        height: 36px;
        font-size: 1.125rem;
    }
    
    .card-title {
        font-size: 0.8125rem;
    }
    
    .header-content {
        padding: 0.75rem 1rem;
    }
    
    .content-area {
        padding: 0.75rem;
    }
    
    .category-title {
        font-size: 1rem;
    }
    
    .details-specs {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }
    
    .spec-item {
        padding: 0.75rem;
        min-height: 70px;
    }
    
    .spec-item h4 {
        font-size: 0.75rem;
        margin-bottom: 0.25rem;
    }
    
    .spec-item p {
        font-size: 0.875rem;
    }
    
    .spec-item.official-link {
        grid-column: 1 / -1;
        min-height: 80px;
        padding: 1rem;
    }
    
    .spec-item.official-link h4 {
        font-size: 0.875rem;
    }
    
    .spec-item.official-link a {
        font-size: 0.875rem !important;
        padding: 0.4rem 0.8rem;
    }
}