:root {
    /* Kolory - uporządkowane i zoptymalizowane */
    --blue-gradient: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    --blue-accent: #3b82f6;
    --blue-accent-hover: #2563eb;
    --blue-light: #60a5fa;
    --blue-dark: #1e40af;

    /* Tła */
    --bg-primary: #0f172a;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --bg-sidebar: #1e293b;
    --card-bg: #1e293b;
    --card-bg-hover: #253449;

    /* Teksty */
    --text-primary: #f8fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --text-sidebar: #f1f5f9;

    /* Status colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;

    /* Badges */
    --badge-blue-bg: rgba(59, 130, 246, 0.2);
    --badge-green-bg: rgba(16, 185, 129, 0.2);
    --badge-purple-bg: rgba(139, 92, 246, 0.2);
    --badge-amber-bg: rgba(245, 158, 11, 0.2);

    /* Layout */
    --border-color: #4b5563;
    --hover-bg: #334155;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 50%;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Profile Header Section */
.profile-header {
    background: var(--blue-gradient);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-lg);
}

.profile-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.05'/%3E%3C/svg%3E");
    opacity: 0.5;
    pointer-events: none;
}

/* Profile Content */
.profile-popup-content {
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

.profile-info-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.profile-avatar {
    position: relative;
    width: 15dvh;
    height: 15dvh;
    border-radius: var(--radius-full);
    background-color: var(--blue-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: bold;
    color: white;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    flex-shrink: 0;
}

.profile-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-avatar .upload-overlay {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 25%;
    height: 25%;
    background: var(--blue-accent);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-normal);
    font-size: 12px;
    z-index: 100;
}

.profile-avatar:hover .upload-overlay {
    opacity: 1;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.join-date {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 0.75rem;
    color: var(--blue-light);
    opacity: 0.9;
}

.completion-container {
    width: 100%;
    margin-top: var(--spacing-xs);
}

.completion-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--blue-light);
    margin-bottom: var(--spacing-xs);
}

.progress-container {
    width: 100%;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--blue-light), #6366f1);
    border-radius: 3px;
    transition: width var(--transition-slow);
}

/* User Info Grid */
.user-info-grid {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
}

.info-box {
    background-color: rgba(26, 54, 93, 0.7);
    padding: var(--spacing-sm);
    border-radius: var(--spacing-sm);
    text-align: center;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
    flex: auto;
    min-width: 0;
}

.info-box p {
    margin: 0;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.info-box:hover {
    transform: translateY(-2px);
    background-color: rgba(26, 54, 93, 0.9);
}

.stat-card {
    border-left: 4px solid var(--blue-accent);
}

.info-box h4 {
    margin: 0 0 2px 0;
    font-size: 0.65rem;
    color: var(--blue-light);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.info-box p {
    margin: 0;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-icon {
    color: var(--blue-light);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

/* Tabs */
.tab-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    height: 40px;
    margin: 0 var(--spacing-lg);
    overflow: hidden;
}

.tab-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.tab-button:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
}

.tab-button.active {
    color: var(--blue-light);
    background-color: var(--bg-tertiary);
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--blue-accent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Quick Actions */
.quick-actions-section {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: rgba(26, 54, 93, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.quick-actions-section h3,
.latest_projects h3 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: 0.875rem;
    color: var(--blue-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(50px, 1fr));
    gap: var(--spacing-md);
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
}

.quick-action-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform var(--transition-fast);
}

.quick-action-item:hover {
    transform: translateY(-3px);
}

.action-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(66, 153, 225, 0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xs);
    transition: background-color var(--transition-fast);
}

.quick-action-item:hover .action-icon {
    background-color: rgba(66, 153, 225, 0.3);
}

.action-icon i {
    font-size: 1rem;
    color: var(--blue-light);
}

.quick-action-item span {
    font-size: 0.75rem;
    color: var(--blue-light);
    text-align: center;
    line-height: 1.2;
}

/* Latest Projects */
.latest_projects {
    padding: var(--spacing-md) var(--spacing-lg);
}

.cards {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
    scroll-behavior: smooth;
}

.card {
    min-width: 250px;
    flex-shrink: 0;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
}

.card-header {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    margin: 0;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

.card-body {
    padding: var(--spacing-sm) var(--spacing-md);
}

.card-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    height: 42px;
}

.btn i {
    margin-right: 0.5rem;
}

.btn-primary {
    background-color: var(--blue-accent);
    color: white;
}

.btn-primary:hover {
    background-color: var(--blue-accent-hover);
}

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

.btn-outline:hover {
    background-color: var(--bg-tertiary);
}

/* Logout Section */
.logout-section {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    justify-items: center;
}

.logout-button {
    width: 40%;
    background-color: var(--danger-color);
    color: white;
}

.logout-button:hover {
    background-color: #dc2626;
}

/* Close Button */
.close-popup-button {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
    z-index: 10;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-popup-button:hover {
    color: var(--danger-color);
}

/* Storage Section */
.storage-section {
    margin-top: var(--spacing-lg);
}

.storage-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--blue-accent);
}

.storage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.storage-title {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.storage-title i {
    color: var(--blue-light);
}

.storage-progress {
    height: 8px;
    background: var(--bg-primary);
    border-radius: var(--spacing-xs);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.storage-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--blue-accent), #6366f1);
    border-radius: var(--spacing-xs);
    transition: width var(--transition-slow);
}

.storage-bar.warning {
    background: linear-gradient(90deg, var(--warning-color), #f97316);
}

.storage-bar.danger {
    background: linear-gradient(90deg, var(--danger-color), #b91c1c);
}

.storage-details {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.storage-used {
    font-weight: 500;
    color: var(--text-secondary);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-blue {
    background: var(--badge-blue-bg);
    color: var(--blue-light);
}

.badge-green {
    background: var(--badge-green-bg);
    color: #34d399;
}

.badge-purple {
    background: var(--badge-purple-bg);
    color: #a78bfa;
}

.badge-amber {
    background: var(--badge-amber-bg);
    color: #fbbf24;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
}

.empty-state-icon {
    font-size: 3rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.empty-state-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
    opacity: 0.5;
}

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

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

.fade-in {
    animation: fadeIn var(--transition-slow) ease forwards;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .cards {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .user-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-md: 12px;
        --spacing-lg: 16px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .user-info-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .quick-actions-grid {
        grid-template-columns: repeat(auto-fit, minmax(40px, 1fr));
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .tab-buttons {
        font-size: 0.75rem;
    }

    .action-icon {
        width: 50px;
        height: 50px;
    }

    .storage-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .profile-info-section {
        flex-direction: column;
        text-align: center;
    }

    .tab-buttons {
        grid-template-columns: repeat(2, 1fr);
        height: auto;
    }

    .tab-button {
        padding: var(--spacing-sm);
        min-height: 40px;
    }
}

.profile-header .grid {
    display: flex !important;
    gap: 0.5rem !important;
    margin-bottom: 1rem;
}

.profile-header .grid > div {
    flex: 1;
    min-width: 0;
    padding: 0.75rem !important;
    font-size: 0.875rem;
}

.profile-header .grid h4 {
    font-size: 0.65rem !important;
    margin-bottom: 0.25rem !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.profile-header .grid p {
    font-size: 0.8rem !important;
    line-height: 1.2 !important;
    word-break: break-word;
}

.quick-actions-section-dashboard {
    display: flex !important;
    justify-content: center;
    gap: 2rem !important;
    padding: 1rem 0 !important;
    background: rgba(26, 54, 93, 0.3) !important;
    border-radius: 0.5rem;
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .profile-header .grid {
        flex-direction: column !important;
        gap: 0.5rem !important;
    }
}

.profile-header [style*="overflow-x: scroll"] {
    overflow-x: visible !important;
}

@media (min-width: 768px) {
    .profile-header .md\:border-l {
        border-left: 1px solid rgba(59, 130, 246, 0.3) !important;
        padding-left: 1.5rem !important;
    }
}