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

:root {
    --primary: #FFA500;
    --primary-dark: #FF8C00;
    --secondary: #FF7F50;
    --accent: #FF6347;
    --danger: #FF4500;
    --background: #f8f9fa;
    --surface: rgba(255, 255, 255, 0.9);
    --text: #333;
    --text-light: #666;
    --border: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--text);
    min-height: 100vh;
    padding-bottom: 80px;
}

/* Header */
.app-header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 6px var(--shadow);
}

.app-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

.header-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Main Content */
.app-main {
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.content-section {
    display: none;
}

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

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.header-btn {
    background: var(--primary);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--shadow);
}

.header-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Glass Cards */
.stat-card, .report-card, .developer-card, .app-card, .no-data-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 8px 32px var(--shadow);
    transition: all 0.3s ease;
}

.stat-card:hover, .developer-card:hover, .app-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    color: white;
}

.stat-info h3 {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.stat-info p {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 0%;
}

/* Quick Actions */
.quick-actions {
    margin-bottom: 2rem;
}

.quick-actions h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.action-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
}

.action-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Recent Activity */
.recent-activity h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.activity-list {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem;
    max-height: 300px;
    overflow-y: auto;
}

.activity-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
}

.activity-text {
    flex: 1;
    font-size: 0.9rem;
}

.activity-time {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Developers Grid */
.developers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.developer-card {
    position: relative;
}

.developer-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.developer-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.developer-role {
    color: var(--text-light);
    font-size: 0.9rem;
}

.developer-actions {
    display: flex;
    gap: 0.5rem;
}

.icon-btn {
    background: none;
    border: none;
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-light);
}

.icon-btn:hover {
    background: var(--primary);
    color: white;
}

.developer-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-light);
}

.developer-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* Apps Grid */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
}

.filter-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.filter-tab {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    font-size: 0.9rem;
}

.filter-tab.active, .filter-tab:hover {
    background: var(--primary);
    color: white;
}

.app-card {
    position: relative;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.app-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.app-description {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 1rem;
}

.app-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-planning {
    background: #e3f2fd;
    color: #1976d2;
}

.status-development {
    background: #fff3e0;
    color: #f57c00;
}

.status-testing {
    background: #f3e5f5;
    color: #7b1fa2;
}

.status-published {
    background: #e8f5e8;
    color: #388e3c;
}

.priority-high {
    color: var(--danger);
}

.priority-medium {
    color: var(--primary);
}

.priority-low {
    color: var(--text-light);
}

/* Calendar */
.calendar-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-btn {
    background: var(--primary);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: var(--primary-dark);
}

#current-month {
    font-weight: 600;
    font-size: 1.1rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--border);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.calendar-day {
    background: var(--surface);
    padding: 1rem 0.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.calendar-day:hover {
    background: var(--primary);
    color: white;
}

.calendar-day.selected {
    background: var(--primary-dark);
    color: white;
}

.calendar-day.other-month {
    color: var(--text-light);
    background: #f5f5f5;
}

.calendar-day.has-events::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.calendar-events {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem;
}

.events-list {
    max-height: 200px;
    overflow-y: auto;
}

.event-item {
    padding: 0.75rem;
    background: var(--surface);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    border-left: 4px solid var(--primary);
}

.event-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.event-details {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Reports */
.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.report-card.full-width {
    grid-column: 1 / -1;
}

.period-select {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    cursor: pointer;
}

.performance-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.performance-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--surface);
    border-radius: 8px;
}

.performance-name {
    font-weight: 600;
}

.performance-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.metric-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
    background: var(--surface);
    border-radius: 8px;
}

.metric-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.status-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--surface);
    border-radius: 8px;
}

.status-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

.status-color.planning {
    background: #1976d2;
}

.status-color.development {
    background: #f57c00;
}

.status-color.testing {
    background: #7b1fa2;
}

.status-color.published {
    background: #388e3c;
}

/* FAQ */
.faq-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.5rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 165, 0, 0.1);
}

.faq-icon {
    font-size: 1.2rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
    line-height: 1.6;
    animation: fadeIn 0.3s ease;
}

.faq-answer[hidden] {
    display: none;
}

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

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-content {
    background: var(--surface);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: var(--border);
}

/* Forms */
form {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--surface);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 165, 0, 0.1);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* Buttons */
.primary-btn, .secondary-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

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

.primary-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.secondary-btn {
    background: var(--border);
    color: var(--text);
}

.secondary-btn:hover {
    background: var(--text-light);
    color: white;
}

/* No Data States */
.no-data-card {
    text-align: center;
    padding: 3rem 2rem;
    grid-column: 1 / -1;
}

.no-data-card i {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.no-data-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.no-data {
    text-align: center;
    color: var(--text-light);
    padding: 2rem;
    font-style: italic;
}

/* Notifications */
.notifications-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.notification {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    min-width: 300px;
    box-shadow: 0 8px 32px var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideInRight 0.3s ease;
}

.notification.success {
    border-left: 4px solid #4caf50;
}

.notification.error {
    border-left: 4px solid var(--danger);
}

.notification.info {
    border-left: 4px solid var(--primary);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-around;
    padding: 0.5rem 0;
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem;
    text-decoration: none;
    color: var(--text-light);
    transition: all 0.3s ease;
    border-radius: 12px;
    min-width: 60px;
}

.nav-item.active,
.nav-item:hover {
    color: var(--primary);
    background: rgba(255, 165, 0, 0.1);
}

.nav-item i {
    font-size: 1.2rem;
}

.nav-item span {
    font-size: 0.7rem;
    font-weight: 500;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 1rem 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-header {
        padding: 0.75rem;
    }
    
    .app-header h1 {
        font-size: 1.3rem;
    }
    
    .header-stats {
        font-size: 0.8rem;
        gap: 0.5rem;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-btn {
        justify-content: center;
    }
    
    .developers-grid,
    .apps-grid {
        grid-template-columns: 1fr;
    }
    
    .reports-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .calendar-day {
        min-height: 50px;
        padding: 0.5rem 0.25rem;
        font-size: 0.9rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .notifications-container {
        left: 1rem;
        right: 1rem;
    }
    
    .notification {
        min-width: auto;
    }
    
    .nav-item span {
        font-size: 0.65rem;
    }
}

@media (max-width: 480px) {
    .app-main {
        padding: 0.75rem;
    }
    
    .stat-card,
    .report-card,
    .developer-card,
    .app-card {
        padding: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.3rem;
    }
    
    .modal-content {
        margin: 0.5rem;
        max-height: 95vh;
    }
    
    .calendar-grid {
        gap: 0;
    }
    
    .calendar-day {
        min-height: 40px;
        font-size: 0.8rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --background: #1a1a1a;
        --surface: rgba(255, 255, 255, 0.05);
        --text: #ffffff;
        --text-light: #cccccc;
        --border: #333333;
        --shadow: rgba(0, 0, 0, 0.3);
        --glass-bg: rgba(255, 255, 255, 0.1);
        --glass-border: rgba(255, 255, 255, 0.1);
    }
    
    body {
        background: linear-gradient(135deg, #2d1810 0%, #3d2317 100%);
    }
    
    .calendar-day.other-month {
        background: #2a2a2a;
        color: #666;
    }
}

/* Print styles */
@media print {
    .bottom-nav,
    .app-header,
    .header-btn,
    .action-buttons,
    .modal {
        display: none !important;
    }
    
    .app-main {
        padding: 0;
    }
    
    .content-section {
        display: block !important;
        page-break-after: always;
    }
    
    .stat-card,
    .report-card,
    .developer-card,
    .app-card {
        background: white !important;
        border: 1px solid #ccc !important;
        box-shadow: none !important;
    }
}