/* Software Management Handler - Modern Styling */

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f8fafc;
    color: #334155;
    line-height: 1.6;
}

/* Layout */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.page-content {
    flex: 1;
    padding: 2rem;
}

/* Mobile responsive main content */
@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
    }
    
    .page-content {
        padding: 1rem;
    }
}

/* Sidebar styles moved to sidebar.php include file */

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.page-content {
    flex: 1;
    padding: 2rem;
}

/* Header styles moved to header.php include file */

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: #f8fafc;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background: #f8fafc;
    border-top: 1px solid var(--border-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid transparent;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: #1d4ed8;
}

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

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

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

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

.btn-outline {
    background: transparent;
    border-color: var(--border-color);
    color: var(--dark-color);
}

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

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

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

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.875rem;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th {
    background: #f8fafc;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--dark-color);
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: #f8fafc;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.badge-secondary {
    background: rgba(100, 116, 139, 0.1);
    color: var(--secondary-color);
}

.badge-dark {
    background: rgba(30, 41, 59, 0.1);
    color: var(--dark-color);
}

/* Progress bars */
.progress {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.progress-bar-success {
    background: var(--success-color);
}

.progress-bar-warning {
    background: var(--warning-color);
}

.progress-bar-danger {
    background: var(--danger-color);
}

/* Grid system */
.row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.col {
    flex: 1;
}

.col-2 {
    flex: 0 0 calc(16.666667% - 1rem);
}

.col-3 {
    flex: 0 0 calc(25% - 1rem);
}

.col-4 {
    flex: 0 0 calc(33.333333% - 1rem);
}

.col-6 {
    flex: 0 0 calc(50% - 1rem);
}

.col-8 {
    flex: 0 0 calc(66.666667% - 1rem);
}

.col-12 {
    flex: 0 0 100%;
}

/* Dashboard specific */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.stat-trend {
    font-size: 0.75rem;
    margin-top: 0.5rem;
}

.trend-up {
    color: var(--success-color);
}

.trend-down {
    color: var(--danger-color);
}

/* Login page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 100%;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .header {
        margin: -1rem -1rem 1rem -1rem;
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .row {
        flex-direction: column;
    }
}

/* Utilities */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-success {
    color: var(--success-color);
}

.text-danger {
    color: var(--danger-color);
}

.text-warning {
    color: var(--warning-color);
}

.text-muted {
    color: var(--secondary-color);
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }

.rounded { border-radius: 6px; }
.rounded-lg { border-radius: 12px; }
.rounded-full { border-radius: 9999px; }

.shadow { box-shadow: var(--shadow); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Loading spinner */
.spinner {
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

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

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

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

.slide-in {
    animation: slideIn 0.3s ease-out;
}

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

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
}

.modal-content {
    background: white;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary-color);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
    border: 1px solid rgba(59, 130, 246, 0.2);
}