/* Main Stylesheet for Graphology Web Application */

/* ==================== Global Styles ==================== */
:root {
    --sidebar-width: 250px;
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --sidebar-bg: #f8f9fa;
    --text-muted: #6c757d;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

/* ==================== Sidebar Styles ==================== */
.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
    background-color: var(--sidebar-bg);
    transition: transform 0.3s ease-in-out, width 0.3s ease-in-out;
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

main {
    transition: margin-left 0.3s ease-in-out, width 0.3s ease-in-out;
}

main.sidebar-collapsed {
    margin-left: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
}

.sidebar-header {
    padding-top: 1rem;
}

.sidebar .nav-link {
    font-weight: 500;
    color: #333;
    padding: 0.75rem 1rem;
    border-radius: 0.25rem;
    margin: 0.25rem 0.5rem;
    transition: all 0.2s ease;
}

.sidebar .nav-link:hover {
    background-color: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
}

.sidebar .nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

.sidebar .nav-link i {
    margin-right: 0.5rem;
}

/* ==================== Avatar Circle ==================== */
.avatar-circle {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

/* ==================== Main Content Area ==================== */
main {
    padding-top: 1rem;
}

/* Adjust main content area on larger screens */
@media (min-width: 768px) {
    main {
        margin-left: var(--sidebar-width);
    }
}

/* ==================== Cards ==================== */
.card {
    border: none;
    border-radius: 0.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
}

.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

/* ==================== Buttons ==================== */
.btn {
    border-radius: 0.25rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5568d3, #6a42a0);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

/* ==================== Forms ==================== */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.input-group-text {
    background-color: #f8f9fa;
    border-color: #dee2e6;
}

/* ==================== Alerts ==================== */
.alert {
    border-radius: 0.5rem;
    border: none;
}

/* ==================== Badges ==================== */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* ==================== Mobile Responsive ==================== */
@media (max-width: 767.98px) {
    .sidebar {
        top: 0;
        left: 0;
        right: 0;
        bottom: auto;
        height: auto;
        position: relative;
    }

    main {
        margin-left: 0;
    }
}

/* ==================== Utilities ==================== */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hover-lift {
    transition: transform 0.2s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

/* ==================== Loading Spinner ==================== */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
}

/* ==================== Custom Scrollbar ==================== */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: #dee2e6;
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: #adb5bd;
}

/* ==================== Page Transitions ==================== */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

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

/* ==================== Print Styles ==================== */
@media print {
    .sidebar,
    .btn,
    .alert {
        display: none !important;
    }

    main {
        margin-left: 0 !important;
    }
}