/* Base Styles - Circle Art Web Application */

/* Global Reset and Typography */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    
    --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Body and Typography */
body {
    font-family: var(--font-family-sans-serif);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.75rem;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.15s ease-in-out;
}

a:hover {
    color: #0a58ca;
    text-decoration: underline;
}

/* Cards */
.card {
    border: 1px solid rgba(0, 0, 0, 0.125);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: box-shadow 0.15s ease-in-out;
}

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

.card-header {
    background-color: rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    padding: 1rem 1.25rem;
}

.card-body {
    padding: 1.25rem;
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all 0.15s ease-in-out;
    cursor: pointer;
}

.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

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

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

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

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

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

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: #000;
}

/* Forms */
.form-control {
    border-radius: var(--border-radius);
    border: 1px solid #ced4da;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Navigation */
.navbar {
    background-color: #ffffff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: var(--box-shadow);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
}

.nav-link {
    font-weight: 500;
    transition: color 0.15s ease-in-out;
}

.nav-link:hover {
    color: var(--primary-color);
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

.alert-primary {
    background-color: #cfe2ff;
    color: #084298;
}

.alert-secondary {
    background-color: #e2e3e5;
    color: #41464b;
}

.alert-success {
    background-color: #d1e7dd;
    color: #0f5132;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    color: #055160;
}

/* Modals */
.modal-content {
    border-radius: var(--border-radius-lg);
    border: none;
    box-shadow: var(--box-shadow-lg);
}

.modal-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    padding: 1rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.125);
    padding: 1rem 1.5rem;
}

/* Utilities */
.shadow-sm {
    box-shadow: var(--box-shadow);
}

.shadow {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

.rounded {
    border-radius: var(--border-radius);
}

.rounded-lg {
    border-radius: var(--border-radius-lg);
}

/* Spinner Animations */
@keyframes spinner-border {
    to {
        transform: rotate(360deg);
    }
}

.spinner-border {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    vertical-align: -0.125em;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Responsive Typography */
@media (max-width: 576px) {
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
}

/* Focus Styles for Accessibility */
*:focus {
    outline: none;
}

.btn:focus,
.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Smooth Transitions */
* {
    transition: box-shadow 0.15s ease-in-out;
}

/* Print Styles */
@media print {
    .btn,
    .navbar,
    .modal,
    .alert {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
    
    .card {
        border: 1px solid #000;
        box-shadow: none;
    }
}