@import url('open-iconic/font/css/open-iconic-bootstrap.min.css');

:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --success-color: #4cc9f0;
    --dark-color: #1d3557;
    --light-color: #f8f9fa;
    --danger-color: #e63946;
    --warning-color: #fca311;
}

html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    height: 100%;
}

h1:focus {
    outline: none;
}

a, .btn-link {
    color: #0071c1;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem auto;
}

    .loading-progress circle {
        fill: none;
        stroke: #e0e0e0;
        stroke-width: 0.6rem;
        transform-origin: 50% 50%;
        transform: rotate(-90deg);
    }

        .loading-progress circle:last-child {
            stroke: #1b6ec2;
            stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
            transition: stroke-dasharray 0.05s ease-in-out;
        }

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

    .loading-progress-text:after {
        content: var(--blazor-load-percentage-text, "Loading");
    }

/* Custom styles for TutorialMaster */
/*.page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    background-color: #f8f9fa;
}

.navbar-brand {
    font-weight: 700;
    color: white !important;
}

.card {
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: all 0.3s;
}

    .card:hover {
        transform: translateY(-2px);
        box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    }

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

    .btn-primary:hover {
        background-color: var(--secondary-color);
        border-color: var(--secondary-color);
    }

.tutorial-content {
    line-height: 1.8;
    font-size: 1.1rem;
}

    .tutorial-content h1, .tutorial-content h2, .tutorial-content h3 {
        color: var(--dark-color);
        margin-top: 2rem;
        margin-bottom: 1rem;
    }

    .tutorial-content pre {
        background-color: #2b2b2b;
        color: #f8f8f2;
        padding: 1rem;
        border-radius: 0.375rem;
        overflow-x: auto;
    }*/

/* Mobile responsive */
/*@media (max-width: 768px) {
    .navbar-nav {
        text-align: center;
        padding: 1rem 0;
    }

    .navbar-collapse {
        margin-top: 1rem;
    }

    .content {
        padding: 1rem !important;
    }*/

    /* Ensure mobile menu works properly */
    /*.navbar-toggler {
        border: none;
    }

        .navbar-toggler:focus {
            box-shadow: none;
        }
}*/
.brand-logo {
    height: 40px; /* control size */
    width: 40px;
    object-fit: cover; /* keep aspect ratio inside */
    border-radius: 50%; /* makes it perfectly round */
    border: 2px solid #fff; /* optional: white border */
    background-color: #f8f9fa; /* optional: round bg */
    box-shadow: 0 2px 6px rgba(0,0,0,0.2); /* subtle shadow */
}
/* Rich Editor Styles */
.code-block {
    position: relative;
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 1rem;
    border-radius: 0.5rem;
    border-left: 4px solid #4361ee;
    margin: 1rem 0;
}

    .code-block .copy-code {
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .code-block:hover .copy-code {
        opacity: 1;
    }

.inline-code {
    background: #f8f9fa;
    color: #e83e8c;
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-size: 0.9em;
    border: 1px solid #e9ecef;
}

/* Tutorial Content Styles */
.tutorial-content h1 {
    color: #2c3e50;
    border-bottom: 3px solid #4361ee;
    padding-bottom: 0.5rem;
    margin: 2rem 0 1.5rem 0;
}

.tutorial-content h2 {
    color: #34495e;
    margin: 1.5rem 0 1rem 0;
    padding-top: 1rem;
}

.tutorial-content h3 {
    color: #5d6d7e;
    margin: 1.25rem 0 0.75rem 0;
}

.tutorial-content pre {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 1.5rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.5;
}

.tutorial-content blockquote {
    border-left: 4px solid #4361ee;
    padding-left: 1rem;
    margin-left: 0;
    color: #6c757d;
    font-style: italic;
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 0 0.5rem 0.5rem 0;
}

.tutorial-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

    .tutorial-content table th,
    .tutorial-content table td {
        border: 1px solid #dee2e6;
        padding: 0.75rem;
        text-align: left;
    }

    .tutorial-content table th {
        background-color: #4361ee;
        color: white;
    }

    .tutorial-content table tr:nth-child(even) {
        background-color: #f8f9fa;
    }

/* Side Navigation */
/*.sticky-top {
    z-index: 1020;
}

.list-group-item {
    border: none;
    padding: 0.75rem 1rem;
    color: #495057;
    transition: all 0.3s ease;
}

    .list-group-item:hover {
        background-color: #4361ee;
        color: white;
        padding-left: 1.5rem;
    }*/

/* Mobile Responsive */
/*@media (max-width: 768px) {
    .tutorial-content h1 {
        font-size: 1.75rem;
    }

    .tutorial-content h2 {
        font-size: 1.5rem;
    }

    .tutorial-content h3 {
        font-size: 1.25rem;
    }

    .code-block {
        padding: 0.75rem;
        font-size: 0.8rem;
    }
}*/

/* Syntax Highlighting (basic) */
.language-csharp .keyword {
    color: #569cd6;
}

.language-csharp .string {
    color: #ce9178;
}

.language-csharp .comment {
    color: #6a9955;
}

.language-csharp .number {
    color: #b5cea8;
}

.language-javascript .keyword {
    color: #569cd6;
}

.language-javascript .string {
    color: #ce9178;
}

.language-javascript .function {
    color: #dcdcaa;
}

.language-html .tag {
    color: #569cd6;
}

.language-html .attribute {
    color: #9cdcfe;
}

.language-html .value {
    color: #ce9178;
}

.language-css .property {
    color: #9cdcfe;
}

.language-css .value {
    color: #ce9178;
}

.language-css .selector {
    color: #d7ba7d;
}
/* Hierarchical Navigation */
.nav-pills .nav-link {
    border-radius: 0.375rem;
    margin-bottom: 0.25rem;
    text-align: left;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

    .nav-pills .nav-link:not(.active):hover {
        background-color: #e9ecef;
        color: #495057;
    }

    .nav-pills .nav-link.active {
        background-color: #4361ee;
        color: white;
    }

/* Nested navigation */
.nav-pills .nav .nav-link {
    padding-left: 2rem;
    font-size: 0.9rem;
    border-left: 2px solid #dee2e6;
}

    .nav-pills .nav .nav-link.active {
        border-left-color: #4361ee;
        background-color: rgba(67, 97, 238, 0.1);
        color: #4361ee;
    }

/* Topic cards */
.topic-card {
    transition: transform 0.2s ease-in-out;
}

    .topic-card:hover {
        transform: translateY(-2px);
    }

/* Difficulty badges */
.badge.bg-success {
    background-color: #28a745 !important;
}

.badge.bg-warning {
    background-color: #ffc107 !important;
    color: #000 !important;
}

.badge.bg-danger {
    background-color: #dc3545 !important;
}
/* Fix for navbar dropdowns on mobile */
@media (max-width: 768px) {
    .navbar-nav .dropdown-menu {
        position: static;
        float: none;
        background-color: transparent;
        border: none;
        box-shadow: none;
    }

    .navbar-nav .dropdown-item {
        color: rgba(255, 255, 255, 0.8);
        padding: 0.5rem 1rem;
    }

        .navbar-nav .dropdown-item:hover {
            color: white;
            background-color: transparent;
        }
}
