:root {
    --background-color: #1a202e;      /* Deep navy night */
    --primary-color: #3a4f6f;         /* Rich medium blue */
    --primary-color-light: #4a5f7f;    /* Lighter shade for hover/borders */
    --secondary-color: #2d3f5c;       /* Deeper blue */
    --accent-color: #5b89b3;          /* Glowing blue highlight */
    --text-color: #ffffff;            /* Pure white */
    --heading-color: #c5d5e6;         /* Soft sky blue */

    /* UI Specific */
    --form-background: #222837;       /* Slightly lighter background */
    --text-on-primary: #ffffff;       /* White text */
    --button-text: #ffffff;           /* White text */

    /* Neutrals */
    --neutral-light: #d8e1ea;        /* Bright blue-white */
    --neutral-medium: #8494a7;       /* Muted blue-gray */
    --neutral-dark: #2d364a;         /* Deep blue shadow */

    /* Action Colors */
    --success-color: #3b8d5a;
    --success-color-hover: #4caf7a;
    --danger-color: #c74a4a;
    --danger-color-hover: #e05d5d;
}

@font-face {
    font-family: "PT Serif";
    src: url("../res/fonts/PTSerif-Regular.ttf") format("truetype");
    font-weight: 400;
    font-style: normal;
}

html, body, #app {
    height: 100%;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    background-color: var(--background-color);
    font-family: "PT Serif", serif;
    font-weight: normal;
    font-style: normal;
}

* {
    font-family: "PT Serif", serif; !important;
}

#app {
    flex: 1;
    display: flex;
    flex-direction: row;
    min-height: 100vh;
    background-color: var(--background-color);
}

/*
    Custom styles
*/

a {
    text-decoration: none;
}

.page-title {
    font-size: 2rem;
    color: var(--heading-color);
    font-weight: normal;
}

.icon {
    filter: invert(1);
}

.card .icon {
    fill: white;
    width: 48px;
    height: 48px;  
}

.card {
    background-color: var(--secondary-color);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--secondary-color);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-color);
}

.card h3 {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    color: var(--heading-color);
}

.card p {
    color: var(--neutral-medium);
    font-size: 0.9rem;
}

.library-card-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    margin: 0 auto;
    max-width: 1200px; 
}

.library-card-container .card {
    flex: 1 1 300px; 
    max-width: 300px; 
    min-width: 300px; 
    padding: 1.5rem;
}

.library-card-container .card p {
    color: var(--neutral-medium);
}

.library-card-container .card h1 {
    font-size: 1.6em;
    color: var(--heading-color);
    font-weight: normal;
}

.button-main {
    background-color: var(--primary-color);
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    color: var(--button-text);
    text-decoration: none;
}
.button-main:hover {
    background-color: var(--accent-color);
    transition: all 0.2s ease;
}

.button-icon {
    filter: invert(1);
}

.button-secondary {
    background: none;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    border: 1px solid var(--primary-color);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    color: var(--button-text);
    text-decoration: none;
}

.button-secondary:hover {
    background-color: var(--primary-color);
    transition: all 0.2s ease;
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--heading-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: var(--form-background);
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(91, 137, 179, 0.3); /* Accent color with transparency */
}

.form-control::placeholder {
    color: var(--neutral-medium);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url('../res/icons/arrow-left.svg'); /* Using local arrow-left.svg */
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem; /* Make space for the arrow */
}

/* Checkboxes and Radios */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.form-check-input {
    margin-right: 0.75rem;
    width: 1.25rem;
    height: 1.25rem;
    border: 1px solid var(--primary-color-light);
    border-radius: 3px;
    background-color: var(--form-background);
    cursor: pointer;
    position: relative;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.form-check-input:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.form-check-input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 6px;
    height: 10px;
    border: solid var(--text-color);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-check-input[type="radio"] {
    border-radius: 50%;
}

.form-check-input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-color);
    transform: translate(-50%, -50%);
}

.form-check-label {
    color: var(--text-color);
    cursor: pointer;
    font-size: 1rem;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    background-color: var(--secondary-color);
    border-radius: 8px;
    overflow: hidden; /* Ensures rounded corners apply to content */
}

.data-table th,
.data-table td {
    padding: 1rem 1.2rem;
    text-align: left;
    border-bottom: 1px solid var(--neutral-dark);
}

.data-table thead {
    background-color: var(--primary-color);
}

.data-table th {
    color: var(--heading-color);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.data-table tbody tr {
    transition: background-color 0.2s ease;
}

.data-table tbody tr:nth-child(even) {
    background-color: var(--secondary-color);
}

.data-table tbody tr:nth-child(odd) {
    background-color: var(--form-background);
}

.data-table tbody tr:hover {
    background-color: var(--primary-color-light);
    cursor: pointer;
}

.data-table td {
    color: var(--text-color);
    font-size: 0.95rem;
}

/* Lists (e.g., for items or dynamic content) */
.custom-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    background-color: var(--secondary-color);
    border-radius: 8px;
    overflow: hidden;
}

.custom-list-item {
    padding: 1rem 1.2rem;
    border-bottom: 1px solid var(--neutral-dark);
    color: var(--text-color);
    transition: background-color 0.2s ease;
}

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

.custom-list-item:hover {
    background-color: var(--primary-color-light);
    cursor: pointer;
}

.custom-list-item-header {
    font-weight: 600;
    color: var(--heading-color);
    margin-bottom: 0.5rem;
}

.custom-list-item-meta {
    font-size: 0.85rem;
    color: var(--neutral-medium);
}

/* Custom Visual Elements (e.g., panels, containers) */
.panel {
    background-color: var(--secondary-color);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    margin-bottom: 1.5rem;
    flex: 1;
}

.panel-header {
    font-size: 1.5rem;
    color: var(--heading-color);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--neutral-dark);
    padding-bottom: 0.5rem;
}

.panel-content {
    color: var(--text-color);
    line-height: 1.6;
}

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

.flex-item {
    flex: 1;
    min-width: 250px;
}

/* Action Buttons within forms/lists */
.button-action {
    background-color: var(--success-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--button-text);
    transition: background-color 0.2s ease;
}

.button-action:hover {
    background-color: var(--success-color-hover);
}

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

.button-danger:hover {
    background-color: var(--danger-color-hover);
}

.button-group {
    display: flex;
    gap: 0.5rem;
    margin-top: 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");
    }

code {
    color: #c02d76;
}