/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Systm Design Tokens */
:root {
    --spacing: 5px;
    --radius: 1px;

    --lv0: #FFFFFF;
    --lv1: #FBFBFB;
    --lv2: #EFEFEF;
    --lv3: #CFCFCF;
    --lv4: #757575;
    --lv5: #4A4A50;
    --lv6: #1A1A21;
    --lv7: #121215;
    --lv8: #080809;

    --CSignal: #FF4238;
    --CTeal: #72F5C6;
    --CPureBlue: #0000ff;
    --CLightBlue: #6B9EFF;
    --CWarning: #FFC107;

    /* FONT FAMILY */
    --font-family: 'Inter', sans-serif;

    /* TEXT */
    --text-2xs: 350 10px/1 var(--font-family);
    --text-xs: 350 11px/1 var(--font-family);
    --text-sm: 350 13px/1 var(--font-family);
    --text-base: 350 15px/1 var(--font-family);
    --text-lg: 350 17px/1 var(--font-family);
    --text-xl: 350 19px/1 var(--font-family);
    --text-2xl: 350 24px/1 var(--font-family);
    --text-3xl: 350 30px/1 var(--font-family);
    --text-4xl: 350 36px/1 var(--font-family);

    --light: 300;
    --book: 350;
    --reg: 400;
    --med: 500;
    --semi: 600;
    --bold: 700;
}

/* Dark mode via system preference */
@media (prefers-color-scheme: dark) {
    :root {
        --lv0: #080809;
        --lv1: #121215;
        --lv2: #1A1A21;
        --lv3: #393941;
        --lv4: #565661;
        --lv5: #8F8F97;
        --lv6: #EFEFEF;
        --lv7: #FBFBFB;
        --lv8: #FFFFFF;
    }
}

/* Base Styles */
html, body {
    font: var(--text-base);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--lv0);
    color: var(--lv8);
    overscroll-behavior-y: none;
    min-height: 100vh;
}

p, ul, ol, li {
    line-height: 1.6;
}

h1 {
    font: var(--text-4xl);
    line-height: 1.3;
}

h2 {
    font: var(--text-3xl);
    line-height: 1.3;
}

h3 {
    font: var(--text-2xl);
    line-height: 1.3;
}

h4 {
    font: var(--text-xl);
    line-height: 1.3;
}

h5 {
    font: var(--text-lg);
    line-height: 1.3;
}

h6 {
    font: var(--text-base);
    font-weight: var(--semi);
    line-height: 1.3;
}

/* Links */
a {
    color: var(--CPureBlue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

@media (prefers-color-scheme: dark) {
    a {
        color: var(--CLightBlue);
    }
}

/* Form Inputs - Global Styling */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="search"],
textarea,
select {
    font: var(--text-xs);
    padding: 10px;
    min-height: 30px;
    border: 1px solid var(--lv3);
    border-radius: var(--radius);
    background: transparent;
    color: var(--lv7);
    width: 100%;
}

input:not(:disabled):hover,
textarea:not(:disabled):hover,
select:not(:disabled):hover {
    border-color: var(--lv5);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--lv5);
}

input::placeholder,
textarea::placeholder {
    color: var(--lv5);
}

input:disabled,
textarea:disabled,
select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

input::selection,
textarea::selection {
    background: var(--lv3);
}

/* Hide number input spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

/* Form labels */
label {
    font: var(--text-xs);
    color: var(--lv6);
    display: block;
    margin-bottom: 4px;
}

/* Validation */
.validation-message,
.text-danger {
    font: var(--text-2xs);
    color: var(--CSignal);
    margin-top: 4px;
    display: block;
}

/* Buttons - Global Styling */
button,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: var(--radius);
    border: none;
    box-sizing: border-box;
    font: var(--text-sm);
    font-weight: var(--med);
    height: 40px;
    padding: 0 15px;
    gap: 10px;
    background: var(--lv7);
    color: var(--lv1);
}

button:hover:not(:disabled),
.btn:hover:not(:disabled) {
    opacity: 0.8;
}

button:disabled,
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

button:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--lv5);
    outline-offset: 2px;
}

/* Button Sizes */
.btn-micro {
    font: var(--text-xs);
    font-weight: var(--med);
    height: 30px;
    padding: 0 10px;
    gap: 7px;
}

.btn-default {
    font: var(--text-sm);
    font-weight: var(--med);
    height: 40px;
    padding: 0 15px;
    gap: 10px;
}

.btn-large {
    font: var(--text-base);
    font-weight: var(--med);
    height: 50px;
    padding: 0 20px;
    gap: 10px;
}

/* Button Variants */
.btn-primary {
    background: var(--lv7);
    color: var(--lv1);
    border: none;
}

.btn-primary:hover:not(:disabled) {
    opacity: 0.8;
}

.btn-secondary {
    border: 1px solid var(--lv3);
    color: var(--lv6);
    background: transparent;
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--lv4);
    opacity: 1;
}

.btn-ghost {
    color: var(--lv5);
    background: transparent;
    border: none;
}

.btn-ghost:hover:not(:disabled) {
    background: var(--lv2);
    opacity: 1;
}

.btn-danger {
    background: var(--CSignal);
    color: var(--lv0);
    border: none;
}

.btn-danger:hover:not(:disabled) {
    opacity: 0.8;
}

/* Font Faces */
@font-face {
    font-family: 'Inter';
    src: url('/fonts/Inter-Regular.woff2');
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('/fonts/Inter-Medium.woff2');
    font-weight: 500;
    font-display: swap;
}

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

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: calc(var(--spacing) * 3) calc(var(--spacing) * 4);
    background: var(--lv1);
    border-bottom: 1px solid var(--lv2);
}

.header-left {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 6);
}

.header-right {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 3);
}

.brand {
    font: var(--text-lg);
    font-weight: var(--semi);
    color: var(--lv8);
    text-decoration: none;
}

.content {
    flex: 1;
    padding: calc(var(--spacing) * 4);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 2);
}

.nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font: var(--text-xs);
    font-weight: var(--med);
    color: var(--lv5);
    background: transparent;
    border: none;
    border-radius: var(--radius);
    height: 30px;
    padding: 0 10px;
    text-decoration: none;
    transition: all 0.15s;
    cursor: pointer;
}

.nav a:hover {
    background: var(--lv2);
    color: var(--lv8);
    text-decoration: none;
}

.nav a.active {
    background: var(--lv7);
    color: var(--lv1);
    font-weight: var(--med);
}

/* Mobile */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: calc(var(--spacing) * 3);
    }

    .header-left {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: calc(var(--spacing) * 3);
    }

    .nav {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .content {
        padding: calc(var(--spacing) * 3);
    }
}

/* Utility Classes */
.text-muted {
    color: var(--lv5);
}

.bg-dark {
    background: var(--lv7);
}

.text-light {
    color: var(--lv1);
}

.text-primary {
    color: var(--CPureBlue);
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    font: var(--text-2xs);
    font-weight: var(--semi);
    border-radius: var(--radius);
}

.bg-success {
    background: var(--CTeal);
    color: var(--lv8);
}

.bg-warning {
    background: var(--CWarning);
    color: var(--lv8);
}

.bg-secondary {
    background: var(--lv3);
    color: var(--lv8);
}

.bg-danger {
    background: var(--CSignal);
}

.text-white {
    color: var(--lv0);
}

/* Blazor Error Boundary */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, var(--CSignal);
    padding: 1rem 1rem 1rem 3.7rem;
    color: var(--lv0);
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}