html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

html {
    /* 1. Fixes the anchor link (#section) cutting off */
    /* This tells the browser to stop scrolling 80px from the top */
    scroll-padding-top: 50px;
}

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 {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    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: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto 0 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;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* Custom overrides to make Bootstrap pop */
.bg-primary {
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%) !important; /* Deep engineering blue */
}

.btn-light {
    font-weight: 700;
    transition: transform 0.2s;
}

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

/* --- Custom Color Palette --- */

/* 1. Brand Colors */
:root {
    --color-physics: #D35400; /* Burnt Orange/Rust for Heat/Physics */
    --color-code: #2980B9; /* Steel Blue for Software/Logic */
    --color-brand: #2C3E50; /* Midnight Navy for Professionalism */
    --color-brand-dark: #0b1120; /* Darker shade for hover effects */
    --color-bg-light: #F8F9FA;
}

/* 2. Text Overrides */
.text-physics {
    color: var(--color-physics) !important;
    font-weight: 700;
}

.text-code {
    color: var(--color-code) !important;
    font-weight: 700;
}

.text-brand-dark {
    color: var(--color-brand);
}

/* 3. Button Overrides */
.btn-brand {
    background-color: var(--color-brand);
    border-color: var(--color-brand);
    color: white;
    transition: all 0.3s ease;
}

    .btn-brand:hover {
        background-color: #1a252f; /* Darker shade of brand */
        border-color: #1a252f;
        transform: translateY(-2px);
    }

.btn-outline-brand {
    color: var(--color-brand);
    border-color: var(--color-brand);
    transition: all 0.3s ease;
}

    .btn-outline-brand:hover {
        background-color: var(--color-brand);
        color: white;
    }

.btn-dark-custom {
    background-color: #212529;
    color: white;
    border: 1px solid #212529;
}

    .btn-dark-custom:hover {
        background-color: black;
        border-color: black;
    }

.btn-outline-dark-custom {
    color: #212529;
    border-color: #212529;
}

    .btn-outline-dark-custom:hover {
        background-color: #212529;
        color: white;
    }

/* 4. Backgrounds */
.bg-hero-custom {
    background: radial-gradient(circle at top right, #eef2f3 0%, #dae2f8 100%); /* Subtle cool grey/blue gradient */
}

.bg-light-custom {
    background-color: #fcfcfc;
}

.bg-dark-custom {
    background-color: var(--color-brand); /* Matches the main brand color */
}

.blob-bg {
    background-color: var(--color-code); /* Uses the "Code" blue for the blob */
}

/* 5. Icons Custom Colors */
.icon-bg-code {
    background-color: var(--color-code);
}

.icon-bg-cooling {
    background-color: #3498DB; /* Lighter Blue for "Cold" */
}

.icon-bg-heat {
    background-color: var(--color-physics); /* Rust for Heat */
}

.icon-bg-model {
    background-color: #8E44AD; /* Deep Purple for Math/Modeling */
}

/* 6. Animations */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .hover-lift:hover {
        transform: translateY(-5px);
        box-shadow: 0 .5rem 1rem rgba(0,0,0,.15) !important;
    }