@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,700;1,400&display=swap');

:root {
    --color-background: hsl(0, 20%, 99%);
    --color-background-weak: hsl(0, 8%, 97%);
    --color-background-weak-hover: hsl(0, 8%, 94%);
    --color-background-strong: hsl(0, 5%, 12%);
    --color-background-strong-hover: hsl(0, 5%, 18%);
    --color-background-interactive: hsl(62, 84%, 88%);
    --color-text: hsl(0, 1%, 39%);
    --color-text-weak: hsl(0, 1%, 60%);
    --color-text-weaker: hsl(30, 2%, 81%);
    --color-text-strong: hsl(0, 5%, 12%);
    --color-text-inverted: hsl(0, 20%, 99%);
    --color-border: hsl(30, 2%, 81%);
    --color-border-weak: hsla(0, 100%, 3%, 0.12);
    --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --border-radius-sm: 0.1875rem;
    --border-radius-md: 0.3125rem;
    --border-radius-lg: 0.375rem;
    --max-width: 75rem;
    --padding: 5rem;
    --vertical-padding: 4rem;

    /* Legacy functional color aliases */
    --primary-bg: hsl(0, 20%, 99%);
    --card-bg: hsl(0, 8%, 97%);
    --border-color: hsl(30, 2%, 81%);
    --text-primary: hsl(0, 5%, 12%);
    --text-secondary: hsl(0, 1%, 60%);
    --accent-blue: hsl(0, 5%, 12%);
    --success-bg: hsl(138, 76%, 95%);
    --success-text: hsl(142, 76%, 20%);
    --warning-bg: hsl(48, 100%, 91%);
    --warning-text: hsl(35, 70%, 38%);
    --error-bg: hsl(0, 93%, 94%);
    --error-text: hsl(0, 74%, 35%);
    --neutral-bg: hsl(0, 8%, 97%);
    --neutral-text: hsl(0, 1%, 39%);
}

[data-theme="dark"] {
    --color-background: hsl(0, 9%, 7%);
    --color-background-weak: hsl(0, 6%, 11%);
    --color-background-weak-hover: hsl(0, 6%, 15%);
    --color-background-strong: hsl(0, 10%, 88%);
    --color-background-strong-hover: hsl(0, 10%, 82%);
    --color-text: hsl(0, 4%, 71%);
    --color-text-weak: hsl(0, 4%, 55%);
    --color-text-weaker: hsl(0, 3%, 35%);
    --color-text-strong: hsl(0, 15%, 94%);
    --color-text-inverted: hsl(0, 9%, 7%);
    --color-border: hsl(0, 3%, 28%);
    --color-border-weak: hsla(0, 10%, 90%, 0.1);

    --primary-bg: hsl(0, 9%, 7%);
    --card-bg: hsl(0, 6%, 11%);
    --border-color: hsl(0, 3%, 28%);
    --text-primary: hsl(0, 15%, 94%);
    --text-secondary: hsl(0, 4%, 55%);
    --accent-blue: hsl(0, 10%, 88%);
    --success-bg: hsl(142, 30%, 15%);
    --success-text: hsl(142, 60%, 65%);
    --warning-bg: hsl(35, 40%, 15%);
    --warning-text: hsl(45, 70%, 65%);
    --error-bg: hsl(0, 30%, 15%);
    --error-text: hsl(0, 70%, 65%);
    --neutral-bg: hsl(0, 6%, 15%);
    --neutral-text: hsl(0, 4%, 71%);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-background: hsl(0, 9%, 7%);
        --color-background-weak: hsl(0, 6%, 11%);
        --color-background-weak-hover: hsl(0, 6%, 15%);
        --color-background-strong: hsl(0, 10%, 88%);
        --color-background-strong-hover: hsl(0, 10%, 82%);
        --color-text: hsl(0, 4%, 71%);
        --color-text-weak: hsl(0, 4%, 55%);
        --color-text-weaker: hsl(0, 3%, 35%);
        --color-text-strong: hsl(0, 15%, 94%);
        --color-text-inverted: hsl(0, 9%, 7%);
        --color-border: hsl(0, 3%, 28%);
        --color-border-weak: hsla(0, 10%, 90%, 0.1);

        --primary-bg: hsl(0, 9%, 7%);
        --card-bg: hsl(0, 6%, 11%);
        --border-color: hsl(0, 3%, 28%);
        --text-primary: hsl(0, 15%, 94%);
        --text-secondary: hsl(0, 4%, 55%);
        --accent-blue: hsl(0, 10%, 88%);
        --success-bg: hsl(142, 30%, 15%);
        --success-text: hsl(142, 60%, 65%);
        --warning-bg: hsl(35, 40%, 15%);
        --warning-text: hsl(45, 70%, 65%);
        --error-bg: hsl(0, 30%, 15%);
        --error-text: hsl(0, 70%, 65%);
        --neutral-bg: hsl(0, 6%, 15%);
        --neutral-text: hsl(0, 4%, 71%);
    }
}

@media (max-width: 48rem) {
    :root {
        --padding: 2rem;
        --vertical-padding: 3rem;
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.8;
    font-size: 0.9375rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.1s ease;
}

a:hover {
    opacity: 0.7;
}

img {
    max-width: 100%;
    display: block;
}

/* ========== HEADER / TOP-BAR ========== */
.top-bar, .landing-top-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border-weak);
    height: 72px;
    display: flex;
    align-items: center;
    padding: 0 var(--padding);
}

.top-bar {
    justify-content: space-between;
    gap: var(--space-4);
}

.landing-top-bar {
    justify-content: center;
}

.bar-title {
    font-size: clamp(1.25rem, 2.5vw, 2rem);
    font-weight: 700;
    color: var(--color-text-strong);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
    line-height: 1.2;
}

.left-buttons, .right-buttons {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.left-buttons {
    margin-right: auto;
}

.right-buttons {
    margin-left: auto;
}

.bar-button, .btn-print {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    background-color: var(--color-background-weak);
    color: var(--color-text);
    border: 1px solid var(--color-border-weak);
    border-radius: var(--border-radius-lg);
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, opacity 0.1s ease;
    text-decoration: none;
}

.bar-button:hover, .btn-print:hover {
    background-color: var(--color-background-weak-hover);
    opacity: 1;
}

.btn-print {
    background-color: var(--color-background-strong);
    color: var(--color-text-inverted);
    border-color: var(--color-background-strong);
}

.btn-print:hover {
    background-color: var(--color-background-strong-hover);
    border-color: var(--color-background-strong-hover);
}

/* ========== CONTAINER ========== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--padding);
}

/* ========== LANDING PAGE ========== */
.landing-hero {
    padding: calc(var(--vertical-padding) * 1.2) 0 var(--space-6) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.landing-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--color-text-strong);
    line-height: 1.1;
}

.subtitle {
    color: var(--color-text-weak);
    font-size: 1rem;
    line-height: 1.8;
}

.landing-logo-round {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    display: inline-block;
}

.landing-logo-round img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
    padding: var(--vertical-padding) 0;
}

.project-card {
    position: relative;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
    background: var(--color-background);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border-weak);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px hsla(0, 0%, 0%, 0.06);
    background-color: var(--color-background-weak);
    opacity: 1;
}

.project-image {
    width: 100%;
    height: 180px;
    background-color: var(--color-background-weak);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-weaker);
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-content {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.project-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-text-strong);
}

.project-description {
    color: var(--color-text-weak);
    font-size: 0.8125rem;
    line-height: 1.6;
}

.tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-background-weak);
    border: 1px solid var(--color-border-weak);
    border-radius: var(--border-radius-lg);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text);
}

.view-project {
    color: var(--color-text-strong);
    font-weight: 500;
    font-size: 0.8125rem;
}

.status-live {
    background-color: var(--success-bg);
    color: var(--success-text);
}

.status-development {
    background-color: var(--error-bg);
    color: var(--error-text);
}

.status-ongoing {
    background-color: var(--neutral-bg);
    color: var(--neutral-text);
}

/* ========== TOOL PAGES ========== */
.section {
    padding: var(--vertical-padding) 0;
}

.card {
    background: var(--color-background-weak);
    border: 1px solid var(--color-border-weak);
    border-radius: var(--border-radius-lg);
    padding: var(--space-8);
    margin-top: var(--space-6);
    margin-bottom: var(--space-6);
}

.description {
    color: var(--color-text-weak);
    max-width: 75%;
    margin: 0 auto var(--space-6) auto;
    text-align: center;
    font-size: 0.9375rem;
    line-height: 1.8;
}

/* Upload zones */
#fileInput {
    display: none;
}

.upload-zones {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.upload-zone, .upload-zone-secondary, .upload-zone-no-hover {
    flex: 0 1 45%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-8) var(--space-6);
    text-align: center;
    margin-bottom: var(--space-8);
    background: var(--color-background);
    color: var(--color-text-weak);
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    cursor: pointer;
    font-family: var(--font-mono);
}

.upload-zone:hover, .upload-zone-secondary:hover {
    border-color: var(--color-text-strong);
    background: var(--color-background-weak);
    transform: translateY(-2px);
}

.upload-zone.dragover, .upload-zone-secondary.dragover,
.upload-zone.dragging, .upload-zone-secondary.dragging {
    border-color: var(--color-text-strong);
    background: var(--color-background-interactive);
    color: var(--color-text-strong);
}

.upload-text {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-strong);
    margin-bottom: var(--space-2);
}

.upload-subtext {
    font-size: 0.8125rem;
    color: var(--color-text-weak);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: hsla(0, 0%, 0%, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    position: relative;
    width: 80%;
    max-width: 700px;
    background: var(--color-background);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border-weak);
}

.help-iframe {
    width: 100%;
    height: 600px;
    border: none;
    background: var(--color-background);
}

.help-subtitle {
    margin-top: var(--space-4);
    margin-bottom: var(--space-4);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-strong);
}

.help-list {
    margin: auto;
    width: 85%;
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.8;
}

.help-content-container {
    margin-bottom: var(--space-4);
}

h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-strong);
    margin-bottom: var(--space-2);
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--color-background-strong);
    color: var(--color-text-inverted);
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-size: 18px;
    text-align: center;
    line-height: 30px;
    font-family: var(--font-mono);
    transition: background-color 0.2s ease;
}

.close-btn:hover {
    background-color: var(--color-background-strong-hover);
    opacity: 1;
}

/* Tables */
h1 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    color: var(--color-text-strong);
    margin-bottom: var(--space-4);
    font-weight: 700;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-4);
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.75rem;
}

.status-pass {
    background: var(--success-bg);
    color: var(--success-text);
}

.status-fail {
    background: var(--error-bg);
    color: var(--error-text);
}

.status-neutral {
    background: var(--neutral-bg);
    color: var(--neutral-text);
}

.sti-code {
    font-family: var(--font-mono);
    color: var(--color-text-weak);
    font-size: 0.875rem;
}

.table-container {
    overflow-x: auto;
    border: 1px solid var(--color-border-weak);
    border-radius: var(--border-radius-lg);
    margin-top: var(--space-4);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
    font-family: var(--font-mono);
}

th {
    background: var(--color-background-weak);
    font-weight: 700;
    text-align: center;
    padding: var(--space-4);
    color: var(--color-text-strong);
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--color-border-weak);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    padding: var(--space-4);
    text-align: center;
    border-bottom: 1px solid var(--color-border-weak);
    background: var(--color-background);
    color: var(--color-text);
}

td .status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: auto;
}

/* Score cells with results */
td[data-score] {
    background: var(--success-bg);
    font-weight: 500;
    color: var(--success-text);
}

tr:hover td {
    background-color: var(--color-background-weak);
}

tr:hover td[data-score] {
    background-color: var(--success-bg);
    filter: brightness(0.95);
}

/* Data notice & footer */
.data-notice {
    background: var(--warning-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-weak);
    padding: var(--space-5);
    width: 75%;
    margin: 0 auto var(--space-6) auto;
    color: var(--warning-text);
    text-align: center;
    font-size: 0.75rem;
    font-style: italic;
    line-height: 1.6;
}

.footer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-weaker);
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-border-weak);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--padding);
}

/* Link input / output */
.link-input {
    width: 100%;
    max-width: 600px;
    padding: var(--space-4);
    margin-top: var(--space-2);
    font-size: 0.9375rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    background-color: var(--color-background);
    color: var(--color-text-strong);
    transition: border-color 0.2s ease;
    font-family: var(--font-mono);
}

.link-input:focus {
    border-color: var(--color-text-strong);
    outline: none;
}

.output-container {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.output-box {
    flex: 1;
    padding: var(--space-4);
    background: var(--color-background-weak);
    border: 1px solid var(--color-border-weak);
    border-radius: var(--border-radius-lg);
    font-size: 0.9375rem;
    color: var(--color-text-strong);
    word-break: break-all;
    min-height: 40px;
    display: flex;
    align-items: center;
    font-family: var(--font-mono);
}

.copy-button {
    background-color: var(--color-background-strong);
    color: var(--color-text-inverted);
    padding: var(--space-3) var(--space-5);
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
    white-space: nowrap;
    font-family: var(--font-mono);
    font-weight: 500;
}

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

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-background-interactive);
    border-radius: var(--border-radius-sm);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 48rem) {
    body {
        padding: 0;
    }

    .bar-title {
        font-size: clamp(0.875rem, 2vw, 1.25rem);
        max-width: 40vw;
    }

    .card {
        padding: var(--space-5);
    }

    h1 {
        font-size: 1.5rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .data-notice,
    .description,
    .upload-zone,
    .upload-zone-secondary,
    .upload-zone-no-hover {
        width: 100%;
        max-width: 100%;
    }

    .upload-zone,
    .upload-zone-secondary,
    .upload-zone-no-hover {
        flex: 1 1 100%;
    }

    .modal-content {
        width: 95%;
    }

    .help-iframe {
        height: 400px;
    }

    table {
        font-size: 0.75rem;
    }

    th, td {
        padding: var(--space-3);
    }
}

@media print {
    .status-badge, .sti-code {
        color: #000;
    }

    header h1 {
        font-size: 1.5rem;
        color: var(--text-primary);
        margin-bottom: var(--space-4);
    }

    td .status-badge {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin: auto;
    }

    .top-bar {
        position: static;
    }
}