/* YUGIX WIREFRAME / CONSTRUCTION THEME */

:root {
    /* Construction Palette */
    --hazard-yellow: #FFD700;
    --hazard-black: #111111;
    --construction-orange: #FF6B00;
    --blueprint-blue: #0044cc;
    --paper-white: #f4f4f4;
    --draft-grey: #666666;

    /* Layout */
    --border-style: 2px dashed var(--hazard-black);
    --tape-height: 40px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--paper-white);
    color: var(--hazard-black);
    font-family: 'Courier New', Courier, monospace;
    /* Spec Sheet Look */
    /* Graph Paper Background */
    background-image:
        linear-gradient(var(--draft-grey) 1px, transparent 1px),
        linear-gradient(90deg, var(--draft-grey) 1px, transparent 1px);
    background-size: 20px 20px;
    background-position: center top;
    border: 20px solid var(--paper-white);
    /* Edge padding */
}

/* Hazard Tape Utilities */
.hazard-tape {
    background: repeating-linear-gradient(45deg,
            var(--hazard-yellow),
            var(--hazard-yellow) 20px,
            var(--hazard-black) 20px,
            var(--hazard-black) 40px);
    height: var(--tape-height);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--paper-white);
    text-shadow: 2px 2px 0 #000;
    font-size: 1.2rem;
    letter-spacing: 2px;
    border: 2px solid #000;
}

.hazard-tape-v {
    position: absolute;
    width: 40px;
    height: 100%;
    background: repeating-linear-gradient(45deg,
            var(--construction-orange),
            var(--construction-orange) 20px,
            var(--hazard-black) 20px,
            var(--hazard-black) 40px);
    top: 0;
    left: 0;
    border-right: 2px solid #000;
}

/* Typography & Layout */
h1,
h2,
h3 {
    text-transform: uppercase;
    background: var(--hazard-black);
    color: var(--paper-white);
    padding: 5px 15px;
    display: inline-block;
    border: 2px dashed var(--construction-orange);
    margin-bottom: 20px;
}

p {
    background: #fff;
    padding: 10px;
    border: 1px dotted var(--hazard-black);
    max-width: 600px;
    line-height: 1.4;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.1);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px;
    background: #fff;
    border: 4px solid var(--hazard-black);
    position: relative;
    box-shadow: 10px 10px 0 var(--draft-grey);
}

/* Draft Stamp */
.draft-stamp {
    position: absolute;
    top: 100px;
    right: 50px;
    border: 5px double #d00;
    color: #d00;
    font-size: 4rem;
    font-weight: bold;
    padding: 10px 40px;
    text-transform: uppercase;
    transform: rotate(-15deg);
    opacity: 0.4;
    pointer-events: none;
    z-index: 10;
    font-family: Arial, sans-serif;
}

/* UI Elements */
.header-spec {
    border-bottom: 4px double var(--hazard-black);
    margin-bottom: 40px;
    padding-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.project-meta {
    font-size: 0.8rem;
    color: var(--draft-grey);
}

.nav-tabs {
    display: flex;
    gap: 10px;
}

.tab {
    padding: 10px 20px;
    border: 2px solid var(--hazard-black);
    background: #eee;
    text-decoration: none;
    font-weight: bold;
    position: relative;
    top: 2px;
}

.tab:hover,
.tab.active {
    background: var(--hazard-yellow);
    box-shadow: 4px 4px 0 #000;
    top: -2px;
}

/* Sections */
.spec-section {
    margin-bottom: 60px;
    position: relative;
}

.spec-section::before {
    content: 'SECTION_ID: ' attr(id);
    position: absolute;
    top: -20px;
    left: 0;
    font-size: 0.7rem;
    background: var(--hazard-black);
    color: #fff;
    padding: 2px 5px;
}

.wireframe-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 20px;
}

/* Image Placeholders */
.placeholder-box {
    border: 2px dashed var(--hazard-black);
    background: #eee;
    padding: 10px;
    position: relative;
}

.placeholder-box img {
    width: 100%;
    filter: grayscale(100%) contrast(1.5) sepia(10%);
    opacity: 0.8;
    border: 1px solid #999;
}

.placeholder-box::after {
    content: 'FIG. 1.1 - REFERENCE';
    display: block;
    text-align: center;
    font-size: 0.8rem;
    margin-top: 5px;
    font-style: italic;
    border-top: 1px dotted #999;
    padding-top: 5px;
}

/* Checklist */
.checklist {
    list-style: none;
    border: 2px solid var(--hazard-black);
    padding: 20px;
    background: #fff;
}

.checklist li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.check-box {
    width: 20px;
    height: 20px;
    border: 2px solid var(--hazard-black);
    display: inline-block;
}

.checked {
    background: var(--hazard-black);
    position: relative;
}

.checked::after {
    content: '✓';
    color: var(--hazard-yellow);
    position: absolute;
    top: -4px;
    left: 3px;
    font-size: 1.2rem;
}

/* Footer */
.footer-log {
    border-top: 4px double var(--hazard-black);
    padding-top: 20px;
    font-size: 0.8rem;
    color: var(--draft-grey);
    font-family: monospace;
}

/* Mobile */
@media (max-width: 768px) {
    body {
        border-width: 5px;
        background-size: 10px 10px;
    }

    .container {
        padding: 15px;
        width: 100%;
        border-width: 2px;
    }

    .header-spec {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .nav-tabs {
        flex-wrap: wrap;
        width: 100%;
        gap: 5px;
    }

    .tab {
        flex: 1 1 auto;
        text-align: center;
        font-size: 0.8rem;
        padding: 8px 10px;
    }

    .draft-stamp {
        font-size: 2rem;
        top: 60px;
        right: 10px;
        opacity: 0.2;
        border-width: 3px;
        padding: 5px 20px;
    }

    .wireframe-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    h1 {
        font-size: 1.5rem;
    }

    .hazard-tape {
        font-size: 0.8rem;
        text-align: center;
        padding: 0 10px;
        line-height: 1.2;
    }
}