/* p9r.dev - Isometric Blueprint Room */

:root {
    --bg: #F0F4F8;
    --grid: #D0D8E0;
    --primary-blue: #2A4A6A;
    --iso-top: #E0E8F0;
    --iso-right: #B8C8D8;
    --iso-left: #8AA0B8;
    --accent-orange: #E68A3A;
    --comp-red: #C85A5A;
    --comp-green: #5A9A6A;
    --comp-purple: #7A6A9A;
    --text-primary: #1A2A3A;
    --text-secondary: #5A6A7A;
    --connector: #8AA0B8;
}

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

body {
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 400;
    font-size: clamp(0.9rem, 1.5vw, 1.05rem);
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg);
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 39px, #D0D8E0 39px, #D0D8E0 40px),
        repeating-linear-gradient(90deg, transparent, transparent 39px, #D0D8E0 39px, #D0D8E0 40px);
    background-size: 40px 40px;
    overflow-x: hidden;
}

/* Sections */
section {
    padding: 6rem 6vw;
    position: relative;
}

.section-title {
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary-blue);
    margin-bottom: 3rem;
}

/* --- TITLE BLOCK --- */
#title-block {
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 4rem 6vw;
    position: relative;
}

.iso-cube-container {
    position: absolute;
    left: 15vw;
    top: 25vh;
    width: 200px;
    height: 200px;
    transform-style: preserve-3d;
    will-change: transform;
}

.iso-face {
    position: absolute;
    width: 160px;
    height: 160px;
}

.iso-top {
    background: var(--iso-top);
    border: 1px solid var(--grid);
    transform: rotateX(60deg) rotateZ(45deg);
    transform-origin: center center;
    top: 0;
    left: 20px;
}

.iso-right {
    background: var(--iso-right);
    border: 1px solid var(--grid);
    transform: rotateY(-30deg) skewY(30deg);
    transform-origin: top left;
    top: 40px;
    left: 120px;
    width: 100px;
    height: 140px;
}

.iso-left {
    background: var(--iso-left);
    border: 1px solid var(--grid);
    transform: rotateY(30deg) skewY(-30deg);
    transform-origin: top right;
    top: 40px;
    left: 20px;
    width: 100px;
    height: 140px;
}

.title-block-box {
    border: 1px solid var(--primary-blue);
    padding: 2rem 3rem;
    background: rgba(240, 244, 248, 0.95);
    max-width: 400px;
}

.main-title {
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: clamp(3rem, 6vw, 5rem);
    letter-spacing: 0.1em;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: 0.3em;
}

.title-meta {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-bottom: 0.3em;
}

.title-version {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    color: var(--accent-orange);
}

/* --- COMPONENT DIAGRAM --- */
#component-diagram {
    min-height: 150vh;
    position: relative;
}

.connector-svg {
    position: absolute;
    top: 100px;
    left: 0;
    width: 100%;
    height: 400px;
    pointer-events: none;
    z-index: 0;
}

.connector-line {
    stroke-dasharray: 6 4;
    stroke-dashoffset: 200;
    transition: stroke-dashoffset 1.5s ease;
}

.connector-line.drawn {
    stroke-dashoffset: 0;
}

.component-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.component-card {
    padding: 1.5rem;
    background: #FFFFFF;
    box-shadow: 2px 2px 0 var(--grid);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.component-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.border-red { border-left: 3px solid var(--comp-red); }
.border-green { border-left: 3px solid var(--comp-green); }
.border-purple { border-left: 3px solid var(--comp-purple); }
.border-orange { border-left: 3px solid var(--accent-orange); }

.card-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 0.5em;
}

.card-heading {
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-blue);
    margin-bottom: 0.5em;
}

.card-desc {
    color: var(--text-primary);
    margin-bottom: 1em;
    font-size: 0.9rem;
}

.card-spec {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    color: var(--accent-orange);
}

/* --- LAYER VIEW --- */
#layer-view {
    min-height: 130vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.layer-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    perspective: 800px;
    margin-top: 2rem;
}

.iso-floor {
    width: 80vw;
    max-width: 600px;
    padding: 2rem 2.5rem;
    transform: rotateX(45deg) rotateZ(-35deg);
    transform-origin: center center;
    background: rgba(240, 244, 248, 0.95);
    border: 1px solid var(--grid);
    will-change: transform;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.iso-floor.visible {
    opacity: 1;
}

.floor-interface { border-left: 4px solid var(--comp-red); }
.floor-logic { border-left: 4px solid var(--comp-green); }
.floor-data { border-left: 4px solid var(--comp-purple); }

.floor-label {
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary-blue);
    margin-bottom: 0.5em;
}

.floor-content {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- SPECIFICATION PANEL --- */
#spec-panel {
    padding: 6rem 6vw;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.spec-card {
    background: #E8ECF0;
    padding: 1rem 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.4em;
}

.spec-blue { border-top: 2px solid var(--primary-blue); }
.spec-orange { border-top: 2px solid var(--accent-orange); }
.spec-green { border-top: 2px solid var(--comp-green); }
.spec-purple { border-top: 2px solid var(--comp-purple); }

.spec-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.spec-value {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 400;
}

/* --- STAMP BLOCK --- */
#stamp-block {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
}

.stamp-box {
    border: 2px solid var(--primary-blue);
    outline: 1px solid var(--iso-left);
    outline-offset: 4px;
    padding: 0;
    max-width: 400px;
    width: 100%;
}

.stamp-row {
    display: flex;
    border-bottom: 1px solid var(--grid);
    padding: 0.8rem 1.2rem;
}

.stamp-row:last-child {
    border-bottom: none;
}

.stamp-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    width: 100px;
    flex-shrink: 0;
}

.stamp-val {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
    color: var(--primary-blue);
    font-weight: 400;
}

.closing-text {
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 2rem;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .component-grid {
        grid-template-columns: 1fr;
    }

    .component-card {
        margin-top: 0 !important;
    }

    .iso-cube-container {
        display: none;
    }

    #title-block {
        justify-content: center;
        align-items: center;
    }

    .iso-floor {
        transform: none;
    }
}