/* Global CSS Design Variables Workspace */
:root {
    /* Layout Framework Foundations */
    --bg-main: #312E3D;                /* Your Main Background */
    --bg-card: #524e64;                /* Elevated variation for visual hierarchy */
    --bg-card-hover: #5f5a74;          /* Distinct hover separation */
    --border-color: #6a6483;           /* Balanced structural border lines */
    
    /* Branding Assets & Accents */
    --accent-one: #8783D1;              /* Your Secondary 2 (Periwinkle Accent Focus) */
    --accent-one-hover: #a3a0df;        /* Brightened interactive focus state */

    --accent-two: #F4BBD3;              /* Your Secondary 2 (Periwinkle Accent Focus) */
    --accent-two-hover: #E873A4;        /* Brightened interactive focus state */
    
    /* Core Typography Matrix */
    --text-primary-custom: #F1E4F3;    /* Your Primary Color (Highly readable off-white) */
    --text-secondary-custom: #c5bcc7;  /* High-contrast muted mauve-gray for paragraphs */
    
    /* Flowchart/Demo Phase Operational States (Color Theory Additions) */
    --state-done: #89A894;              /* Your Main Accent (Sage green for completion success) */
    --state-active: #F4BBD3;            /* Your Secondary 1 (Pastel pink for active/in-progress focus) */
    --state-planned: #75718a;           /* Harmonic muted slate-mauve for upcoming milestones */
    --state-not-ported: #cf6b84;        /* Softened crimson/coral for warning states */
    
    /* Explicit Customization Variable Extensions */
    --pfp-border-color: #8783D1;       /* Cohesive link with branding accents */
    --pfp-shadow-color: rgba(135, 131, 209, 0.25);

    --tech-pill-bg: rgba(137, 168, 148, 0.12); /* Semi-transparent sage tint */
    --tech-pill-text: #b2cbb9;          /* Readable contrast variation of sage green */

    --modal-overlay-bg: #2c2937;        /* Ultra-deep backdrop layer for focus control */
    --scroll-shadow-color: rgba(22, 21, 28, 0.6);

    --gallery-edge-fade: #444054;       /* Must match --bg-main for a perfect seamless blend */

    /* Matrix Box */
    --matrix-originality-bg: #283E2D;
    --matrix-technicality-bg: #39406A;
    --matrix-usability-bg: #812D22;
    --matrix-storytelling-bg: #7A442A;

    --matrix-originality-border: #A8C7B0;
    --matrix-technicality-border: #B0B6D4;
    --matrix-usability-border: #EFC7C2;
    --matrix-storytelling-border: #E5C4B3;

    /* Footer */
    --footer-bg: #1C1A23;
}

/* Globals */
.bg-main { background-color: var(--bg-main) !important; }
.text-primary-custom { color: var(--text-primary-custom); }
.text-secondary-custom { color: var(--text-secondary-custom); }

/* Accent Colors */
.accent-one { color: var(--accent-one) !important; }
.accent-one-hover { color: var(--accent-one-hover) !important; }
.bg-accent-one { background-color: var(--accent-one) !important; }

.accent-two { color: var(--accent-two) !important; }
.bg-accent-two { background-color: var(--accent-two) !important; }


.title-icon { color: var(--accent-one); }

/* TODO: temp */
.card-border-custom { border-color: var(--border-color) !important; }
.modal-border-custom { border: 1px solid var(--border-color) !important; }

.text-done-custom { color: var(--state-done) !important; }
.text-active-custom { color: var(--state-active) !important; }
.text-planned { color: var(--state-planned) !important; }
.text-not-ported { color: var(--state-not-ported) !important; }

/* Matrix Box */
.matrix-box-originality { background-color: var(--matrix-originality-bg); border: 1px solid var(--matrix-originality-border); }
.matrix-box-technicality { background-color: var(--matrix-technicality-bg); border: 1px solid var(--matrix-technicality-border); }
.matrix-box-usibility { background-color: var(--matrix-usability-bg); border: 1px solid var(--matrix-usability-border); }
.matrix-box-storytelling { background-color: var(--matrix-storytelling-bg); border: 1px solid var(--matrix-storytelling-border); }

.matrix-originality-color { color: var(--matrix-originality-border); }
.matrix-technicality-color { color: var(--matrix-technicality-border); }
.matrix-usability-color { color: var(--matrix-usability-border); }
.matrix-storytelling-color { color: var(--matrix-storytelling-border); }

.style-modal-bg { background-color: var(--modal-overlay-bg) !important; }
.footer-link-list a { color: var(--text-secondary-custom); text-decoration: none; }
.footer-link-list a:hover { color: var(--text-primary); text-decoration: underline; }

.state-active-badge { background-color: var(--state-active) !important; color: var(--bg-main) !important; }
.state-done-badge { background-color: var(--state-done) !important; }

/* Globals */

body {
    background-color: var(--bg-main) !important;
    color: var(--text-secondary-custom) !important;
}
.bg-main {
    background-color: var(--bg-main) !important;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

/* Header */

.squiggly-error {
    text-decoration: underline;
    text-decoration-style: wavy;
    text-decoration-color: var(--accent-one);
    text-underline-offset: 6px;
    text-decoration-thickness: 2px;
}

/* Bio Box */

.pfp-container {
    width: 72px;
    height: 72px;
    flex: 0 0 auto;
}

.profile-image-frame {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--pfp-border-color);
    box-shadow: 0 0 12px var(--pfp-shadow-color);
}

/* Project Description Box */

.tech-pill {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 500;
}

.repository-badge {
    background-color: var(--accent-one) !important;
    border: 1px solid var(--border-color) !important;
    font-weight: 500;
    color: var(--text-primary-custom) !important;
}
.repository-badge:hover { opacity: 0.9; }

/* Development Phase Tree */

.flowchart-outer-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--bs-border-radius);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1.5rem 0;
}

.flowchart-outer-wrapper::before,
.flowchart-outer-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 30px;
    z-index: 5;
    pointer-events: none;
    transition: opacity 0.3s ease;
    opacity: 0;
}
.flowchart-outer-wrapper::before {
    left: 0;
    background: linear-gradient(to right, var(--scroll-shadow-color), transparent);
}
.flowchart-outer-wrapper::after {
    right: 0;
    background: linear-gradient(to left, var(--scroll-shadow-color), transparent);
}

.flowchart-outer-wrapper.left-shadow-active::before { opacity: 1; }
.flowchart-outer-wrapper.right-shadow-active::after { opacity: 1; }

.flowchart-outer-wrapper::before,
.flowchart-outer-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 30px;
    z-index: 5;
    pointer-events: none;
    transition: opacity 0.3s ease;
    opacity: 0;
}
.flowchart-outer-wrapper::before {
    left: 0;
    background: linear-gradient(to right, var(--scroll-shadow-color), transparent);
}
.flowchart-outer-wrapper::after {
    right: 0;
    background: linear-gradient(to left, var(--scroll-shadow-color), transparent);
}

.flowchart-outer-wrapper.left-shadow-active::before { opacity: 1; }
.flowchart-outer-wrapper.right-shadow-active::after { opacity: 1; }

.flowchart-card {
    min-width: 300px;
    max-width: 300px;
    flex: 0 0 auto;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
}

.flowchart-card.active {
    border: 2px solid var(--state-active);
    box-shadow: 0 0 15px rgba(255, 159, 28, 0.15);
}

.flowchart-card.done {
    border-left: 4px solid var(--state-done);
}

.flowchart-scroller {
    display: flex;
    align-items: stretch;
    overflow-x: auto;
    gap: 1rem;
    padding: 1.5rem;
    padding-top: 0;
    scroll-behavior: smooth;
}

/* Custom scrollbar configurations for sleek dark engine aesthetics */
.flowchart-scroller::-webkit-scrollbar {
    height: 8px;
}
.flowchart-scroller::-webkit-scrollbar-track {
    background: var(--bg-main);
    border-radius: 4px;
}
.flowchart-scroller::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
.flowchart-scroller::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.flowchart-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--border-color);
    flex: 0 0 auto;
    font-size: 1.5rem;
}

/* Project Demos */

/* Architecture Blueprint Box */

.blueprint-card img {
    cursor: pointer;
    transition: transform 0.25s ease, filter 0.25s ease;
}
.blueprint-card img:hover {
    transform: scale(1.02);
    filter: brightness(1.15);
}

/* Evaluation Box */

.reviewer-guide-badge {
    background-color: var(--state-active) !important;
    color: var(--bg-main);
    border: 1px solid rgba(222, 62, 75, 0.25);
}

.small-text-matrix {
    font-size: 0.75rem !important;
    line-height: 1.3 !important;
}

/* Image Gallery */

.gallery-shadow-wrapper {
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

.gallery-shadow-wrapper::before,
.gallery-shadow-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    pointer-events: none;
    z-index: 10;
    border-radius: 0.5rem;
}

.gallery-shadow-wrapper::before {
    left: 0;
    background: linear-gradient(to right, var(--gallery-edge-fade) 15%, transparent);
}
.gallery-shadow-wrapper::after {
    right: 0;
    background: linear-gradient(to left, var(--gallery-edge-fade) 15%, transparent);
}

.gallery-viewport {
    overflow: hidden;
    width: 100%;
    padding: 1.5rem 0;
}

.gallery-track {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    position: relative;
}

.gallery-item {
    width: 280px;
    flex: 0 0 auto;
    transition: transform 0.2s, border-color 0.2s;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.gallery-item img {
    transition: filter 0.2s ease-in-out;
}

.gallery-item:hover img {
    filter: brightness(1.1);
}
.gallery-item:hover {
    transform: scale(1.02);
    border-color: var(--text-secondary);
}

.gallery-img-placeholder {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a24 0%, #111116 100%);
    color: var(--text-secondary);
}

/* Bootstrap 5 Lightbox */

.style-modal-bg {
    background-color: #0f0f12;
}

/* Modal configuration limits to prevent graphic clipping layout distortion */
#lightboxImage {
    max-height: 75vh;
    object-fit: contain;
    border: 1px solid var(--border-color);
}

/* Footer */

footer {
    background-color: var(--footer-bg);
    border-top: 1px solid var(--border-color);
}
footer a {
    text-decoration: none;
    color: var(--text-secondary);
}
footer a:hover {
    color: var(--text-primary);
    text-decoration: underline;
}