/**
 * vnxt.dev stylesheet
 *
 * @author  Nate Orrow <nate@orrow.uk>
 * @license MIT
 *
 * CSS properties ordered using the 9elements Nicer CSS property order.
 * @see https://9elements.com/css-rule-order/
 */

/* ============================================================
   RESET
   ============================================================ */

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


/* ============================================================
   VARIABLES
   ============================================================ */

:root {
    /* Colors */
    --bg-dark:        #000103;
    --bg-darker:      #010101;
    --text-primary:   #c9d1d9;
    --text-secondary: #8b949e;
    --accent-green:   #52d457;
    --accent-blue:    #569cd6;
    --border:         #30363d;

    /* Fonts */
    --font-header:    'all-round-gothic', sans-serif;
    --font-mono:      'Red Hat Mono', monospace;

    /* Layout */
    --header-height:  100px;
}


/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes flicker {
    0%, 100% {
        opacity: 0.97;
    }
    50% {
        opacity: 1;
    }
}

@keyframes blink {
    0%, 49% {
        opacity: 1;
    }
    50%, 100% {
        opacity: 0;
    }
}


/* ============================================================
   BASE
   ============================================================ */

html {
    scroll-behavior: smooth;
}

::selection {
    background: var(--accent-green);
    color:      var(--bg-darker);
}

body {
    position:    relative;
    background:  linear-gradient(60deg, #000, var(--bg-dark));
    font-family: var(--font-mono), serif;
    font-size:   16px;
    line-height: 1.6;
    color:       var(--text-primary);

    &::before {
        content:        '';
        position:       fixed;
        z-index:        9999;
        top:            0;
        left:           0;
        overflow:       hidden;
        width:          100%;
        height:         100%;
        background:     repeating-linear-gradient(
                                0deg,
                                rgba(0, 0, 0, 0.15),
                                rgba(0, 0, 0, 0.15) 1px,
                                transparent 1px,
                                transparent 2px
                        );
        animation:      flicker 0.15s infinite;
        pointer-events: none;
    }
}


/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h2, h3 {
    display:       flex;
    align-items:   center;
    gap:           0.75rem;
    margin-bottom: 1.5rem;
    font-family:   var(--font-header);
    font-weight:   700;
}

h2 {
    font-size: 2.5rem;
    color:     var(--text-primary);
}

h3 {
    margin-top: 2rem;
    font-size:  1.5rem;
    color:      var(--text-primary);
}

code {
    border-radius: 3px;
    padding:       0.2rem 0.4rem;
    background:    var(--bg-darker);
    font-family:   var(--font-mono);
    font-size:     0.9em;
    color:         var(--accent-green);
}

pre {
    margin: 0;

    code {
        display:    block;
        padding:    0;
        background: none;
        color:      var(--text-primary);
    }
}

ul {
    margin: 1rem 0 1rem 2rem;

    li {
        margin: 0.5rem 0;
        color:  var(--text-secondary);
    }
}

.caret {
    display:        inline-block;
    width:          24px;
    height:         24px;
    vertical-align: middle;
}

.cursor {
    animation:   blink 1s infinite;
    color:       var(--accent-green);
    text-shadow: 0 0 8px var(--accent-green);
}


/* ============================================================
   LAYOUT
   ============================================================ */

.docs-layout {
    display:     flex;
    align-items: start;
    margin:      0 auto;

    .docs-nav {
        position:   sticky;
        top:        calc(var(--header-height) + 1rem);
        height:     calc(100vh - var(--header-height));
        width:      15vw;
        overflow-y: auto;
        margin:     1rem;

        ul {
            margin:     0;
            padding:    0;
            list-style: none;

            li {
                margin: 0;

                &.nav-divider {
                    margin:     1rem 0;
                    border-top: 1px solid var(--border);
                }
            }
        }

        .nav-link {
            display:         flex;
            align-items:     center;
            gap:             0.5rem;
            padding:         0.4rem 1rem;
            transition:      all 0.2s;
            font-size:       0.9rem;
            text-decoration: none;
            color:           var(--text-secondary);

            &::before {
                content:     '';
                display:     inline-block;
                width:       12px;
                height:      12px;
                background:  url('logos/caret-38x38.png') no-repeat center / contain;
                opacity:     0;
                transition:  opacity 0.2s;
                flex-shrink: 0;
            }

            &:hover {
                color: var(--text-primary);

                &::before {
                    opacity: 0.5;
                }
            }

            &.active {
                color: var(--accent-green);

                &::before {
                    opacity: 1;
                }
            }

            &.nav-link-external {
                color: var(--accent-blue);

                &:hover {
                    color: var(--accent-green);
                }
            }
        }
    }

    .docs-container {
        display:        flex;
        flex-direction: column;
        max-width:      1200px;
        margin:         1rem auto;
        padding:        0;
    }
}

section {
    margin-bottom:     4rem;
    scroll-margin-top: calc(var(--header-height) + 1rem);
}

.page-subtitle {
    margin-bottom: 2rem;
    color:         var(--text-secondary);
}

.loading {
    color: var(--text-secondary);
}


/* ============================================================
   HEADER
   ============================================================ */

header {
    position:        sticky;
    top:             0;
    z-index:         1000;
    display:         flex;
    flex-direction:  column;
    align-items:     center;
    justify-content: center;
    gap:             1rem;
    padding:         2rem;
    border-bottom:   1px solid var(--border);
    background:      var(--bg-dark);
    text-align:      center;

    .logo {
        width:     100%;
        max-width: 200px;
        height:    auto;
    }

    .install-command {
        display:       inline-flex;
        align-items:   center;
        gap:           1rem;
        border:        1px solid var(--border);
        border-radius: 6px;
        padding:       1rem 1.5rem;
        background:    var(--bg-darker);
        font-size:     1.1rem;

        .copy-btn {
            display:       inline-block;
            border:        none;
            border-radius: 4px;
            padding:       0.5rem 1rem;
            background:    var(--accent-green);
            box-shadow:    0 0 1px rgb(from var(--accent-green) r g b / 0.3);
            cursor:        pointer;
            transition:    all .8s;
            font-family:   var(--font-mono);
            font-size:     0.9rem;
            font-weight:   600;
            color:         var(--bg-darker);

            &:hover {
                box-shadow: 0 0 2rem rgb(from var(--accent-green) r g b / 0.5);
                transition: all .2s;
            }

            &:active {
                transform: scale(0.95);
            }
        }
    }

    .quick-links {
        display:         flex;
        justify-content: center;
        gap:             1rem;

        a {
            transition:      color 0.2s;
            font-weight:     500;
            text-decoration: none;
            color:           var(--text-primary);

            &:hover {
                color: var(--accent-green);
            }
        }
    }
}


/* ============================================================
   FOOTER
   ============================================================ */

footer {
    border-top: 1px solid var(--border);
    padding:    2rem 0;
    font-size:  0.9rem;
    text-align: center;
    color:      var(--text-secondary);

    a {
        transition:      color 0.2s;
        text-decoration: none;
        color:           var(--text-secondary);

        &:hover {
            color: var(--accent-green);
        }
    }
}


/* ============================================================
   COMPONENTS - FEATURES
   ============================================================ */

.feature-grid {
    display:               grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap:                   2rem;
    margin-top:            2rem;
}

.feature,
.demo {
    position:      relative;
    z-index:       1;
    border:        1px solid var(--border);
    border-radius: 8px;
    background:    var(--bg-darker);
    box-shadow:    0 0 1px rgb(from var(--accent-green) r g b / 0.1);
    transition:    all .8s;

    &:hover {
        z-index:      -1;
        border-color: var(--accent-green);
        box-shadow:   0 0 2rem rgb(from var(--accent-green) r g b / 0.2);
        transition:   all .2s;
    }
}

.feature {
    padding: 2rem;

    .emoji {
        display:       block;
        margin-bottom: 1rem;
        font-size:     2.5rem;
    }

    h3 {
        margin:    0 0 0.5rem 0;
        font-size: 1.2rem;
    }

    p {
        margin:    0;
        font-size: 0.95rem;
        color:     var(--text-secondary);
    }
}


/* ============================================================
   COMPONENTS - TERMINAL
   ============================================================ */

.demo {
    overflow-x: auto;
    margin:     1rem 0;
    padding:    1.5rem;
    font-size:  0.95rem;
}

.terminal-line {
    margin:      0.5rem 0;
    white-space: nowrap;
}

.command {
    font-weight: 600;
    color:       var(--accent-green);
    text-shadow: 0 0 8px rgba(82, 212, 87, 0.6);
}

.flag {
    color: var(--accent-blue);
}

.string {
    color: #ce9178;
}

.comment {
    font-style: italic;
    color:      var(--text-secondary);
}

.output {
    margin-top:  1rem;
    border-top:  1px solid var(--border);
    padding-top: 1rem;
    color:       var(--text-secondary);

    div {
        margin: 0.25rem 0;
    }
}

.prompt {
    font-weight:   600;
    color:         var(--accent-green);
    padding-right: 8px;
}

/* ============================================================
   COMPONENTS - OPTIONS TABLE
   ============================================================ */

.options-table {
    margin-top: 1.5rem;
}

.option-row {
    display:               grid;
    grid-template-columns: 280px 1fr;
    align-items:           start;
    gap:                   2rem;
    border-bottom:         1px solid var(--border);
    padding:               1rem;

    &:last-child {
        border-bottom: none;
    }

    code {
        font-size: 0.9rem;
    }

    span {
        color: var(--text-secondary);
    }
}


/* ============================================================
   COMPONENTS - CONFIG TABLE
   ============================================================ */

.config-table {
    margin-top: 1.5rem;
}

.config-row {
    border-bottom: 1px solid var(--border);
    padding:       1.5rem 0;

    &:last-child {
        border-bottom: none;
    }

    p {
        margin: 0;
        color:  var(--text-secondary);
    }
}

.config-option {
    display:       flex;
    flex-wrap:     wrap;
    align-items:   center;
    gap:           1rem;
    margin-bottom: 0.5rem;

    code {
        font-size:   1rem;
        font-weight: 600;
    }

    .type {
        font-size: 0.85rem;
        color:     var(--accent-blue);
    }

    .default {
        font-size: 0.85rem;
        color:     var(--text-secondary);
    }
}


/* ============================================================
   COMPONENTS - TABS
   ============================================================ */

.tabs {
    margin-top: 2rem;
}

.tab-buttons {
    display:       flex;
    gap:           0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    position:      relative;
    z-index:       1;
    border:        none;
    border-bottom: 2px solid transparent;
    padding:       0.75rem 1.5rem;
    background:    var(--bg-dark);
    box-shadow:    0 0 1px rgb(from var(--accent-green) r g b / 0);
    cursor:        pointer;
    transition:    all .8s;
    font-family:   var(--font-mono);
    font-size:     0.95rem;
    color:         var(--text-secondary);

    &:hover {
        box-shadow: 0 0 1rem rgb(from var(--accent-green) r g b / 0.2);
        transition: all .2s;
        color:      var(--text-primary);
    }

    &.active {
        border-bottom-color: var(--accent-green);
        color:               var(--accent-green);
    }
}

.tab-content {
    display: none;

    &.active {
        display: block;
    }

    a {
        color: var(--accent-green);
    }

    h3:first-child {
        margin-top: 0;
    }
}


/* ============================================================
   COMPONENTS - EXAMPLES
   ============================================================ */

.example-group {
    margin-top: 2rem;

    h3 {
        margin-bottom: 0.75rem;
        font-size:     1.2rem;
    }
}


/* ============================================================
   COMPONENTS - RELEASES DRAWER
   ============================================================ */

.drawer-overlay {
    position:       fixed;
    inset:          0;
    z-index:        2000;
    background:     rgba(0, 0, 0, 0.6);
    opacity:        0;
    pointer-events: none;
    transition:     opacity 0.3s ease;

    &.active {
        opacity:        1;
        pointer-events: all;
    }
}

.drawer {
    position:       fixed;
    top:            0;
    right:          0;
    z-index:        2001;
    width:          600px;
    max-width:      100vw;
    height:         100vh;
    display:        flex;
    flex-direction: column;
    border-left:    1px solid var(--border);
    background:     var(--bg-dark);
    transform:      translateX(100%);
    transition:     transform 0.3s ease;

    &.active {
        transform: translateX(0);
    }
}

.drawer-header {
    display:         flex;
    justify-content: space-between;
    align-items:     center;
    padding:         1.5rem 2rem;
    border-bottom:   1px solid var(--border);
    flex-shrink:     0;

    h2 {
        margin:    0;
        font-size: 1.5rem;
    }
}

.drawer-close {
    display:         flex;
    align-items:     center;
    justify-content: center;
    width:           2rem;
    height:          2rem;
    border:          1px solid var(--border);
    border-radius:   4px;
    background:      transparent;
    cursor:          pointer;
    transition:      all 0.2s;
    font-family:     var(--font-mono);
    font-size:       0.9rem;
    color:           var(--text-secondary);

    &:hover {
        border-color: var(--accent-green);
        color:        var(--accent-green);
    }
}

.drawer-content {
    flex:       1;
    overflow-y: auto;
    padding:    2rem;
}


/* ============================================================
   COMPONENTS - RELEASE CARDS
   ============================================================ */

.release-card {
    margin-bottom: 2rem;
    border:        1px solid var(--border);
    border-radius: 8px;
    overflow:      hidden;
    background:    var(--bg-darker);
    transition:    border-color 0.2s;

    &:hover {
        border-color: var(--accent-green);
    }
}

.release-header {
    display:         flex;
    justify-content: space-between;
    align-items:     flex-start;
    gap:             1rem;
    padding:         1.5rem;
    border-bottom:   1px solid var(--border);

    h3 {
        margin:    0;
        font-size: 1.3rem;
        color:     var(--accent-green);
    }
}

.release-meta {
    display:        flex;
    flex-direction: column;
    gap:            0.25rem;
    text-align:     right;
    font-size:      0.85rem;
    color:          var(--text-secondary);
}

.release-section {
    padding:       1.5rem;
    border-bottom: 1px solid var(--border);

    h4 {
        margin:         0 0 0.5rem 0;
        font-size:      0.9rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color:          var(--text-secondary);
    }

    p {
        margin:      0;
        color:       var(--text-primary);
        white-space: pre-wrap;
    }
}

.release-install {
    display:     flex;
    align-items: center;
    gap:         1rem;
    padding:     1rem 1.5rem;
    font-size:   0.9rem;
    color:       var(--text-secondary);

    .copy-btn {
        margin-left:   auto;
        border:        none;
        border-radius: 4px;
        padding:       0.3rem 0.75rem;
        background:    var(--accent-green);
        cursor:        pointer;
        font-family:   var(--font-mono);
        font-size:     0.8rem;
        font-weight:   600;
        color:         var(--bg-darker);
    }
}


/* ============================================================
   MEDIA QUERIES
   ============================================================ */

@media (min-width: 769px) {
    header {
        flex-direction:  row;
        justify-content: space-between;
        align-items:     center;
        gap:             2rem;

        .logo {
            margin-bottom: 0;
        }
    }
}

@media (max-width: 900px) {
    .docs-nav {
        display: none;
    }
}

@media (max-width: 768px) {
    header {
        position:       relative;
        flex-direction: column;
    }

    h2 {
        font-size: 2rem;
    }

    .logo {
        max-width: 300px;
    }

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

    .option-row {
        grid-template-columns: 1fr;
        gap:                   0.5rem;
    }

    .quick-links {
        flex-direction: column;
        gap:            1rem;
    }

    .install-command {
        flex-direction: column;
        width:          100%;
        text-align:     left;
    }
}