/* Blockchain Lab - Complete Stylesheet with Categories */

:root {
    --radius: 18px;
    color-scheme: dark;
}

* {
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

html, body {
    height: 100%;
    margin: 0;
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 0.8rem;
    background:
        linear-gradient(115deg, color-mix(in srgb, var(--accent) 12%, transparent), transparent 34%),
        linear-gradient(245deg, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 42%),
        repeating-linear-gradient(90deg, color-mix(in srgb, var(--accent) 4%, transparent) 0 1px, transparent 1px 64px),
        repeating-linear-gradient(0deg, color-mix(in srgb, var(--accent-2) 3%, transparent) 0 1px, transparent 1px 64px),
        var(--bg);
    color: var(--text);
    font: 13px/1.45 "Fira Code", "JetBrains Mono", ui-monospace, monospace;
    overflow-y: auto;
    position: relative;
}

.background-scope {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    opacity: .48;
    pointer-events: none;
    z-index: 0;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(180deg, var(--accent), var(--accent) 1px, transparent 1px, transparent 4px);
    mix-blend-mode: screen;
    opacity: .08;
    animation: scan 10s linear infinite;
    z-index: 9999;
}

@keyframes scan {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

.frame {
    width: min(1200px, 100%);
    display: flex;
    flex-direction: column;
    border-radius: var(--radius);
    border: 1px solid var(--accent);
    box-shadow: 0 0 52px var(--accent);
    background: var(--panel);
    overflow: hidden;
    margin: 0.5rem 0;
    position: relative;
    z-index: 1;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    border-bottom: 1px solid var(--accent);
    background: linear-gradient(90deg, var(--panel), transparent);
    letter-spacing: .2rem;
    text-transform: uppercase;
    font-size: .7rem;
    opacity: .85;
}

.lights span {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    margin-right: 6px;
    transition: none;
}

.lights span:nth-child(1) { background: #ff5f56; }
.lights span:nth-child(2) { background: #ffbd2e; }
.lights span:nth-child(3) { background: #27c93f; }

main {
    padding: 12px 16px 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hero {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}

.hero h1 {
    margin: 0;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    letter-spacing: .25rem;
    text-transform: uppercase;
    color: var(--accent);
    text-shadow: 0 0 26px var(--accent);
}

.hero p {
    margin: 0;
    max-width: 400px;
    color: var(--muted);
    font-size: .9rem;
}

.search-container {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 8px 0;
    position: relative;
}

.search-input {
    flex: 1;
    padding: 8px 12px;
    background: var(--panel);
    border: 1px solid var(--accent);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.8rem;
    box-shadow: inset 0 0 8px var(--accent);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-2);
    box-shadow: 0 0 12px var(--accent-2);
}

.search-clear {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    padding: 0;
}

.search-clear:hover {
    background: var(--accent);
    color: var(--bg);
    transform: none;
    box-shadow: none;
    filter: none;
}

/* CATEGORY SECTIONS */
#categories-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.category-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-section.hidden {
    display: none;
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-bottom: 1px solid var(--accent);
    background: linear-gradient(90deg, var(--panel), transparent);
}

.category-title {
    margin: 0;
    font-size: 1rem;
    letter-spacing: .2rem;
    text-transform: uppercase;
    color: var(--accent);
    text-shadow: 0 0 16px var(--accent);
}

.category-count {
    font-size: .65rem;
    letter-spacing: .15rem;
    text-transform: uppercase;
    color: var(--muted);
    opacity: 0.7;
}

.card.hidden {
    display: none;
}

.grid {
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.card {
    border: 1px solid var(--accent);
    border-radius: 12px;
    background: var(--panel);
    box-shadow: inset 0 0 22px var(--accent);
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
    padding: 12px 16px;
    height: 60px;
    display: flex;
    align-items: center;
    opacity: 0.85;
}

.card:hover {
    border-color: var(--accent-2);
    box-shadow: inset 0 0 22px var(--accent-2), 0 4px 16px var(--accent-2);
    transform: translateY(-2px);
    opacity: 1;
}

.card::after {
    content: attr(data-label);
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 16px;
    font-size: .65rem;
    letter-spacing: .2rem;
    text-transform: uppercase;
    color: var(--muted);
}

.card h2 {
    margin: 0;
    font-size: .7rem;
    letter-spacing: .15rem;
    text-transform: uppercase;
    color: var(--accent);
}

button {
    padding: .5rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--accent);
    background: transparent;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .15rem;
    font-size: .6rem;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

button.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: var(--bg);
    box-shadow: 0 0 18px var(--accent);
    font-weight: 600;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 18px var(--accent);
    filter: brightness(1.2);
}

button:active {
    transform: translateY(0);
}

textarea, select, input {
    background: var(--panel);
    border: 1px solid var(--accent);
    border-radius: 8px;
    padding: 12px;
    color: var(--text);
    font: inherit;
    box-shadow: inset 0 0 12px var(--accent);
}

textarea:focus, select:focus, input:focus {
    outline: none;
    border-color: var(--accent-2);
    box-shadow: 0 0 12px var(--accent-2);
}

.mini-input, select {
    padding: .5rem .8rem;
    min-width: 100px;
    width: 100%;
    font-size: .85rem;
}

.status-line {
    font-size: .7rem;
    letter-spacing: .2rem;
    text-transform: uppercase;
    color: var(--muted);
    padding: 4px 8px;
    border-radius: 4px;
}

.status-line.success {
    color: var(--ok);
}

.status-line.error {
    color: var(--error);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

footer {
    text-align: center;
    font-size: .65rem;
    letter-spacing: .2rem;
    text-transform: uppercase;
    color: var(--muted);
    margin-top: 8px;
}

/* WORKSPACE MODAL */
.blockchain-workspace {
    display: none;
    position: fixed;
    z-index: 1000;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
}

.blockchain-workspace[aria-hidden="false"] {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.3s ease;
}

.workspace-content {
    background: var(--panel);
    border: 1px solid var(--accent);
    border-radius: 16px;
    width: 90%;
    height: 85%;
    max-width: 1600px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 0 80px var(--accent);
    animation: modalSlideIn 0.3s ease;
}

.blockchain-workspace.fullscreen .workspace-content {
    width: 100%;
    height: 100%;
    max-width: 100%;
    border-radius: 0;
}

.workspace-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--accent);
    background: linear-gradient(90deg, var(--panel), transparent);
    flex-shrink: 0;
}

.workspace-header h2 {
    color: var(--accent);
    font-size: 1.1rem;
    letter-spacing: .25rem;
    text-transform: uppercase;
    margin: 0;
}

.close-workspace {
    background: none;
    border: 1px solid var(--accent);
    color: var(--accent);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 1.1rem;
    width: auto;
    height: auto;
}

.close-workspace:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: var(--bg);
    transform: none;
    box-shadow: 0 0 16px var(--accent);
    filter: none;
}

.workspace-body {
    display: flex;
    flex: 1;
    gap: 2px;
    background: var(--accent);
    overflow: hidden;
}

.workspace-panel {
    flex: 1;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-label {
    padding: 12px 16px;
    font-size: .7rem;
    letter-spacing: .2rem;
    text-transform: uppercase;
    color: var(--accent);
    border-bottom: 1px solid var(--accent);
    flex-shrink: 0;
}

.config-area {
    flex: 1;
    padding: 16px;
    overflow: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.config-area::-webkit-scrollbar {
    width: 8px;
}

.config-area::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border-radius: 8px;
}

.output-textarea {
    flex: 1;
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text);
    padding: 16px;
    resize: none;
    font-family: "Fira Code", monospace;
    font-size: 0.85rem;
    box-shadow: none;
    line-height: 1.6;
}

.blockchain-input {
    width: 100%;
    min-height: 180px;
    background: var(--panel);
    border: 1px solid var(--accent);
    color: var(--text);
    padding: 12px;
    border-radius: 8px;
    resize: vertical;
    font-family: "Fira Code", monospace;
    font-size: 0.85rem;
    box-shadow: inset 0 0 12px var(--accent);
    line-height: 1.6;
}

.config-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.label {
    color: var(--text);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .1rem;
    opacity: 0.8;
}

.workspace-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--accent);
    background: var(--panel);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideIn {
    from { transform: translateY(-30px) scale(0.95); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.mb-12 { margin-bottom: 1.2rem; }
.w-100 { width: 100%; }

@media (max-width: 768px) {
    body {
        font-size: 12px;
        padding: 0.4rem;
    }
    .workspace-body {
        flex-direction: column;
    }
    .workspace-content {
        width: 100%;
        height: 100%;
        border-radius: 0;
    }
}