/* SPDX-FileCopyrightText: (c) 2025 Tenstorrent AI ULC */
/* SPDX-License-Identifier: Apache-2.0 */

/* ── tt-lang Kernel Playground ─────────────────────────────────────────────── */

.tt-playground {
    border: 1px solid #2a4a55;
    border-radius: 8px;
    background: #0f2a35;
    color: #e8f0f2;
    font-family: 'Segoe UI', system-ui, sans-serif;
    margin: 2rem 0;
    overflow: hidden;
}

.tt-pg-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    background: #1a3c47;
    border-bottom: 1px solid #2a4a55;
}

.tt-pg-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: #4fd1c5;
}

.tt-pg-badge {
    font-size: 0.7rem;
    color: #607d8b;
    font-style: italic;
}

.tt-pg-editor-wrap {
    padding: 0;
    border-bottom: 1px solid #1a3c47;
}

.tt-pg-editor {
    width: 100%;
    min-height: 260px;
    padding: 1rem;
    background: #0d1f27;
    color: #e8f0f2;
    font-family: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.82rem;
    line-height: 1.6;
    border: none;
    outline: none;
    resize: vertical;
    box-sizing: border-box;
    tab-size: 4;
    white-space: pre;
    overflow-x: auto;
}

.tt-pg-editor:focus {
    box-shadow: inset 0 0 0 2px #4fd1c530;
}

.tt-pg-toolbar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: #1a3c47;
    border-bottom: 1px solid #2a4a55;
    flex-wrap: wrap;
}

.tt-pg-btn {
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
    border: 1px solid #2a4a55;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: background 0.15s, border-color 0.15s;
}

.tt-pg-run {
    background: #4fd1c5;
    color: #0f2a35;
    border-color: #4fd1c5;
}

.tt-pg-run:hover:not(:disabled) {
    background: #81e6d9;
    border-color: #81e6d9;
}

.tt-pg-run:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.tt-pg-reset,
.tt-pg-clear-out {
    background: transparent;
    color: #b0c4de;
    border-color: #2a4a55;
}

.tt-pg-reset:hover,
.tt-pg-clear-out:hover {
    border-color: #4fd1c5;
    color: #4fd1c5;
}

.tt-pg-kernel-select {
    padding: 0.25rem 0.5rem;
    background: #0d1f27;
    color: #b0c4de;
    border: 1px solid #2a4a55;
    border-radius: 4px;
    font-size: 0.78rem;
    cursor: pointer;
}

.tt-pg-kernel-select:focus {
    outline: none;
    border-color: #4fd1c5;
}

.tt-pg-status {
    font-size: 0.75rem;
    color: #607d8b;
    margin-left: 0.25rem;
    flex: 1;
}

.tt-pg-spinner {
    display: none;
    width: 14px;
    height: 14px;
    border: 2px solid #2a4a55;
    border-top-color: #4fd1c5;
    border-radius: 50%;
    animation: tt-spin 0.7s linear infinite;
}

@keyframes tt-spin {
    to { transform: rotate(360deg); }
}

.tt-pg-output {
    margin: 0;
    padding: 0.75rem 1rem;
    min-height: 100px;
    max-height: 320px;
    overflow-y: auto;
    font-family: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    background: #0d1f27;
    color: #e8f0f2;
    white-space: pre-wrap;
    word-break: break-word;
}

.tt-pg-stderr {
    color: #ff6b6b;
}

/* Mount point (before JS initializes it) */
.tt-playground-mount::before {
    content: 'Loading playground…';
    display: block;
    padding: 1rem;
    color: #607d8b;
    font-style: italic;
    font-size: 0.85rem;
}

.tt-playground-mount:not(:empty)::before {
    content: none;
}