/* Tools Page — Obsidian Matte Premium */

.tool-container {
    display:grid;
    grid-template-columns: 1fr 1.5fr;
    gap:20px;
    margin-top:32px;
}

/* Input Panel */
.input-panel {
    background:var(--surface-2);
    padding:24px;
    border-radius:var(--r-md);
    border:1px solid var(--border);
}
.input-panel h4 {
    font-family:var(--font-d);
    font-size:15px; font-weight:600;
    margin-bottom:20px;
    color:var(--text-1);
}

/* Form */
.form-group { margin-bottom:18px; }
.form-group label {
    display:flex; align-items:center; gap:8px;
    font-size:13px; font-weight:500;
    color:var(--text-2); margin-bottom:6px;
}
.form-group .tooltip {
    display:inline-flex; align-items:center; justify-content:center;
    width:16px; height:16px;
    background:var(--border-2); color:var(--text-3);
    border-radius:50%; font-size:10px; font-weight:bold;
    cursor:help; margin-left:auto;
    transition:all .2s;
}
.form-group .tooltip:hover { background:var(--accent); color:var(--bg); }
.form-group input[type="number"] {
    width:100%; padding:10px 14px;
    border:1px solid var(--border);
    border-radius:8px;
    font-size:14px; font-family:var(--font-m);
    background:var(--surface);
    color:var(--text-1);
    transition:all .2s;
}
.form-group input[type="number"]:focus {
    outline:none;
    border-color:var(--accent);
    box-shadow:0 0 0 3px rgba(200,169,110,.1);
}
.form-group input[type="number"]:hover { border-color:var(--border-2); }

/* Buttons */
.button-group { display:flex; flex-direction:column; gap:10px; margin-top:24px; }
.btn {
    width:100%; padding:11px 20px;
    border:none; border-radius:var(--r-sm);
    font-size:14px; font-weight:600; font-family:var(--font-b);
    cursor:pointer;
    display:flex; align-items:center; justify-content:center; gap:8px;
    transition:all .3s var(--ease);
}
.btn i { font-size:14px; }
.btn-primary { background:var(--accent); color:var(--bg); }
.btn-primary:hover { background:var(--accent-dim); transform:translateY(-2px); box-shadow:0 4px 16px rgba(20,184,166,.25); }
.btn-primary:active { transform:translateY(0); }
.btn-secondary { background:var(--surface-3); color:var(--text-2); border:1px solid var(--border); }
.btn-secondary:hover:not(:disabled) { background:var(--border-2); color:var(--text-1); transform:translateY(-2px); }
.btn-secondary:active:not(:disabled) { transform:translateY(0); }
.btn:disabled { opacity:.4; cursor:not-allowed; transform:none!important; }

/* Preview Panel */
.preview-panel {
    background:var(--surface);
    padding:24px;
    border-radius:var(--r-md);
    border:1px solid var(--border);
}
.preview-panel h4 {
    font-family:var(--font-d);
    font-size:15px; font-weight:600;
    margin-bottom:20px; color:var(--text-1);
}
#preview-container {
    width:100%; min-height:400px;
    background:var(--surface-2);
    border-radius:var(--r-sm);
    border:1px solid var(--border);
    display:flex; align-items:center; justify-content:center;
    overflow:hidden; position:relative;
}
#preview-placeholder {
    display:flex; flex-direction:column; align-items:center;
    justify-content:center; text-align:center; padding:32px;
}

/* Calculated Params */
#calculated-params {
    background:var(--surface-2);
    padding:18px; border-radius:var(--r-sm);
    border:1px solid var(--border);
}
#calculated-params h5 {
    font-family:var(--font-d);
    font-size:13px; font-weight:600;
    color:var(--text-1); margin-bottom:12px;
}
.param-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; }
.param-item {
    display:flex; justify-content:space-between; align-items:center;
    padding:8px 12px;
    background:var(--surface); border-radius:6px;
    border:1px solid var(--border);
}
.param-label { font-size:12px; color:var(--text-3); font-weight:500; }
.param-value { font-size:13px; color:var(--accent); font-weight:600; font-family:var(--font-m); }

/* Status Messages */
.status-message {
    margin-top:16px; padding:12px 16px;
    border-radius:8px; font-size:13px; font-weight:500;
    display:flex; align-items:center; gap:10px;
}
.status-message::before { font-family:'Font Awesome 6 Free'; font-weight:900; font-size:14px; }
.status-info { background:rgba(200,169,110,.06); color:var(--accent-bright); border:1px solid rgba(200,169,110,.12); }
.status-info::before { content:'\f05a'; }
.status-success { background:rgba(34,197,94,.06); color:#86EFAC; border:1px solid rgba(34,197,94,.12); }
.status-success::before { content:'\f058'; }
.status-error { background:rgba(239,68,68,.06); color:#FCA5A5; border:1px solid rgba(239,68,68,.12); }
.status-error::before { content:'\f06a'; }

/* Info Section */
.info-section {
    background:rgba(200,169,110,.03);
    padding:28px; border-radius:var(--r-md);
}
.info-section h4 {
    font-family:var(--font-d);
    font-size:18px; font-weight:600;
    color:var(--text-1);
}

/* Tag override */
.tag-row { display:flex; flex-wrap:wrap; gap:6px; margin-top:16px; }
.tag {
    padding:4px 12px;
    background:var(--accent-bg);
    color:var(--accent);
    border-radius:5px;
    font-family:var(--font-m);
    font-size:10px; font-weight:500;
    text-transform:uppercase;
    letter-spacing:.07em;
}

/* Active nav link */
nav .nav-links a.active { color:var(--text-1); }
nav .nav-links a.active::after { width:100%; }

/* Responsive */
@media (max-width:1024px) {
    .tool-container { grid-template-columns:1fr; }
    .param-grid { grid-template-columns:1fr; }
}
@media (max-width:768px) {
    .input-panel, .preview-panel { padding:20px; }
    #preview-container { min-height:300px; }
    .btn { padding:10px 16px; font-size:13px; }
}

/* Spin */
@keyframes spin { 0%{transform:rotate(0)} 100%{transform:rotate(360deg)} }
.fa-spin { animation:spin 1s linear infinite; }