/* ==========================================================
   BASE TOOL SYSTEM
========================================================== */

* {
    box-sizing: border-box;
}

/* ==========================================================
   WORKSPACE
========================================================== */

.qr-workspace {
    padding: 40px 0;
}

/* ==========================================================
   EDITOR LAYOUT (3 COLUMN SYSTEM)
========================================================== */

.editor-layout {
    display: grid;
    grid-template-columns: 1fr 260px 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 1100px) {
    .editor-layout {
        display: flex;
        flex-direction: column;
    }

    .input-panel { order: 1; }
    .options-panel { order: 2; }
    .result-panel { order: 3; }
}

/* ==========================================================
   CARDS
========================================================== */

.hero-card {
    background: linear-gradient(145deg, #0f172a, #111827);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 12px 35px rgba(0,0,0,0.35);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ==========================================================
   TITLES
========================================================== */

.hero-card h2 {
    margin: 0;
    font-size: 18px;
    color: #fff;
}

/* ==========================================================
   TEXTAREA (UNIFIED)
========================================================== */

textarea {
    width: 100%;
    min-height: 220px;
    padding: 18px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.08);
    background: #0b1220;
    color: #fff;
    font-size: 14px;
    font-family: Consolas, Monaco, monospace;
    resize: vertical;
    outline: none;
    transition: 0.2s;
}

textarea:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.18);
}

/* ==========================================================
   INPUT PANEL ACTIONS
========================================================== */

.upload-area {
    display: flex;
    justify-content: flex-end;
    margin-top: 12px;
}

/* ==========================================================
   OPTIONS PANEL (VERTICAL TOOL STYLE)
========================================================== */

.options-panel {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.option-checkbox{
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: #d7d7d7;
    font-size: 14px;
    user-select: none;
    line-height: 1;
}

.option-checkbox input{
    margin: 0;
    display: grid;
    place-content: center;
    width: 16px;
    height: 16px;
    accent-color: #2563eb;
    transform: translateY(0.5px);
}

/* ==========================================================
   BUTTONS (UNIFIED SYSTEM)
========================================================== */

.btn {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: 0.2s;
    background: #2563eb;
    color: #fff;
}

.btn:hover {
    transform: translateY(-2px);
    background: #1d4ed8;
}

.btn.secondary {
    background: #374151;
}

.btn.secondary:hover {
    background: #2d3748;
}

/* success button */
.btn.success {
    background: #22c55e;
}

.btn.success:hover {
    background: #16a34a;
}

/* ==========================================================
   OUTPUT BOX
========================================================== */

.result-panel textarea {
    min-height: 260px;
    background: #0f172a;
}

/* ==========================================================
   STATS GRID
========================================================== */

#urlStats{
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-card {
    background: #0b1220;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 14px;
}

.stat-card strong {
    display: block;
    color: #9ca3af;
    font-size: 12px;
    margin-bottom: 6px;
}

.stat-card span {
    color: #fff;
    font-size: 14px;
    word-break: break-word;
}

/* ==========================================================
   LOG AREA
========================================================== */

.event-log {
    background: #0b1220;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 14px;
    min-height: 200px;
    font-family: Consolas, Monaco, monospace;
    color: #cbd5e1;
}

.placeholder {
    text-align: center;
    padding: 40px;
    color: #6b7280;
}

/* ==========================================================
   RESPONSIVE
========================================================== */

@media (max-width: 768px) {

    textarea {
        min-height: 180px;
        font-size: 13px;
    }

    .btn {
        width: 100%;
    }
}

.url-card{
    background:#0f172a;
    border:1px solid rgba(255,255,255,.08);
    border-radius:14px;
    padding:16px;
    margin-bottom:16px;
    box-shadow:0 10px 25px rgba(0,0,0,.25);
}

.url-card-header{
    display:flex;
    flex-direction:column;
    gap:6px;
    margin-bottom:12px;
    border-bottom:1px solid rgba(255,255,255,.06);
    padding-bottom:10px;
}

.url-text{
    font-size:12px;
    color:#9ca3af;
    word-break:break-all;
}

.url-card-meta{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:6px 12px;
    font-size:13px;
    color:#e5e7eb;
    margin-bottom:12px;
}

.url-card-params h4{
    font-size:13px;
    margin-bottom:8px;
    color:#9ca3af;
}

.param-row{
    display:flex;
    justify-content:space-between;
    padding:6px 10px;
    border:1px solid rgba(255,255,255,.05);
    border-radius:8px;
    margin-bottom:6px;
    font-size:13px;
}

.param-row .key{
    color:#60a5fa;
}

.param-row .value{
    color:#e5e7eb;
    word-break:break-all;
}

.empty{
    color:#6b7280;
    font-size:13px;
}