/* =====================================================
   UTILITY DASHBOARD — Premium Dark Neon SaaS Layout
   SellToolMMO.Com — Overhauled Design
   ===================================================== */

:root {
    --bg-base: #070a13;
    --bg-surface: #0b0f19;
    --bg-card: #0f172a;
    --bg-card-hover: #1e293b;
    --border: rgba(14, 165, 233, 0.15);
    --border-hover: rgba(14, 165, 233, 0.35);
    --border-active: #0ea5e9;
    --accent: #0ea5e9;
    --accent-hover: #38bdf8;
    --accent-glow: rgba(14, 165, 233, 0.25);
    --accent-soft: rgba(14, 165, 233, 0.1);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    --shadow-glow: 0 0 16px var(--accent-glow), 0 0 0 1px var(--border-active);
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── CONTAINER ───────────────────────────────────── */
.utility-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 0 0 40px;
}

/* ── HEADER ──────────────────────────────────────── */
.utility-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.utility-header-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-soft);
    border: 1.5px solid var(--border-active);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 0 12px var(--accent-glow);
}

.utility-header h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    background: linear-gradient(135deg, #ffffff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.utility-header p {
    font-size: 13.5px;
    color: var(--text-secondary);
    margin: 4px 0 0;
}

.utility-badge {
    background: var(--accent-soft);
    border: 1px solid rgba(14, 165, 233, 0.3);
    color: var(--accent-hover);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.btn-utility-blog {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 36px;
    padding: 0 16px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.btn-utility-blog:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-active);
    box-shadow: 0 0 12px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-utility-blog i {
    font-size: 15px;
    color: var(--accent);
}

/* ── SPLIT LAYOUT ────────────────────────────────── */
.utility-split-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    align-items: start;
}

/* ── LEFT SIDEBAR (TOOLS MENU) ─────────────────────── */
.utility-sidebar {
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: var(--shadow-card);
    max-height: calc(100vh - 180px);
    position: sticky;
    top: 100px;
}

/* Search bar */
.utility-search-wrapper {
    position: relative;
    width: 100%;
}

.utility-search-wrapper i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 15px;
    pointer-events: none;
    transition: var(--transition);
}

.utility-search-wrapper input {
    width: 100%;
    height: 40px;
    padding: 0 16px 0 38px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 13.5px;
    outline: none;
    transition: var(--transition);
    box-sizing: border-box;
}

.utility-search-wrapper input::placeholder {
    color: var(--text-muted);
}

.utility-search-wrapper input:focus {
    border-color: var(--border-active);
    box-shadow: 0 0 10px var(--accent-glow);
}

.utility-search-wrapper input:focus + i {
    color: var(--accent);
}

/* Tools list */
.tool-menu-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    padding-right: 4px;
}

.tool-menu-list::-webkit-scrollbar {
    width: 5px;
}
.tool-menu-list::-webkit-scrollbar-thumb {
    background: rgba(14, 165, 233, 0.2);
    border-radius: 10px;
}
.tool-menu-list::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

.tool-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
    position: relative;
}

.tool-menu-item:hover {
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(14, 165, 233, 0.25);
    transform: translateX(4px);
}

.tool-menu-item.active {
    background: var(--accent-soft);
    border-color: var(--border-active);
    box-shadow: inset 0 0 8px rgba(14, 165, 233, 0.05);
}

.tool-menu-icon {
    font-size: 18px;
    line-height: 1;
    display: flex;
    align-items: center;
}

.tool-menu-label {
    font-size: 13.5px;
    font-weight: 550;
    color: var(--text-secondary);
    transition: var(--transition);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.tool-menu-item:hover .tool-menu-label,
.tool-menu-item.active .tool-menu-label {
    color: var(--text-primary);
}

.arrow-indicator {
    font-size: 14px;
    color: var(--text-muted);
    opacity: 0;
    transition: var(--transition);
}

.tool-menu-item:hover .arrow-indicator,
.tool-menu-item.active .arrow-indicator {
    opacity: 1;
    color: var(--accent);
    transform: translateX(2px);
}

/* ── RIGHT WORKSPACE ─────────────────────────────── */
.utility-workspace {
    flex: 1;
    min-width: 0;
}

.tool-content-card {
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-lg);
    min-height: 480px;
    box-shadow: var(--shadow-card);
    transition: border-color var(--transition), box-shadow var(--transition);
    overflow: hidden;
}

.tool-content-card:has(.tool-module) {
    border-color: rgba(14, 165, 233, 0.35);
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.06), var(--shadow-card);
}

#toolContent {
    padding: 32px;
}

/* Empty workspace state */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 420px;
    gap: 16px;
    text-align: center;
}

.empty-state-icon {
    font-size: 56px;
    opacity: 0.6;
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.08); opacity: 0.85; filter: drop-shadow(0 0 10px var(--accent-glow)); }
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.empty-state p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* ── MODULE WORKSPACE COMPONENTS ────────────────── */
.tool-module {
    display: flex;
    flex-direction: column;
    gap: 24px;
    animation: fadeInUp 0.35s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.tool-module-title {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.tool-module-title span {
    font-size: 24px;
}

.tool-module-title h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* Forms controls */
.u-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.u-input,
.u-textarea,
.u-select {
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    padding: 12px 16px;
    outline: none;
    transition: var(--transition);
    box-sizing: border-box;
}

.u-textarea {
    font-family: var(--font-mono);
    line-height: 1.6;
    resize: vertical;
    min-height: 140px;
}

.u-input:focus,
.u-textarea:focus,
.u-select:focus {
    border-color: var(--border-active);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Premium Buttons inside tools */
.u-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 13.5px;
    font-weight: 700;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.u-btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%);
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.25);
}

.u-btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, var(--accent) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(14, 165, 233, 0.4);
}

.u-btn-secondary {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-secondary) !important;
    border-color: var(--border);
}

.u-btn-secondary:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary) !important;
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.u-btn-danger {
    background: rgba(239, 68, 68, 0.08);
    color: var(--danger) !important;
    border-color: rgba(239, 68, 68, 0.25);
}

.u-btn-danger:hover {
    background: var(--danger);
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.u-btn-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Premium Output box */
.u-output {
    background: var(--bg-surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-primary);
    padding: 16px;
    line-height: 1.7;
    min-height: 120px;
    white-space: pre-wrap;
    word-break: break-all;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
}

.u-field {
    display: flex;
    flex-direction: column;
}

.u-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Premium Alerts */
.u-alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 13.5px;
    line-height: 1.6;
    display: flex;
    align-items: center;
    gap: 10px;
}

.u-alert-info {
    background: rgba(14, 165, 233, 0.08);
    border: 1px solid rgba(14, 165, 233, 0.25);
    color: #38bdf8;
}

.u-alert-success {
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: #34d399;
}

.u-alert-danger {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #fca5a5;
}

/* Copy button wrapper */
.u-copy-wrap {
    position: relative;
}

.u-copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 11.5px;
    font-weight: 600;
    padding: 6px 12px;
    cursor: pointer;
    transition: var(--transition);
}

.u-copy-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-active);
    background: var(--bg-card-hover);
    box-shadow: 0 0 8px var(--accent-glow);
}

.u-divider {
    height: 1.5px;
    background: var(--border);
    border: none;
    margin: 8px 0;
}

.u-stats {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-muted);
}

.u-stat span {
    color: var(--accent-hover);
    font-weight: 700;
}

/* Loading spinner */
.tool-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 380px;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 14px;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(14, 165, 233, 0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    box-shadow: 0 0 10px var(--accent-glow);
}

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

/* ── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 1200px) {
    .utility-split-layout {
        grid-template-columns: 240px 1fr;
        gap: 16px;
    }
}

@media (max-width: 991px) {
    .utility-split-layout {
        grid-template-columns: 1fr;
    }
    
    .utility-sidebar {
        max-height: 250px;
        position: static;
    }
    
    .tool-menu-list {
        max-height: 180px;
    }
}

@media (max-width: 768px) {
    #toolContent {
        padding: 20px;
    }

    .u-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .u-btn-group {
        flex-direction: column;
    }
    
    .u-btn {
        width: 100%;
    }
}