:root {
    --bg-color: #1e73be; /* Classic Blueprint Blue */
    --sidebar-bg: rgba(16, 33, 65, 0.95); /* Keep sidebar dark and readable */
    --accent-color: #a4d8ff; /* Soft cyan/white accent */
    --text-color: #ffffff;
    --text-dim: #b0d4f1;
    --border-color: rgba(255, 255, 255, 0.2);
    --grid-color: rgba(255, 255, 255, 0.15); /* White grid */
    --input-bg: rgba(16, 33, 65, 0.7);
    --font-main: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 2000;
    background: var(--accent-color);
    color: #000;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
}

/* Sidebar Styling */
.sidebar {
    width: 380px;
    min-width: 300px;
    max-width: 800px;
    background: var(--sidebar-bg);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--border-color);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    overflow-y: auto;
    z-index: 10;
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
    flex-shrink: 0;
}

/* Sidebar Resizer */
.sidebar-resizer {
    width: 6px;
    background-color: transparent;
    cursor: col-resize;
    z-index: 100;
    transition: background-color 0.2s;
    flex-shrink: 0;
}

.sidebar-resizer:hover, .sidebar-resizer.is-resizing {
    background-color: var(--accent-color);
}

header h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--accent-color);
}

header h1 span {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-dim);
    margin-left: 5px;
}

header p {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-top: 5px;
}

.control-group h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-color);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.input-field {
    margin-bottom: 1rem;
}

.checkbox-field {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.checkbox-field input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
    cursor: pointer;
}

.input-field label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.range-input {
    display: flex;
    gap: 10px;
    align-items: center;
}

input[type="number"], input[type="text"] {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 12px;
    color: var(--accent-color);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

input[type="range"] {
    flex-grow: 1;
    accent-color: var(--accent-color);
}

.button-row {
    display: flex;
    gap: 10px;
}

button {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--accent-color);
    background: transparent;
    color: var(--accent-color);
    font-family: var(--font-main);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
}

button:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(100, 255, 218, 0.1);
}

.btn-primary {
    background: var(--accent-color);
    color: var(--bg-color);
}

.btn-primary:hover {
    background: #52e0c4;
    color: var(--bg-color);
}

.btn-export {
    margin-bottom: 10px;
    width: 100%;
    display: block;
    background: rgba(100, 255, 218, 0.05);
}

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

.stat {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-family: var(--font-mono);
}

.stat span:first-child {
    color: var(--text-dim);
}

/* Gear List Styling */
.gear-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.toolbar-actions {
    display: flex;
    gap: 5px;
}

.btn-action {
    background: rgba(2, 12, 27, 0.5);
    border: 1px solid var(--border-color);
    color: var(--text-dim);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-action:hover {
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-action.danger:hover {
    background: rgba(255, 100, 100, 0.1);
    color: #ff6464;
    border-color: #ff6464;
}

.range-input {
    display: flex;
    gap: 10px;
    align-items: center;
}

.range-input input[type="range"] {
    flex-grow: 1;
    accent-color: var(--accent-color);
    cursor: pointer;
}

.range-input input[type="number"] {
    width: 60px;
    padding: 4px 6px;
}

/* Lista Ingranaggi Items */
.gear-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 250px;
    overflow-y: auto;
    padding-right: 5px;
}

.gear-item {
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
}

.gear-item:hover {
    background: rgba(164, 216, 255, 0.1);
    border-color: rgba(164, 216, 255, 0.3);
}

.gear-item.active {
    background: rgba(164, 216, 255, 0.15);
    color: var(--text-color);
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(164, 216, 255, 0.1);
    border-left: 4px solid var(--accent-color);
}

/* Viewport Styling */
.viewport {
    flex-grow: 1;
    position: relative;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
    background-size: 100px 100px, 20px 20px, 20px 20px;
    min-width: 0; /* Previene il collasso in flexbox su smartphone */
}

/* View Tabs */
.view-tabs {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    gap: 10px;
    z-index: 100;
}

.tab-btn {
    padding: 8px 20px;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    color: var(--text-dim);
    font-weight: 600;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

.view-container {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.view-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.overlay-info {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 20px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    pointer-events: none;
    align-items: center;
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--input-bg);
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    pointer-events: auto;
}

.btn-icon {
    background: rgba(100, 255, 218, 0.05);
    color: var(--accent-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
    line-height: 1;
}

.btn-icon:hover {
    background: rgba(100, 255, 218, 0.2);
    transform: none;
    box-shadow: none;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

/* --- MODAL STYLES --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-color);
    border: 1px solid var(--accent-color);
    border-radius: 8px;
    padding: 25px;
    width: 400px;
    max-width: 90%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 15px rgba(100, 255, 218, 0.2);
}

/* Language Switcher */
.lang-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-dim);
    padding: 2px 6px;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.lang-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-color);
}

/* Project List Styles */
.project-item {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-dim);
    transition: background 0.2s;
}
.project-item:last-child {
    border-bottom: none;
}
.project-item:hover {
    background: rgba(100, 255, 218, 0.05);
}
.project-name {
    flex-grow: 1;
    cursor: pointer;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 10px;
}
.project-name:hover {
    color: var(--accent-color);
}
.project-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}
.btn-mini {
    background: rgba(255,255,255,0.1);
    border: none;
    color: #fff;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.7rem;
    cursor: pointer;
}
.btn-mini:hover {
    background: var(--accent-color);
    color: var(--bg-color);
}
.btn-mini.danger:hover {
    background: #ff6464;
    color: #fff;
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 1024px) {
    .sidebar {
        width: 320px;
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .sidebar {
        position: fixed !important;
        left: -100% !important;
        top: 0 !important;
        bottom: 0 !important;
        width: 85% !important;
        max-width: 350px !important;
        z-index: 1500 !important;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 10px 0 30px rgba(0,0,0,0.8);
        padding: 1.5rem;
        padding-top: 5rem; 
        flex-shrink: 0;
    }

    .sidebar.open {
        left: 0 !important;
    }

    .sidebar-resizer {
        display: none !important;
    }

    .view-tabs {
        padding-left: 70px !important;
        overflow-x: auto;
        white-space: nowrap;
        gap: 5px !important;
    }

    .view-tabs button {
        padding: 6px 12px !important;
        font-size: 0.8rem;
    }

    .status-bar {
        font-size: 0.7rem;
        padding: 0 10px;
        height: auto;
        min-height: 40px;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .control-group h3 {
        font-size: 0.85rem;
    }

    .btn-action, .btn-primary {
        min-height: 44px; /* Apple recommendation */
    }

    /* Modal adjustments */
    .modal-content {
        width: 95%;
        padding: 15px;
    }
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    z-index: 1400;
    backdrop-filter: blur(3px);
}

.sidebar-overlay.active {
    display: block;
}

/* Active preset button */
.btn-action.active-preset {
    background: rgba(129, 199, 132, 0.15);
    border-color: #81c784;
    color: #81c784;
}

/* Coupling info rows */
.coupling-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 0;
}
.coupling-value {
    color: #fff;
    font-weight: 600;
}
.coupling-ok   { color: #81c784; }
.coupling-warn { color: #ff6464; }
.coupling-title {
    color: var(--accent-color);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding-bottom: 4px;
}

/* --- AI GEAR ASSISTANT CHAT STYLING --- */
@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 183, 77, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(255, 183, 77, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 183, 77, 0); }
}

.mode-tab.active {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--accent-color);
    box-shadow: 0 0 8px rgba(164, 216, 255, 0.15);
}

.mode-tab:not(.active):hover {
    background: rgba(255, 255, 255, 0.03);
    color: var(--accent-color);
}

.ai-chat-log {
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.3);
}

.chat-bubble {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.5;
    max-width: 85%;
    word-wrap: break-word;
    animation: fadeInBubble 0.25s ease-out forwards;
}

@keyframes fadeInBubble {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-bubble-bot {
    background: rgba(16, 33, 65, 0.6);
    border: 1px solid rgba(164, 216, 255, 0.25);
    color: #ffffff;
    align-self: flex-start;
    border-top-left-radius: 2px;
}

.chat-bubble-user {
    background: linear-gradient(135deg, #00838f, #00b0ff);
    color: #ffffff;
    align-self: flex-end;
    border-top-right-radius: 2px;
    box-shadow: 0 4px 10px rgba(0, 176, 255, 0.2);
}

.chat-bubble-system {
    background: rgba(255, 183, 77, 0.1);
    border: 1px solid rgba(255, 183, 77, 0.3);
    color: #ffb74d;
    align-self: center;
    text-align: center;
    font-size: 0.8rem;
    border-radius: 8px;
    width: 95%;
}

.quick-reply-btn {
    background: rgba(164, 216, 255, 0.06);
    border: 1px solid rgba(164, 216, 255, 0.25);
    color: var(--accent-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-grow: 0;
}

.quick-reply-btn:hover {
    background: var(--accent-color);
    color: #112240;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(164, 216, 255, 0.2);
}

.typing-indicator {
    display: flex;
    gap: 4px;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    align-self: flex-start;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-color);
    border-radius: 50%;
    animation: typingBounce 1s infinite ease-in-out;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

/* Bilingual Toggling Classes */
body.lang-is-it .lang-en { display: none !important; }
body.lang-is-it .lang-it { display: block !important; }
body.lang-is-en .lang-it { display: none !important; }
body.lang-is-en .lang-en { display: block !important; }

/* User Guide / Manual Styling */
.guide-jump-btn {
    flex: none;
    padding: 4px 8px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    color: var(--text-dim);
    font-size: 0.7rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.guide-jump-btn:hover {
    background: rgba(164, 216, 255, 0.15);
    color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.guide-section {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.guide-section.active {
    border-color: var(--accent-color);
    box-shadow: 0 4px 15px rgba(164, 216, 255, 0.08);
}

.guide-header {
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    padding: 12px 14px;
    color: #fff;
    font-size: 0.85rem;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border-radius: 0;
}

.guide-header:hover {
    background: rgba(255,255,255,0.04);
    box-shadow: none;
    transform: none;
}

.guide-header .chevron {
    font-size: 0.7rem;
    color: var(--text-dim);
    transition: transform 0.3s ease;
}

.guide-section.active .guide-header .chevron {
    transform: rotate(180deg);
    color: var(--accent-color);
}

.guide-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: rgba(0, 0, 0, 0.1);
}

.guide-section.active .guide-content {
    max-height: 2000px;
    transition: max-height 0.5s ease-in;
}

.guide-inner-body {
    padding: 14px;
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--text-dim);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.guide-inner-body p {
    margin-bottom: 10px;
}

.guide-inner-body p:last-child {
    margin-bottom: 0;
}

.guide-inner-body ul, .guide-inner-body ol {
    margin-left: 18px;
    margin-bottom: 10px;
}

.guide-inner-body li {
    margin-bottom: 4px;
}

.guide-inner-body strong {
    color: #fff;
}

.guide-inner-body code {
    background: rgba(0,0,0,0.4);
    padding: 2px 5px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-color);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Tooltip Premium System */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%) scale(0.85);
    background: rgba(10, 25, 47, 0.96);
    color: #ffb74d; /* Colore arancione premium per l'accento */
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 500;
    white-space: normal; /* Permette il wrap automatico per frasi lunghe */
    width: max-content;
    max-width: 220px; /* Limite per tooltips eleganti */
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(164, 216, 255, 0.25);
    opacity: 0;
    pointer-events: none;
    transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    text-transform: none;
    line-height: 1.35;
    text-align: center;
}

[data-tooltip]::after {
    content: '';
    position: absolute;
    bottom: 113%;
    left: 50%;
    transform: translateX(-50%) scale(0.85);
    border-width: 6px;
    border-style: solid;
    border-color: rgba(10, 25, 47, 0.96) transparent transparent transparent;
    opacity: 0;
    pointer-events: none;
    transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* Sleek Left Floating Viewport Toolbar */
.viewport-toolbar {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 200;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    pointer-events: auto;
}

.btn-toolbar {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-dim);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    outline: none;
}

.btn-toolbar:hover, .btn-toolbar.active {
    background: rgba(164, 216, 255, 0.1);
    color: var(--accent-color);
    border-color: rgba(164, 216, 255, 0.2);
}

/* Sliding Panels (Strength Analysis, etc.) */
.sliding-panel {
    position: absolute;
    top: 70px;
    right: 20px;
    bottom: 60px;
    width: 350px;
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    z-index: 300;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
}

.sliding-panel-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(16, 33, 65, 0.5);
}

.sliding-panel-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: #fff;
    font-family: var(--font-main);
    font-weight: 600;
}

.close-panel-btn {
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
    outline: none;
}

.close-panel-btn:hover {
    color: #fff;
}

.sliding-panel-content {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.strength-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.strength-group label {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.strength-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.strength-input-wrap input {
    width: 100%;
    padding: 10px 12px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: #fff;
    border-radius: 6px;
    font-family: var(--font-mono);
    outline: none;
    transition: all 0.2s;
}

.strength-input-wrap input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 8px rgba(164, 216, 255, 0.2);
}

.strength-unit {
    position: absolute;
    right: 12px;
    color: var(--text-dim);
    font-size: 0.85rem;
    pointer-events: none;
}

details[open] summary span:first-child {
    transform: rotate(90deg);
}

/* ==========================================================================
   ONLINE ORDER (WooCommerce) - button + modal
   ========================================================================== */
.order-btn {
    width: 100%;
    margin-bottom: 8px;
    padding: 12px;
    border-color: #4ade80 !important;
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.22), rgba(34, 197, 94, 0.12)) !important;
    color: #bbf7d0 !important;
    font-weight: 700;
    letter-spacing: 0.01em;
    box-shadow: 0 0 14px rgba(74, 222, 128, 0.18);
}
.order-btn:hover { box-shadow: 0 0 22px rgba(74, 222, 128, 0.35); }

.order-modal[hidden] { display: none; }
.order-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(2, 8, 20, 0.72);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}
.order-card {
    position: relative;
    width: min(460px, 100%);
    max-height: 100%;
    overflow-y: auto;
    padding: 28px 26px 24px;
    border-radius: 20px;
    background: #0f2342;
    border: 1px solid rgba(164, 216, 255, 0.22);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
    color: #e6f1ff;
}
.order-card h2 { margin: 0 28px 6px 0; font-size: 1.25rem; line-height: 1.25; }
.order-sub { margin: 0 0 18px; font-size: 0.85rem; opacity: 0.75; }
.order-close {
    position: absolute; top: 12px; right: 14px;
    width: 32px; height: 32px;
    border: 0; border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: #fff; font-size: 1.3rem; line-height: 1; cursor: pointer;
}
.order-close:hover { background: rgba(255, 255, 255, 0.18); }
.order-specs {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
    margin: 0 0 18px;
}
.order-specs div { padding: 10px; border-radius: 12px; background: rgba(0, 0, 0, 0.25); text-align: center; }
.order-specs dt { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.6; }
.order-specs dd { margin: 4px 0 0; font-size: 0.82rem; font-weight: 600; font-family: 'JetBrains Mono', monospace; }
.order-fields { display: grid; gap: 12px; margin-bottom: 18px; }
.order-fields label { display: grid; gap: 6px; font-size: 0.8rem; opacity: 0.95; }
.order-fields select, .order-fields input {
    width: 100%; padding: 10px 12px;
    border-radius: 10px; border: 1px solid rgba(164, 216, 255, 0.25);
    background: rgba(0, 0, 0, 0.3); color: #fff; font-size: 0.9rem;
}
.order-fields select:focus, .order-fields input:focus { outline: 2px solid #4ade80; outline-offset: 1px; }
.order-price { display: grid; gap: 6px; margin-bottom: 12px; padding: 14px; border-radius: 14px; background: rgba(74, 222, 128, 0.08); border: 1px solid rgba(74, 222, 128, 0.25); }
.order-price div { display: flex; justify-content: space-between; align-items: baseline; font-size: 0.85rem; }
.order-total strong { font-size: 1.4rem; color: #86efac; }
.order-note { margin: 0 0 14px; font-size: 0.72rem; line-height: 1.45; opacity: 0.6; }
.order-error { margin: 0 0 12px; padding: 10px 12px; border-radius: 10px; background: rgba(248, 113, 113, 0.15); color: #fecaca; font-size: 0.82rem; }
.order-error[hidden] { display: none; }
.order-submit {
    width: 100%; padding: 14px; border: 0; border-radius: 12px;
    background: linear-gradient(135deg, #4ade80, #22c55e); color: #052e16;
    font-size: 1rem; font-weight: 800; cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.order-submit:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(34, 197, 94, 0.4); }
.order-submit:disabled { opacity: 0.6; cursor: wait; }
@media (prefers-reduced-motion: reduce) { .order-submit { transition: none; } }