:root {
    --primary: #FF6B00;
    --bg: #f4f4f9;
    --card-bg: #ffffff;
    --text: #333333;
}

* {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 440px;
}

.screen {
    display: none;
}

.screen.active {
    display: block;
}

h1 {
    text-align: center;
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 20px;
}

.app-version {
    margin: -14px 0 14px;
    text-align: center;
    color: #777;
    font-size: 12px;
}

h2 {
    font-size: 20px;
}

.card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.menu-card {
    display: grid;
    gap: 12px;
}

.menu-btn {
    color: var(--primary);
    background-color: var(--bg);
    border: 1px solid var(--primary);
    text-align: left;
    line-height: 1.35;
}

.menu-btn:active {
        color: var(--card-bg);
}

.back-btn {
    margin-bottom: 12px;
    background: #ffffff;
    color: var(--primary);
    border: 1px solid #ffd7bd;
}

.back-btn:active {
    color: var(--bg);
}

.input-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    font-size: 14px;
    color: #555;
}

input, select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 16px;
}

input[type="checkbox"] {
    accent-color: var(--primary);
    transform: scale(1.5);
    transform-origin: center;
}

button {
    width: 100%;
    padding: 14px;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
}

button:active {
    background-color: #d85a00;
}

.result-card p {
    margin: 10px 0;
    font-size: 16px;
    display: flex;
    justify-content: space-between;
    gap: 8px;
}

.result-card p strong {
    white-space: nowrap;
    flex-shrink: 0;
    text-align: right;
}

.result-card-animate {
    animation: resultCardReveal 0.35s ease-out;
}

@keyframes resultCardReveal {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.highlight {
    color: var(--primary);
    font-size: 16px;
}

hr {
    border: none;
    border-top: 1px solid #eee;
    margin: 15px 0;
}

.hint {
    margin-top: 0;
    color: #666;
    font-size: 14px;
}

.room-block {
    border: 1px solid #ececec;
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 12px;
}

.room-title {
    margin: 0 0 10px 0;
    font-size: 17px;
}

.room-toggle {
    margin-top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    color: var(--text);
    border: none;
    padding: 0;
    font-size: 17px;
}

.room-arrow {
    font-size: 20px;
    color: #666;
}

.room-content {
    margin-top: 10px;
}

.consumer-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    align-items: center;
    border-top: 1px dashed #eee;
    padding: 8px 0;
}

.consumer-row.selectable {
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
    border-radius: 8px;
    padding: 8px;
}

.consumer-row.selectable.selected {
    background: #fff4ea;
    border-color: #ffd1b0;
}

.consumer-row:first-of-type {
    border-top: none;
}

.consumer-meta {
    font-size: 13px;
    color: #666;
}

.consumer-name-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.priority-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.priority-dot.must {
    background: #2fa84f;
}

.priority-dot.optional {
    background: #f1c40f;
}

.selected-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 8px;
    align-items: center;
    border-top: 1px dashed #eee;
    padding: 8px 0;
}

.selected-row:first-of-type {
    border-top: none;
    padding-top: 0;
}

.selected-power-input {
    width: 96px;
    text-align: center;
    padding: 8px;
}

.remove-selected-btn {
    width: auto;
    margin-top: 0;
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 16px;
    line-height: 1;
}

.line-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.line-table {
    width: 100%;
    min-width: 620px;
    border-collapse: collapse;
    font-size: 14px;
}

.line-table th,
.line-table td {
    padding: 10px 8px;
    border-top: 1px dashed #eee;
}

.line-table thead th {
    border-top: none;
    border-bottom: 1px solid #eee;
    font-size: 12px;
    font-weight: 700;
    color: #666;
    text-transform: uppercase;
}

.line-table th:first-child,
.line-table td:first-child {
    position: sticky;
    left: 0;
    background: var(--card-bg);
    z-index: 1;
    width: 140px;
    min-width: 140px;
    max-width: 140px;
    white-space: normal;
    word-break: normal;
    overflow-wrap: normal;
    hyphens: auto;
    line-height: 1.25;
}

.line-table thead th:first-child {
    z-index: 2;
}

.line-table th:not(:first-child),
.line-table td:not(:first-child) {
    text-align: right;
    white-space: nowrap;
}

.line-length-input {
    width: 70px;
    padding: 6px 8px;
    text-align: right;
}

.materials-list {
    margin: 0;
    padding-left: 18px;
}

.materials-list li {
    margin: 8px 0;
    line-height: 1.35;
}

.materials-list li.materials-group-title {
    list-style: none;
    margin: 12px 0 6px;
    padding-top: 6px;
    border-top: 1px dashed #eee;
    font-weight: 700;
    color: #555;
}

.module-add-grid {
    display: grid;
    grid-template-columns: 1fr 120px;
    gap: 8px;
}

.shield-line-btn {
    margin-top: 8px;
}

.equipment-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    table-layout: fixed;
}

.equipment-table th,
.equipment-table td {
    padding: 10px 8px;
    border-top: 1px dashed #eee;
}

.equipment-table thead th {
    border-top: none;
    border-bottom: 1px solid #eee;
    font-size: 12px;
    font-weight: 700;
    color: #666;
    text-transform: uppercase;
}

.equipment-table th:first-child,
.equipment-table td:first-child {
    text-align: left;
    width: 72%;
    white-space: normal;
    overflow-wrap: anywhere;
}

.equipment-table th:last-child,
.equipment-table td:last-child {
    text-align: right;
    width: 28%;
    min-width: 92px;
    white-space: nowrap;
}