/* styles.css */
:root {
    --bg-color: #1e1e1e;
    --panel-bg: #2d2d30;
    --text-color: #ffffff;
    --accent-color: #007acc;
    --border-color: #3e3e42;
    --success-color: #2d7d2d;
    --error-color: #d13434;
    --warning-color: #ff6d00;
}

[data-theme="light"] {
    --bg-color: #f5f5f5;
    --panel-bg: #ffffff;
    --text-color: #333333;
    --border-color: #dddddd;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    transition: all 0.3s ease;
}

.container {
    display: grid;
    grid-template-columns: 320px 1fr 320px;
    grid-template-rows: auto 1fr auto;
    height: 100vh;
    gap: 12px;
    padding: 12px;
}

header {
    grid-column: 1 / 4;
    background-color: var(--panel-bg);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
}

.left-panel, .right-panel {
    background-color: var(--panel-bg);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow-y: auto;
}

.main-content {
    background-color: var(--panel-bg);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.graph-container {
    flex-grow: 1;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 12px;
    position: relative;
    overflow: hidden;
    min-height: 400px;
}

.controls {
    display: flex;
    gap: 10px;
    padding: 12px 0;
    flex-wrap: wrap;
    align-items: center;
    border-top: 1px solid var(--border-color);
}

button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #005a9e;
}

button:disabled {
    background-color: #666;
    cursor: not-allowed;
}

.matrix-table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 14px;
}

.matrix-table th, .matrix-table td {
    border: 1px solid var(--border-color);
    padding: 6px;
    text-align: center;
}

.matrix-table th {
    background-color: rgba(0, 122, 204, 0.1);
}

.property-indicator {
    padding: 8px 12px;
    margin: 6px 0;
    border-radius: 4px;
    background-color: var(--panel-bg);
    border-left: 4px solid #666;
}

.valid {
    border-left-color: var(--success-color);
}

.invalid {
    border-left-color: var(--error-color);
}

.warning {
    border-left-color: var(--warning-color);
}

.state-node {
    position: absolute;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: #68217a;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    border: 3px solid #ffffff;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: all 0.2s;
}

.state-node:hover {
    transform: scale(1.05);
}

.state-node.initial {
    background-color: var(--success-color);
}

.state-node.final {
    background-color: var(--error-color);
}

.state-node.current {
    border-color: #ffeb3b;
    box-shadow: 0 0 15px #ffeb3b;
}

.transition-arrow {
    position: absolute;
    z-index: 5;
}

.arrow-line {
    position: absolute;
    background-color: #cccccc;
    height: 3px;
    transform-origin: 0 0;
}

.arrow-head {
    position: absolute;
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-top: 12px solid #cccccc;
}

.probability-label {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.8);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
    z-index: 15;
    color: white;
    border: 1px solid #666;
}

.probability-input {
    width: 60px;
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 4px;
    text-align: center;
}

footer {
    grid-column: 1 / 4;
    background-color: var(--panel-bg);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.section {
    margin-bottom: 20px;
}

.section-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
    padding-bottom: 5px;
    border-bottom: 2px solid var(--accent-color);
}

.input-group {
    margin-bottom: 10px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
}

.stats-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 10px 0;
}

.stat-item {
    background-color: var(--bg-color);
    padding: 8px;
    border-radius: 4px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.histogram-container {
    height: 150px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-top: 10px;
    padding: 10px;
    display: flex;
    align-items: end;
    gap: 5px;
}

.histogram-bar {
    flex: 1;
    background-color: var(--accent-color);
    border-radius: 2px 2px 0 0;
    transition: height 0.3s;
}

.theme-toggle {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.validation-error {
    color: var(--error-color);
    font-size: 12px;
    margin-top: 5px;
}

/* Модальное окно для матриц */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
}

.modal-content {
    background-color: var(--panel-bg);
    margin: 5% auto;
    padding: 20px;
    border-radius: 8px;
    width: 80%;
    max-width: 900px;
    max-height: 80vh;
    overflow-y: auto;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--text-color);
}

.matrix-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.matrix-tab {
    padding: 10px 20px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

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

.matrix-container {
    display: none;
}

.matrix-container.active {
    display: block;
}

.matrices-button {
    background-color: #68217a;
    margin-left: auto;
}

.matrices-button:hover {
    background-color: #5a1c68;
}

/* Стили для симуляции */
.simulation-controls {
    padding: 15px;
    background: var(--panel-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.control-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.control-btn {
    padding: 8px 16px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.control-btn:hover:not(:disabled) {
    background: var(--accent-hover);
}

.control-btn:disabled {
    background: var(--disabled-color);
    cursor: not-allowed;
    opacity: 0.6;
}

.control-label {
    font-weight: 500;
    color: var(--text-color);
}

.control-slider {
    flex: 1;
    min-width: 100px;
}

.control-value {
    min-width: 30px;
    text-align: center;
    font-weight: bold;
}

.control-input {
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--input-bg);
    color: var(--text-color);
}

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

.validation-message {
    font-size: 12px;
    margin-top: 5px;
    padding: 4px 8px;
    border-radius: 4px;
}

.validation-message.valid {
    background: #e8f5e8;
    color: #2e7d32;
    border: 1px solid #4caf50;
}

.validation-message.error {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #f44336;
}

.simulation-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 15px;
    padding: 10px;
    background: var(--bg-color);
    border-radius: 4px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.info-item span:first-child {
    font-weight: 500;
}

.info-item span:last-child {
    font-weight: bold;
}

/* Статусы симуляции */
.status-running { color: #00bcd4; font-weight: bold; }
.status-paused { color: #ff9800; font-weight: bold; }
.status-completed { color: #4caf50; font-weight: bold; }
.status-error { color: #f44336; font-weight: bold; }
.status-idle { color: var(--text-secondary); }

.status-accepted { color: #4caf50; font-weight: bold; }
.status-rejected { color: #f44336; font-weight: bold; }

/* Усиливаем подсветку состояний */
.state-highlight-from {
    filter: drop-shadow(0 0 10px #2196f3) brightness(1.2);
}

.state-highlight-to {
    filter: drop-shadow(0 0 15px #2196f3) brightness(1.3);
}

.state-highlight-final {
    filter: drop-shadow(0 0 12px #ff9800) brightness(1.2);
}

/* Контейнер для гистограммы */
#histogram,
.histogram-container {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    height: 150px;
    background: var(--panel-bg, #f5f5f5);
    padding: 10px;
    border-radius: 8px;
    overflow-x: auto;
}

/* Отдельный столбик */
.histogram-bar {
    background-color: var(--accent-color, #4e79a7);
    width: 20px;
    margin: 0 4px;
    border-radius: 4px 4px 0 0;
    transition: height 0.3s;
}