/* ========== Six Thinking Hats Visualization Styles ========== */

/* ========== CSS Variables ========== */
:root {
    --white-hat: #FFFFFF;
    --red-hat: #E74C3C;
    --black-hat: #2C3E50;
    --yellow-hat: #F1C40F;
    --green-hat: #27AE60;
    --blue-hat: #3498DB;

    --bg-color: #ecf0f1;
    --card-bg: #ffffff;
    --text-color: #34495e;
    --border-color: #bdc3c7;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* ========== Global Reset ========== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ========== Container ========== */
.hats-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* ========== Header ========== */
.hats-container header {
    text-align: center;
    margin-bottom: 30px;
}

.hats-container h1 {
    font-size: 2.5rem;
    color: var(--black-hat);
    margin-bottom: 10px;
}

.hats-container .subtitle {
    font-size: 1.2rem;
    color: #7f8c8d;
}

/* ========== Main Layout ========== */
.hats-container .main-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 20px;
    margin-bottom: 40px;
}

@media (max-width: 1024px) {
    .hats-container .main-layout {
        grid-template-columns: 1fr;
    }
}

/* ========== Canvas Section ========== */
.hats-container .canvas-section {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.hats-container .canvas-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.hats-container #hatsCanvas {
    width: 100%;
    max-width: 900px;
    height: auto;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    cursor: pointer;
}

/* ========== Mode Controls ========== */
.hats-container .mode-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.hats-container .control-row {
    display: flex;
    flex-direction: column;
}

.hats-container .control-row label {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--black-hat);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hats-container .control-row select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: #fff;
    font-size: 0.95rem;
    cursor: pointer;
    transition: border-color 0.2s;
}

.hats-container .control-row select:hover {
    border-color: var(--blue-hat);
}

.hats-container .control-row select:focus {
    outline: none;
    border-color: var(--blue-hat);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* ========== Button Group ========== */
.hats-container .button-group {
    display: flex;
    gap: 10px;
    grid-column: 1 / -1;
    margin-top: 10px;
}

.hats-container .btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hats-container .btn-primary {
    background: var(--blue-hat);
    color: #fff;
}

.hats-container .btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.hats-container .btn-secondary {
    background: var(--green-hat);
    color: #fff;
}

.hats-container .btn-secondary:hover {
    background: #229954;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.hats-container .btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
    margin-top: 10px;
    width: 100%;
}

.hats-container .btn:active {
    transform: translateY(0);
}

/* ========== Side Panel ========== */
.hats-container .side-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hats-container .panel-section {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.hats-container .panel-section h3 {
    color: var(--black-hat);
    margin-bottom: 10px;
    font-size: 1.2rem;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 8px;
}

.hats-container .panel-description {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin-bottom: 15px;
}

/* ========== Hat Info Display ========== */
.hats-container .hat-info {
    font-size: 0.95rem;
    line-height: 1.8;
}

.hats-container .hat-name {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hats-container .hat-color-indicator {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid #ddd;
}

.hats-container .hat-description {
    margin-bottom: 15px;
}

/* ========== Detail Rows ========== */
.hats-container .detail-row {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ecf0f1;
}

.hats-container .detail-row:last-child {
    border-bottom: none;
}

.hats-container .detail-row span:first-child {
    font-weight: 600;
    color: var(--black-hat);
    margin-bottom: 5px;
}

.hats-container .detail-value {
    color: var(--text-color);
    line-height: 1.6;
}

/* ========== Progress Bar ========== */
.hats-container .progress-bar {
    width: 100%;
    height: 20px;
    background: #ecf0f1;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 15px;
}

.hats-container .progress-fill {
    height: 100%;
    background: linear-gradient(90deg,
        var(--white-hat) 0%,
        var(--red-hat) 20%,
        var(--black-hat) 40%,
        var(--yellow-hat) 60%,
        var(--green-hat) 80%,
        var(--blue-hat) 100%);
    width: 0%;
    transition: width 0.5s ease;
}

.hats-container .progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.hats-container .progress-info span:first-child {
    font-weight: 600;
    color: var(--black-hat);
}

/* ========== Practice Section ========== */
.hats-container #scenarioSelect {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 15px;
}

.hats-container .scenario-content {
    margin-top: 15px;
    line-height: 1.8;
}

.hats-container .scenario-question {
    background: #f8f9fa;
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 4px;
    border-left: 4px solid var(--green-hat);
}

/* ========== Educational Content ========== */
.hats-container .educational-content {
    display: grid;
    gap: 20px;
}

.hats-container .edu-section {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.hats-container .edu-section h3 {
    color: var(--black-hat);
    margin-bottom: 15px;
    font-size: 1.4rem;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 10px;
}

.hats-container .edu-section p {
    margin-bottom: 12px;
    color: var(--text-color);
    line-height: 1.8;
}

.hats-container .edu-section ul {
    margin-left: 25px;
    margin-top: 10px;
}

.hats-container .edu-section li {
    margin-bottom: 10px;
    line-height: 1.8;
}

.hats-container .edu-section strong {
    color: var(--black-hat);
}

.hats-container .formula-box {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 6px;
    margin-top: 15px;
}

.hats-container .formula {
    font-family: 'Times New Roman', Times, serif;
    font-size: 1.2rem;
    padding: 10px 0;
    text-align: center;
}

.hats-container .contrast-row {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.hats-container .traditional {
    color: var(--red-hat);
    font-weight: bold;
}

.hats-container .parallel {
    color: var(--green-hat);
    font-weight: bold;
}

.hats-container .vs {
    color: var(--black-hat);
    font-weight: bold;
}

/* ========== Sequence List ========== */
.hats-container .sequence-list {
    margin-top: 15px;
}

.hats-container .sequence-item {
    background: #f8f9fa;
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.hats-container .sequence-item strong {
    min-width: 120px;
}

.hats-container .sequence-hats {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.hats-container .sequence-hats span {
    background: var(--blue-hat);
    color: white;
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.85rem;
}

/* ========== Case Studies ========== */
.hats-container .case-studies {
    display: grid;
    gap: 15px;
}

.hats-container .case-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 6px;
    border-left: 4px solid var(--blue-hat);
}

.hats-container .case-item h4 {
    color: var(--black-hat);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

/* ========== Comparison Table ========== */
.hats-container .comparison-table {
    overflow-x: auto;
    margin-top: 15px;
}

.hats-container .comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

.hats-container .comparison-table th {
    background: var(--black-hat);
    color: #fff;
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.hats-container .comparison-table td {
    padding: 12px;
    border-bottom: 1px solid #ecf0f1;
}

.hats-container .comparison-table tr:hover {
    background: #f8f9fa;
}

.hats-container .color-dot {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    vertical-align: middle;
}

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    .hats-container h1 {
        font-size: 2rem;
    }

    .hats-container .subtitle {
        font-size: 1rem;
    }

    .hats-container .mode-controls {
        grid-template-columns: 1fr;
    }

    .hats-container .button-group {
        flex-direction: column;
    }

    .hats-container #hatsCanvas {
        max-width: 100%;
    }

    .hats-container .contrast-row {
        flex-direction: column;
    }

    .hats-container .comparison-table {
        font-size: 0.85rem;
    }

    .hats-container .comparison-table th,
    .hats-container .comparison-table td {
        padding: 8px;
    }
}

/* ========== Accessibility ========== */
.hats-container .btn:focus,
.hats-container input:focus,
.hats-container select:focus {
    outline: 2px solid var(--blue-hat);
    outline-offset: 2px;
}

/* ========== Animations ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hats-container .panel-section {
    animation: fadeIn 0.3s ease;
}

.hats-container .edu-section {
    animation: fadeIn 0.3s ease;
}

/* ========== Print Styles ========== */
@media print {
    .hats-container .mode-controls,
    .hats-container .side-panel,
    .hats-container .button-group {
        display: none;
    }

    .hats-container .main-layout {
        grid-template-columns: 1fr;
    }
}