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

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: #f5f7fa;
    color: #1e4b69;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px 20px;
}

h1 {
    text-align: center;
    color: #1e4b69;
    font-size: 1.6rem;
    margin-bottom: 4px;
}

.subtitle {
    text-align: center;
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.components-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.component {
    background: #fff;
    border-radius: 10px;
    border: 2px solid #e5e7eb;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.component:hover {
    box-shadow: 0 4px 12px rgba(30, 75, 105, 0.1);
}

.component.active {
    box-shadow: 0 4px 16px rgba(30, 75, 105, 0.15);
}

.component[data-component="context"] { border-left: 5px solid #3b82f6; }
.component[data-component="role"] { border-left: 5px solid #22c55e; }
.component[data-component="task"] { border-left: 5px solid #f59e0b; }
.component[data-component="format"] { border-left: 5px solid #7c3aed; }
.component[data-component="constraints"] { border-left: 5px solid #ef4444; }

.component-header {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    gap: 12px;
}

.component-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    flex-shrink: 0;
}

.component[data-component="context"] .component-icon { background: #3b82f6; }
.component[data-component="role"] .component-icon { background: #22c55e; }
.component[data-component="task"] .component-icon { background: #f59e0b; }
.component[data-component="format"] .component-icon { background: #7c3aed; }
.component[data-component="constraints"] .component-icon { background: #ef4444; }

.component-title {
    flex: 1;
}

.component-title h3 {
    font-size: 1rem;
    color: #1e4b69;
    margin-bottom: 2px;
}

.component-desc {
    font-size: 0.8rem;
    color: #6b7280;
}

.toggle-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: #fee2e2;
    color: #dc2626;
    transition: all 0.3s;
    flex-shrink: 0;
}

.toggle-badge.strong {
    background: #dcfce7;
    color: #16a34a;
}

.component-body {
    padding: 0 16px 14px 16px;
}

.example {
    padding: 12px 14px;
    border-radius: 8px;
    display: none;
    animation: fadeIn 0.3s ease;
}

.example.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.weak-example {
    background: #fef2f2;
    border: 1px solid #fecaca;
}

.strong-example {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
}

.example-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.weak-example .example-label { color: #dc2626; }
.strong-example .example-label { color: #16a34a; }

.example p {
    font-size: 0.88rem;
    line-height: 1.5;
    color: #374151;
}

.combined-prompt {
    background: #fff;
    border-radius: 10px;
    border: 2px solid #1e4b69;
    padding: 18px;
}

.combined-prompt h3 {
    font-size: 1rem;
    color: #1e4b69;
    margin-bottom: 12px;
}

.prompt-output {
    background: #f0f4f8;
    border-radius: 8px;
    padding: 14px;
    min-height: 60px;
    font-size: 0.88rem;
    line-height: 1.6;
    color: #374151;
}

.prompt-output .placeholder {
    color: #9ca3af;
    font-style: italic;
}

.prompt-output .prompt-segment {
    display: inline;
}

.prompt-output .prompt-segment[data-type="context"] { color: #3b82f6; }
.prompt-output .prompt-segment[data-type="role"] { color: #22c55e; }
.prompt-output .prompt-segment[data-type="task"] { color: #f59e0b; }
.prompt-output .prompt-segment[data-type="format"] { color: #7c3aed; }
.prompt-output .prompt-segment[data-type="constraints"] { color: #ef4444; }

.prompt-counter {
    text-align: right;
    font-size: 0.8rem;
    color: #6b7280;
    margin-top: 8px;
}

@media (max-width: 600px) {
    .container {
        padding: 16px 12px;
    }

    h1 {
        font-size: 1.3rem;
    }

    .component-header {
        padding: 10px 12px;
    }

    .component-icon {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
}