:root {
    --primary-color: #0d6efd;
    --dark-blue: #002244;
    --bg-color: #f8f9fa;
    --surface-color: #ffffff;
    --text-color: #212529;
    --subtle-text-color: #6c757d;
    --border-color: #dee2e6;
    --shadow-color: rgba(0, 0, 0, 0.075);
    
    --strengths-color: #198754;
    --weaknesses-color: #dc3545;
    --opportunities-color: #ffc107;
    --threats-color: #6f42c1;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* --- Header --- */
.main-header {
    background-color: var(--surface-color);
    padding: 15px 5%;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px var(--shadow-color);
    border-bottom: 1px solid var(--border-color);
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}
.logo { height: 50px; width: auto; }
.main-nav {
    display: flex;
    gap: 30px;
}
.main-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s;
}
.main-nav a:hover {
    color: var(--primary-color);
}
.ai-generator-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
}

/* --- Tool Page Layout --- */
.tool-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
}
.tool-header {
    text-align: center;
    margin-bottom: 40px;
}
.tool-header h1 {
    font-size: 2.5rem;
    color: var(--dark-blue);
    margin-bottom: 10px;
}
.tool-header p {
    color: var(--subtle-text-color);
    font-size: 1.1rem;
}
.topic-input-area {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}
#topic-input {
    width: 100%;
    max-width: 500px;
    padding: 14px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 16px;
}
#generate-analysis-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}
.tool-switcher {
    display: inline-flex;
    background-color: #e9ecef;
    border-radius: 8px;
    padding: 5px;
    margin-top: 30px;
}
.tool-tab {
    padding: 10px 25px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    color: var(--subtle-text-color);
    border-radius: 6px;
    transition: all 0.3s ease;
}
.tool-tab.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 10px rgba(13, 110, 253, 0.3);
}
.analysis-panel.hidden {
    display: none;
}

/* --- SWOT & PESTLE Grids --- */
.analysis-grid {
    display: grid;
    gap: 20px;
}
.swot-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
}
.pestle-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.porters-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.grid-item {
    background-color: var(--surface-color);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px var(--shadow-color);
    border-top: 4px solid;
}
.grid-item h2 {
    margin-top: 0;
    font-size: 1.2rem;
    text-align: left;
}
.grid-item ul {
    list-style: none;
    padding: 0;
    text-align: left;
}
.grid-item li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}
.grid-item li:last-child {
    border-bottom: none;
}

/* --- Loading Spinner & Error --- */
.loading-spinner {
    border: 6px solid var(--border-color);
    border-top: 6px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 40px auto;
}
.hidden {
    display: none;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.error-text {
    color: #dc3545;
    font-weight: 600;
    text-align: center;
}

/* --- Color Coding --- */
.strengths { border-color: var(--strengths-color); }
.weaknesses { border-color: var(--weaknesses-color); }
.opportunities { border-color: var(--opportunities-color); }
.threats { border-color: var(--threats-color); }
.political { border-color: #6f42c1; }
.economic { border-color: #198754; }
.social { border-color: #ffc107; }
.technological { border-color: #0dcaf0; }
.legal { border-color: #dc3545; }
.environmental { border-color: #20c997; }

/* --- Download Button --- */
.download-area {
    text-align: center;
    margin-top: 40px;
}
#download-btn {
    background-color: var(--strengths-color);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}
#download-btn:hover {
    background-color: #157347;
    transform: translateY(-2px);
}
#download-btn.hidden {
    display: none;
}

/* --- Watermark --- */
#watermark {
    position: absolute;
    bottom: 20px;
    right: 20px;
    opacity: 0.15;
    pointer-events: none;
    z-index: 10;
}
#watermark img {
    width: 100px;
}

/* --- Footer --- */
.main-footer {
    text-align: center;
    padding: 40px 20px 20px;
    color: var(--subtle-text-color);
    border-top: 1px solid var(--border-color);
    margin-top: 60px;
}
.main-footer .footer-links { margin-bottom: 15px; }
.main-footer .footer-links a { color: var(--subtle-text-color); text-decoration: none; margin: 0 10px; transition: color 0.3s; }
.main-footer .footer-links a:hover { color: var(--primary-color); }