/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: rgb(33, 33, 33);
    background: linear-gradient(135deg, rgb(240, 248, 255) 0%, rgb(255, 250, 240) 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== DISCLAIMER BANNER ===== */
.disclaimer-banner {
    background: linear-gradient(90deg, rgb(255, 193, 7) 0%, rgb(255, 152, 0) 100%);
    color: rgb(33, 33, 33);
    padding: 15px 20px;
    text-align: center;
    font-weight: bold;
    border-bottom: 3px solid rgb(255, 111, 0);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.disclaimer-banner p {
    margin: 0;
    font-size: 14px;
}

/* ===== HEADER ===== */
.header {
    background: linear-gradient(135deg, rgb(135, 206, 235) 0%, rgb(176, 224, 230) 50%, rgb(255, 182, 193) 100%);
    color: rgb(33, 33, 33);
    padding: 50px 20px;
    text-align: center;
    border-bottom: 4px solid rgb(255, 105, 180);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.header h1 {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 10px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.header .subtitle {
    font-size: 18px;
    color: rgb(50, 50, 50);
    font-weight: 600;
}

/* ===== NAVIGATION ===== */
.navbar {
    background: linear-gradient(90deg, rgb(144, 238, 144) 0%, rgb(173, 255, 47) 50%, rgb(135, 206, 235) 100%);
    padding: 15px 20px;
    border-bottom: 3px solid rgb(34, 139, 34);
    position: sticky;
    top: 45px;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    align-items: center;
}

.nav-btn {
    background: white;
    color: rgb(33, 33, 33);
    border: 2px solid rgb(135, 206, 235);
    padding: 10px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.3s ease;
}

.nav-btn:hover,
.nav-btn.active {
    background: rgb(135, 206, 235);
    color: white;
    transform: scale(1.05);
}

.print-btn {
    background: linear-gradient(90deg, rgb(255, 182, 193) 0%, rgb(255, 105, 180) 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    font-size: 13px;
    transition: all 0.3s ease;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

.print-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 12px rgba(0, 0, 0, 0.2);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    padding: 40px 20px;
    min-height: calc(100vh - 200px);
}

.section {
    display: none;
    animation: fadeIn 0.5s ease-in;
}

.section.active {
    display: block;
}

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

/* ===== CONTENT SECTIONS ===== */
.content-section {
    margin-bottom: 40px;
}

.content-section h2 {
    font-size: 32px;
    color: rgb(25, 118, 210);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 4px solid rgb(255, 105, 180);
    font-weight: bold;
}

.content-section h3 {
    font-size: 22px;
    color: rgb(34, 139, 34);
    margin: 20px 0 15px 0;
    font-weight: bold;
}

/* ===== CARDS ===== */
.card {
    background: white;
    border-left: 6px solid rgb(135, 206, 235);
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    transform: translateY(-3px);
}

.card ul {
    list-style-position: inside;
    margin: 15px 0;
}

.card li {
    margin: 10px 0;
    padding-left: 10px;
    font-weight: 600;
}

.card li:before {
    content: "▸ ";
    color: rgb(255, 105, 180);
    font-weight: bold;
}

.card p {
    margin: 15px 0;
    font-weight: 600;
}

/* ===== HIGHLIGHT BOXES ===== */
.highlight-box {
    background: linear-gradient(90deg, rgb(240, 255, 240) 0%, rgb(255, 250, 250) 100%);
    border-left: 5px solid rgb(255, 152, 0);
    padding: 15px;
    margin: 15px 0;
    border-radius: 6px;
    font-weight: bold;
}

/* ===== COMPARISON GRID ===== */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.comparison-card {
    border-left: 6px solid rgb(255, 105, 180);
}

.comparison-card h3 {
    color: rgb(220, 20, 60);
}

.spec {
    background: rgb(255, 250, 240);
    padding: 12px;
    border-radius: 6px;
    margin: 10px 0;
    font-weight: 600;
    color: rgb(33, 33, 33);
}

/* ===== TABLE ===== */
.table-container {
    overflow-x: auto;
    margin: 25px 0;
}

.summary-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.summary-table thead {
    background: linear-gradient(90deg, rgb(135, 206, 235) 0%, rgb(144, 238, 144) 100%);
    color: white;
}

.summary-table th {
    padding: 18px;
    text-align: left;
    font-weight: bold;
    border-right: 2px solid rgb(100, 149, 237);
}

.summary-table th:last-child {
    border-right: none;
}

.summary-table td {
    padding: 15px 18px;
    border-bottom: 2px solid rgb(220, 220, 220);
    font-weight: 600;
}

.summary-table tbody tr:hover {
    background: rgb(240, 248, 255);
}

.summary-table tbody tr:last-child td {
    border-bottom: none;
}

/* ===== KEY POINTS ===== */
.key-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
    margin: 25px 0;
}

.key-point {
    background: linear-gradient(90deg, rgb(255, 182, 193) 0%, rgb(255, 240, 245) 100%);
    padding: 15px;
    border-radius: 8px;
    border-left: 5px solid rgb(255, 105, 180);
    font-weight: bold;
    color: rgb(33, 33, 33);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

/* ===== FLOWCHART STYLES ===== */
.flowchart-container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    margin: 20px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
}

.flowchart-node {
    display: inline-block;
    padding: 15px 25px;
    margin: 10px;
    border-radius: 8px;
    font-weight: bold;
    text-align: center;
    min-width: 150px;
}

.flowchart-start {
    background: rgb(144, 238, 144);
    border: 3px solid rgb(34, 139, 34);
}

.flowchart-decision {
    background: rgb(255, 182, 193);
    border: 3px solid rgb(220, 20, 60);
}

.flowchart-process {
    background: rgb(173, 216, 230);
    border: 2px solid rgb(30, 144, 255);
}

.flowchart-end {
    background: rgb(255, 215, 0);
    border: 3px solid rgb(184, 134, 11);
}

/* ===== MIND MAP STYLES ===== */
.mindmap-container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    margin: 20px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.mindmap-center {
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    color: white;
    background: rgb(255, 105, 180);
    padding: 20px;
    border-radius: 50%;
    width: 150px;
    height: 150px;
    line-height: 1.5;
    margin: 30px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.mindmap-branches {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.mindmap-branch {
    background: linear-gradient(135deg, rgb(173, 216, 230) 0%, rgb(144, 238, 144) 100%);
    padding: 20px;
    border-radius: 10px;
    border-left: 5px solid rgb(255, 105, 180);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.mindmap-branch h4 {
    color: rgb(25, 118, 210);
    margin-bottom: 15px;
    font-weight: bold;
    font-size: 16px;
}

.mindmap-subbranch {
    background: white;
    padding: 10px;
    margin: 8px 0;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    border-left: 3px solid rgb(34, 139, 34);
}

/* ===== ROADMAP STYLES ===== */
.roadmap-container {
    margin: 20px 0;
}

.stage-box {
    background: white;
    border-left: 6px solid rgb(135, 206, 235);
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.stage-header {
    background: linear-gradient(90deg, rgb(135, 206, 235) 0%, rgb(176, 224, 230) 100%);
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    font-size: 18px;
    color: rgb(25, 118, 210);
}

.stage-header:hover {
    background: linear-gradient(90deg, rgb(100, 180, 220) 0%, rgb(150, 200, 220) 100%);
}

.stage-toggle {
    font-size: 24px;
    transition: transform 0.3s ease;
}

.stage-toggle.open {
    transform: rotate(180deg);
}

.stage-content {
    padding: 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgb(250, 250, 250);
}

.stage-content.open {
    max-height: 2000px;
}

.stage-content h4 {
    color: rgb(34, 139, 34);
    margin-top: 15px;
    margin-bottom: 10px;
    font-weight: bold;
}

.stage-content ul {
    margin-left: 20px;
}

.stage-content li {
    margin: 8px 0;
    font-weight: 600;
}

/* ===== FOOTER ===== */
.footer {
    background: linear-gradient(90deg, rgb(135, 206, 235) 0%, rgb(144, 238, 144) 100%);
    color: white;
    text-align: center;
    padding: 20px;
    border-top: 3px solid rgb(34, 139, 34);
    font-weight: bold;
    margin-top: 50px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .header h1 {
        font-size: 28px;
    }

    .comparison-grid,
    .mindmap-branches {
        grid-template-columns: 1fr;
    }

    .nav-buttons {
        gap: 8px;
    }

    .nav-btn {
        padding: 8px 12px;
        font-size: 11px;
    }

    .summary-table {
        font-size: 12px;
    }

    .summary-table th,
    .summary-table td {
        padding: 10px;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 22px;
    }

    .content-section h2 {
        font-size: 24px;
    }

    .toc-buttons {
        gap: 5px;
    }

    .nav-btn {
        padding: 6px 10px;
        font-size: 11px;
    }

    .card {
        padding: 15px;
    }
}

@media print {
    .disclaimer-banner,
    .navbar,
    .footer {
        display: none;
    }

    .main-content {
        background: white;
    }

    .card,
    .content-section {
        page-break-inside: avoid;
        box-shadow: none;
    }

    .content-section h2 {
        page-break-after: avoid;
    }
}