/* NotebookLM E-Book Professional Stylesheet */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, rgb(240, 248, 255) 0%, rgb(230, 240, 250) 100%);
    color: rgb(30, 30, 30);
    line-height: 1.8;
    padding: 20px;
}

/* ==================== HEADER STYLES ==================== */
header {
    background: linear-gradient(135deg, rgb(25, 80, 140) 0%, rgb(35, 100, 170) 100%);
    color: white;
    padding: 40px 30px;
    text-align: center;
    border: 4px solid rgb(20, 60, 110);
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(25, 80, 140, 0.3);
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.8em;
    font-weight: bold;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.3em;
    font-weight: bold;
    margin-bottom: 20px;
    color: rgb(220, 235, 250);
}

.print-btn {
    background: rgb(50, 150, 80);
    color: white;
    font-weight: bold;
    font-size: 1.1em;
    padding: 12px 30px;
    border: 3px solid rgb(40, 120, 60);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.print-btn:hover {
    background: rgb(40, 120, 60);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* ==================== NAVIGATION STYLES ==================== */
nav {
    background: rgb(245, 250, 255);
    border: 3px solid rgb(100, 150, 200);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(100, 150, 200, 0.2);
}

nav h2 {
    color: rgb(25, 80, 140);
    font-size: 1.8em;
    font-weight: bold;
    margin-bottom: 20px;
    border-bottom: 3px solid rgb(100, 150, 200);
    padding-bottom: 10px;
}

#nav-list {
    list-style: none;
}

#nav-list li {
    margin-bottom: 12px;
}

#nav-list button {
    width: 100%;
    text-align: left;
    background: linear-gradient(135deg, rgb(240, 248, 255) 0%, rgb(230, 242, 252) 100%);
    color: rgb(25, 80, 140);
    font-weight: bold;
    font-size: 1.05em;
    padding: 15px 20px;
    border: 3px solid rgb(100, 150, 200);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(100, 150, 200, 0.2);
}

#nav-list button:hover {
    background: linear-gradient(135deg, rgb(230, 242, 252) 0%, rgb(220, 235, 248) 100%);
    color: rgb(25, 80, 140);
    border-color: rgb(80, 130, 180);
    transform: translateX(10px);
    box-shadow: 0 4px 12px rgba(25, 80, 140, 0.3);
    border-width: 3px;
}

/* ==================== MAIN CONTENT STYLES ==================== */
main {
    max-width: 1200px;
    margin: 0 auto;
}

.content-section {
    background: rgb(255, 255, 255);
    border: 3px solid rgb(150, 180, 210);
    border-radius: 12px;
    padding: 35px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(150, 180, 210, 0.2);
}

.content-section h2 {
    color: rgb(25, 80, 140);
    font-size: 2.2em;
    font-weight: bold;
    margin-bottom: 25px;
    border-bottom: 4px solid rgb(50, 150, 80);
    padding-bottom: 12px;
}

.content-section h3 {
    color: rgb(35, 100, 170);
    font-size: 1.6em;
    font-weight: bold;
    margin-top: 25px;
    margin-bottom: 15px;
}

.content-section h4 {
    color: rgb(50, 120, 180);
    font-size: 1.3em;
    font-weight: bold;
    margin-top: 20px;
    margin-bottom: 12px;
}

.content-section p {
    font-size: 1.08em;
    font-weight: 500;
    margin-bottom: 15px;
    text-align: justify;
    color: rgb(40, 40, 40);
}

.content-section strong {
    font-weight: bold;
    color: rgb(25, 80, 140);
}

/* ==================== LISTS ==================== */
.feature-list {
    margin-left: 30px;
    margin-bottom: 20px;
}

.feature-list li {
    font-size: 1.05em;
    font-weight: 500;
    margin-bottom: 12px;
    padding-left: 10px;
    color: rgb(40, 40, 40);
}

.feature-list li::marker {
    color: rgb(50, 150, 80);
    font-weight: bold;
}

/* ==================== TABLES ==================== */
.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border: 3px solid rgb(100, 150, 200);
}

.info-table thead {
    background: linear-gradient(135deg, rgb(25, 80, 140) 0%, rgb(35, 100, 170) 100%);
    color: white;
}

.info-table thead th {
    padding: 18px;
    font-weight: bold;
    font-size: 1.1em;
    text-align: left;
    border: 2px solid rgb(20, 60, 110);
}

.info-table tbody tr {
    border-bottom: 2px solid rgb(200, 215, 230);
    transition: background 0.3s ease;
}

.info-table tbody tr:nth-child(even) {
    background: rgb(245, 250, 255);
}

.info-table tbody tr:hover {
    background: rgb(230, 240, 250);
}

.info-table tbody td {
    padding: 15px;
    font-weight: 500;
    font-size: 1.02em;
    border: 1px solid rgb(200, 215, 230);
    color: rgb(40, 40, 40);
}

.info-table tbody td strong {
    font-weight: bold;
    color: rgb(25, 80, 140);
}

/* ==================== HIGHLIGHT BOXES ==================== */
.highlight-box {
    background: linear-gradient(135deg, rgb(255, 250, 230) 0%, rgb(255, 245, 210) 100%);
    border: 3px solid rgb(230, 180, 50);
    border-left: 8px solid rgb(230, 180, 50);
    border-radius: 10px;
    padding: 25px;
    margin: 25px 0;
    box-shadow: 0 4px 12px rgba(230, 180, 50, 0.2);
}

.highlight-box h4 {
    color: rgb(180, 100, 20);
    font-size: 1.4em;
    font-weight: bold;
    margin-bottom: 15px;
}

.highlight-box p {
    font-weight: bold;
    color: rgb(80, 60, 30);
    font-size: 1.05em;
}

.highlight-box ul {
    margin-left: 25px;
    margin-top: 15px;
}

.highlight-box li {
    font-weight: 500;
    margin-bottom: 10px;
    color: rgb(80, 60, 30);
}

/* ==================== FLOWCHART STYLES ==================== */
.flowchart-container {
    margin: 30px 0;
    padding: 30px;
    background: rgb(250, 252, 255);
    border: 3px solid rgb(100, 150, 200);
    border-radius: 12px;
}

.flowchart {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.flow-box {
    padding: 20px 30px;
    border-radius: 10px;
    text-align: center;
    font-weight: bold;
    font-size: 1.05em;
    max-width: 400px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    border: 3px solid;
}

.start-box,
.end-box {
    background: linear-gradient(135deg, rgb(50, 150, 80) 0%, rgb(60, 170, 100) 100%);
    color: white;
    border-color: rgb(40, 120, 60);
}

.process-box {
    background: linear-gradient(135deg, rgb(70, 130, 200) 0%, rgb(90, 150, 220) 100%);
    color: white;
    border-color: rgb(50, 100, 170);
}

.decision-box {
    background: linear-gradient(135deg, rgb(240, 150, 50) 0%, rgb(250, 170, 70) 100%);
    color: white;
    border-color: rgb(200, 120, 30);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    padding: 30px 40px;
}

.flow-arrow {
    font-size: 2em;
    font-weight: bold;
    color: rgb(25, 80, 140);
}

.flowchart-legend {
    margin-top: 30px;
    padding: 20px;
    background: rgb(255, 255, 255);
    border: 2px solid rgb(150, 180, 210);
    border-radius: 8px;
}

.flowchart-legend h4 {
    color: rgb(25, 80, 140);
    font-weight: bold;
    margin-bottom: 15px;
}

.flowchart-legend div {
    margin: 10px 0;
    font-weight: bold;
}

.legend-start {
    color: rgb(50, 150, 80);
    font-size: 1.5em;
}

.legend-process {
    color: rgb(70, 130, 200);
    font-size: 1.5em;
}

.legend-decision {
    color: rgb(240, 150, 50);
    font-size: 1.5em;
}

/* ==================== MIND MAP STYLES ==================== */
.mindmap-container {
    margin: 30px 0;
    padding: 30px;
    background: rgb(250, 252, 255);
    border: 3px solid rgb(100, 150, 200);
    border-radius: 12px;
    overflow-x: auto;
}

.mindmap-container svg {
    width: 100%;
    height: auto;
    display: block;
}

.mindmap-description {
    margin-top: 25px;
    padding: 20px;
    background: rgb(255, 255, 255);
    border: 2px solid rgb(150, 180, 210);
    border-radius: 8px;
}

.mindmap-description h3 {
    color: rgb(25, 80, 140);
    font-weight: bold;
    margin-bottom: 15px;
}

/* ==================== DISCLAIMER ==================== */
.disclaimer {
    background: linear-gradient(135deg, rgb(255, 240, 240) 0%, rgb(255, 230, 230) 100%);
    border: 3px solid rgb(220, 100, 100);
    border-left: 8px solid rgb(220, 100, 100);
    border-radius: 10px;
    padding: 30px;
    margin: 30px 0;
    box-shadow: 0 4px 12px rgba(220, 100, 100, 0.2);
}

.disclaimer h3 {
    color: rgb(180, 50, 50);
    font-size: 1.6em;
    font-weight: bold;
    margin-bottom: 20px;
}

.disclaimer p {
    font-weight: bold;
    color: rgb(100, 40, 40);
    font-size: 1.05em;
    margin-bottom: 15px;
}

/* ==================== FOOTER ==================== */
footer {
    background: linear-gradient(135deg, rgb(60, 70, 80) 0%, rgb(80, 90, 100) 100%);
    color: white;
    text-align: center;
    padding: 25px;
    border: 3px solid rgb(40, 50, 60);
    border-radius: 12px;
    margin-top: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

footer p {
    font-weight: bold;
    font-size: 1.05em;
    margin: 8px 0;
}

/* ==================== PRINT STYLES ==================== */
@media print {
    body {
        background: white;
        color: black;
        padding: 0;
    }

    header {
        background: rgb(25, 80, 140);
        color: white;
        page-break-after: avoid;
    }

    .print-btn {
        display: none;
    }

    nav {
        page-break-after: always;
    }

    .content-section {
        page-break-inside: avoid;
        border: 2px solid rgb(150, 180, 210);
        box-shadow: none;
    }

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

    .info-table {
        page-break-inside: avoid;
    }

    .flowchart-container,
    .mindmap-container {
        page-break-inside: avoid;
    }

    footer {
        page-break-before: avoid;
    }

    a {
        text-decoration: none;
        color: black;
    }
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }

    .subtitle {
        font-size: 1.1em;
    }

    .content-section {
        padding: 20px;
    }

    .content-section h2 {
        font-size: 1.8em;
    }

    .content-section h3 {
        font-size: 1.4em;
    }

    .info-table {
        font-size: 0.9em;
    }

    .info-table thead th,
    .info-table tbody td {
        padding: 10px;
    }

    .flow-box {
        font-size: 0.95em;
        padding: 15px 20px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    header {
        padding: 25px 15px;
    }

    header h1 {
        font-size: 1.6em;
    }

    nav,
    .content-section {
        padding: 15px;
    }

    .content-section h2 {
        font-size: 1.5em;
    }
}

/* ==================== SMOOTH SCROLLING ==================== */
html {
    scroll-behavior: smooth;
}

/* ==================== ACCESSIBILITY ==================== */
:focus {
    outline: 3px solid rgb(50, 150, 80);
    outline-offset: 2px;
}

button:focus,
a:focus {
    outline: 3px solid rgb(50, 150, 80);
}

/* ==================== ANIMATION ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-section {
    animation: fadeIn 0.6s ease-out;
}