/* Ocean Plugin Educational Webpage Styles */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, rgb(20, 30, 48) 0%, rgb(36, 59, 85) 100%);
    color: rgb(240, 248, 255);
    line-height: 1.8;
    font-weight: bold;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, rgb(13, 71, 161) 0%, rgb(25, 118, 210) 100%);
    border: 3px solid rgb(66, 165, 245);
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

header h1 {
    font-size: 3em;
    font-weight: bold;
    color: rgb(255, 255, 255);
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.subtitle {
    font-size: 1.3em;
    font-weight: bold;
    color: rgb(224, 247, 250);
    margin-bottom: 20px;
}

.print-btn {
    background: rgb(76, 175, 80);
    color: rgb(255, 255, 255);
    border: 2px solid rgb(129, 199, 132);
    padding: 12px 30px;
    font-size: 1.1em;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.print-btn:hover {
    background: rgb(56, 142, 60);
    transform: scale(1.05);
}

/* Navigation Styles */
.table-of-contents {
    background: linear-gradient(135deg, rgb(26, 35, 126) 0%, rgb(48, 63, 159) 100%);
    border: 3px solid rgb(92, 107, 192);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.table-of-contents h2 {
    font-size: 2em;
    font-weight: bold;
    color: rgb(255, 255, 255);
    margin-bottom: 20px;
    text-align: center;
}

.table-of-contents ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
}

.table-of-contents button {
    width: 100%;
    background: rgb(63, 81, 181);
    color: rgb(255, 255, 255);
    border: 2px solid rgb(121, 134, 203);
    padding: 15px;
    font-size: 1.05em;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.table-of-contents button:hover {
    background: rgb(48, 63, 159);
    transform: translateX(10px);
    border-color: rgb(159, 168, 218);
}

/* Main Content Sections */
.content-section {
    background: linear-gradient(135deg, rgb(30, 40, 60) 0%, rgb(45, 55, 75) 100%);
    border: 3px solid rgb(66, 165, 245);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.content-section h2 {
    font-size: 2.5em;
    font-weight: bold;
    color: rgb(100, 181, 246);
    margin-bottom: 25px;
    border-bottom: 4px solid rgb(66, 165, 245);
    padding-bottom: 15px;
}

.content-section h3 {
    font-size: 1.8em;
    font-weight: bold;
    color: rgb(129, 212, 250);
    margin-top: 30px;
    margin-bottom: 20px;
}

.content-section p {
    font-size: 1.15em;
    font-weight: bold;
    color: rgb(240, 248, 255);
    margin-bottom: 20px;
}

.content-section ul {
    margin-left: 40px;
    margin-bottom: 25px;
}

.content-section li {
    font-size: 1.1em;
    font-weight: bold;
    color: rgb(224, 247, 250);
    margin-bottom: 15px;
    line-height: 1.8;
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, rgb(255, 152, 0) 0%, rgb(255, 193, 7) 100%);
    border: 3px solid rgb(255, 213, 79);
    border-radius: 10px;
    padding: 25px;
    margin: 25px 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.highlight-box p {
    color: rgb(33, 33, 33);
    font-weight: bold;
    font-size: 1.15em;
}

/* Architecture Diagram */
.architecture-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 30px 0;
    padding: 30px;
    background: rgb(25, 35, 50);
    border: 3px solid rgb(66, 165, 245);
    border-radius: 10px;
}

.arch-layer {
    background: linear-gradient(135deg, rgb(13, 71, 161) 0%, rgb(25, 118, 210) 100%);
    border: 3px solid rgb(100, 181, 246);
    border-radius: 10px;
    padding: 25px;
    margin: 10px 0;
    width: 80%;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.arch-layer strong {
    display: block;
    font-size: 1.4em;
    font-weight: bold;
    color: rgb(255, 255, 255);
    margin-bottom: 10px;
}

.arch-layer p {
    font-size: 1.1em;
    font-weight: bold;
    color: rgb(224, 247, 250);
}

.arch-arrow {
    font-size: 2.5em;
    font-weight: bold;
    color: rgb(76, 175, 80);
    margin: 10px 0;
}

/* Table Styles */
.table-container {
    overflow-x: auto;
    margin: 25px 0;
    border: 3px solid rgb(66, 165, 245);
    border-radius: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: rgb(30, 40, 60);
}

thead {
    background: linear-gradient(135deg, rgb(13, 71, 161) 0%, rgb(25, 118, 210) 100%);
}

th {
    padding: 18px;
    text-align: left;
    font-weight: bold;
    font-size: 1.15em;
    color: rgb(255, 255, 255);
    border: 2px solid rgb(66, 165, 245);
}

td {
    padding: 15px;
    font-weight: bold;
    font-size: 1.05em;
    color: rgb(224, 247, 250);
    border: 2px solid rgb(66, 165, 245);
}

tbody tr:nth-child(even) {
    background: rgb(40, 50, 70);
}

tbody tr:hover {
    background: rgb(50, 60, 80);
}

/* Flowchart Styles */
.flowchart {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 30px 0;
    padding: 30px;
    background: rgb(25, 35, 50);
    border: 3px solid rgb(76, 175, 80);
    border-radius: 10px;
}

.flow-step {
    background: linear-gradient(135deg, rgb(25, 118, 210) 0%, rgb(13, 71, 161) 100%);
    border: 3px solid rgb(100, 181, 246);
    border-radius: 10px;
    padding: 20px 40px;
    margin: 10px 0;
    min-width: 300px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.flow-step.start {
    background: linear-gradient(135deg, rgb(76, 175, 80) 0%, rgb(56, 142, 60) 100%);
    border-color: rgb(129, 199, 132);
}

.flow-step.end {
    background: linear-gradient(135deg, rgb(244, 67, 54) 0%, rgb(211, 47, 47) 100%);
    border-color: rgb(239, 154, 154);
}

.flow-step.decision {
    background: linear-gradient(135deg, rgb(255, 152, 0) 0%, rgb(245, 124, 0) 100%);
    border-color: rgb(255, 213, 79);
    border-radius: 50px;
}

.flow-step strong {
    display: block;
    font-size: 1.3em;
    font-weight: bold;
    color: rgb(255, 255, 255);
    margin-bottom: 8px;
}

.flow-step p {
    font-size: 1.1em;
    font-weight: bold;
    color: rgb(224, 247, 250);
}

.flow-arrow {
    font-size: 2.5em;
    font-weight: bold;
    color: rgb(76, 175, 80);
    margin: 5px 0;
}

.flow-arrow-side {
    font-size: 1.3em;
    font-weight: bold;
    color: rgb(255, 193, 7);
    margin: 10px 0;
}

.flow-split {
    display: flex;
    justify-content: space-around;
    width: 100%;
    margin: 20px 0;
}

.flow-branch {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 45%;
}

/* Mind Map Styles */
.mindmap {
    position: relative;
    padding: 60px;
    background: rgb(25, 35, 50);
    border: 3px solid rgb(156, 39, 176);
    border-radius: 10px;
    min-height: 800px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 30px;
}

.mindmap-center {
    grid-column: 2;
    grid-row: 2;
    background: linear-gradient(135deg, rgb(156, 39, 176) 0%, rgb(123, 31, 162) 100%);
    border: 4px solid rgb(206, 147, 216);
    border-radius: 50%;
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 1.3em;
    font-weight: bold;
    color: rgb(255, 255, 255);
    box-shadow: 0 6px 20px rgba(156, 39, 176, 0.5);
    z-index: 10;
}

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

.branch-1 {
    grid-column: 1;
    grid-row: 1;
}

.branch-2 {
    grid-column: 2;
    grid-row: 1;
}

.branch-3 {
    grid-column: 3;
    grid-row: 1;
}

.branch-4 {
    grid-column: 1;
    grid-row: 3;
}

.branch-5 {
    grid-column: 2;
    grid-row: 3;
}

.branch-6 {
    grid-column: 3;
    grid-row: 3;
}

.mindmap-node {
    background: linear-gradient(135deg, rgb(13, 71, 161) 0%, rgb(25, 118, 210) 100%);
    border: 3px solid rgb(100, 181, 246);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    font-weight: bold;
    color: rgb(255, 255, 255);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    min-width: 180px;
}

.mindmap-subnode {
    background: rgb(30, 40, 60);
    border: 2px solid rgb(66, 165, 245);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
    font-weight: bold;
    color: rgb(224, 247, 250);
    min-width: 150px;
    font-size: 0.95em;
}

/* Q&A Styles */
.qa-item {
    margin-bottom: 20px;
}

.qa-question {
    width: 100%;
    background: linear-gradient(135deg, rgb(13, 71, 161) 0%, rgb(25, 118, 210) 100%);
    border: 3px solid rgb(100, 181, 246);
    border-radius: 10px;
    padding: 20px;
    font-size: 1.15em;
    font-weight: bold;
    color: rgb(255, 255, 255);
    cursor: pointer;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
}

.qa-question:hover {
    background: linear-gradient(135deg, rgb(25, 118, 210) 0%, rgb(13, 71, 161) 100%);
    transform: translateY(-2px);
}

.qa-icon {
    font-size: 1.5em;
    font-weight: bold;
    color: rgb(76, 175, 80);
    min-width: 30px;
}

.qa-answer {
    display: none;
    background: rgb(30, 40, 60);
    border: 3px solid rgb(66, 165, 245);
    border-top: none;
    border-radius: 0 0 10px 10px;
    padding: 25px;
    margin-top: -10px;
}

.qa-answer.active {
    display: block;
}

.qa-answer p {
    font-size: 1.1em;
    font-weight: bold;
    color: rgb(224, 247, 250);
}

/* Footer Styles */
footer {
    background: linear-gradient(135deg, rgb(26, 35, 126) 0%, rgb(48, 63, 159) 100%);
    border: 3px solid rgb(92, 107, 192);
    border-radius: 12px;
    padding: 30px;
    margin-top: 40px;
    text-align: center;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

footer p {
    font-size: 1.05em;
    font-weight: bold;
    color: rgb(224, 247, 250);
    margin-bottom: 10px;
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .print-btn,
    .table-of-contents {
        display: none;
    }
    
    .content-section {
        page-break-inside: avoid;
        border: 2px solid black;
        background: white;
    }
    
    h1, h2, h3, strong {
        color: black;
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .mindmap {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(4, 1fr);
    }
    
    .mindmap-center {
        grid-column: 1 / 3;
        grid-row: 2;
    }
    
    .branch-1 { grid-column: 1; grid-row: 1; }
    .branch-2 { grid-column: 2; grid-row: 1; }
    .branch-3 { grid-column: 1; grid-row: 3; }
    .branch-4 { grid-column: 2; grid-row: 3; }
    .branch-5 { grid-column: 1; grid-row: 4; }
    .branch-6 { grid-column: 2; grid-row: 4; }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }
    
    .table-of-contents ul {
        grid-template-columns: 1fr;
    }
    
    .flow-split {
        flex-direction: column;
    }
    
    .flow-branch {
        width: 100%;
    }
    
    .mindmap {
        grid-template-columns: 1fr;
        padding: 30px;
    }
    
    .mindmap-center {
        grid-column: 1;
        grid-row: 1;
    }
    
    .branch-1 { grid-column: 1; grid-row: 2; }
    .branch-2 { grid-column: 1; grid-row: 3; }
    .branch-3 { grid-column: 1; grid-row: 4; }
    .branch-4 { grid-column: 1; grid-row: 5; }
    .branch-5 { grid-column: 1; grid-row: 6; }
    .branch-6 { grid-column: 1; grid-row: 7; }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection Styles */
::selection {
    background: rgb(255, 152, 0);
    color: rgb(33, 33, 33);
}