/* PLATO Terminal Styles - The Friendly Orange Glow */
@import url('https://fonts.googleapis.com/css2?family=VT323&family=Share+Tech+Mono&display=swap');

:root {
    --plato-orange: #ff8c00;
    --plato-orange-glow: #ffa500;
    --plato-dark: #1a1a1a;
    --plato-darker: #0a0a0a;
    --plato-text: #ffd700;
    --plato-text-dim: #ffb84d;
    --plato-border: #ff6600;
    --plato-highlight: #ffcc00;
}

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

body {
    background: var(--plato-darker);
    font-family: 'Share Tech Mono', monospace;
    color: var(--plato-text);
    overflow-x: hidden;
    min-height: 100vh;
}

/* CRT Scan Lines Effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.1) 2px,
        rgba(0, 0, 0, 0.1) 4px
    );
    pointer-events: none;
    z-index: 1000;
}

.plato-terminal {
    max-width: 1200px;
    margin: 20px auto;
    background: var(--plato-dark);
    border: 3px solid var(--plato-border);
    border-radius: 10px;
    box-shadow: 
        0 0 20px var(--plato-orange-glow),
        inset 0 0 20px rgba(255, 140, 0, 0.1);
    overflow: hidden;
}

/* Terminal Header */
.terminal-header {
    background: linear-gradient(135deg, var(--plato-orange), var(--plato-orange-glow));
    padding: 15px 20px;
    text-align: center;
    border-bottom: 2px solid var(--plato-border);
}

.plato-logo {
    font-family: 'VT323', monospace;
    font-size: 2.5em;
    font-weight: bold;
    color: var(--plato-darker);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 5px;
}

.terminal-info {
    font-size: 1.1em;
    color: var(--plato-darker);
    font-weight: bold;
}

/* Main Content Layout */
.main-content {
    display: flex;
    min-height: 600px;
}

/* Menu Section */
.menu-section {
    width: 250px;
    background: var(--plato-dark);
    border-right: 2px solid var(--plato-border);
    padding: 20px;
}

.menu-section h2 {
    color: var(--plato-orange);
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.3em;
    text-shadow: 0 0 10px var(--plato-orange-glow);
}

.menu-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.menu-item {
    padding: 12px 15px;
    background: var(--plato-darker);
    border: 2px solid var(--plato-border);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    font-weight: bold;
}

.menu-item:hover {
    background: var(--plato-orange);
    color: var(--plato-darker);
    box-shadow: 0 0 15px var(--plato-orange-glow);
    transform: translateX(5px);
}

.menu-item.active {
    background: var(--plato-orange);
    color: var(--plato-darker);
    border-color: var(--plato-highlight);
    box-shadow: 0 0 15px var(--plato-orange-glow);
}

/* Content Area */
.content-area {
    flex: 1;
    padding: 20px;
    background: var(--plato-dark);
}

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

.content-screen.active {
    display: block;
}

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

.content-screen h3 {
    color: var(--plato-orange);
    margin-bottom: 20px;
    font-size: 1.5em;
    text-shadow: 0 0 10px var(--plato-orange-glow);
    border-bottom: 2px solid var(--plato-border);
    padding-bottom: 10px;
}

/* Welcome Screen */
.system-status {
    background: var(--plato-darker);
    border: 2px solid var(--plato-border);
    border-radius: 5px;
    padding: 20px;
    margin-top: 20px;
}

.system-status p {
    margin: 10px 0;
    color: var(--plato-text-dim);
}

/* Notes Screen */
.notes-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.note-input {
    background: var(--plato-darker);
    border: 2px solid var(--plato-border);
    border-radius: 5px;
    padding: 20px;
}

.note-input input,
.note-input textarea {
    width: 100%;
    background: var(--plato-dark);
    border: 2px solid var(--plato-border);
    border-radius: 3px;
    padding: 10px;
    margin-bottom: 15px;
    color: var(--plato-text);
    font-family: 'Share Tech Mono', monospace;
}

.note-input textarea {
    height: 100px;
    resize: vertical;
}

.notes-list {
    max-height: 400px;
    overflow-y: auto;
}

.note-item {
    background: var(--plato-darker);
    border: 1px solid var(--plato-border);
    border-radius: 3px;
    padding: 15px;
    margin-bottom: 10px;
}

.note-title {
    color: var(--plato-orange);
    font-weight: bold;
    margin-bottom: 5px;
}

.note-content {
    color: var(--plato-text-dim);
    line-height: 1.4;
}

.note-meta {
    color: var(--plato-text-dim);
    font-size: 0.9em;
    margin-top: 10px;
    opacity: 0.7;
}

/* Lessons Screen */
.lesson-modules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.lesson-module {
    background: var(--plato-darker);
    border: 2px solid var(--plato-border);
    border-radius: 5px;
    padding: 20px;
    text-align: center;
}

.lesson-module h4 {
    color: var(--plato-orange);
    margin-bottom: 15px;
    font-size: 1.2em;
}

.lesson-module p {
    color: var(--plato-text-dim);
    margin-bottom: 20px;
    line-height: 1.4;
}

/* Games Screen */
.game-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.game-item {
    background: var(--plato-darker);
    border: 2px solid var(--plato-border);
    border-radius: 5px;
    padding: 20px;
    text-align: center;
}

.game-item h4 {
    color: var(--plato-orange);
    margin-bottom: 15px;
    font-size: 1.2em;
}

.game-item p {
    color: var(--plato-text-dim);
    margin-bottom: 20px;
    line-height: 1.4;
}

/* Files Screen */
.file-upload {
    background: var(--plato-darker);
    border: 2px solid var(--plato-border);
    border-radius: 5px;
    padding: 20px;
    margin-bottom: 20px;
}

.file-upload input[type="file"] {
    margin-bottom: 15px;
    color: var(--plato-text);
}

.files-list {
    background: var(--plato-darker);
    border: 2px solid var(--plato-border);
    border-radius: 5px;
    padding: 20px;
    min-height: 200px;
}

/* Users Screen */
.users-list {
    background: var(--plato-darker);
    border: 2px solid var(--plato-border);
    border-radius: 5px;
    padding: 20px;
}

.user-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
    border-bottom: 1px solid var(--plato-border);
}

.user-status {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--plato-orange);
    box-shadow: 0 0 10px var(--plato-orange-glow);
}

.user-status.online {
    background: #00ff00;
    box-shadow: 0 0 10px #00ff00;
}

/* Terminal Footer */
.terminal-footer {
    background: var(--plato-darker);
    border-top: 2px solid var(--plato-border);
    padding: 15px 20px;
}

.status-line {
    color: var(--plato-orange);
    font-weight: bold;
    margin-bottom: 10px;
    text-align: center;
}

.command-line {
    display: flex;
    align-items: center;
    gap: 10px;
}

.prompt {
    color: var(--plato-orange);
    font-weight: bold;
    font-size: 1.2em;
}

#command-input {
    flex: 1;
    background: var(--plato-dark);
    border: 2px solid var(--plato-border);
    border-radius: 3px;
    padding: 8px 12px;
    color: var(--plato-text);
    font-family: 'Share Tech Mono', monospace;
}

/* PLATO Button Style */
.plato-button {
    background: var(--plato-orange);
    color: var(--plato-darker);
    border: 2px solid var(--plato-border);
    border-radius: 5px;
    padding: 10px 20px;
    font-family: 'Share Tech Mono', monospace;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.plato-button:hover {
    background: var(--plato-orange-glow);
    box-shadow: 0 0 15px var(--plato-orange-glow);
    transform: translateY(-2px);
}

.plato-button:active {
    transform: translateY(0);
}

/* PLATO Modal/Popup Styles */
.plato-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: modalFadeIn 0.3s ease-out;
}

.plato-modal {
    background: var(--plato-dark);
    border: 3px solid var(--plato-border);
    border-radius: 10px;
    padding: 25px;
    max-width: 500px;
    width: 90%;
    box-shadow: 
        0 0 30px var(--plato-orange-glow),
        inset 0 0 20px rgba(255, 140, 0, 0.1);
    animation: modalSlideIn 0.3s ease-out;
    position: relative;
}

.plato-modal-header {
    background: linear-gradient(135deg, var(--plato-orange), var(--plato-orange-glow));
    margin: -25px -25px 20px -25px;
    padding: 15px 25px;
    border-radius: 7px 7px 0 0;
    text-align: center;
}

.plato-modal-title {
    color: var(--plato-darker);
    font-size: 1.3em;
    font-weight: bold;
    text-transform: uppercase;
    font-family: 'VT323', monospace;
}

.plato-modal-content {
    color: var(--plato-text);
    margin-bottom: 25px;
    line-height: 1.5;
    text-align: center;
}

.plato-modal-input {
    width: 100%;
    background: var(--plato-darker);
    border: 2px solid var(--plato-border);
    border-radius: 5px;
    padding: 12px;
    color: var(--plato-text);
    font-family: 'Share Tech Mono', monospace;
    font-size: 1em;
    margin-bottom: 20px;
    text-align: center;
}

.plato-modal-input:focus {
    outline: none;
    border-color: var(--plato-orange);
    box-shadow: 0 0 15px var(--plato-orange-glow);
}

.plato-modal-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.plato-modal-button {
    background: var(--plato-orange);
    color: var(--plato-darker);
    border: 2px solid var(--plato-border);
    border-radius: 5px;
    padding: 10px 20px;
    font-family: 'Share Tech Mono', monospace;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    min-width: 80px;
}

.plato-modal-button:hover {
    background: var(--plato-orange-glow);
    box-shadow: 0 0 15px var(--plato-orange-glow);
    transform: translateY(-2px);
}

.plato-modal-button:active {
    transform: translateY(0);
}

.plato-modal-button.secondary {
    background: var(--plato-darker);
    color: var(--plato-text);
    border-color: var(--plato-border);
}

.plato-modal-button.secondary:hover {
    background: var(--plato-dark);
    color: var(--plato-orange);
}

/* Modal Animations */
@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideIn {
    from { 
        opacity: 0; 
        transform: scale(0.8) translateY(-20px); 
    }
    to { 
        opacity: 1; 
        transform: scale(1) translateY(0); 
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--plato-darker);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: var(--plato-orange);
    border-radius: 6px;
    border: 2px solid var(--plato-darker);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--plato-orange-glow);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }
    
    .menu-section {
        width: 100%;
        border-right: none;
        border-bottom: 2px solid var(--plato-border);
    }
    
    .plato-terminal {
        margin: 10px;
        border-width: 2px;
    }
    
    .plato-logo {
        font-size: 2em;
    }
    
    .plato-modal {
        width: 95%;
        margin: 20px;
    }
    
    .plato-modal-buttons {
        flex-direction: column;
        gap: 10px;
    }
}