/* =====================================================
   PUNKTET BBS - Terminal CSS
   ANSI Colors & Retro CRT Styling
   ===================================================== */

:root {
    /* ANSI Standard Colors */
    --ansi-black: #000000;
    --ansi-red: #aa0000;
    --ansi-green: #00aa00;
    --ansi-yellow: #aa5500;
    --ansi-blue: #0000aa;
    --ansi-magenta: #aa00aa;
    --ansi-cyan: #00aaaa;
    --ansi-white: #aaaaaa;
    
    /* ANSI Bright Colors */
    --ansi-bright-black: #555555;
    --ansi-bright-red: #ff5555;
    --ansi-bright-green: #55ff55;
    --ansi-bright-yellow: #ffff55;
    --ansi-bright-blue: #5555ff;
    --ansi-bright-magenta: #ff55ff;
    --ansi-bright-cyan: #55ffff;
    --ansi-bright-white: #ffffff;
    
    /* Theme Colors (Classic Green) */
    --terminal-bg: #0a0a0a;
    --terminal-fg: #00ff00;
    --terminal-dim: #007700;
    --terminal-bright: #55ff55;
    --terminal-border: #003300;
    --header-bg: #001100;
    --prompt-color: #00ff00;
    --cursor-color: #00ff00;
    --selection-bg: #003300;
    
    /* Sizing */
    --font-size: 14px;
    --line-height: 1.4;
}

/* Theme Variants */
.theme-amber {
    --terminal-fg: #ffb000;
    --terminal-dim: #996600;
    --terminal-bright: #ffcc55;
    --terminal-border: #332200;
    --header-bg: #111100;
    --prompt-color: #ffb000;
    --cursor-color: #ffb000;
    --selection-bg: #332200;
}

.theme-blue {
    --terminal-fg: #55aaff;
    --terminal-dim: #0055aa;
    --terminal-bright: #aaddff;
    --terminal-border: #001133;
    --header-bg: #000011;
    --prompt-color: #55aaff;
    --cursor-color: #55aaff;
    --selection-bg: #001133;
}

.theme-white {
    --terminal-fg: #cccccc;
    --terminal-dim: #666666;
    --terminal-bright: #ffffff;
    --terminal-border: #333333;
    --header-bg: #111111;
    --prompt-color: #ffffff;
    --cursor-color: #ffffff;
    --selection-bg: #333333;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    background: #000;
    font-family: 'IBM Plex Mono', 'Courier New', monospace;
    font-size: var(--font-size);
    line-height: var(--line-height);
    color: var(--terminal-fg);
}

/* Terminal Container */
#terminal-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
    background: var(--terminal-bg);
    border-left: 2px solid var(--terminal-border);
    border-right: 2px solid var(--terminal-border);
    position: relative;
}

/* CRT Scanlines Effect */
.scanlines #terminal-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 1000;
}

/* CRT Glow Effect */
#terminal-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    box-shadow: 
        inset 0 0 100px rgba(0, 255, 0, 0.05),
        inset 0 0 50px rgba(0, 255, 0, 0.05);
    pointer-events: none;
    z-index: 999;
}

/* Header */
#terminal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: var(--header-bg);
    border-bottom: 1px solid var(--terminal-dim);
    flex-shrink: 0;
}

#terminal-header .header-left,
#terminal-header .header-center,
#terminal-header .header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.bbs-name {
    font-weight: bold;
    color: var(--terminal-bright);
    text-shadow: 0 0 10px var(--terminal-fg);
}

.node-info {
    color: var(--terminal-dim);
}

.time-display {
    color: var(--ansi-bright-yellow);
}

/* Main Screen */
#terminal-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 16px;
}

#output {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    white-space: pre-wrap;
    word-wrap: break-word;
    scrollbar-width: thin;
    scrollbar-color: var(--terminal-dim) var(--terminal-bg);
}

#output::-webkit-scrollbar {
    width: 8px;
}

#output::-webkit-scrollbar-track {
    background: var(--terminal-bg);
}

#output::-webkit-scrollbar-thumb {
    background: var(--terminal-dim);
    border-radius: 4px;
}

/* Input Line */
#input-line {
    display: flex;
    align-items: center;
    padding-top: 8px;
    flex-shrink: 0;
}

.prompt {
    color: var(--prompt-color);
    margin-right: 8px;
    flex-shrink: 0;
}

#input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--terminal-fg);
    font-family: inherit;
    font-size: inherit;
    caret-color: transparent;
}

.cursor {
    color: var(--cursor-color);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Footer */
#terminal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: var(--header-bg);
    border-top: 1px solid var(--terminal-dim);
    flex-shrink: 0;
}

#terminal-footer .footer-left,
#terminal-footer .footer-center,
#terminal-footer .footer-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-btn {
    background: transparent;
    border: 1px solid var(--terminal-dim);
    color: var(--terminal-fg);
    padding: 4px 8px;
    cursor: pointer;
    font-size: 14px;
    border-radius: 3px;
    transition: all 0.2s;
}

.icon-btn:hover {
    background: var(--terminal-dim);
    border-color: var(--terminal-fg);
}

/* ANSI Color Classes */
.ansi-black { color: var(--ansi-black); }
.ansi-red { color: var(--ansi-red); }
.ansi-green { color: var(--ansi-green); }
.ansi-yellow { color: var(--ansi-yellow); }
.ansi-blue { color: var(--ansi-blue); }
.ansi-magenta { color: var(--ansi-magenta); }
.ansi-cyan { color: var(--ansi-cyan); }
.ansi-white { color: var(--ansi-white); }

.ansi-bright-black { color: var(--ansi-bright-black); }
.ansi-bright-red { color: var(--ansi-bright-red); }
.ansi-bright-green { color: var(--ansi-bright-green); }
.ansi-bright-yellow { color: var(--ansi-bright-yellow); }
.ansi-bright-blue { color: var(--ansi-bright-blue); }
.ansi-bright-magenta { color: var(--ansi-bright-magenta); }
.ansi-bright-cyan { color: var(--ansi-bright-cyan); }
.ansi-bright-white { color: var(--ansi-bright-white); }

/* ANSI Background Colors */
.ansi-bg-black { background-color: var(--ansi-black); }
.ansi-bg-red { background-color: var(--ansi-red); }
.ansi-bg-green { background-color: var(--ansi-green); }
.ansi-bg-yellow { background-color: var(--ansi-yellow); }
.ansi-bg-blue { background-color: var(--ansi-blue); }
.ansi-bg-magenta { background-color: var(--ansi-magenta); }
.ansi-bg-cyan { background-color: var(--ansi-cyan); }
.ansi-bg-white { background-color: var(--ansi-white); }

/* Text Styles */
.ansi-bold { font-weight: bold; }
.ansi-dim { opacity: 0.7; }
.ansi-italic { font-style: italic; }
.ansi-underline { text-decoration: underline; }
.ansi-blink { animation: blink 1s step-end infinite; }
.ansi-reverse { filter: invert(1); }

/* Special Formatting */
.line-header {
    color: var(--terminal-bright);
    font-weight: bold;
    border-bottom: 1px solid var(--terminal-dim);
    margin-bottom: 8px;
    padding-bottom: 4px;
}

.line-separator {
    color: var(--terminal-dim);
}

.line-menu-item {
    color: var(--terminal-fg);
}

.line-menu-item .hotkey {
    color: var(--ansi-bright-yellow);
    font-weight: bold;
}

.line-error {
    color: var(--ansi-bright-red);
}

.line-success {
    color: var(--ansi-bright-green);
}

.line-warning {
    color: var(--ansi-bright-yellow);
}

.line-info {
    color: var(--ansi-bright-cyan);
}

/* Pagination Prompt */
.more-prompt {
    color: var(--ansi-bright-magenta);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ASCII Art Box Drawing */
.ascii-box {
    color: var(--terminal-dim);
}

.ascii-art {
    color: var(--terminal-bright);
    white-space: pre;
    line-height: 1.2;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--terminal-bg);
    border: 2px solid var(--terminal-fg);
    padding: 24px;
    min-width: 300px;
    max-width: 500px;
}

.modal-content h2 {
    color: var(--terminal-bright);
    margin-bottom: 16px;
    text-align: center;
}

.setting-group {
    margin-bottom: 16px;
}

.setting-group label {
    display: block;
    margin-bottom: 4px;
    color: var(--terminal-fg);
}

.setting-group select,
.setting-group input[type="text"] {
    width: 100%;
    padding: 8px;
    background: var(--terminal-bg);
    border: 1px solid var(--terminal-dim);
    color: var(--terminal-fg);
    font-family: inherit;
    font-size: inherit;
}

.setting-group input[type="checkbox"] {
    margin-right: 8px;
}

.btn {
    display: block;
    width: 100%;
    padding: 12px;
    background: var(--terminal-dim);
    border: 1px solid var(--terminal-fg);
    color: var(--terminal-bright);
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    margin-top: 16px;
}

.btn:hover {
    background: var(--terminal-fg);
    color: var(--terminal-bg);
}

/* Transfer Protocol Display */
.transfer-display {
    background: var(--header-bg);
    border: 1px solid var(--terminal-dim);
    padding: 8px;
    margin: 8px 0;
}

.transfer-progress {
    height: 20px;
    background: var(--terminal-bg);
    border: 1px solid var(--terminal-dim);
    margin-top: 8px;
    position: relative;
}

.transfer-progress-bar {
    height: 100%;
    background: var(--terminal-fg);
    transition: width 0.3s;
}

.transfer-progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--terminal-bright);
    text-shadow: 0 0 5px var(--terminal-bg);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    :root {
        --font-size: 12px;
    }
    
    #terminal-header,
    #terminal-footer {
        padding: 6px 8px;
    }
    
    #terminal-screen {
        padding: 8px;
    }
    
    .header-center {
        display: none;
    }
}

/* Font Size Classes */
.font-12 { --font-size: 12px; }
.font-14 { --font-size: 14px; }
.font-16 { --font-size: 16px; }
.font-18 { --font-size: 18px; }

/* Loading Animation */
.loading {
    display: inline-block;
}

.loading::after {
    content: '';
    animation: loading-dots 1.5s infinite;
}

@keyframes loading-dots {
    0% { content: '.'; }
    33% { content: '..'; }
    66% { content: '...'; }
    100% { content: ''; }
}