/* ========================================================================= */
/* Chaos Pad CSS - Neon Chaos Styling with Variables */
/* ========================================================================= */

/* Define Global Variables */
:root {
    /* Colors */
    --chaos-black: #000;
    --chaos-dark: #111;
    --chaos-gray: #222;
    --chaos-cyan: #0ff;
    --chaos-magenta: #ff00ff;
    --chaos-yellow: #ff0;
    --chaos-red: #f00;
    --chaos-green: #0f0;
    --chaos-white: #fff;

    /* Gradients */
    --gradient-dark: linear-gradient(45deg, var(--chaos-dark), var(--chaos-gray));
    --gradient-draw: linear-gradient(135deg, #ff1493, #ff4d94);
    --gradient-text: linear-gradient(135deg, var(--chaos-yellow), #cccc00);
    --gradient-help: linear-gradient(135deg, var(--chaos-cyan), #00cccc);
    --gradient-brushes: linear-gradient(135deg, var(--chaos-green), #00cc00);
    --gradient-actions: linear-gradient(135deg, #ff4500, #ff8800);
    --gradient-magenta: linear-gradient(135deg, var(--chaos-magenta), #ff99ff);
    --gradient-rainbow: linear-gradient(45deg, red, orange, yellow, green, blue, indigo, violet);

    /* Sizes */
    --nav-height: 100px;
    --border-width: 2px;
    --padding-small: 0.5rem;
    --padding-medium: 1rem;
    --font-size-base: 1rem;
    --font-size-large: 1.5rem;
}

/* ========================================================================= */
/* Base Styles */
/* ========================================================================= */
body {
    background: var(--chaos-black);
    color: var(--chaos-magenta);
    font-family: 'Courier New', monospace;
    margin: 0;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* ========================================================================= */
/* Landing Hub Styles */
/* ========================================================================= */
.landing-hub {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: var(--gradient-dark);
    z-index: 10;
    position: relative;
    overflow: hidden;
}

.chaos-rain {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.chaos-drop {
    position: absolute;
    font-size: var(--font-size-large);
    text-shadow: 0 0 5px currentColor;
    animation: rain 5s linear forwards;
}

.chaos-drop.glitch {
    animation: rain 5s linear forwards, glitch 0.5s infinite alternate;
}

@keyframes rain {
    0% { top: -5vh; opacity: 1; transform: rotate(0deg); }
    100% { top: 100vh; opacity: 0.5; transform: rotate(360deg); }
}

@keyframes glitch {
    0% { transform: translate(0, 0) rotate(360deg); }
    25% { transform: translate(5px, -5px) rotate(370deg); }
    50% { transform: translate(-5px, 5px) rotate(350deg); }
    75% { transform: translate(5px, 5px) rotate(360deg); }
    100% { transform: translate(-5px, -5px) rotate(355deg); }
}

.landing-title {
    font-size: 3rem;
    text-shadow: 0 0 10px var(--chaos-cyan);
    margin: 0;
    z-index: 1;
}

.landing-tagline {
    font-size: var(--font-size-large);
    text-shadow: 0 0 5px var(--chaos-cyan);
    margin: 0.5rem 0 2rem;
    z-index: 1;
}

.landing-buttons {
    display: flex;
    gap: var(--padding-medium);
    z-index: 1;
}

.landing-button {
    padding: var(--padding-medium) 2rem;
    font-size: var(--font-size-large);
    font-weight: bold;
    border: var(--border-width) solid var(--chaos-cyan);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    color: var(--chaos-black);
}

.draw-button { background: var(--gradient-draw); }
.text-button { background: var(--gradient-text); }
.help-button { background: var(--gradient-help); }

.landing-button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px var(--chaos-cyan);
}

.landing-button:active {
    transform: scale(0.95);
}

.landing-links {
    margin-top: 2rem;
    display: flex;
    gap: 1.5rem;
    z-index: 1;
}

.chaos-link {
    color: var(--chaos-cyan);
    text-decoration: none;
    font-size: 1.2rem;
    text-shadow: 0 0 5px var(--chaos-cyan);
    padding: var(--padding-small) var(--padding-medium);
    border: var(--border-width) solid var(--chaos-cyan);
    border-radius: 6px;
    background: var(--gradient-dark);
    transition: all 0.3s ease-in-out;
}

.chaos-link:hover {
    transform: scale(1.1);
    box-shadow: 0 0 10px var(--chaos-cyan);
}

.chaos-link:active {
    transform: scale(0.95);
}

#crash-course {
    background: var(--gradient-magenta);
}

.chaos-quip {
    position: absolute;
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.3rem;
    text-shadow: 0 0 8px var(--chaos-magenta);
    color: var(--chaos-yellow);
    z-index: 1;
    animation: quipFade 3s infinite;
}

@keyframes quipFade {
    0%, 100% { opacity: 0; }
    20%, 80% { opacity: 1; }
}

.crash-course-panel {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient-dark);
    border: var(--border-width) solid var(--chaos-cyan);
    padding: 1.5rem;
    box-shadow: 0 0 12px var(--chaos-cyan);
    color: var(--chaos-magenta);
    text-shadow: 0 0 6px var(--chaos-cyan);
    font-size: 1.2rem;
    text-align: center;
    display: none;
    z-index: 20;
    border-radius: 8px;
    animation: fadeIn 0.3s ease-in;
}

.crash-course-panel h2 {
    margin: 0 0 var(--padding-medium);
    text-shadow: 0 0 10px var(--chaos-magenta);
}

.crash-course-panel pre {
    margin: 0;
    text-align: left;
}

#close-crash-course {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    font-size: var(--font-size-base);
    background: var(--gradient-magenta);
}

.virus-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    z-index: 25;
    align-items: center;
    justify-content: center;
}

.virus-message {
    font-size: 3rem;
    color: var(--chaos-red);
    text-shadow: 0 0 15px var(--chaos-red);
    animation: glitch 0.5s infinite alternate;
}

.landing-hub.melt {
    animation: melt 2s forwards;
}

@keyframes melt {
    0% { transform: translate(0, 0); filter: blur(0); }
    50% { transform: translate(0, 20vh) skewY(10deg); filter: blur(5px); }
    100% { transform: translate(0, 100vh) skewY(20deg); filter: blur(10px); }
}

/* ========================================================================= */
/* Workspace Styles */
/* ========================================================================= */
.workspace {
    flex: 1;
    padding: var(--padding-medium);
    display: none;
    flex-direction: column;
    gap: var(--padding-small);
    height: calc(100vh - var(--nav-height) - 2rem);
    position: relative;
    z-index: 10;
}

.draw-workspace, .text-workspace {
    display: none;
    height: 100%;
    position: relative;
}

.canvas-container {
    overflow: auto;
    position: relative;
    height: 100%;
}

.chaos-canvas {
    background: var(--chaos-gray);
    border: 1px solid var(--chaos-cyan);
    display: block;
    cursor: crosshair;
}

.chaos-text {
    background: var(--chaos-gray);
    border: 1px solid var(--chaos-cyan);
    color: var(--chaos-cyan);
    padding: var(--padding-small);
    resize: none;
    width: 100%;
    min-width: 100px;
    box-sizing: border-box;
    font-family: 'Courier New', monospace;
    height: 100%;
}

.text-brush-input {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-text);
    border: var(--border-width) solid var(--chaos-cyan);
    padding: var(--padding-small);
    font-size: var(--font-size-base);
    color: var(--chaos-black);
    width: 200px;
    text-align: center;
    z-index: 11;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgba(0, 255, 255, 0.2);
}

/* ========================================================================= */
/* Navigation Styles */
/* ========================================================================= */
.nav-container {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 15;
    transition: transform 0.3s ease-in-out;
    transform: translateY(0);
    display: none;
}

.control-nav {
    width: 100%;
    height: var(--nav-height);
    background: linear-gradient(90deg, var(--chaos-dark), var(--chaos-gray));
    border-top: 3px solid var(--chaos-cyan);
    padding: 0 var(--padding-small);
    box-shadow: 0 -2px 10px rgba(0, 255, 255, 0.3);
    display: flex;
    align-items: center;
}

.expanded-nav {
    width: 100%;
    height: var(--nav-height);
    background: linear-gradient(90deg, var(--chaos-dark), var(--chaos-gray));
    border-bottom: 3px solid var(--chaos-cyan);
    padding: 0 var(--padding-small);
    box-shadow: 0 2px 10px rgba(0, 255, 255, 0.3);
    overflow: hidden;
    max-height: 0;
    visibility: hidden;
    transition: max-height 0.3s ease-in-out, visibility 0s linear 0.3s;
}

.expanded-nav.expanded {
    max-height: var(--nav-height);
    visibility: visible;
    transition: max-height 0.3s ease-in-out;
}

.nav-content {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--padding-small);
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.draw-controls, .text-controls {
    display: none;
}

.canvas-control { background: var(--gradient-draw); }
.brushes-control { background: var(--gradient-brushes); }
.text-control { background: var(--gradient-text); }
.actions-control { background: var(--gradient-actions); }

.nav-button {
    width: 50px;
    height: 50px;
    border-radius: 6px;
    color: var(--chaos-black);
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 2px 5px rgba(0, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: var(--border-width) solid var(--chaos-cyan);
    font-size: 1.75rem;
}

.nav-button:hover {
    box-shadow: 0 4px 10px rgba(0, 255, 255, 0.4);
    transform: scale(1.1);
}

.nav-button:active {
    box-shadow: 0 2px 5px rgba(255, 0, 255, 0.4);
    transform: scale(0.95);
}

.nav-button.text-control.active {
    outline: var(--border-width) solid var(--chaos-magenta);
}

.nav-input {
    padding: 0 var(--padding-small);
    font-size: var(--font-size-base);
    background: var(--chaos-gray);
    border: var(--border-width) solid var(--chaos-cyan);
    min-width: 4rem;
    height: 50px;
}

.nav-input-wide {
    padding: 0 var(--padding-small);
    font-size: var(--font-size-base);
    background: var(--gradient-draw);
    border: var(--border-width) solid var(--chaos-cyan);
    min-width: 6rem;
    height: 50px;
}

.nav-slider {
    appearance: none;
    padding: 0 var(--padding-small);
    background: var(--chaos-black);
    border: var(--border-width) solid var(--chaos-cyan);
    min-width: 6rem;
    height: 50px;
}

.nav-slider::-webkit-slider-runnable-track {
    background: var(--chaos-black);
    height: 10px;
    border-radius: 5px;
}

.nav-slider.canvas-control::-webkit-slider-runnable-track { border: var(--border-width) solid #ff1493; }
.nav-slider.brushes-control::-webkit-slider-runnable-track { border: var(--border-width) solid var(--chaos-green); }
.nav-slider.text-control::-webkit-slider-runnable-track { border: var(--border-width) solid var(--chaos-yellow); }
.nav-slider.actions-control::-webkit-slider-runnable-track { border: var(--border-width) solid #ff4500; }

.nav-slider::-webkit-slider-thumb {
    appearance: none;
    width: 15px;
    height: 15px;
    background: inherit;
    border-radius: 50%;
    cursor: pointer;
    border: var(--border-width) solid var(--chaos-cyan);
}

.nav-slider.canvas-control::-webkit-slider-thumb { background: #ff1493; }
.nav-slider.brushes-control::-webkit-slider-thumb { background: var(--chaos-green); }
.nav-slider.text-control::-webkit-slider-thumb { background: var(--chaos-yellow); }
.nav-slider.actions-control::-webkit-slider-thumb { background: #ff4500; }

.nav-slider::-moz-range-track {
    background: var(--chaos-black);
    height: 10px;
    border-radius: 5px;
}

.nav-slider.canvas-control::-moz-range-track { border: var(--border-width) solid #ff1493; }
.nav-slider.brushes-control::-moz-range-track { border: var(--border-width) solid var(--chaos-green); }
.nav-slider.text-control::-moz-range-track { border: var(--border-width) solid var(--chaos-yellow); }
.nav-slider.actions-control::-moz-range-track { border: var(--border-width) solid #ff4500; }

.nav-slider::-moz-range-thumb {
    width: 15px;
    height: 15px;
    background: inherit;
    border-radius: 50%;
    cursor: pointer;
    border: var(--border-width) solid var(--chaos-cyan);
}

.nav-slider.canvas-control::-moz-range-thumb { background: #ff1493; }
.nav-slider.brushes-control::-moz-range-thumb { background: var(--chaos-green); }
.nav-slider.text-control::-moz-range-thumb { background: var(--chaos-yellow); }
.nav-slider.actions-control::-moz-range-thumb { background: #ff4500; }

.brush-menu {
    position: relative;
    display: inline-block;
}

.brush-menu-content {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-dark);
    border: var(--border-width) solid var(--chaos-cyan);
    padding: var(--padding-small);
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0, 255, 255, 0.3);
    z-index: 20;
    display: none;
    flex-direction: column;
    gap: var(--padding-small);
    width: 200px;
}

.brush-menu-content select {
    width: 100%;
    display: block;
}

.brush-menu-content select.selected {
    border: var(--border-width) solid var(--chaos-magenta);
    box-shadow: 0 0 10px var(--chaos-magenta);
    background: var(--gradient-brushes);
}

.nav-select {
    padding: 0 var(--padding-small);
    font-size: var(--font-size-base);
    background: inherit;
    border: var(--border-width) solid var(--chaos-cyan);
    border-radius: 6px;
    appearance: none;
    -webkit-appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--chaos-cyan) 50%), linear-gradient(135deg, var(--chaos-cyan) 50%, transparent 50%);
    background-position: calc(100% - 15px) center, calc(100% - 10px) center;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    box-shadow: 0 2px 5px rgba(0, 255, 255, 0.2);
    transition: all 0.3s ease-in-out;
    min-width: 6rem;
    height: 50px;
}

.nav-select.canvas-control { background: var(--gradient-draw); }
.nav-select.brushes-control { background: var(--gradient-brushes); }
.nav-select.text-control { background: var(--gradient-text); }

.nav-select:focus {
    outline: none;
    box-shadow: 0 0 10px var(--chaos-cyan); /* Fixed from 'inherit' */
}

.nav-select option {
    background: var(--chaos-gray);
    color: var(--chaos-white);
}

.nav-checkbox {
    appearance: none;
    background: var(--chaos-cyan);
    border-radius: 4px;
    border: var(--border-width) solid var(--chaos-cyan);
    min-width: 2rem;
    height: 50px;
}

.nav-checkbox:checked { background: var(--chaos-magenta); }

.nav-arrow {
    background: var(--gradient-help);
    border: var(--border-width) solid var(--chaos-cyan);
    border-radius: 6px;
    color: var(--chaos-black);
    font-size: var(--font-size-large);
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 2px 5px rgba(0, 255, 255, 0.2);
    position: relative;
    z-index: 16;
    padding: 0 var(--padding-small);
    width: 50px;
    height: 50px;
}

.nav-arrow:hover {
    background: linear-gradient(135deg, var(--chaos-white), #ccffff);
    box-shadow: 0 4px 10px rgba(0, 255, 255, 0.4);
    transform: scale(1.1);
}

.nav-arrow:active {
    background: var(--gradient-magenta);
    box-shadow: 0 2px 5px rgba(255, 0, 255, 0.4);
    transform: scale(0.95);
}

/* ========================================================================= */
/* Footer Styles */
/* ========================================================================= */
.app-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    color: var(--chaos-magenta);
    text-shadow: 0 0 3px var(--chaos-cyan);
    font-size: var(--font-size-base);
    padding: 0.75rem var(--padding-medium);
    background: linear-gradient(90deg, var(--chaos-dark), var(--chaos-gray));
    z-index: 5;
    box-shadow: 0 -2px 10px rgba(0, 255, 255, 0.3);
}

/* ========================================================================= */
/* Overlay Styles */
/* ========================================================================= */
.feedback {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient-dark);
    border: var(--border-width) solid var(--chaos-cyan);
    padding: 1.5rem;
    box-shadow: 0 0 12px var(--chaos-cyan);
    color: var(--chaos-magenta);
    text-shadow: 0 0 6px var(--chaos-cyan);
    font-size: 1.3rem;
    text-align: center;
    display: none;
    z-index: 12;
    border-radius: 8px;
}

.about-box {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient-dark);
    border: var(--border-width) solid var(--chaos-cyan);
    padding: 1.5rem;
    box-shadow: 0 0 12px var(--chaos-cyan);
    color: var(--chaos-magenta);
    text-shadow: 0 0 6px var(--chaos-cyan);
    font-size: 1.2rem;
    text-align: center;
    display: none;
    z-index: 20;
    border-radius: 8px;
    animation: fadeIn 0.3s ease-in;
}

.about-content {
    position: relative;
    text-align: center;
}

.about-box pre {
    margin: 0 auto;
    white-space: pre-wrap;
    display: inline-block;
    text-align: left;
}

.about-box pre a {
    color: var(--chaos-cyan);
    text-decoration: underline;
}

#close-about {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    font-size: var(--font-size-base);
    background: var(--gradient-magenta);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.rainbow-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-rainbow);
    opacity: 0;
    z-index: 15;
    pointer-events: none;
    animation: rainbowFlash 5s ease-out forwards;
}

@keyframes rainbowFlash {
    0% { opacity: 0; }
    10% { opacity: 0.7; }
    20% { opacity: 0.4; }
    30% { opacity: 0.6; }
    40% { opacity: 0.3; }
    50% { opacity: 0.5; }
    60% { opacity: 0.2; }
    70% { opacity: 0.4; }
    80% { opacity: 0.1; }
    90% { opacity: 0.3; }
    100% { opacity: 0; }
}