:root {
    --bg-color: #050505;
    --text-color: #e0e0e0;
    --primary-color: #9d00ff; /* Neon Purple */
    --secondary-color: #6200ea; /* Deep Purple */
    --accent-color: #d500f9; /* Magenta Accent */
    --success-color: #00e676;
    --error-color: #ff1744;
    --card-bg: #0f0f0f;
    --border-color: #333;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Segoe UI', 'Roboto', sans-serif;
    overflow: hidden;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Background Canvas */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
}

/* --- Intro Animation (HUD Style) --- */
.intro-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    background-color: var(--bg-color);
    transition: opacity 0.8s ease;
}

.hud-wrapper {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid transparent;
    box-sizing: border-box;
}

.ring-1 {
    width: 100%;
    height: 100%;
    border-top-color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    opacity: 0.5;
}

.ring-2 {
    width: 80%;
    height: 80%;
    border-left-color: var(--accent-color);
    border-right-color: var(--accent-color);
    opacity: 0.7;
}

.ring-3 {
    width: 60%;
    height: 60%;
    border: 1px dashed var(--secondary-color);
    opacity: 0.4;
}

.core {
    width: 20%;
    height: 20%;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--primary-color);
}

.logo-text {
    position: absolute;
    bottom: -60px;
    font-size: 1.5rem;
    letter-spacing: 8px;
    color: var(--text-color);
    text-transform: uppercase;
    font-weight: 300;
}

/* --- Enter Button --- */
.enter-btn-container {
    position: absolute;
    bottom: 40px;
    right: 40px;
    z-index: 2001;
}

.enter-btn {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 10px 30px;
    font-size: 1rem;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
}

.enter-btn:hover {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 0 15px var(--primary-color);
}

/* --- Dashboard --- */
.dashboard {
    opacity: 0;
    pointer-events: none; /* Disabled until active */
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    z-index: 10;
    transition: opacity 1s ease;
    height: 100%;
    box-sizing: border-box;
}

.dashboard.active {
    opacity: 1;
    pointer-events: all;
}

.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(157, 0, 255, 0.3);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-top: 0;
}

.feature-card p {
    color: #888;
    font-size: 0.9rem;
    line-height: 1.5;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

/* --- Tools Page Specifics --- */
.tool-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.tool-card {
    background: var(--card-bg);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary-color);
}

.output-box {
    background: #000;
    padding: 1rem;
    border: 1px solid #333;
    font-family: 'Courier New', monospace;
    color: var(--success-color);
    margin-top: 1rem;
    min-height: 50px;
    word-break: break-all;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    font-size: 1rem;
    margin-top: 1rem;
    transition: background 0.3s;
}

.btn-primary:hover {
    background: var(--secondary-color);
}

.back-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    cursor: pointer;
    margin-bottom: 2rem;
}

.back-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Custom Modal */
.custom-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #111;
    border: 1px solid var(--primary-color);
    padding: 2rem;
    z-index: 3000;
    box-shadow: 0 0 30px rgba(157, 0, 255, 0.2);
    text-align: center;
    display: none;
    min-width: 300px;
}

.custom-modal h3 {
    color: var(--primary-color);
    margin-top: 0;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 2999;
    display: none;
}