:root {
    --primary-color: #ccff00; /* Neon Lime - High Energy */
    --accent-color: #a3cc00;  /* Energetic Green */
    --bg-color: #0f1115;      /* Deep Dark Background */
    --surface-color: #1c1f26; /* Surface/Card Dark Grey */
    --border-color: #2d333f;  /* Subtle Dark Border */
    --text-primary: #ffffff;  /* Pure White for readability */
    --text-secondary: #9ca3af; /* Muted Grey for details */
    --success-color: #10b981; /* Success Green */
    --primary-light: rgba(204, 255, 0, 0.1);
}

/* Base Styles */
* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* Layout */
header {
    height: 64px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    background: var(--bg-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    z-index: 100;
}

.header-title {
    font-weight: 800;
    font-size: 18px;
    color: var(--primary-color);
    letter-spacing: -0.5px;
    margin: 0 auto;
    text-transform: uppercase;
}

#main-container {
    max-width: 550px;
    margin: 40px auto;
    padding: 32px;
    background: var(--surface-color);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    border: 1px solid var(--border-color);
}

@media (max-width: 600px) {
    #main-container {
        margin: 0;
        border-radius: 0;
        box-shadow: none;
        border: none;
        padding: 32px 20px;
    }
}

/* Components */
.text-center { text-align: center; }

.mb-30 { margin-bottom: 30px; }
.mb-20 { margin-bottom: 20px; }

.section-hero {
    padding: 10px 0;
}

.profile-circle {
    width: 110px;
    height: 110px;
    background: var(--primary-light);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px var(--primary-light);
}

.profile-inner {
    font-size: 50px;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.feature-card {
    text-align: left;
    background: var(--surface-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.feature-item {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-icon {
    margin-right: 16px;
    font-size: 20px;
    min-width: 24px;
    text-align: center;
}

.feature-text {
    font-size: 15px;
    color: var(--text-primary);
}

.feature-text b {
    color: var(--primary-color);
}

/* Quiz UI */
.step-count {
    font-size: 12px;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.speed-warning {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

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

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    margin-bottom: 32px;
    border-radius: 4px;
    overflow: hidden;
}

#progress-fill {
    width: 0%;
    height: 100%;
    background: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

h1 {
    font-size: 32px;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -1px;
    text-transform: uppercase;
}

h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.3;
    color: var(--text-primary);
}

.options-grid {
    display: grid;
    gap: 12px;
}

.option-btn {
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    padding: 20px;
    border-radius: 14px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    color: var(--text-primary);
    width: 100%;
    transition: all 0.2s ease;
    outline: none;
}

.option-btn:hover {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
}

.option-btn:active {
    transform: translateY(1px);
    background-color: rgba(204, 255, 0, 0.15);
}

/* Forms & Buttons */
.ig-input {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-color);
    color: var(--text-primary);
    margin-bottom: 16px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.ig-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.ig-button {
    background: var(--primary-color);
    color: #000000;
    border: none;
    width: 100%;
    padding: 18px;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.ig-button:hover {
    background: var(--accent-color);
    box-shadow: 0 0 20px rgba(204, 255, 0, 0.4);
    transform: translateY(-2px);
}

/* Report Preview */
.report-preview-box {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    text-align: left;
}

.preview-title {
    margin-bottom: 16px;
    font-weight: 800;
    color: var(--primary-color);
    font-size: 14px;
    text-transform: uppercase;
    display: block;
    letter-spacing: 1px;
}

.preview-item {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

.preview-item:last-child {
    margin-bottom: 0;
}

.preview-emoji {
    margin-right: 12px;
    font-size: 18px;
}

.preview-text {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Results Area */
.qr-code-placeholder {
    width: 200px;
    height: 200px;
    background: #ffffff;
    margin: 24px auto;
    border: 4px solid var(--primary-color);
    border-radius: 20px;
    padding: 12px;
    box-shadow: 0 0 20px rgba(204, 255, 0, 0.2);
}

.qr-code-placeholder img {
    width: 100%;
    height: 100%;
}

.price-tag {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.pix-copy-area {
    background: var(--surface-color);
    border: 2px dashed var(--border-color);
    border-radius: 20px;
    padding: 24px;
    margin-top: 20px;
}

.pix-code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    color: var(--text-secondary);
    word-break: break-all;
    margin-bottom: 20px;
    display: block;
    padding: 12px;
    background: var(--bg-color);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.copy-btn {
    background: var(--primary-color);
    color: #000000;
    border: none;
    padding: 18px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 800;
    width: 100%;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.copy-btn:hover {
    background: var(--accent-color);
    box-shadow: 0 0 15px rgba(204, 255, 0, 0.3);
}

#copy-status {
    font-size: 14px;
    color: var(--success-color);
    font-weight: 700;
    display: none;
    margin-top: 12px;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 0, 0, .1);
    border-top-color: #000;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
    vertical-align: middle;
    margin-right: 10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Reset Link Styles */
a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
}

a:hover {
    text-decoration: underline;
    text-shadow: 0 0 5px var(--primary-light);
}

small {
    display: block;
    margin-top: 15px;
    font-size: 11px;
    color: var(--text-secondary);
}