:root {
    --bg-color: #f4f0ea;
    --text-main: #111111;
    --border-color: #111111;
    --accent-yellow: #ffde59;
    --accent-red: #ff3131;
    --accent-blue: #38b6ff;
    --shadow-hard: 6px 6px 0px var(--border-color);
    --shadow-hard-hover: 2px 2px 0px var(--border-color);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Space Grotesk', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    background-image: radial-gradient(#d5d1c9 1px, transparent 0);
    background-size: 20px 20px;
}

/* Layout & Containers */
.container {
    width: 100%;
    max-width: 650px;
    position: relative;
    z-index: 1;
}

.brutal-card {
    background: #ffffff;
    border: 4px solid var(--border-color);
    box-shadow: var(--shadow-hard);
    padding: 2.5rem;
    border-radius: 0;
}

/* Screens & Transitions */
.screen {
    display: none;
    flex-direction: column;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.screen.active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

/* Typography */
h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: -1px;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.subtitle {
    font-size: 1.2rem;
    line-height: 1.5;
    margin-bottom: 2.5rem;
    font-weight: 600;
}

/* Buttons */
.brutal-btn {
    display: inline-block;
    background: #ffffff;
    border: 3px solid var(--border-color);
    box-shadow: var(--shadow-hard);
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    cursor: pointer;
    text-transform: uppercase;
    text-decoration: none;
    text-align: center;
    transition: all 0.1s ease;
}

.brutal-btn:hover {
    transform: translate(4px, 4px);
    box-shadow: var(--shadow-hard-hover);
}

.primary-btn {
    background: var(--accent-yellow);
    width: 100%;
}

.cta-btn {
    background: var(--accent-red);
    color: white;
    width: 100%;
    margin-top: 1rem;
}

/* Quiz UI */
.progress-bar {
    width: 100%;
    height: 15px;
    background: #fff;
    border: 3px solid var(--border-color);
    margin-bottom: 2rem;
    position: relative;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-blue);
    border-right: 3px solid var(--border-color);
    transition: width 0.3s ease;
}

.question-header {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1rem;
    background: var(--accent-yellow);
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border: 2px solid var(--border-color);
}

.options-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.option-btn {
    background: #fff;
    border: 3px solid var(--border-color);
    box-shadow: 4px 4px 0px var(--border-color);
    padding: 1.2rem;
    color: var(--text-main);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: all 0.1s ease;
}

.option-btn:hover {
    background: var(--accent-yellow);
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0px var(--border-color);
}

/* Loader */
.loader-card {
    text-align: center;
}

.blink {
    animation: blinker 1s linear infinite;
}

@keyframes blinker {
    50% { opacity: 0; }
}

/* Result Screen */
.result-header {
    text-align: center;
    margin-bottom: 2rem;
}

.badge {
    background: var(--border-color);
    color: #fff;
    padding: 0.3rem 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 1rem;
}

#result-title {
    background: var(--accent-yellow);
    display: inline-block;
    padding: 0 1rem;
    border: 4px solid var(--border-color);
    box-shadow: var(--shadow-hard);
    margin-bottom: 1.5rem;
    transition: all 0.1s ease;
}

.diagnosis-link:hover #result-title {
    transform: translate(4px, 4px);
    box-shadow: var(--shadow-hard-hover);
}

.result-description {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.5;
}

.solution-card {
    background: var(--accent-blue);
    color: var(--text-main);
}

.solution-card h3 {
    background: #fff;
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border: 2px solid var(--border-color);
}

.code-preview {
    background: #fff;
    border: 3px solid var(--border-color);
    margin: 1.5rem 0;
    position: relative;
}

.code-header {
    background: var(--border-color);
    color: #fff;
    padding: 0.5rem;
    font-family: monospace;
    font-weight: bold;
}

.code-blur {
    padding: 1.5rem;
    position: relative;
    background: #fff;
}

.code-blur code {
    font-family: monospace;
    font-weight: 600;
    color: #000;
    font-size: 1rem;
    line-height: 1.5;
    filter: blur(5px);
    user-select: none;
}

.blur-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.3);
}

.lock-icon {
    font-size: 3rem;
}

@media (max-width: 600px) {
    .container { padding: 1rem; }
    .brutal-card { padding: 1.5rem; }
    h1 { font-size: 2rem; }
}

.share-btn {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 1rem;
    background: #000;
    color: #fff;
    border: 3px solid #000;
    text-decoration: none;
    padding: 1rem;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 4px 4px 0px #1da1f2;
    transition: all 0.1s ease;
}

.share-btn:hover {
    transform: translate(4px, 4px);
    box-shadow: 0px 0px 0px #1da1f2;
}