:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --primary: #8b5cf6;
    --secondary: #ec4899;
    --accent: #f59e0b;
    --wheel-size: 300px;
    --wheel-border: 8px;
    --font-main: 'Roboto Slab', serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-main);
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

.app-container {
    width: 100%;
    max-width: 480px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

h1 {
    font-weight: 900;
    font-size: 2.5rem;
    text-transform: uppercase;
    background: linear-gradient(to right, var(--secondary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.wheel-container {
    position: relative;
    width: var(--wheel-size);
    height: var(--wheel-size);
    margin: 20px 0;
    filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.3));
}

.pointer {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background-color: var(--text-color);
    clip-path: polygon(50% 100%, 0 0, 100% 0);
    z-index: 10;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}

.wheel {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: relative;
    border: var(--wheel-border) solid var(--text-color);
    transition: transform 4.5s cubic-bezier(0.1, 0.05, 0.1, 1);
    /* Conic gradient will be set by JS */
    background: conic-gradient(var(--wheel-gradient));
    overflow: hidden;
}

.segment {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    /* White separator line */
    background-color: rgba(255, 255, 255, 0.8);
    height: 50%;
    transform-origin: bottom center;
    /* Transformation is set by JS */
    display: flex;
    justify-content: center;
    padding-top: 20px;
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.2);
    pointer-events: none;
}

.segment span {
    display: block;
    transform: rotate(18deg);
    /* Center text in the slice */
    font-weight: 700;
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
    font-size: 1.2rem;
    writing-mode: vertical-rl;
    /* Or keep horizontal? Vertical might fit better. Let's try horizontal first with short text */
    writing-mode: initial;
    /* Actually for the wheel text usually follows the radius */
}

.spin-button {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    padding: 16px 48px;
    border-radius: 50px;
    color: white;
    font-weight: 900;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.spin-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    filter: grayscale(0.5);
}

/* Modal / Overlay */
.result-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 1;
    transition: opacity 0.3s;
    backdrop-filter: blur(5px);
}

.result-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.result-card {
    background: #1e293b;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    max-width: 90%;
    width: 320px;
    border: 2px solid var(--primary);
    transform: scale(1);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.result-overlay.hidden .result-card {
    transform: scale(0.8);
}

.result-card h2 {
    color: var(--accent);
    margin-bottom: 20px;
    font-size: 2rem;
}

.result-card p {
    font-size: 1.5rem;
    margin-bottom: 30px;
    line-height: 1.4;
    font-weight: 700;
    color: var(--text-color);
}

#close-result {
    background: transparent;
    border: 2px solid var(--text-color);
    color: var(--text-color);
    padding: 10px 30px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

#close-result:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

@media (max-width: 380px) {
    :root {
        --wheel-size: 260px;
    }
}

/* Extra Message Styling */
.result-card.extra-mode {
    background: linear-gradient(135deg, #4c1d95, #be185d);
    border: 4px solid #fbbf24;
    box-shadow: 0 0 40px rgba(251, 191, 36, 0.4);
    transform: scale(1.1);
}

.result-card.extra-mode h2 {
    color: #fbbf24;
    -webkit-text-stroke: 1px black;
    /* Make it pop */
    font-size: 2.5rem;
}

.result-card.extra-mode p {
    color: white;
    font-size: 1.8rem;
    font-weight: 900;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}