:root {
    --primary-color: #6a0dad;
    --primary-hover: #4a0975;
    --text-color: #333;
    --bg-gradient-start: #f8f5f2;
    --bg-gradient-end: #f0f0f0;
    --blob1-color: #ff00ff;
    --blob2-color: #00ffff;
    --container-bg: rgba(255, 255, 255, 0.4);
    --container-border: rgba(255, 255, 255, 0.2);
    --input-bg: rgba(255, 255, 255, 0.5);
    --button-bg: var(--primary-color);
}

body.dark {
    --primary-color: #9b59b6;
    --primary-hover: #8e44ad;
    --text-color: #f0f0f0;
    --bg-gradient-start: #1a1a2e;
    --bg-gradient-end: #16213e;
    --blob1-color: #e94560;
    --blob2-color: #0f3460;
    --container-bg: rgba(0, 0, 0, 0.2);
    --container-border: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(0, 0, 0, 0.2);
    --button-bg: var(--primary-color);
}

body {
    font-family: 'Poppins', sans-serif;
    background-image: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    overflow: hidden;
    position: relative;
    transition: background-color 0.3s, color 0.3s;
}

.blob {
    position: absolute;
    opacity: 0.5;
    filter: blur(100px);
    border-radius: 50%;
}

.blob1 {
    height: 300px;
    width: 300px;
    background: var(--blob1-color);
    top: -50px;
    left: -50px;
}

.blob2 {
    height: 250px;
    width: 250px;
    background: var(--blob2-color);
    bottom: -100px;
    right: -100px;
}

.container {
    background-color: var(--container-bg);
    padding: 2rem;
    border-radius: 1.5rem;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--container-border);
    text-align: center;
    width: 90%;
    max-width: 500px;
    z-index: 1;
}

h1 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

p {
    color: var(--text-color);
}

.input-container {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

input[type="date"],
input[type="time"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid transparent;
    border-radius: 0.5rem;
    background-color: var(--input-bg);
    color: var(--text-color);
    font-family: inherit;
    box-sizing: border-box;
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
    filter: invert(var(--text-color-invert, 0));
}

body.dark input[type="date"]::-webkit-calendar-picker-indicator,
body.dark input[type="time"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

button {
    background-color: var(--button-bg);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s;
    font-family: inherit;
    font-weight: 600;
}

button:hover {
    background-color: var(--primary-hover);
}

#fortune-result {
    margin-top: 1.5rem;
    font-size: 1.1rem;
    font-weight: bold;
    min-height: 2rem;
}

/* Theme Switcher */
.theme-switch-container {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 2;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

#fortune-container {
    display: none;
}

#fortune-image {
    max-width: 100%;
    border-radius: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}