:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --bg-dark: #0f172a;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --success: #10b981;
    --danger: #ef4444;
}

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

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

/* Dynamic Background */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 10s infinite ease-in-out;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: #4f46e5;
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: #ec4899;
    bottom: -50px;
    right: -50px;
    animation-delay: 2s;
}

.blob-3 {
    width: 200px;
    height: 200px;
    background: #06b6d4;
    top: 40%;
    left: 40%;
    animation-delay: 5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

/* Glass Container */
.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    margin: 20px;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ai-badge {
    background: rgba(99, 102, 241, 0.2);
    color: #818cf8;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
    vertical-align: middle;
    -webkit-text-fill-color: #818cf8; /* Reset for badge */
}

header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Form Styles */
.input-group {
    margin-bottom: 1.25rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input, select {
    width: 100%;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 0.85rem 1rem;
    color: var(--text);
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

input:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

select {
    appearance: none;
    cursor: pointer;
}

button {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.4);
}

button:active {
    transform: translateY(0);
}

/* Result Card */
.result-card {
    margin-top: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--glass-border);
    opacity: 1;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.result-card.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
    /* Actually hide it from layout flow if needed, but opacity transition is nicer */
    display: none; 
}

.icon-box {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

h3 {
    margin-bottom: 0.5rem;
}

#resultDesc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.stat-bar {
    width: 100%;
    height: 8px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.stat-fill {
    height: 100%;
    width: 0%;
    background: var(--success);
    transition: width 1s ease-out, background-color 0.3s ease;
}

.prob-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Loader */
.loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid #ffffff;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

@keyframes rotation {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.btn-loading .btn-text {
    visibility: hidden;
}

.btn-loading .loader {
    display: block;
}