@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap');

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
    --glass: rgba(255, 255, 255, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg);
    background-image: 
        radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 2rem 1rem;
}

.container {
    width: 100%;
    max-width: 800px;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.survey-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.question-group {
    margin-bottom: 2.5rem;
    animation: fadeIn 0.5s ease forwards;
}

.question-label {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.options-grid {
    display: grid;
    gap: 0.75rem;
}

.option-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.option-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    transform: translateX(4px);
}

.option-item input[type="radio"],
.option-item input[type="checkbox"] {
    margin-right: 1rem;
    width: 1.2rem;
    height: 1.2rem;
    accent-color: var(--primary);
}

.other-input {
    margin-top: 0.5rem;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    padding: 0.5rem;
    width: 200px;
    outline: none;
    transition: border-color 0.2s;
}

.other-input:focus {
    border-color: var(--primary);
}

textarea {
    width: 100%;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    color: var(--text);
    font-family: inherit;
    resize: vertical;
    min-height: 120px;
    outline: none;
}

textarea:focus {
    border-color: var(--primary);
}

.nps-container {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    margin-top: 1rem;
}

.nps-item {
    flex: 1;
}

.nps-item input {
    display: none;
}

.nps-item label {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 3rem;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
}

.nps-item input:checked + label {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.nps-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

button[type="submit"] {
    width: 100%;
    padding: 1.25rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 1rem;
}

button[type="submit"]:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(99, 102, 241, 0.4);
}

.success-message {
    text-align: center;
    padding: 3rem;
}

.success-message h2 {
    color: #4ade80;
    margin-bottom: 1rem;
}

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

/* Admin Styles */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
}

.admin-table th, .admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-primary { background: rgba(99, 102, 241, 0.2); color: #818cf8; }

@media (max-width: 640px) {
    .nps-container {
        flex-wrap: wrap;
    }
    .nps-item {
        flex: unset;
        width: 18%;
    }
}