:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #ff9a9e 0%, #fecfef 99%, #fecfef 100%);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --text-primary: #2d3436;
    --text-muted: #636e72;
}

body {
    font-family: 'Outfit', 'Inter', sans-serif;
    background: #f0f2f5;
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.bg-premium {
    background: var(--primary-gradient);
    color: white;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.25);
}

.btn-premium {
    background: var(--primary-gradient);
    border: none;
    color: white;
    padding: 10px 24px;
    border-radius: 12px;
    font-weight: 600;
    transition: opacity 0.3s ease;
}

.btn-premium:hover {
    opacity: 0.9;
    color: white;
}

.form-control {
    border-radius: 10px;
    border: 1px solid #dfe6e9;
    padding: 12px;
}

.form-control:focus {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.25);
    border-color: #667eea;
}

.navbar-brand {
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-link {
    font-weight: 500;
}

/* Stepper Buttons */
.stepper-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.stepper-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px !important;
    font-weight: bold;
    font-size: 1.2rem;
    line-height: 1;
    color: var(--text-primary);
    background: #fff;
    border: 1px solid #dfe6e9;
    transition: all 0.2s ease;
    user-select: none;
    cursor: pointer;
}

.stepper-btn:hover {
    background: #f8f9fa;
    border-color: #667eea;
}

.stepper-btn:active {
    transform: scale(0.9);
}

.day-input {
    width: 60px !important;
    text-align: center;
    padding: 4px 8px !important;
    font-weight: 600;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animated-fade {
    animation: fadeIn 0.8s ease forwards;
}