body {
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #f4f7f6;
    color: #333;
}

.navbar {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%) !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 0.5px;
}

.footer {
    margin-top: auto;
    background: #fff;
    padding: 20px 0;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}

/* Number Grid Styling */
.number-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 15px;
    margin-top: 30px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .number-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 10px;
    }
}

.number-btn {
    width: 100%;
    aspect-ratio: 1/1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border: none;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.number-btn.available {
    background: radial-gradient(circle at 30% 30%, #ffffff, #e0e0e0);
    color: #333;
    border: 2px solid #ccc;
    text-shadow: none;
}

.number-btn.available:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
    background: radial-gradient(circle at 30% 30%, #4facfe, #00f2fe);
    color: white;
    border-color: #00f2fe;
}

.number-btn.taken {
    background: radial-gradient(circle at 30% 30%, #f5576c, #f093fb);
    color: white;
    opacity: 0.6;
    cursor: not-allowed;
    border: none;
}

.number-btn.selected {
    background: radial-gradient(circle at 30% 30%, #43e97b, #38f9d7);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(56, 249, 215, 0.6);
    border: none;
}

/* Dashboard Cards */
.card-counter {
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    background: #fff;
    transition: transform 0.3s ease;
    border: none;
}

.card-counter:hover {
    transform: translateY(-5px);
}

.card-counter .fa {
    font-size: 3.5rem;
    opacity: 0.15;
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
}

.card-counter .count-name {
    font-weight: 600;
    text-transform: uppercase;
    color: #6c757d;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.card-counter .count-numbers {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-top: 10px;
}

/* General Layout Improvements */
.container {
    padding-bottom: 40px;
}

h1, h2, h3 {
    font-weight: 700;
    color: #1e3c72;
}

.card {
    border-radius: 15px;
    border: none;
    box-shadow: 0 6px 15px rgba(0,0,0,0.05);
}

.card-header {
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    border-radius: 15px 15px 0 0 !important;
    padding: 20px;
}

.btn-primary {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    border: none;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 242, 254, 0.4);
}