:root {
    --primary-color: #4361ee;
    --primary-dark: #3a56d4;
    --secondary-color: #FF9A3C;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --light-color: #f8f9fa;
    --dark-color: #2d3436;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.1);
    --border-radius: 0.5rem;
    --transition: all 0.3s ease;
}

.btnBuscar {
    padding: 0.75rem 1.25rem;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fb;
    color: var(--gray-700);
    min-height: 100vh;
}

/* Header Styles */
.header {
    background: white;
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.logo-img {
    width: 120px;
    height: auto;
    object-fit: contain;
}

.logo-container h1 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin: 0;
    font-weight: 600;
}

/* Main Content */
.main-content {
    padding: 2rem 0;
}

/* Header Actions */
.header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
}

.search-section {
    flex: 1;
    max-width: 500px;
}

/* Reserve Button */
.btn-reserve {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 1.1rem;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-reserve:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-reserve:hover:not(:disabled) {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-reserve i {
    font-size: 1.2rem;
}

/* Search Section */
.search-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.search-description {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--gray-700);
    font-size: 1.1rem;
    font-weight: 500;
}

.search-input-group {
    display: flex;
    gap: 0.5rem;
    width: 100%;
}

.search-input-group .form-control {
    flex: 1;
    border: 1px solid var(--gray-300);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.search-input-group .form-control:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

.search-input-group .btn {
    padding: 0.75rem 1.25rem;
    background-color: transparent;
    border: 1px solid var(--gray-300);
    color: var(--primary-color);
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-input-group .btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.search-input-group .btn i {
    font-size: 1.1rem;
}

/* Numbers Grid Container */
.numbers-grid-container {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    margin: 1rem auto;
    max-width: 1200px;
}

/* Numbers Grid */
.numbers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 1rem;
    padding: 1rem;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
    max-height: 600px;
    overflow-y: auto;
}

/* Number Item */
.number-item {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.number-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.number-item.selected {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Number Display */
.number-display {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    padding: 12px;
    background: white;
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.number-item:hover .number-display {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.number-item.selected .number-display {
    background: var(--primary-color);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

/* Selected Checkmark */
.number-item.selected::after {
    content: '\2713';
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 12px;
    color: white;
    background: rgba(255, 255, 255, 0.2);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

/* Hover Effect */
.number-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.number-item:hover::before {
    transform: translateX(100%);
}

/* Custom Scrollbar */
.numbers-grid::-webkit-scrollbar {
    width: 8px;
}

.numbers-grid::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

.numbers-grid::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

.numbers-grid::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* Number Card Styles */
.number-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.number-card:hover {
    box-shadow: var(--shadow);
}

.number-card .number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-800);
}

.number-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    opacity: 0.9;
}

.number-card:hover .number-actions {
    opacity: 1;
}

.number-card.reserved {
    background-color: var(--gray-100);
    cursor: not-allowed;
    opacity: 0.7;
}

.number-card.selected {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.number-card.selected .number-display {
    background-color: white;
    box-shadow: var(--shadow-sm);
}

.number-card.selected .number {
    color: var(--primary-color);
}

.add-number-btn,
.remove-number-btn {
    width: 100%;
    padding: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.add-number-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
}

.add-number-btn:hover {
    background-color: var(--primary-dark);
}

.remove-number-btn {
    background-color: var(--danger-color);
    color: white;
    border: none;
}

.remove-number-btn:hover {
    background-color: #c0392b;
}

.reserved-badge {
    background-color: var(--gray-500);
    color: white;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-block;
    width: 100%;
}

/* Modal Styles */
.modal-content {
    border-radius: var(--border-radius);
    border: none;
}

.modal-header {
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--gray-200);
    padding: 1rem 1.5rem;
}

/* Selected Numbers Counter */
.selected-numbers-counter {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 2px solid var(--primary-color);
}

.counter-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.counter-label {
    color: var(--gray-700);
    font-weight: 600;
    font-size: 1.1rem;
}

.counter-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.counter-max {
    color: var(--gray-600);
    font-weight: 500;
}

#reserveButton {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

#reserveButton:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

#reserveButton:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Selected Numbers List */
.selected-numbers-list {
    background: var(--gray-100);
    padding: 1rem;
    border-radius: var(--border-radius);
}

.selected-numbers {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.selected-number-tag {
    display: inline-flex;
    align-items: center;
    background-color: var(--primary-color);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    margin: 5px;
    font-size: 0.9rem;
}

.selected-number-tag .remove-number {
    margin-left: 8px;
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    opacity: 0.8;
}

.selected-number-tag .remove-number:hover {
    opacity: 1;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .numbers-grid-container {
        margin: 1rem;
    }

    .numbers-grid {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    }

    .logo-img {
        width: 100px;
    }

    .logo-container h1 {
        font-size: 2.25rem;
    }
}

@media (max-width: 992px) {
    .numbers-grid {
        grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
    }

    .logo-img {
        width: 90px;
    }

    .logo-container h1 {
        font-size: 2rem;
    }

    .selected-numbers-counter {
        padding: 1.25rem;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 1rem 0;
    }

    .numbers-grid-container {
        padding: 1.5rem;
        margin: 0.75rem;
    }

    .numbers-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 0.75rem;
        padding: 0.75rem;
    }

    .number-item {
        padding: 0.75rem;
    }

    .logo-img {
        width: 80px;
    }

    .logo-container h1 {
        font-size: 1.75rem;
    }

    .selected-numbers-counter {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 1rem;
    }

    .counter-container {
        justify-content: center;
    }

    .btn-reserve {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .numbers-grid-container {
        padding: 1rem;
        margin: 0.5rem;
    }

    .numbers-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
        gap: 0.5rem;
        padding: 0.5rem;
    }

    .number-item {
        padding: 0.5rem;
        font-size: 0.9rem;
    }

    .logo-img {
        width: 70px;
    }

    .logo-container h1 {
        font-size: 1.5rem;
    }

    .selected-numbers-counter {
        padding: 0.75rem;
    }

    .counter-label {
        font-size: 1rem;
    }

    .counter-value {
        font-size: 1.25rem;
    }

    .btn-reserve {
        padding: 0.625rem 1rem;
        font-size: 1rem;
    }
}

@media (max-width: 360px) {
    .numbers-grid {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    }

    .number-item {
        padding: 0.4rem;
        font-size: 0.85rem;
    }

    .logo-img {
        width: 60px;
    }

    .logo-container h1 {
        font-size: 1.25rem;
    }

    .selected-numbers-counter {
        padding: 0.5rem;
    }

    .counter-label {
        font-size: 0.9rem;
    }

    .counter-value {
        font-size: 1.1rem;
    }

    .btn-reserve {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
}

/* Ensure modal is responsive */
.modal-dialog {
    max-width: 500px;
    margin: 1.75rem auto;
}

@media (max-width: 576px) {
    .modal-dialog {
        margin: 0.5rem;
    }
}

/* Ensure form inputs are responsive */
.form-control {
    height: auto;
    min-height: 38px;
}

/* Ensure buttons maintain touch target size */
.btn {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Error Message - Simplified */
.error-message {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: #dc3545;
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

/* Remove all animation keyframes and classes */
@keyframes pulse {
    0% { transform: scale(1); }
    100% { transform: scale(1); }
}

@keyframes slideIn {
    0% { transform: translateX(0); }
    100% { transform: translateX(0); }
}

/* Counter Animation */
#selectedCount {
    transition: transform 0.3s ease;
}