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

:root {
    --primary-color: #8B0000;
    --secondary-color: #2c3e50;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --info-color: #3498db;
    --warning-color: #f39c12;
    --light-bg: #ecf0f1;
    --dark-bg: #34495e;
    --text-color: #2c3e50;
    --border-color: #bdc3c7;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 10px;
    color: var(--text-color);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary-color), #a52a2a);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    background: var(--light-bg);
    padding: 10px;
    gap: 5px;
    overflow-x: auto;
    border-bottom: 2px solid var(--border-color);
    -webkit-overflow-scrolling: touch;
}

.tab-btn {
    padding: 12px 20px;
    border: none;
    background: white;
    color: var(--text-color);
    cursor: pointer;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
    font-size: 0.9rem;
    min-height: 44px; /* Touch-friendly */
}

.tab-btn:hover {
    background: var(--primary-color);
    color: white;
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow);
}

/* Main Content */
main {
    padding: 20px;
    min-height: 400px;
}

.view {
    display: none;
}

.view.active {
    display: block;
}

/* Toolbar */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.toolbar h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toolbar-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

/* Buttons - Touch Friendly */
.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-family: inherit;
    min-height: 44px; /* Touch-friendly */
    justify-content: center;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-info {
    background: var(--info-color);
    color: white;
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-sm {
    padding: 8px 12px;
    font-size: 0.85rem;
    min-height: 36px;
}

/* Card Grid Layout - Mobile First */
.players-grid,
.attendees-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

@media (min-width: 768px) {
    .players-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .players-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Player Card */
.player-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.player-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.player-card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 15px;
}

.player-card-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.player-card-nickname {
    font-size: 0.9rem;
    color: #7f8c8d;
    font-style: italic;
}

.player-card-actions {
    display: flex;
    gap: 5px;
}

.player-card-body {
    margin-top: 15px;
}

.player-card-field {
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.player-card-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #7f8c8d;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.player-card-value {
    font-size: 0.95rem;
    color: var(--text-color);
}

.player-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    background: #e3f2fd;
    color: #1976d2;
}

/* Attendee Card */
.attendee-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.attendee-card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 15px;
}

.attendee-card-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-color);
}

.attendee-card-nickname {
    font-size: 0.85rem;
    color: #7f8c8d;
}

.attendee-card-body {
    display: grid;
    gap: 12px;
    margin-top: 15px;
}

.attendee-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.attendee-field-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #7f8c8d;
    font-weight: 600;
}

/* Dropdown Select - Touch Friendly */
.field-select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    background: white;
    cursor: pointer;
    min-height: 44px; /* Touch-friendly */
    transition: border-color 0.2s ease;
}

.field-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.field-input {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    min-height: 44px; /* Touch-friendly */
}

.field-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Activity Badges */
.activity-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.activity-consistent {
    background: #d4edda;
    color: #155724;
}

.activity-casual {
    background: #d1ecf1;
    color: #0c5460;
}

.activity-rarely {
    background: #fff3cd;
    color: #856404;
}

.activity-inactive {
    background: #f8d7da;
    color: #721c24;
}

/* Registration Badges */
.registration-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.registration-signed {
    background: #d4edda;
    color: #155724;
}

.registration-late {
    background: #fff3cd;
    color: #856404;
    border: 2px solid #ffc107;
}

.registration-tentative {
    background: #d1ecf1;
    color: #0c5460;
}

.registration-unavailable {
    background: #f8d7da;
    color: #721c24;
}

.registration-inactive {
    background: #e2e3e5;
    color: #383d41;
}

/* Payment Badge */
.payment-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    background: #e3f2fd;
    color: #1976d2;
}

/* Action Buttons in Cards */
.action-btn {
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-height: 36px;
}

.action-btn:active {
    transform: scale(0.95);
}

.edit-btn {
    background: var(--info-color);
    color: white;
}

.delete-btn {
    background: var(--danger-color);
    color: white;
}

.remove-btn {
    background: var(--danger-color);
    color: white;
}

.history-btn {
    background: var(--secondary-color);
    color: white;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #95a5a6;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.2rem;
}

/* Modal - Mobile Optimized */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    overflow-y: auto;
    padding: 10px;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 50px;
}

.modal-content {
    background: white;
    border-radius: 15px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 20px;
    border-bottom: 2px solid var(--light-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
}

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: #95a5a6;
    transition: color 0.2s ease;
    min-width: 44px;
    min-height: 44px;
}

.close-btn:active {
    color: var(--danger-color);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 2px solid var(--light-bg);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

/* Form */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
    min-height: 44px; /* Touch-friendly */
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Event Info */
.event-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 30px;
}

@media (min-width: 768px) {
    .event-info {
        grid-template-columns: repeat(2, 1fr);
    }
}

.info-card {
    background: var(--light-bg);
    padding: 15px;
    border-radius: 10px;
}

.info-card label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

/* History Container */
.history-container {
    display: grid;
    gap: 20px;
}

.event-card {
    background: var(--light-bg);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.event-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.event-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.event-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #7f8c8d;
}

.event-notes-display {
    background: white;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-style: italic;
}

.attendees-list {
    display: grid;
    gap: 10px;
}

.attendee-item {
    background: white;
    padding: 12px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.attendee-name {
    font-weight: 600;
    color: var(--text-color);
}

.attendee-info {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

/* Player History */
.player-history-search {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--light-bg);
    border-radius: 10px;
}

.player-history-search label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 1rem;
}

.player-history-content {
    display: grid;
    gap: 20px;
}

.player-history-header {
    background: var(--primary-color);
    color: white;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.player-history-header h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.player-history-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.95rem;
}

/* Player Select List */
.player-select-list {
    max-height: 400px;
    overflow-y: auto;
    margin-top: 15px;
}

.player-select-item {
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 60px;
}

.player-select-item:active {
    transform: scale(0.98);
    border-color: var(--success-color);
    background: #d4edda;
}

.player-select-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.player-select-name {
    font-weight: 600;
    font-size: 1rem;
}

.player-select-nickname {
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Tags Container (Multi-Select Checkboxes) */
.tags-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

.tag-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: background 0.2s ease;
    font-size: 0.95rem;
}

.tag-checkbox:hover {
    background: white;
}

.tag-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Player Phone Display */
.player-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #7f8c8d;
    font-size: 0.85rem;
}

/* Success Message */
.success-message {
    position: fixed;
    top: 20px;
    right: 20px;
    left: 20px;
    background: var(--success-color);
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    animation: slideInDown 0.3s ease;
    z-index: 2000;
    text-align: center;
}

@media (min-width: 768px) {
    .success-message {
        left: auto;
        right: 20px;
        max-width: 400px;
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-100px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Adjustments */
@media (max-width: 767px) {
    header {
        padding: 15px;
    }

    header h1 {
        font-size: 1.2rem;
    }

    main {
        padding: 15px;
    }

    .toolbar h2 {
        font-size: 1.2rem;
    }

    .btn {
        padding: 10px 15px;
        font-size: 0.85rem;
    }

    .player-card,
    .attendee-card {
        padding: 15px;
    }
}