/* ============================================
   SCHWIMM-EVENT - Komponenten
   Buttons, Formulare, Cards, Alerts
   ============================================ */

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: var(--touch-target-min);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    user-select: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Button Varianten */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

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

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

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-primary-light);
}

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

.btn-success:hover:not(:disabled) {
    background-color: #1B5E20;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #8B0000;
}

/* Button Größen */
.btn-lg {
    min-height: 56px;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

/* ============================================
   FORMULARE
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-gray-700);
}

.form-label.required::after {
    content: " *";
    color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    min-height: var(--touch-target-min);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.2);
    outline: none;
}

.form-input.error,
.form-select.error {
    border-color: var(--color-error);
}

.form-input.error:focus,
.form-select.error:focus {
    box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.2);
}

.form-hint {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.form-error {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-error);
    font-weight: 500;
}

/* Radio Buttons & Checkboxen - Groß für Touch */
.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.radio-item,
.checkbox-item {
    position: relative;
    display: flex;
    align-items: center;
    min-height: var(--touch-target-min);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.radio-item:hover,
.checkbox-item:hover {
    border-color: var(--color-primary);
    background-color: var(--color-gray-50);
}

.radio-item input,
.checkbox-item input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

/* Standard-Checkboxen sichtbar (z.B. in Dropdown-Menüs) */
.column-toggle-item input[type="checkbox"],
.filter-checkbox input[type="checkbox"] {
    position: static !important;
    opacity: 1 !important;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.radio-item input:checked + .radio-label,
.checkbox-item input:checked + .checkbox-label {
    color: var(--color-primary);
    font-weight: 600;
}

.radio-item:has(input:checked),
.checkbox-item:has(input:checked) {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
    pointer-events: none;
}

.radio-label::before {
    content: "";
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-gray-400);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.radio-item:has(input:checked) .radio-label::before {
    border-color: var(--color-primary);
    background: radial-gradient(circle, var(--color-primary) 40%, transparent 40%);
}

/* ============================================
   KATEGORIE-AUSWAHL (große Buttons)
   ============================================ */
.category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.category-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: 100px;
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border: 3px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.category-btn:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.category-btn.selected {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.category-btn .icon {
    font-size: 2rem;
}

.category-btn .label {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-700);
}

.category-btn.selected .label {
    color: var(--color-primary-dark);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-lg);
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.card-header h2,
.card-header h3 {
    margin: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    background-color: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
}

/* ============================================
   ALERTS / MELDUNGEN
   ============================================ */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-icon {
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.alert-success {
    background-color: #E8F5E9;
    border: 2px solid var(--color-success);
    color: var(--color-success);
}

.alert-error {
    background-color: #FFEBEE;
    border: 2px solid var(--color-error);
    color: var(--color-error);
}

.alert-warning {
    background-color: #FFF8E1;
    border: 2px solid var(--color-warning);
    color: #E65100;
}

.alert-info {
    background-color: #E3F2FD;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

/* ============================================
   SUCCESS MODAL / ERGEBNIS-ANZEIGE
   ============================================ */
.success-box {
    text-align: center;
    padding: var(--spacing-2xl);
}

.success-box .checkmark {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background-color: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.success-box .swimmer-id {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    background-color: var(--color-primary-light);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    display: inline-block;
    margin: var(--spacing-md) 0;
}

.success-box p {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
}

/* ============================================
   DIVIDER / TRENNLINIE
   ============================================ */
.divider {
    height: 1px;
    background-color: var(--color-gray-200);
    margin: var(--spacing-xl) 0;
}

.divider-text {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.divider-text::before,
.divider-text::after {
    content: "";
    flex: 1;
    height: 1px;
    background-color: var(--color-gray-300);
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    z-index: 1000;
}

/* ============================================
   MODAL / DIALOG
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    z-index: 1001;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 450px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-content h2 {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-800);
}

.modal-content p {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-600);
    font-size: var(--font-size-base);
}

.modal-content .btn {
    margin-top: var(--spacing-md);
    min-width: 150px;
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.modal-icon.warning {
    color: var(--color-warning);
}

.modal-icon.error {
    color: var(--color-error);
}

.modal-icon.success {
    color: var(--color-success);
}

.swimmer-id-display {
    background-color: var(--color-primary-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xl);
    color: var(--color-primary-dark);
}

/* ============================================
   GRUPPEN-AUSWAHL DROPDOWN
   ============================================ */
.group-select-wrapper {
    position: relative;
}

.group-select-dropdown {
    max-height: 250px;
    overflow-y: auto;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background-color: var(--color-white);
}

.group-option {
    padding: var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--color-gray-100);
    transition: background-color var(--transition-fast);
}

.group-option:last-child {
    border-bottom: none;
}

.group-option:hover {
    background-color: var(--color-gray-50);
}

.group-option.selected {
    background-color: var(--color-primary-light);
}

.group-option .group-name {
    font-weight: 600;
    color: var(--color-gray-800);
}

.group-option .group-members {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

/* Neues Team erstellen */
.create-new-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-gray-50);
    border-top: 2px dashed var(--color-gray-300);
    cursor: pointer;
    color: var(--color-primary);
    font-weight: 600;
}

.create-new-option:hover {
    background-color: var(--color-primary-light);
}