.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #FF4800 0%, #CC3A00 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 72, 0, 0.3);
}

.btn-secondary {
    background: #E8E8E8;
    color: #35322F;
}

.btn-secondary:hover {
    background: #D9D9D9;
}

.btn-danger {
    background: #35322F;
    color: white;
}

.btn-danger:hover {
    background: #2A2724;
}

.btn-block {
    width: 100%;
}

.btn-large {
    padding: 12px 20px;
    font-size: 15px;
}

.btn-small {
    padding: 4px 10px;
    font-size: 11px;
    border-radius: 5px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: #35322F;
    font-weight: 500;
    font-size: 13px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #E8E8E8;
    border-radius: 8px;
    font-size: 13px;
    background: #FFFFFF;
    color: #35322F;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #FF4800;
    box-shadow: 0 0 0 2px rgba(255, 72, 0, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.checkbox-group {
    display: flex;
    gap: 16px;
    margin: 12px 0;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: normal;
    font-size: 13px;
}

.alert {
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 13px;
}

.alert-error {
    background: #FFE5E0;
    color: #FF4800;
    border: 1px solid #FFC8B8;
}

.alert-success {
    background: #E8F5E9;
    color: #2E7D32;
    border: 1px solid #C8E6C9;
}

.alert-warning {
    background: #FFF5E0;
    color: #FF4800;
    border: 1px solid #FFE0B8;
}

.card {
    background: white;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border: 1px solid #E8E8E8;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #35322F;
}

.progress-container {
    margin: 10px 0;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 12px;
    color: #35322F;
    opacity: 0.7;
}

.progress-bar {
    height: 6px;
    background: #E8E8E8;
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #FF4800, #FF6B33);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 500;
}

.badge-success {
    background: #E8F5E9;
    color: #2E7D32;
}

.badge-warning {
    background: #FFF5E0;
    color: #FF4800;
}

.badge-info {
    background: #E8E8E8;
    color: #35322F;
}

.badge-danger {
    background: #FFE5E0;
    color: #FF4800;
}

.badge-secondary {
    background: #E8E8E8;
    color: #35322F;
    opacity: 0.7;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(53, 50, 47, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 16px;
    padding: 20px;
    max-width: 90%;
    width: 450px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content h2 {
    margin-bottom: 16px;
    font-size: 18px;
    color: #35322F;
}

.checkin-challenge-list {
    margin-top: 8px;
}

.checkin-challenge-item {
    padding: 12px;
    border: 2px solid #E8E8E8;
    border-radius: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.checkin-challenge-item:hover {
    border-color: #FF4800;
    background: #FFF5F0;
}

.checkin-challenge-item.selected {
    border-color: #FF4800;
    background: #FFF5F0;
}

.checkin-challenge-title {
    font-weight: 600;
    margin-bottom: 4px;
    color: #35322F;
    font-size: 14px;
}

.checkin-challenge-meta {
    font-size: 11px;
    color: #666;
}

.checkin-photo-preview {
    margin-top: 8px;
    max-width: 100%;
    border-radius: 8px;
    display: none;
}

.checkin-photo-required {
    color: #FF4800;
    font-size: 11px;
    margin-left: 4px;
}

.checkin-today-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #E8E8E8;
}

.checkin-today-item:last-child {
    border-bottom: none;
}

.checkin-today-time {
    font-weight: 500;
    font-size: 13px;
    color: #35322F;
}

.checkin-today-value {
    font-size: 11px;
    color: #666;
    margin-top: 2px;
}

.checkin-today-status {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 14px;
    font-size: 10px;
    background: #FFF3E0;
    color: #FF9800;
}

.checkin-today-status.approved {
    background: #E8F5E9;
    color: #2E7D32;
}

.side-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: white;
    z-index: 1001;
    transition: right 0.3s ease;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.side-menu.open {
    right: 0;
}

.side-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: none;
}

.side-menu-overlay.open {
    display: block;
}

.side-menu-header {
    background: linear-gradient(135deg, #FF4800 0%, #CC3A00 100%);
    padding: 16px 20px;
    color: white;
    position: relative;
    flex-shrink: 0;
}

.side-menu-header h3 {
    font-size: 18px;
    margin-bottom: 4px;
}

.side-menu-header p {
    font-size: 11px;
    opacity: 0.8;
}

.side-menu-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    font-size: 16px;
    cursor: pointer;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s;
}

.side-menu-close:hover {
    background: rgba(255,255,255,0.3);
}

.side-menu-content {
    padding: 12px 16px;
    flex: 1;
    overflow-y: auto;
    padding-bottom: 20px;
}

.side-menu-section {
    margin-bottom: 16px;
}

.side-menu-section-title {
    font-weight: 600;
    font-size: 11px;
    color: #FF4800;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.side-menu-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.side-menu-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: #F5F5F5;
    border-radius: 8px;
    text-decoration: none;
    color: #35322F;
    font-size: 13px;
    transition: all 0.3s;
}

.side-menu-link:hover {
    background: #FFF5F0;
    color: #FF4800;
}

.side-menu-link-icon {
    font-size: 16px;
    width: 22px;
    text-align: center;
}

.side-menu-divider {
    height: 1px;
    background: #E8E8E8;
    margin: 10px 0;
}

.side-menu-footer {
    padding: 8px 0 20px 0;
    margin-top: 4px;
    border-top: 1px solid #E8E8E8;
}

.side-menu-footer .side-menu-link {
    background: #FFE5E0;
    color: #FF4800;
}

.side-menu-footer .side-menu-link:hover {
    background: #FFD4CC;
}

@media (max-width: 768px) {
    .side-menu {
        width: 80%;
    }
    .side-menu-header {
        padding: 14px 16px;
    }
    .side-menu-header h3 {
        font-size: 16px;
    }
    .side-menu-content {
        padding: 10px 12px;
        padding-bottom: 30px;
    }
    .side-menu-section {
        margin-bottom: 12px;
    }
    .side-menu-section-title {
        font-size: 10px;
        margin-bottom: 4px;
    }
    .side-menu-link {
        padding: 6px 8px;
        gap: 8px;
        font-size: 12px;
    }
    .side-menu-link-icon {
        font-size: 14px;
        width: 20px;
    }
    .side-menu-divider {
        margin: 8px 0;
    }
    .side-menu-footer {
        padding: 6px 0 25px 0;
    }
}

@media (min-width: 769px) {
    .side-menu {
        max-width: 360px;
    }
    .side-menu-link {
        padding: 10px 12px;
    }
}